-
-
-
-
-
- {displayLibraries.map((library) => (
-
- {library.title}
-
- ))}
-
-
-
+ {draftsGlobalView ? (
+
+ {t("assetPicker.allLibraries")}
+
+ ) : (
+
+
+
+
+
+ {displayLibraries.map((library) => (
+
+ {library.title}
+
+ ))}
+
+
+
+ )}
{selectedLibraryId && (
setAssetTab(value as AssetTab)}
+ onValueChange={(value) =>
+ handleAssetTabChange(value as AssetTab)
+ }
>
@@ -1592,6 +1692,9 @@ export default function AssetPicker() {
{t("brandKitDetail.generated")}
+
+ {t("brandKitDetail.drafts")}
+
{t("brandKitDetail.references")}
@@ -1622,7 +1725,7 @@ export default function AssetPicker() {
)}
- {selectedLibraryId && assetsLoading && (
+ {selectedLibraryId && listLoading && (
{Array.from({ length: 8 }).map((_, index) => (
)}
- {selectedLibraryId && !assetsLoading && assets.length === 0 && (
+ {selectedLibraryId && !listLoading && assets.length === 0 && (
- {query
- ? t("assetPicker.noMatchingAssets", {
- media: mediaLabelText,
- })
- : t("assetPicker.noAssetsYet", { media: mediaLabelText })}
+ {draftsGlobalView
+ ? query
+ ? t("assetPicker.noMatchingDrafts")
+ : t("assetPicker.noDrafts")
+ : query
+ ? t("assetPicker.noMatchingAssets", {
+ media: mediaLabelText,
+ })
+ : t("assetPicker.noAssetsYet", { media: mediaLabelText })}
)}
diff --git a/templates/clips/public/mediapipe/wasm/vision_wasm_internal.js b/templates/clips/public/mediapipe/wasm/vision_wasm_internal.js
new file mode 100644
index 0000000000..164a241022
--- /dev/null
+++ b/templates/clips/public/mediapipe/wasm/vision_wasm_internal.js
@@ -0,0 +1,8827 @@
+// This code implements the `-sMODULARIZE` settings by taking the generated
+// JS program code (INNER_JS_CODE) and wrapping it in a factory function.
+
+// Single threaded MINIMAL_RUNTIME programs do not need access to
+// document.currentScript, so a simple export declaration is enough.
+var ModuleFactory = (() => {
+ // When MODULARIZE this JS may be executed later,
+ // after document.currentScript is gone, so we save it.
+ // In EXPORT_ES6 mode we can just use 'import.meta.url'.
+ var _scriptName = globalThis.document?.currentScript?.src;
+ return async function(moduleArg = {}) {
+ var moduleRtn;
+
+// include: shell.js
+// include: minimum_runtime_check.js
+// end include: minimum_runtime_check.js
+// The Module object: Our interface to the outside world. We import
+// and export values on it. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(moduleArg) => Promise
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to check if Module already exists (e.g. case 3 above).
+// Substitution will be replaced with actual code on later stage of the build,
+// this way Closure Compiler will not mangle it (e.g. case 4. above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module = moduleArg;
+
+// Determine the runtime environment we are in. You can customize this by
+// setting the ENVIRONMENT setting at compile time (see settings.js).
+// Attempt to auto-detect the environment
+var ENVIRONMENT_IS_WEB = !!globalThis.window;
+
+var ENVIRONMENT_IS_WORKER = !!globalThis.WorkerGlobalScope;
+
+// N.b. Electron.js environment is simultaneously a NODE-environment, but
+// also a web environment.
+var ENVIRONMENT_IS_NODE = globalThis.process?.versions?.node && globalThis.process?.type != "renderer";
+
+// --pre-jses are emitted after the Module integration code, so that they can
+// refer to Module (if they choose; they can also define Module)
+var arguments_ = [];
+
+var thisProgram = "./this.program";
+
+var quit_ = (status, toThrow) => {
+ throw toThrow;
+};
+
+if (typeof __filename != "undefined") {
+ // Node
+ _scriptName = __filename;
+} else if (ENVIRONMENT_IS_WORKER) {
+ _scriptName = self.location.href;
+}
+
+// `/` should be present at the end if `scriptDirectory` is not empty
+var scriptDirectory = "";
+
+function locateFile(path) {
+ if (Module["locateFile"]) {
+ return Module["locateFile"](path, scriptDirectory);
+ }
+ return scriptDirectory + path;
+}
+
+// Hooks that are implemented differently in different runtime environments.
+var readAsync, readBinary;
+
+if (ENVIRONMENT_IS_NODE) {
+ // These modules will usually be used on Node.js. Load them eagerly to avoid
+ // the complexity of lazy-loading.
+ var fs = require("node:fs");
+ scriptDirectory = __dirname + "/";
+ // include: node_shell_read.js
+ readBinary = filename => {
+ // We need to re-wrap `file://` strings to URLs.
+ filename = isFileURI(filename) ? new URL(filename) : filename;
+ var ret = fs.readFileSync(filename);
+ return ret;
+ };
+ readAsync = async (filename, binary = true) => {
+ // See the comment in the `readBinary` function.
+ filename = isFileURI(filename) ? new URL(filename) : filename;
+ var ret = fs.readFileSync(filename, binary ? undefined : "utf8");
+ return ret;
+ };
+ // end include: node_shell_read.js
+ if (process.argv.length > 1) {
+ thisProgram = process.argv[1].replace(/\\/g, "/");
+ }
+ arguments_ = process.argv.slice(2);
+ quit_ = (status, toThrow) => {
+ process.exitCode = status;
+ throw toThrow;
+ };
+} else // Note that this includes Node.js workers when relevant (pthreads is enabled).
+// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
+// ENVIRONMENT_IS_NODE.
+if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+ try {
+ scriptDirectory = new URL(".", _scriptName).href;
+ } catch {}
+ {
+ // include: web_or_worker_shell_read.js
+ if (ENVIRONMENT_IS_WORKER) {
+ readBinary = url => {
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, false);
+ xhr.responseType = "arraybuffer";
+ xhr.send(null);
+ return new Uint8Array(/** @type{!ArrayBuffer} */ (xhr.response));
+ };
+ }
+ readAsync = async url => {
+ // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
+ // See https://github.com/github/fetch/pull/92#issuecomment-140665932
+ // Cordova or Electron apps are typically loaded from a file:// url.
+ // So use XHR on webview if URL is a file URL.
+ if (isFileURI(url)) {
+ return new Promise((resolve, reject) => {
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, true);
+ xhr.responseType = "arraybuffer";
+ xhr.onload = () => {
+ if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) {
+ // file URLs can return 0
+ resolve(xhr.response);
+ return;
+ }
+ reject(xhr.status);
+ };
+ xhr.onerror = reject;
+ xhr.send(null);
+ });
+ }
+ var response = await fetch(url, {
+ credentials: "same-origin"
+ });
+ if (response.ok) {
+ return response.arrayBuffer();
+ }
+ throw new Error(response.status + " : " + response.url);
+ };
+ }
+} else {}
+
+var out = console.log.bind(console);
+
+var err = console.error.bind(console);
+
+// end include: shell.js
+// include: preamble.js
+// === Preamble library stuff ===
+// Documentation for the public APIs defined in this file must be updated in:
+// site/source/docs/api_reference/preamble.js.rst
+// A prebuilt local version of the documentation is available at:
+// site/build/text/docs/api_reference/preamble.js.txt
+// You can also build docs locally as HTML or other formats in site/
+// An online HTML version (which may be of a different version of Emscripten)
+// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
+var wasmBinary;
+
+// Wasm globals
+//========================================
+// Runtime essentials
+//========================================
+// whether we are quitting the application. no code should run after this.
+// set in exit() and abort()
+var ABORT = false;
+
+// set by exit() and abort(). Passed to 'onExit' handler.
+// NOTE: This is also used as the process return code in shell environments
+// but only when noExitRuntime is false.
+var EXITSTATUS;
+
+// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
+// don't define it at all in release modes. This matches the behaviour of
+// MINIMAL_RUNTIME.
+// TODO(sbc): Make this the default even without STRICT enabled.
+/** @type {function(*, string=)} */ function assert(condition, text) {
+ if (!condition) {
+ // This build was created without ASSERTIONS defined. `assert()` should not
+ // ever be called in this configuration but in case there are callers in
+ // the wild leave this simple abort() implementation here for now.
+ abort(text);
+ }
+}
+
+/**
+ * Indicates whether filename is delivered via file protocol (as opposed to http/https)
+ * @noinline
+ */ var isFileURI = filename => filename.startsWith("file://");
+
+// include: runtime_common.js
+// include: runtime_stack_check.js
+// end include: runtime_stack_check.js
+// include: runtime_exceptions.js
+// Base Emscripten EH error class
+class EmscriptenEH {}
+
+class EmscriptenSjLj extends EmscriptenEH {}
+
+// end include: runtime_exceptions.js
+// include: runtime_debug.js
+// end include: runtime_debug.js
+var readyPromiseResolve, readyPromiseReject;
+
+// Memory management
+var runtimeInitialized = false;
+
+function updateMemoryViews() {
+ var b = wasmMemory.buffer;
+ HEAP8 = new Int8Array(b);
+ HEAP16 = new Int16Array(b);
+ Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
+ HEAPU16 = new Uint16Array(b);
+ HEAP32 = new Int32Array(b);
+ Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
+ Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
+ Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
+}
+
+// include: memoryprofiler.js
+// end include: memoryprofiler.js
+// end include: runtime_common.js
+function preRun() {
+ if (Module["preRun"]) {
+ if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
+ while (Module["preRun"].length) {
+ addOnPreRun(Module["preRun"].shift());
+ }
+ }
+ // Begin ATPRERUNS hooks
+ callRuntimeCallbacks(onPreRuns);
+}
+
+function initRuntime() {
+ runtimeInitialized = true;
+ // Begin ATINITS hooks
+ if (!Module["noFSInit"] && !FS.initialized) FS.init();
+ TTY.init();
+ // End ATINITS hooks
+ wasmExports["jd"]();
+ // Begin ATPOSTCTORS hooks
+ FS.ignorePermissions = false;
+}
+
+function postRun() {
+ // PThreads reuse the runtime from the main thread.
+ if (Module["postRun"]) {
+ if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
+ while (Module["postRun"].length) {
+ addOnPostRun(Module["postRun"].shift());
+ }
+ }
+ // Begin ATPOSTRUNS hooks
+ callRuntimeCallbacks(onPostRuns);
+}
+
+/**
+ * @param {string|number=} what
+ */ function abort(what) {
+ Module["onAbort"]?.(what);
+ what = `Aborted(${what})`;
+ // TODO(sbc): Should we remove printing and leave it up to whoever
+ // catches the exception?
+ err(what);
+ ABORT = true;
+ what += ". Build with -sASSERTIONS for more info.";
+ // Use a wasm runtime error, because a JS error might be seen as a foreign
+ // exception, which means we'd run destructors on it. We need the error to
+ // simply make the program stop.
+ // FIXME This approach does not work in Wasm EH because it currently does not assume
+ // all RuntimeErrors are from traps; it decides whether a RuntimeError is from
+ // a trap or not based on a hidden field within the object. So at the moment
+ // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
+ // allows this in the wasm spec.
+ // Suppress closure compiler warning here. Closure compiler's builtin extern
+ // definition for WebAssembly.RuntimeError claims it takes no arguments even
+ // though it can.
+ // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
+ /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
+ readyPromiseReject?.(e);
+ // Throw the error whether or not MODULARIZE is set because abort is used
+ // in code paths apart from instantiation where an exception is expected
+ // to be thrown when abort is called.
+ throw e;
+}
+
+var wasmBinaryFile;
+
+function findWasmBinary() {
+ return locateFile("vision_wasm_internal.wasm");
+}
+
+function getBinarySync(file) {
+ if (file == wasmBinaryFile && wasmBinary) {
+ return new Uint8Array(wasmBinary);
+ }
+ if (readBinary) {
+ return readBinary(file);
+ }
+ // Throwing a plain string here, even though it not normally advisable since
+ // this gets turning into an `abort` in instantiateArrayBuffer.
+ throw "both async and sync fetching of the wasm failed";
+}
+
+async function getWasmBinary(binaryFile) {
+ // If we don't have the binary yet, load it asynchronously using readAsync.
+ if (!wasmBinary) {
+ // Fetch the binary using readAsync
+ try {
+ var response = await readAsync(binaryFile);
+ return new Uint8Array(response);
+ } catch {}
+ }
+ // Otherwise, getBinarySync should be able to get it synchronously
+ return getBinarySync(binaryFile);
+}
+
+async function instantiateArrayBuffer(binaryFile, imports) {
+ try {
+ var binary = await getWasmBinary(binaryFile);
+ var instance = await WebAssembly.instantiate(binary, imports);
+ return instance;
+ } catch (reason) {
+ err(`failed to asynchronously prepare wasm: ${reason}`);
+ abort(reason);
+ }
+}
+
+async function instantiateAsync(binary, binaryFile, imports) {
+ if (!binary && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE) {
+ try {
+ var response = fetch(binaryFile, {
+ credentials: "same-origin"
+ });
+ var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
+ return instantiationResult;
+ } catch (reason) {
+ // We expect the most common failure cause to be a bad MIME type for the binary,
+ // in which case falling back to ArrayBuffer instantiation should work.
+ err(`wasm streaming compile failed: ${reason}`);
+ err("falling back to ArrayBuffer instantiation");
+ }
+ }
+ return instantiateArrayBuffer(binaryFile, imports);
+}
+
+function getWasmImports() {
+ // prepare imports
+ var imports = {
+ "a": wasmImports
+ };
+ return imports;
+}
+
+// Create the wasm instance.
+// Receives the wasm imports, returns the exports.
+async function createWasm() {
+ // Load the wasm module and create an instance of using native support in the JS engine.
+ // handle a generated wasm instance, receiving its exports and
+ // performing other necessary setup
+ /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
+ wasmExports = instance.exports;
+ assignWasmExports(wasmExports);
+ updateMemoryViews();
+ return wasmExports;
+ }
+ // Prefer streaming instantiation if available.
+ function receiveInstantiationResult(result) {
+ // 'result' is a ResultObject object which has both the module and instance.
+ // receiveInstance() will swap in the exports (to Module.asm) so they can be called
+ // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
+ // When the regression is fixed, can restore the above PTHREADS-enabled path.
+ return receiveInstance(result["instance"]);
+ }
+ var info = getWasmImports();
+ // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
+ // to manually instantiate the Wasm module themselves. This allows pages to
+ // run the instantiation parallel to any other async startup actions they are
+ // performing.
+ // Also pthreads and wasm workers initialize the wasm instance through this
+ // path.
+ if (Module["instantiateWasm"]) {
+ return new Promise((resolve, reject) => {
+ Module["instantiateWasm"](info, (inst, mod) => {
+ resolve(receiveInstance(inst, mod));
+ });
+ });
+ }
+ wasmBinaryFile ??= findWasmBinary();
+ var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
+ var exports = receiveInstantiationResult(result);
+ return exports;
+}
+
+// Globals used by JS i64 conversions (see makeSetValue)
+var tempDouble;
+
+var tempI64;
+
+// end include: preamble.js
+// Begin JS library code
+var handleException = e => {
+ // Certain exception types we do not treat as errors since they are used for
+ // internal control flow.
+ // 1. ExitStatus, which is thrown by exit()
+ // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
+ // that wish to return to JS event loop.
+ if (e instanceof ExitStatus || e == "unwind") {
+ return EXITSTATUS;
+ }
+ quit_(1, e);
+};
+
+class ExitStatus {
+ name="ExitStatus";
+ constructor(status) {
+ this.message = `Program terminated with exit(${status})`;
+ this.status = status;
+ }
+}
+
+var runtimeKeepaliveCounter = 0;
+
+var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
+
+var _proc_exit = code => {
+ EXITSTATUS = code;
+ if (!keepRuntimeAlive()) {
+ Module["onExit"]?.(code);
+ ABORT = true;
+ }
+ quit_(code, new ExitStatus(code));
+};
+
+/** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
+ EXITSTATUS = status;
+ _proc_exit(status);
+};
+
+var _exit = exitJS;
+
+var maybeExit = () => {
+ if (!keepRuntimeAlive()) {
+ try {
+ _exit(EXITSTATUS);
+ } catch (e) {
+ handleException(e);
+ }
+ }
+};
+
+var callUserCallback = func => {
+ if (ABORT) {
+ return;
+ }
+ try {
+ return func();
+ } catch (e) {
+ handleException(e);
+ } finally {
+ maybeExit();
+ }
+};
+
+function getFullscreenElement() {
+ return document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.webkitCurrentFullScreenElement || document.msFullscreenElement;
+}
+
+/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => setTimeout(() => {
+ callUserCallback(func);
+}, timeout);
+
+var warnOnce = text => {
+ warnOnce.shown ||= {};
+ if (!warnOnce.shown[text]) {
+ warnOnce.shown[text] = 1;
+ if (ENVIRONMENT_IS_NODE) text = "warning: " + text;
+ err(text);
+ }
+};
+
+var preloadPlugins = [];
+
+var Browser = {
+ useWebGL: false,
+ isFullscreen: false,
+ pointerLock: false,
+ moduleContextCreatedCallbacks: [],
+ workers: [],
+ preloadedImages: {},
+ preloadedAudios: {},
+ getCanvas: () => Module["canvas"],
+ init() {
+ if (Browser.initted) return;
+ Browser.initted = true;
+ // Support for plugins that can process preloaded files. You can add more of these to
+ // your app by creating and appending to preloadPlugins.
+ // Each plugin is asked if it can handle a file based on the file's name. If it can,
+ // it is given the file's raw data. When it is done, it calls a callback with the file's
+ // (possibly modified) data. For example, a plugin might decompress a file, or it
+ // might create some side data structure for use later (like an Image element, etc.).
+ var imagePlugin = {};
+ imagePlugin["canHandle"] = name => !Module["noImageDecoding"] && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
+ imagePlugin["handle"] = async (byteArray, name) => {
+ var b = new Blob([ byteArray ], {
+ type: Browser.getMimetype(name)
+ });
+ if (b.size !== byteArray.length) {
+ // Safari bug #118630
+ // Safari's Blob can only take an ArrayBuffer
+ b = new Blob([ (new Uint8Array(byteArray)).buffer ], {
+ type: Browser.getMimetype(name)
+ });
+ }
+ var url = URL.createObjectURL(b);
+ return new Promise((resolve, reject) => {
+ var img = new Image;
+ img.onload = () => {
+ var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement("canvas"));
+ canvas.width = img.width;
+ canvas.height = img.height;
+ var ctx = canvas.getContext("2d");
+ ctx.drawImage(img, 0, 0);
+ Browser.preloadedImages[name] = canvas;
+ URL.revokeObjectURL(url);
+ resolve(byteArray);
+ };
+ img.onerror = event => {
+ err(`Image ${url} could not be decoded`);
+ reject();
+ };
+ img.src = url;
+ });
+ };
+ preloadPlugins.push(imagePlugin);
+ var audioPlugin = {};
+ audioPlugin["canHandle"] = name => !Module["noAudioDecoding"] && name.slice(-4) in {
+ ".ogg": 1,
+ ".wav": 1,
+ ".mp3": 1
+ };
+ audioPlugin["handle"] = async (byteArray, name) => new Promise((resolve, reject) => {
+ var done = false;
+ function finish(audio) {
+ if (done) return;
+ done = true;
+ Browser.preloadedAudios[name] = audio;
+ resolve(byteArray);
+ }
+ var b = new Blob([ byteArray ], {
+ type: Browser.getMimetype(name)
+ });
+ var url = URL.createObjectURL(b);
+ // XXX we never revoke this!
+ var audio = new Audio;
+ audio.addEventListener("canplaythrough", () => finish(audio), false);
+ // use addEventListener due to chromium bug 124926
+ audio.onerror = event => {
+ if (done) return;
+ err(`warning: browser could not fully decode audio ${name}, trying slower base64 approach`);
+ function encode64(data) {
+ var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+ var PAD = "=";
+ var ret = "";
+ var leftchar = 0;
+ var leftbits = 0;
+ for (var i = 0; i < data.length; i++) {
+ leftchar = (leftchar << 8) | data[i];
+ leftbits += 8;
+ while (leftbits >= 6) {
+ var curr = (leftchar >> (leftbits - 6)) & 63;
+ leftbits -= 6;
+ ret += BASE[curr];
+ }
+ }
+ if (leftbits == 2) {
+ ret += BASE[(leftchar & 3) << 4];
+ ret += PAD + PAD;
+ } else if (leftbits == 4) {
+ ret += BASE[(leftchar & 15) << 2];
+ ret += PAD;
+ }
+ return ret;
+ }
+ audio.src = "data:audio/x-" + name.slice(-3) + ";base64," + encode64(byteArray);
+ finish(audio);
+ };
+ audio.src = url;
+ // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
+ safeSetTimeout(() => {
+ finish(audio);
+ }, 1e4);
+ });
+ preloadPlugins.push(audioPlugin);
+ // Canvas event setup
+ function pointerLockChange() {
+ var canvas = Browser.getCanvas();
+ Browser.pointerLock = document.pointerLockElement === canvas;
+ }
+ var canvas = Browser.getCanvas();
+ if (canvas) {
+ // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
+ // Module['forcedAspectRatio'] = 4 / 3;
+ document.addEventListener("pointerlockchange", pointerLockChange, false);
+ if (Module["elementPointerLock"]) {
+ canvas.addEventListener("click", ev => {
+ if (!Browser.pointerLock && Browser.getCanvas().requestPointerLock) {
+ Browser.getCanvas().requestPointerLock();
+ ev.preventDefault();
+ }
+ }, false);
+ }
+ }
+ },
+ createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
+ if (useWebGL && Module["ctx"] && canvas == Browser.getCanvas()) return Module["ctx"];
+ // no need to recreate GL context if it's already been created for this canvas.
+ var ctx;
+ var contextHandle;
+ if (useWebGL) {
+ // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
+ var contextAttributes = {
+ antialias: false,
+ alpha: false,
+ majorVersion: (typeof WebGL2RenderingContext != "undefined") ? 2 : 1
+ };
+ if (webGLContextAttributes) {
+ for (var attribute in webGLContextAttributes) {
+ contextAttributes[attribute] = webGLContextAttributes[attribute];
+ }
+ }
+ // This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
+ // actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
+ // Browser.createContext() should not even be emitted.
+ if (typeof GL != "undefined") {
+ contextHandle = GL.createContext(canvas, contextAttributes);
+ if (contextHandle) {
+ ctx = GL.getContext(contextHandle).GLctx;
+ }
+ }
+ } else {
+ ctx = canvas.getContext("2d");
+ }
+ if (!ctx) return null;
+ if (setInModule) {
+ Module["ctx"] = ctx;
+ if (useWebGL) GL.makeContextCurrent(contextHandle);
+ Browser.useWebGL = useWebGL;
+ Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
+ Browser.init();
+ }
+ return ctx;
+ },
+ fullscreenHandlersInstalled: false,
+ lockPointer: undefined,
+ resizeCanvas: undefined,
+ requestFullscreen(lockPointer, resizeCanvas) {
+ Browser.lockPointer = lockPointer;
+ Browser.resizeCanvas = resizeCanvas;
+ if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
+ if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
+ var canvas = Browser.getCanvas();
+ function fullscreenChange() {
+ Browser.isFullscreen = false;
+ var canvasContainer = canvas.parentNode;
+ if (getFullscreenElement() === canvasContainer) {
+ canvas.exitFullscreen = Browser.exitFullscreen;
+ if (Browser.lockPointer) canvas.requestPointerLock();
+ Browser.isFullscreen = true;
+ if (Browser.resizeCanvas) {
+ Browser.setFullscreenCanvasSize();
+ } else {
+ Browser.updateCanvasDimensions(canvas);
+ }
+ } else {
+ // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
+ canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
+ canvasContainer.parentNode.removeChild(canvasContainer);
+ if (Browser.resizeCanvas) {
+ Browser.setWindowedCanvasSize();
+ } else {
+ Browser.updateCanvasDimensions(canvas);
+ }
+ }
+ Module["onFullScreen"]?.(Browser.isFullscreen);
+ Module["onFullscreen"]?.(Browser.isFullscreen);
+ }
+ if (!Browser.fullscreenHandlersInstalled) {
+ Browser.fullscreenHandlersInstalled = true;
+ document.addEventListener("fullscreenchange", fullscreenChange, false);
+ document.addEventListener("mozfullscreenchange", fullscreenChange, false);
+ document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
+ document.addEventListener("MSFullscreenChange", fullscreenChange, false);
+ }
+ // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
+ var canvasContainer = document.createElement("div");
+ canvas.parentNode.insertBefore(canvasContainer, canvas);
+ canvasContainer.appendChild(canvas);
+ // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
+ canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
+ canvasContainer.requestFullscreen();
+ },
+ exitFullscreen() {
+ // This is workaround for chrome. Trying to exit from fullscreen
+ // not in fullscreen state will cause "TypeError: Document not active"
+ // in chrome. See https://github.com/emscripten-core/emscripten/pull/8236
+ if (!Browser.isFullscreen) {
+ return false;
+ }
+ var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || (() => {});
+ CFS.apply(document, []);
+ return true;
+ },
+ safeSetTimeout(func, timeout) {
+ // Legacy function, this is used by the SDL2 port so we need to keep it
+ // around at least until that is updated.
+ // See https://github.com/libsdl-org/SDL/pull/6304
+ return safeSetTimeout(func, timeout);
+ },
+ getMimetype(name) {
+ return {
+ "jpg": "image/jpeg",
+ "jpeg": "image/jpeg",
+ "png": "image/png",
+ "bmp": "image/bmp",
+ "ogg": "audio/ogg",
+ "wav": "audio/wav",
+ "mp3": "audio/mpeg"
+ }[name.slice(name.lastIndexOf(".") + 1)];
+ },
+ getUserMedia(func) {
+ window.getUserMedia ||= navigator["getUserMedia"] || navigator["mozGetUserMedia"];
+ window.getUserMedia(func);
+ },
+ getMovementX(event) {
+ return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
+ },
+ getMovementY(event) {
+ return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
+ },
+ getMouseWheelDelta(event) {
+ var delta = 0;
+ switch (event.type) {
+ case "DOMMouseScroll":
+ // 3 lines make up a step
+ delta = event.detail / 3;
+ break;
+
+ case "mousewheel":
+ // 120 units make up a step
+ delta = event.wheelDelta / 120;
+ break;
+
+ case "wheel":
+ delta = event.deltaY;
+ switch (event.deltaMode) {
+ case 0:
+ // DOM_DELTA_PIXEL: 100 pixels make up a step
+ delta /= 100;
+ break;
+
+ case 1:
+ // DOM_DELTA_LINE: 3 lines make up a step
+ delta /= 3;
+ break;
+
+ case 2:
+ // DOM_DELTA_PAGE: A page makes up 80 steps
+ delta *= 80;
+ break;
+
+ default:
+ abort("unrecognized mouse wheel delta mode: " + event.deltaMode);
+ }
+ break;
+
+ default:
+ abort("unrecognized mouse wheel event: " + event.type);
+ }
+ return delta;
+ },
+ mouseX: 0,
+ mouseY: 0,
+ mouseMovementX: 0,
+ mouseMovementY: 0,
+ touches: {},
+ lastTouches: {},
+ calculateMouseCoords(pageX, pageY) {
+ // Calculate the movement based on the changes
+ // in the coordinates.
+ var canvas = Browser.getCanvas();
+ var rect = canvas.getBoundingClientRect();
+ // Neither .scrollX or .pageXOffset are defined in a spec, but
+ // we prefer .scrollX because it is currently in a spec draft.
+ // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
+ var scrollX = ((typeof window.scrollX != "undefined") ? window.scrollX : window.pageXOffset);
+ var scrollY = ((typeof window.scrollY != "undefined") ? window.scrollY : window.pageYOffset);
+ var adjustedX = pageX - (scrollX + rect.left);
+ var adjustedY = pageY - (scrollY + rect.top);
+ // the canvas might be CSS-scaled compared to its backbuffer;
+ // SDL-using content will want mouse coordinates in terms
+ // of backbuffer units.
+ adjustedX = adjustedX * (canvas.width / rect.width);
+ adjustedY = adjustedY * (canvas.height / rect.height);
+ return {
+ x: adjustedX,
+ y: adjustedY
+ };
+ },
+ setMouseCoords(pageX, pageY) {
+ const {x, y} = Browser.calculateMouseCoords(pageX, pageY);
+ Browser.mouseMovementX = x - Browser.mouseX;
+ Browser.mouseMovementY = y - Browser.mouseY;
+ Browser.mouseX = x;
+ Browser.mouseY = y;
+ },
+ calculateMouseEvent(event) {
+ // event should be mousemove, mousedown or mouseup
+ if (Browser.pointerLock) {
+ // When the pointer is locked, calculate the coordinates
+ // based on the movement of the mouse.
+ // Workaround for Firefox bug 764498
+ if (event.type != "mousemove" && ("mozMovementX" in event)) {
+ Browser.mouseMovementX = Browser.mouseMovementY = 0;
+ } else {
+ Browser.mouseMovementX = Browser.getMovementX(event);
+ Browser.mouseMovementY = Browser.getMovementY(event);
+ }
+ // add the mouse delta to the current absolute mouse position
+ Browser.mouseX += Browser.mouseMovementX;
+ Browser.mouseY += Browser.mouseMovementY;
+ } else {
+ if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
+ var touch = event.touch;
+ if (touch === undefined) {
+ return;
+ }
+ var coords = Browser.calculateMouseCoords(touch.pageX, touch.pageY);
+ if (event.type === "touchstart") {
+ Browser.lastTouches[touch.identifier] = coords;
+ Browser.touches[touch.identifier] = coords;
+ } else if (event.type === "touchend" || event.type === "touchmove") {
+ var last = Browser.touches[touch.identifier];
+ last ||= coords;
+ Browser.lastTouches[touch.identifier] = last;
+ Browser.touches[touch.identifier] = coords;
+ }
+ return;
+ }
+ Browser.setMouseCoords(event.pageX, event.pageY);
+ }
+ },
+ resizeListeners: [],
+ updateResizeListeners() {
+ var canvas = Browser.getCanvas();
+ Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
+ },
+ setCanvasSize(width, height, noUpdates) {
+ var canvas = Browser.getCanvas();
+ Browser.updateCanvasDimensions(canvas, width, height);
+ if (!noUpdates) Browser.updateResizeListeners();
+ },
+ windowedWidth: 0,
+ windowedHeight: 0,
+ setFullscreenCanvasSize() {
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen) >> 2)];
+ flags = flags | 8388608;
+ // set SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen) >> 2)] = flags;
+ }
+ Browser.updateCanvasDimensions(Browser.getCanvas());
+ Browser.updateResizeListeners();
+ },
+ setWindowedCanvasSize() {
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen) >> 2)];
+ flags = flags & ~8388608;
+ // clear SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen) >> 2)] = flags;
+ }
+ Browser.updateCanvasDimensions(Browser.getCanvas());
+ Browser.updateResizeListeners();
+ },
+ updateCanvasDimensions(canvas, wNative, hNative) {
+ if (wNative && hNative) {
+ canvas.widthNative = wNative;
+ canvas.heightNative = hNative;
+ } else {
+ wNative = canvas.widthNative;
+ hNative = canvas.heightNative;
+ }
+ var w = wNative;
+ var h = hNative;
+ if (Module["forcedAspectRatio"] > 0) {
+ if (w / h < Module["forcedAspectRatio"]) {
+ w = Math.round(h * Module["forcedAspectRatio"]);
+ } else {
+ h = Math.round(w / Module["forcedAspectRatio"]);
+ }
+ }
+ if ((getFullscreenElement() === canvas.parentNode) && (typeof screen != "undefined")) {
+ var factor = Math.min(screen.width / w, screen.height / h);
+ w = Math.round(w * factor);
+ h = Math.round(h * factor);
+ }
+ if (Browser.resizeCanvas) {
+ if (canvas.width != w) canvas.width = w;
+ if (canvas.height != h) canvas.height = h;
+ if (typeof canvas.style != "undefined") {
+ canvas.style.removeProperty("width");
+ canvas.style.removeProperty("height");
+ }
+ } else {
+ if (canvas.width != wNative) canvas.width = wNative;
+ if (canvas.height != hNative) canvas.height = hNative;
+ if (typeof canvas.style != "undefined") {
+ if (w != wNative || h != hNative) {
+ canvas.style.setProperty("width", w + "px", "important");
+ canvas.style.setProperty("height", h + "px", "important");
+ } else {
+ canvas.style.removeProperty("width");
+ canvas.style.removeProperty("height");
+ }
+ }
+ }
+ }
+};
+
+/** @type {!Int16Array} */ var HEAP16;
+
+/** @type {!Int32Array} */ var HEAP32;
+
+/** @type {!Int8Array} */ var HEAP8;
+
+/** @type {!Float32Array} */ var HEAPF32;
+
+/** @type {!Float64Array} */ var HEAPF64;
+
+/** @type {!Uint16Array} */ var HEAPU16;
+
+/** @type {!Uint32Array} */ var HEAPU32;
+
+/** @type {!Uint8Array} */ var HEAPU8;
+
+var callRuntimeCallbacks = callbacks => {
+ while (callbacks.length > 0) {
+ // Pass the module as the first argument.
+ callbacks.shift()(Module);
+ }
+};
+
+var onPostRuns = [];
+
+var addOnPostRun = cb => onPostRuns.push(cb);
+
+var onPreRuns = [];
+
+var addOnPreRun = cb => onPreRuns.push(cb);
+
+var noExitRuntime = true;
+
+var stackRestore = val => __emscripten_stack_restore(val);
+
+var stackSave = () => _emscripten_stack_get_current();
+
+class ExceptionInfo {
+ // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it.
+ constructor(excPtr) {
+ this.excPtr = excPtr;
+ this.ptr = excPtr - 24;
+ }
+ set_type(type) {
+ HEAPU32[(((this.ptr) + (4)) >> 2)] = type;
+ }
+ get_type() {
+ return HEAPU32[(((this.ptr) + (4)) >> 2)];
+ }
+ set_destructor(destructor) {
+ HEAPU32[(((this.ptr) + (8)) >> 2)] = destructor;
+ }
+ get_destructor() {
+ return HEAPU32[(((this.ptr) + (8)) >> 2)];
+ }
+ set_caught(caught) {
+ caught = caught ? 1 : 0;
+ HEAP8[(this.ptr) + (12)] = caught;
+ }
+ get_caught() {
+ return HEAP8[(this.ptr) + (12)] != 0;
+ }
+ set_rethrown(rethrown) {
+ rethrown = rethrown ? 1 : 0;
+ HEAP8[(this.ptr) + (13)] = rethrown;
+ }
+ get_rethrown() {
+ return HEAP8[(this.ptr) + (13)] != 0;
+ }
+ // Initialize native structure fields. Should be called once after allocated.
+ init(type, destructor) {
+ this.set_adjusted_ptr(0);
+ this.set_type(type);
+ this.set_destructor(destructor);
+ }
+ set_adjusted_ptr(adjustedPtr) {
+ HEAPU32[(((this.ptr) + (16)) >> 2)] = adjustedPtr;
+ }
+ get_adjusted_ptr() {
+ return HEAPU32[(((this.ptr) + (16)) >> 2)];
+ }
+}
+
+var uncaughtExceptionCount = 0;
+
+var ___cxa_throw = (ptr, type, destructor) => {
+ var info = new ExceptionInfo(ptr);
+ // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
+ info.init(type, destructor);
+ uncaughtExceptionCount++;
+ abort();
+};
+
+var PATH = {
+ isAbs: path => path.charAt(0) === "/",
+ splitPath: filename => {
+ var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+ return splitPathRe.exec(filename).slice(1);
+ },
+ normalizeArray: (parts, allowAboveRoot) => {
+ // if the path tries to go above the root, `up` ends up > 0
+ var up = 0;
+ for (var i = parts.length - 1; i >= 0; i--) {
+ var last = parts[i];
+ if (last === ".") {
+ parts.splice(i, 1);
+ } else if (last === "..") {
+ parts.splice(i, 1);
+ up++;
+ } else if (up) {
+ parts.splice(i, 1);
+ up--;
+ }
+ }
+ // if the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (;up; up--) {
+ parts.unshift("..");
+ }
+ }
+ return parts;
+ },
+ normalize: path => {
+ var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === "/";
+ // Normalize the path
+ path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
+ if (!path && !isAbsolute) {
+ path = ".";
+ }
+ if (path && trailingSlash) {
+ path += "/";
+ }
+ return (isAbsolute ? "/" : "") + path;
+ },
+ dirname: path => {
+ var result = PATH.splitPath(path), root = result[0], dir = result[1];
+ if (!root && !dir) {
+ // No dirname whatsoever
+ return ".";
+ }
+ if (dir) {
+ // It has a dirname, strip trailing slash
+ dir = dir.slice(0, -1);
+ }
+ return root + dir;
+ },
+ basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1],
+ join: (...paths) => PATH.normalize(paths.join("/")),
+ join2: (l, r) => PATH.normalize(l + "/" + r)
+};
+
+var initRandomFill = () => {
+ // This block is not needed on v19+ since crypto.getRandomValues is builtin
+ if (ENVIRONMENT_IS_NODE) {
+ var nodeCrypto = require("node:crypto");
+ return view => nodeCrypto.randomFillSync(view);
+ }
+ return view => (crypto.getRandomValues(view), 0);
+};
+
+var randomFill = view => (randomFill = initRandomFill())(view);
+
+var PATH_FS = {
+ resolve: (...args) => {
+ var resolvedPath = "", resolvedAbsolute = false;
+ for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = (i >= 0) ? args[i] : FS.cwd();
+ // Skip empty and invalid entries
+ if (typeof path != "string") {
+ throw new TypeError("Arguments to path.resolve must be strings");
+ } else if (!path) {
+ return "";
+ }
+ resolvedPath = path + "/" + resolvedPath;
+ resolvedAbsolute = PATH.isAbs(path);
+ }
+ // At this point the path should be resolved to a full absolute path, but
+ // handle relative paths to be safe (might happen when process.cwd() fails)
+ resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
+ return ((resolvedAbsolute ? "/" : "") + resolvedPath) || ".";
+ },
+ relative: (from, to) => {
+ from = PATH_FS.resolve(from).slice(1);
+ to = PATH_FS.resolve(to).slice(1);
+ function trim(arr) {
+ var start = 0;
+ for (;start < arr.length; start++) {
+ if (arr[start] !== "") break;
+ }
+ var end = arr.length - 1;
+ for (;end >= 0; end--) {
+ if (arr[end] !== "") break;
+ }
+ if (start > end) return [];
+ return arr.slice(start, end - start + 1);
+ }
+ var fromParts = trim(from.split("/"));
+ var toParts = trim(to.split("/"));
+ var length = Math.min(fromParts.length, toParts.length);
+ var samePartsLength = length;
+ for (var i = 0; i < length; i++) {
+ if (fromParts[i] !== toParts[i]) {
+ samePartsLength = i;
+ break;
+ }
+ }
+ var outputParts = [];
+ for (var i = samePartsLength; i < fromParts.length; i++) {
+ outputParts.push("..");
+ }
+ outputParts = outputParts.concat(toParts.slice(samePartsLength));
+ return outputParts.join("/");
+ }
+};
+
+var UTF8Decoder = new TextDecoder;
+
+var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
+ var maxIdx = idx + maxBytesToRead;
+ if (ignoreNul) return maxIdx;
+ // TextDecoder needs to know the byte length in advance, it doesn't stop on
+ // null terminator by itself.
+ // As a tiny code save trick, compare idx against maxIdx using a negation,
+ // so that maxBytesToRead=undefined/NaN means Infinity.
+ while (heapOrArray[idx] && !(idx >= maxIdx)) ++idx;
+ return idx;
+};
+
+/**
+ * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
+ * array that contains uint8 values, returns a copy of that string as a
+ * Javascript String object.
+ * heapOrArray is either a regular array, or a JavaScript typed array view.
+ * @param {number=} idx
+ * @param {number=} maxBytesToRead
+ * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
+ * @return {string}
+ */ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead, ignoreNul) => {
+ var endPtr = findStringEnd(heapOrArray, idx, maxBytesToRead, ignoreNul);
+ return UTF8Decoder.decode(heapOrArray.buffer ? heapOrArray.subarray(idx, endPtr) : new Uint8Array(heapOrArray.slice(idx, endPtr)));
+};
+
+var FS_stdin_getChar_buffer = [];
+
+var lengthBytesUTF8 = str => {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+ // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
+ // unit, not a Unicode code point of the character! So decode
+ // UTF16->UTF32->UTF8.
+ // See http://unicode.org/faq/utf_bom.html#utf16-3
+ var c = str.charCodeAt(i);
+ // possibly a lead surrogate
+ if (c <= 127) {
+ len++;
+ } else if (c <= 2047) {
+ len += 2;
+ } else if (c >= 55296 && c <= 57343) {
+ len += 4;
+ ++i;
+ } else {
+ len += 3;
+ }
+ }
+ return len;
+};
+
+var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
+ // Parameter maxBytesToWrite is not optional. Negative values, 0, null,
+ // undefined and false each don't write out any bytes.
+ if (!(maxBytesToWrite > 0)) return 0;
+ var startIdx = outIdx;
+ var endIdx = outIdx + maxBytesToWrite - 1;
+ // -1 for string null terminator.
+ for (var i = 0; i < str.length; ++i) {
+ // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
+ // and https://www.ietf.org/rfc/rfc2279.txt
+ // and https://tools.ietf.org/html/rfc3629
+ var u = str.codePointAt(i);
+ if (u <= 127) {
+ if (outIdx >= endIdx) break;
+ heap[outIdx++] = u;
+ } else if (u <= 2047) {
+ if (outIdx + 1 >= endIdx) break;
+ heap[outIdx++] = 192 | (u >> 6);
+ heap[outIdx++] = 128 | (u & 63);
+ } else if (u <= 65535) {
+ if (outIdx + 2 >= endIdx) break;
+ heap[outIdx++] = 224 | (u >> 12);
+ heap[outIdx++] = 128 | ((u >> 6) & 63);
+ heap[outIdx++] = 128 | (u & 63);
+ } else {
+ if (outIdx + 3 >= endIdx) break;
+ heap[outIdx++] = 240 | (u >> 18);
+ heap[outIdx++] = 128 | ((u >> 12) & 63);
+ heap[outIdx++] = 128 | ((u >> 6) & 63);
+ heap[outIdx++] = 128 | (u & 63);
+ // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
+ // We need to manually skip over the second code unit for correct iteration.
+ i++;
+ }
+ }
+ // Null-terminate the pointer to the buffer.
+ heap[outIdx] = 0;
+ return outIdx - startIdx;
+};
+
+/** @type {function(string, boolean=, number=)} */ var intArrayFromString = (stringy, dontAddNull, length) => {
+ var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
+ var u8array = new Array(len);
+ var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
+ if (dontAddNull) u8array.length = numBytesWritten;
+ return u8array;
+};
+
+var FS_stdin_getChar = () => {
+ if (!FS_stdin_getChar_buffer.length) {
+ var result = null;
+ if (ENVIRONMENT_IS_NODE) {
+ // we will read data by chunks of BUFSIZE
+ var BUFSIZE = 256;
+ var buf = Buffer.alloc(BUFSIZE);
+ var bytesRead = 0;
+ // For some reason we must suppress a closure warning here, even though
+ // fd definitely exists on process.stdin, and is even the proper way to
+ // get the fd of stdin,
+ // https://github.com/nodejs/help/issues/2136#issuecomment-523649904
+ // This started to happen after moving this logic out of library_tty.js,
+ // so it is related to the surrounding code in some unclear manner.
+ /** @suppress {missingProperties} */ var fd = process.stdin.fd;
+ try {
+ bytesRead = fs.readSync(fd, buf, 0, BUFSIZE);
+ } catch (e) {
+ // Cross-platform differences: on Windows, reading EOF throws an
+ // exception, but on other OSes, reading EOF returns 0. Uniformize
+ // behavior by treating the EOF exception to return 0.
+ if (e.toString().includes("EOF")) bytesRead = 0; else throw e;
+ }
+ if (bytesRead > 0) {
+ result = buf.slice(0, bytesRead).toString("utf-8");
+ }
+ } else if (globalThis.window?.prompt) {
+ // Browser.
+ result = window.prompt("Input: ");
+ // returns null on cancel
+ if (result !== null) {
+ result += "\n";
+ }
+ } else {}
+ if (!result) {
+ return null;
+ }
+ FS_stdin_getChar_buffer = intArrayFromString(result, true);
+ }
+ return FS_stdin_getChar_buffer.shift();
+};
+
+var TTY = {
+ ttys: [],
+ init() {},
+ shutdown() {},
+ register(dev, ops) {
+ TTY.ttys[dev] = {
+ input: [],
+ output: [],
+ ops
+ };
+ FS.registerDevice(dev, TTY.stream_ops);
+ },
+ stream_ops: {
+ open(stream) {
+ var tty = TTY.ttys[stream.node.rdev];
+ if (!tty) {
+ throw new FS.ErrnoError(43);
+ }
+ stream.tty = tty;
+ stream.seekable = false;
+ },
+ close(stream) {
+ // flush any pending line data
+ stream.tty.ops.fsync(stream.tty);
+ },
+ fsync(stream) {
+ stream.tty.ops.fsync(stream.tty);
+ },
+ read(stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.get_char) {
+ throw new FS.ErrnoError(60);
+ }
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = stream.tty.ops.get_char(stream.tty);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(6);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset + i] = result;
+ }
+ if (bytesRead) {
+ stream.node.atime = Date.now();
+ }
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.put_char) {
+ throw new FS.ErrnoError(60);
+ }
+ try {
+ for (var i = 0; i < length; i++) {
+ stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
+ }
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (length) {
+ stream.node.mtime = stream.node.ctime = Date.now();
+ }
+ return i;
+ }
+ },
+ default_tty_ops: {
+ get_char(tty) {
+ return FS_stdin_getChar();
+ },
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ out(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ } else {
+ if (val != 0) tty.output.push(val);
+ }
+ },
+ fsync(tty) {
+ if (tty.output?.length > 0) {
+ out(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ }
+ },
+ ioctl_tcgets(tty) {
+ // typical setting
+ return {
+ c_iflag: 25856,
+ c_oflag: 5,
+ c_cflag: 191,
+ c_lflag: 35387,
+ c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
+ };
+ },
+ ioctl_tcsets(tty, optional_actions, data) {
+ // currently just ignore
+ return 0;
+ },
+ ioctl_tiocgwinsz(tty) {
+ return [ 24, 80 ];
+ }
+ },
+ default_tty1_ops: {
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ err(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ } else {
+ if (val != 0) tty.output.push(val);
+ }
+ },
+ fsync(tty) {
+ if (tty.output?.length > 0) {
+ err(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ }
+ }
+ }
+};
+
+var zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size);
+
+var alignMemory = (size, alignment) => Math.ceil(size / alignment) * alignment;
+
+var mmapAlloc = size => {
+ size = alignMemory(size, 65536);
+ var ptr = _emscripten_builtin_memalign(65536, size);
+ if (ptr) zeroMemory(ptr, size);
+ return ptr;
+};
+
+var MEMFS = {
+ ops_table: null,
+ mount(mount) {
+ return MEMFS.createNode(null, "/", 16895, 0);
+ },
+ createNode(parent, name, mode, dev) {
+ if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+ // not supported
+ throw new FS.ErrnoError(63);
+ }
+ MEMFS.ops_table ||= {
+ dir: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr,
+ lookup: MEMFS.node_ops.lookup,
+ mknod: MEMFS.node_ops.mknod,
+ rename: MEMFS.node_ops.rename,
+ unlink: MEMFS.node_ops.unlink,
+ rmdir: MEMFS.node_ops.rmdir,
+ readdir: MEMFS.node_ops.readdir,
+ symlink: MEMFS.node_ops.symlink
+ },
+ stream: {
+ llseek: MEMFS.stream_ops.llseek
+ }
+ },
+ file: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr
+ },
+ stream: {
+ llseek: MEMFS.stream_ops.llseek,
+ read: MEMFS.stream_ops.read,
+ write: MEMFS.stream_ops.write,
+ mmap: MEMFS.stream_ops.mmap,
+ msync: MEMFS.stream_ops.msync
+ }
+ },
+ link: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr,
+ readlink: MEMFS.node_ops.readlink
+ },
+ stream: {}
+ },
+ chrdev: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr
+ },
+ stream: FS.chrdev_stream_ops
+ }
+ };
+ var node = FS.createNode(parent, name, mode, dev);
+ if (FS.isDir(node.mode)) {
+ node.node_ops = MEMFS.ops_table.dir.node;
+ node.stream_ops = MEMFS.ops_table.dir.stream;
+ node.contents = {};
+ } else if (FS.isFile(node.mode)) {
+ node.node_ops = MEMFS.ops_table.file.node;
+ node.stream_ops = MEMFS.ops_table.file.stream;
+ // The actual number of bytes used in the typed array, as opposed to
+ // contents.length which gives the whole capacity.
+ node.usedBytes = 0;
+ // The byte data of the file is stored in a typed array.
+ // Note: typed arrays are not resizable like normal JS arrays are, so
+ // there is a small penalty involved for appending file writes that
+ // continuously grow a file similar to std::vector capacity vs used.
+ node.contents = MEMFS.emptyFileContents ??= new Uint8Array(0);
+ } else if (FS.isLink(node.mode)) {
+ node.node_ops = MEMFS.ops_table.link.node;
+ node.stream_ops = MEMFS.ops_table.link.stream;
+ } else if (FS.isChrdev(node.mode)) {
+ node.node_ops = MEMFS.ops_table.chrdev.node;
+ node.stream_ops = MEMFS.ops_table.chrdev.stream;
+ }
+ node.atime = node.mtime = node.ctime = Date.now();
+ // add the new node to the parent
+ if (parent) {
+ parent.contents[name] = node;
+ parent.atime = parent.mtime = parent.ctime = node.atime;
+ }
+ return node;
+ },
+ getFileDataAsTypedArray(node) {
+ return node.contents.subarray(0, node.usedBytes);
+ },
+ expandFileStorage(node, newCapacity) {
+ var prevCapacity = node.contents.length;
+ if (prevCapacity >= newCapacity) return;
+ // No need to expand, the storage was already large enough.
+ // Don't expand strictly to the given requested limit if it's only a very
+ // small increase, but instead geometrically grow capacity.
+ // For small filesizes (<1MB), perform size*2 geometric increase, but for
+ // large sizes, do a much more conservative size*1.125 increase to avoid
+ // overshooting the allocation cap by a very large margin.
+ var CAPACITY_DOUBLING_MAX = 1024 * 1024;
+ newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0);
+ if (prevCapacity) newCapacity = Math.max(newCapacity, 256);
+ // At minimum allocate 256b for each file when expanding.
+ var oldContents = MEMFS.getFileDataAsTypedArray(node);
+ node.contents = new Uint8Array(newCapacity);
+ // Allocate new storage.
+ node.contents.set(oldContents);
+ },
+ resizeFileStorage(node, newSize) {
+ if (node.usedBytes == newSize) return;
+ var oldContents = node.contents;
+ node.contents = new Uint8Array(newSize);
+ // Allocate new storage.
+ node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
+ // Copy old data over to the new storage.
+ node.usedBytes = newSize;
+ },
+ node_ops: {
+ getattr(node) {
+ var attr = {};
+ // device numbers reuse inode numbers.
+ attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
+ attr.ino = node.id;
+ attr.mode = node.mode;
+ attr.nlink = 1;
+ attr.uid = 0;
+ attr.gid = 0;
+ attr.rdev = node.rdev;
+ if (FS.isDir(node.mode)) {
+ attr.size = 4096;
+ } else if (FS.isFile(node.mode)) {
+ attr.size = node.usedBytes;
+ } else if (FS.isLink(node.mode)) {
+ attr.size = node.link.length;
+ } else {
+ attr.size = 0;
+ }
+ attr.atime = new Date(node.atime);
+ attr.mtime = new Date(node.mtime);
+ attr.ctime = new Date(node.ctime);
+ // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
+ // but this is not required by the standard.
+ attr.blksize = 4096;
+ attr.blocks = Math.ceil(attr.size / attr.blksize);
+ return attr;
+ },
+ setattr(node, attr) {
+ for (const key of [ "mode", "atime", "mtime", "ctime" ]) {
+ if (attr[key] != null) {
+ node[key] = attr[key];
+ }
+ }
+ if (attr.size !== undefined) {
+ MEMFS.resizeFileStorage(node, attr.size);
+ }
+ },
+ lookup(parent, name) {
+ // This error may happen quite a bit. To avoid overhead we reuse it (and
+ // suffer a lack of stack info).
+ if (!MEMFS.doesNotExistError) {
+ MEMFS.doesNotExistError = new FS.ErrnoError(44);
+ /** @suppress {checkTypes} */ MEMFS.doesNotExistError.stack = "";
+ }
+ throw MEMFS.doesNotExistError;
+ },
+ mknod(parent, name, mode, dev) {
+ return MEMFS.createNode(parent, name, mode, dev);
+ },
+ rename(old_node, new_dir, new_name) {
+ var new_node;
+ try {
+ new_node = FS.lookupNode(new_dir, new_name);
+ } catch (e) {}
+ if (new_node) {
+ if (FS.isDir(old_node.mode)) {
+ // if we're overwriting a directory at new_name, make sure it's empty.
+ for (var i in new_node.contents) {
+ throw new FS.ErrnoError(55);
+ }
+ }
+ FS.hashRemoveNode(new_node);
+ }
+ // do the internal rewiring
+ delete old_node.parent.contents[old_node.name];
+ new_dir.contents[new_name] = old_node;
+ old_node.name = new_name;
+ new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now();
+ },
+ unlink(parent, name) {
+ delete parent.contents[name];
+ parent.ctime = parent.mtime = Date.now();
+ },
+ rmdir(parent, name) {
+ var node = FS.lookupNode(parent, name);
+ for (var i in node.contents) {
+ throw new FS.ErrnoError(55);
+ }
+ delete parent.contents[name];
+ parent.ctime = parent.mtime = Date.now();
+ },
+ readdir(node) {
+ return [ ".", "..", ...Object.keys(node.contents) ];
+ },
+ symlink(parent, newname, oldpath) {
+ var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
+ node.link = oldpath;
+ return node;
+ },
+ readlink(node) {
+ if (!FS.isLink(node.mode)) {
+ throw new FS.ErrnoError(28);
+ }
+ return node.link;
+ }
+ },
+ stream_ops: {
+ read(stream, buffer, offset, length, position) {
+ var contents = stream.node.contents;
+ if (position >= stream.node.usedBytes) return 0;
+ var size = Math.min(stream.node.usedBytes - position, length);
+ buffer.set(contents.subarray(position, position + size), offset);
+ return size;
+ },
+ write(stream, buffer, offset, length, position, canOwn) {
+ // If the buffer is located in main memory (HEAP), and if
+ // memory can grow, we can't hold on to references of the
+ // memory buffer, as they may get invalidated. That means we
+ // need to copy its contents.
+ if (buffer.buffer === HEAP8.buffer) {
+ canOwn = false;
+ }
+ if (!length) return 0;
+ var node = stream.node;
+ node.mtime = node.ctime = Date.now();
+ if (canOwn) {
+ node.contents = buffer.subarray(offset, offset + length);
+ node.usedBytes = length;
+ } else if (node.usedBytes === 0 && position === 0) {
+ // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
+ node.contents = buffer.slice(offset, offset + length);
+ node.usedBytes = length;
+ } else {
+ MEMFS.expandFileStorage(node, position + length);
+ // Use typed array write which is available.
+ node.contents.set(buffer.subarray(offset, offset + length), position);
+ node.usedBytes = Math.max(node.usedBytes, position + length);
+ }
+ return length;
+ },
+ llseek(stream, offset, whence) {
+ var position = offset;
+ if (whence === 1) {
+ position += stream.position;
+ } else if (whence === 2) {
+ if (FS.isFile(stream.node.mode)) {
+ position += stream.node.usedBytes;
+ }
+ }
+ if (position < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ return position;
+ },
+ mmap(stream, length, position, prot, flags) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(43);
+ }
+ var ptr;
+ var allocated;
+ var contents = stream.node.contents;
+ // Only make a new copy when MAP_PRIVATE is specified.
+ if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
+ // We can't emulate MAP_SHARED when the file is not backed by the
+ // buffer we're mapping to (e.g. the HEAP buffer).
+ allocated = false;
+ ptr = contents.byteOffset;
+ } else {
+ allocated = true;
+ ptr = mmapAlloc(length);
+ if (!ptr) {
+ throw new FS.ErrnoError(48);
+ }
+ if (contents) {
+ // Try to avoid unnecessary slices.
+ if (position > 0 || position + length < contents.length) {
+ if (contents.subarray) {
+ contents = contents.subarray(position, position + length);
+ } else {
+ contents = Array.prototype.slice.call(contents, position, position + length);
+ }
+ }
+ HEAP8.set(contents, ptr);
+ }
+ }
+ return {
+ ptr,
+ allocated
+ };
+ },
+ msync(stream, buffer, offset, length, mmapFlags) {
+ MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
+ // should we check if bytesWritten and length are the same?
+ return 0;
+ }
+ }
+};
+
+var FS_modeStringToFlags = str => {
+ if (typeof str != "string") return str;
+ var flagModes = {
+ "r": 0,
+ "r+": 2,
+ "w": 512 | 64 | 1,
+ "w+": 512 | 64 | 2,
+ "a": 1024 | 64 | 1,
+ "a+": 1024 | 64 | 2
+ };
+ var flags = flagModes[str];
+ if (typeof flags == "undefined") {
+ throw new Error(`Unknown file open mode: ${str}`);
+ }
+ return flags;
+};
+
+var FS_fileDataToTypedArray = data => {
+ if (typeof data == "string") {
+ data = intArrayFromString(data, true);
+ }
+ if (!data.subarray) {
+ data = new Uint8Array(data);
+ }
+ return data;
+};
+
+var FS_getMode = (canRead, canWrite) => {
+ var mode = 0;
+ if (canRead) mode |= 292 | 73;
+ if (canWrite) mode |= 146;
+ return mode;
+};
+
+var asyncLoad = async url => {
+ var arrayBuffer = await readAsync(url);
+ return new Uint8Array(arrayBuffer);
+};
+
+var FS_createDataFile = (...args) => FS.createDataFile(...args);
+
+var getUniqueRunDependency = id => id;
+
+var runDependencies = 0;
+
+var dependenciesFulfilled = null;
+
+var removeRunDependency = id => {
+ runDependencies--;
+ Module["monitorRunDependencies"]?.(runDependencies);
+ if (runDependencies == 0) {
+ if (dependenciesFulfilled) {
+ var callback = dependenciesFulfilled;
+ dependenciesFulfilled = null;
+ callback();
+ }
+ }
+};
+
+var addRunDependency = id => {
+ runDependencies++;
+ Module["monitorRunDependencies"]?.(runDependencies);
+};
+
+var FS_handledByPreloadPlugin = async (byteArray, fullname) => {
+ // Ensure plugins are ready.
+ if (typeof Browser != "undefined") Browser.init();
+ for (var plugin of preloadPlugins) {
+ if (plugin["canHandle"](fullname)) {
+ return plugin["handle"](byteArray, fullname);
+ }
+ }
+ // If no plugin handled this file then return the original/unmodified
+ // byteArray.
+ return byteArray;
+};
+
+var FS_preloadFile = async (parent, name, url, canRead, canWrite, dontCreateFile, canOwn, preFinish) => {
+ // TODO we should allow people to just pass in a complete filename instead
+ // of parent and name being that we just join them anyways
+ var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
+ var dep = getUniqueRunDependency(`cp ${fullname}`);
+ // might have several active requests for the same fullname
+ addRunDependency(dep);
+ try {
+ var byteArray = url;
+ if (typeof url == "string") {
+ byteArray = await asyncLoad(url);
+ }
+ byteArray = await FS_handledByPreloadPlugin(byteArray, fullname);
+ preFinish?.();
+ if (!dontCreateFile) {
+ FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+ }
+ } finally {
+ removeRunDependency(dep);
+ }
+};
+
+var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
+ FS_preloadFile(parent, name, url, canRead, canWrite, dontCreateFile, canOwn, preFinish).then(onload).catch(onerror);
+};
+
+var FS = {
+ root: null,
+ mounts: [],
+ devices: {},
+ streams: [],
+ nextInode: 1,
+ nameTable: null,
+ currentPath: "/",
+ initialized: false,
+ ignorePermissions: true,
+ filesystems: null,
+ syncFSRequests: 0,
+ ErrnoError: class {
+ name="ErrnoError";
+ // We set the `name` property to be able to identify `FS.ErrnoError`
+ // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
+ // - when using PROXYFS, an error can come from an underlying FS
+ // as different FS objects have their own FS.ErrnoError each,
+ // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
+ // we'll use the reliable test `err.name == "ErrnoError"` instead
+ constructor(errno) {
+ this.errno = errno;
+ }
+ },
+ FSStream: class {
+ shared={};
+ get object() {
+ return this.node;
+ }
+ set object(val) {
+ this.node = val;
+ }
+ get isRead() {
+ return (this.flags & 2097155) !== 1;
+ }
+ get isWrite() {
+ return (this.flags & 2097155) !== 0;
+ }
+ get isAppend() {
+ return (this.flags & 1024);
+ }
+ get flags() {
+ return this.shared.flags;
+ }
+ set flags(val) {
+ this.shared.flags = val;
+ }
+ get position() {
+ return this.shared.position;
+ }
+ set position(val) {
+ this.shared.position = val;
+ }
+ },
+ FSNode: class {
+ node_ops={};
+ stream_ops={};
+ readMode=292 | 73;
+ writeMode=146;
+ mounted=null;
+ constructor(parent, name, mode, rdev) {
+ if (!parent) {
+ parent = this;
+ }
+ this.parent = parent;
+ this.mount = parent.mount;
+ this.id = FS.nextInode++;
+ this.name = name;
+ this.mode = mode;
+ this.rdev = rdev;
+ this.atime = this.mtime = this.ctime = Date.now();
+ }
+ get read() {
+ return (this.mode & this.readMode) === this.readMode;
+ }
+ set read(val) {
+ val ? this.mode |= this.readMode : this.mode &= ~this.readMode;
+ }
+ get write() {
+ return (this.mode & this.writeMode) === this.writeMode;
+ }
+ set write(val) {
+ val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode;
+ }
+ get isFolder() {
+ return FS.isDir(this.mode);
+ }
+ get isDevice() {
+ return FS.isChrdev(this.mode);
+ }
+ },
+ lookupPath(path, opts = {}) {
+ if (!path) {
+ throw new FS.ErrnoError(44);
+ }
+ opts.follow_mount ??= true;
+ if (!PATH.isAbs(path)) {
+ path = FS.cwd() + "/" + path;
+ }
+ // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+ linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
+ // split the absolute path
+ var parts = path.split("/").filter(p => !!p);
+ // start at the root
+ var current = FS.root;
+ var current_path = "/";
+ for (var i = 0; i < parts.length; i++) {
+ var islast = (i === parts.length - 1);
+ if (islast && opts.parent) {
+ // stop resolving
+ break;
+ }
+ if (parts[i] === ".") {
+ continue;
+ }
+ if (parts[i] === "..") {
+ current_path = PATH.dirname(current_path);
+ if (FS.isRoot(current)) {
+ path = current_path + "/" + parts.slice(i + 1).join("/");
+ // We're making progress here, don't let many consecutive ..'s
+ // lead to ELOOP
+ nlinks--;
+ continue linkloop;
+ } else {
+ current = current.parent;
+ }
+ continue;
+ }
+ current_path = PATH.join2(current_path, parts[i]);
+ try {
+ current = FS.lookupNode(current, parts[i]);
+ } catch (e) {
+ // if noent_okay is true, suppress a ENOENT in the last component
+ // and return an object with an undefined node. This is needed for
+ // resolving symlinks in the path when creating a file.
+ if ((e?.errno === 44) && islast && opts.noent_okay) {
+ return {
+ path: current_path
+ };
+ }
+ throw e;
+ }
+ // jump to the mount's root node if this is a mountpoint
+ if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
+ current = current.mounted.root;
+ }
+ // by default, lookupPath will not follow a symlink if it is the final path component.
+ // setting opts.follow = true will override this behavior.
+ if (FS.isLink(current.mode) && (!islast || opts.follow)) {
+ if (!current.node_ops.readlink) {
+ throw new FS.ErrnoError(52);
+ }
+ var link = current.node_ops.readlink(current);
+ if (!PATH.isAbs(link)) {
+ link = PATH.dirname(current_path) + "/" + link;
+ }
+ path = link + "/" + parts.slice(i + 1).join("/");
+ continue linkloop;
+ }
+ }
+ return {
+ path: current_path,
+ node: current
+ };
+ }
+ throw new FS.ErrnoError(32);
+ },
+ getPath(node) {
+ var path;
+ while (true) {
+ if (FS.isRoot(node)) {
+ var mount = node.mount.mountpoint;
+ if (!path) return mount;
+ return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path;
+ }
+ path = path ? `${node.name}/${path}` : node.name;
+ node = node.parent;
+ }
+ },
+ hashName(parentid, name) {
+ var hash = 0;
+ for (var i = 0; i < name.length; i++) {
+ hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
+ }
+ return ((parentid + hash) >>> 0) % FS.nameTable.length;
+ },
+ hashAddNode(node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ node.name_next = FS.nameTable[hash];
+ FS.nameTable[hash] = node;
+ },
+ hashRemoveNode(node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ if (FS.nameTable[hash] === node) {
+ FS.nameTable[hash] = node.name_next;
+ } else {
+ var current = FS.nameTable[hash];
+ while (current) {
+ if (current.name_next === node) {
+ current.name_next = node.name_next;
+ break;
+ }
+ current = current.name_next;
+ }
+ }
+ },
+ lookupNode(parent, name) {
+ var errCode = FS.mayLookup(parent);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ var hash = FS.hashName(parent.id, name);
+ for (var node = FS.nameTable[hash]; node; node = node.name_next) {
+ var nodeName = node.name;
+ if (node.parent.id === parent.id && nodeName === name) {
+ return node;
+ }
+ }
+ // if we failed to find it in the cache, call into the VFS
+ return FS.lookup(parent, name);
+ },
+ createNode(parent, name, mode, rdev) {
+ var node = new FS.FSNode(parent, name, mode, rdev);
+ FS.hashAddNode(node);
+ return node;
+ },
+ destroyNode(node) {
+ FS.hashRemoveNode(node);
+ },
+ isRoot(node) {
+ return node === node.parent;
+ },
+ isMountpoint(node) {
+ return !!node.mounted;
+ },
+ isFile(mode) {
+ return (mode & 61440) === 32768;
+ },
+ isDir(mode) {
+ return (mode & 61440) === 16384;
+ },
+ isLink(mode) {
+ return (mode & 61440) === 40960;
+ },
+ isChrdev(mode) {
+ return (mode & 61440) === 8192;
+ },
+ isBlkdev(mode) {
+ return (mode & 61440) === 24576;
+ },
+ isFIFO(mode) {
+ return (mode & 61440) === 4096;
+ },
+ isSocket(mode) {
+ return (mode & 49152) === 49152;
+ },
+ flagsToPermissionString(flag) {
+ var perms = [ "r", "w", "rw" ][flag & 3];
+ if ((flag & 512)) {
+ perms += "w";
+ }
+ return perms;
+ },
+ nodePermissions(node, perms) {
+ if (FS.ignorePermissions) {
+ return 0;
+ }
+ // return 0 if any user, group or owner bits are set.
+ if (perms.includes("r") && !(node.mode & 292)) {
+ return 2;
+ }
+ if (perms.includes("w") && !(node.mode & 146)) {
+ return 2;
+ }
+ if (perms.includes("x") && !(node.mode & 73)) {
+ return 2;
+ }
+ return 0;
+ },
+ mayLookup(dir) {
+ if (!FS.isDir(dir.mode)) return 54;
+ var errCode = FS.nodePermissions(dir, "x");
+ if (errCode) return errCode;
+ if (!dir.node_ops.lookup) return 2;
+ return 0;
+ },
+ mayCreate(dir, name) {
+ if (!FS.isDir(dir.mode)) {
+ return 54;
+ }
+ try {
+ var node = FS.lookupNode(dir, name);
+ return 20;
+ } catch (e) {}
+ return FS.nodePermissions(dir, "wx");
+ },
+ mayDelete(dir, name, isdir) {
+ var node;
+ try {
+ node = FS.lookupNode(dir, name);
+ } catch (e) {
+ return e.errno;
+ }
+ var errCode = FS.nodePermissions(dir, "wx");
+ if (errCode) {
+ return errCode;
+ }
+ if (isdir) {
+ if (!FS.isDir(node.mode)) {
+ return 54;
+ }
+ if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
+ return 10;
+ }
+ } else if (FS.isDir(node.mode)) {
+ return 31;
+ }
+ return 0;
+ },
+ mayOpen(node, flags) {
+ if (!node) {
+ return 44;
+ }
+ if (FS.isLink(node.mode)) {
+ return 32;
+ }
+ var mode = FS.flagsToPermissionString(flags);
+ if (FS.isDir(node.mode)) {
+ // opening for write
+ // TODO: check for O_SEARCH? (== search for dir only)
+ if (mode !== "r" || (flags & (512 | 64))) {
+ return 31;
+ }
+ }
+ return FS.nodePermissions(node, mode);
+ },
+ checkOpExists(op, err) {
+ if (!op) {
+ throw new FS.ErrnoError(err);
+ }
+ return op;
+ },
+ MAX_OPEN_FDS: 4096,
+ nextfd() {
+ for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
+ if (!FS.streams[fd]) {
+ return fd;
+ }
+ }
+ throw new FS.ErrnoError(33);
+ },
+ getStreamChecked(fd) {
+ var stream = FS.getStream(fd);
+ if (!stream) {
+ throw new FS.ErrnoError(8);
+ }
+ return stream;
+ },
+ getStream: fd => FS.streams[fd],
+ createStream(stream, fd = -1) {
+ // clone it, so we can return an instance of FSStream
+ stream = Object.assign(new FS.FSStream, stream);
+ if (fd == -1) {
+ fd = FS.nextfd();
+ }
+ stream.fd = fd;
+ FS.streams[fd] = stream;
+ return stream;
+ },
+ closeStream(fd) {
+ FS.streams[fd] = null;
+ },
+ dupStream(origStream, fd = -1) {
+ var stream = FS.createStream(origStream, fd);
+ stream.stream_ops?.dup?.(stream);
+ return stream;
+ },
+ doSetAttr(stream, node, attr) {
+ var setattr = stream?.stream_ops.setattr;
+ var arg = setattr ? stream : node;
+ setattr ??= node.node_ops.setattr;
+ FS.checkOpExists(setattr, 63);
+ setattr(arg, attr);
+ },
+ chrdev_stream_ops: {
+ open(stream) {
+ var device = FS.getDevice(stream.node.rdev);
+ // override node's stream ops with the device's
+ stream.stream_ops = device.stream_ops;
+ // forward the open call
+ stream.stream_ops.open?.(stream);
+ },
+ llseek() {
+ throw new FS.ErrnoError(70);
+ }
+ },
+ major: dev => ((dev) >> 8),
+ minor: dev => ((dev) & 255),
+ makedev: (ma, mi) => ((ma) << 8 | (mi)),
+ registerDevice(dev, ops) {
+ FS.devices[dev] = {
+ stream_ops: ops
+ };
+ },
+ getDevice: dev => FS.devices[dev],
+ getMounts(mount) {
+ var mounts = [];
+ var check = [ mount ];
+ while (check.length) {
+ var m = check.pop();
+ mounts.push(m);
+ check.push(...m.mounts);
+ }
+ return mounts;
+ },
+ syncfs(populate, callback) {
+ if (typeof populate == "function") {
+ callback = populate;
+ populate = false;
+ }
+ FS.syncFSRequests++;
+ if (FS.syncFSRequests > 1) {
+ err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
+ }
+ var mounts = FS.getMounts(FS.root.mount);
+ var completed = 0;
+ function doCallback(errCode) {
+ FS.syncFSRequests--;
+ return callback(errCode);
+ }
+ function done(errCode) {
+ if (errCode) {
+ if (!done.errored) {
+ done.errored = true;
+ return doCallback(errCode);
+ }
+ return;
+ }
+ if (++completed >= mounts.length) {
+ doCallback(null);
+ }
+ }
+ // sync all mounts
+ for (var mount of mounts) {
+ if (mount.type.syncfs) {
+ mount.type.syncfs(mount, populate, done);
+ } else {
+ done(null);
+ }
+ }
+ },
+ mount(type, opts, mountpoint) {
+ var root = mountpoint === "/";
+ var pseudo = !mountpoint;
+ var node;
+ if (root && FS.root) {
+ throw new FS.ErrnoError(10);
+ } else if (!root && !pseudo) {
+ var lookup = FS.lookupPath(mountpoint, {
+ follow_mount: false
+ });
+ mountpoint = lookup.path;
+ // use the absolute path
+ node = lookup.node;
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(10);
+ }
+ if (!FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ }
+ var mount = {
+ type,
+ opts,
+ mountpoint,
+ mounts: []
+ };
+ // create a root node for the fs
+ var mountRoot = type.mount(mount);
+ mountRoot.mount = mount;
+ mount.root = mountRoot;
+ if (root) {
+ FS.root = mountRoot;
+ } else if (node) {
+ // set as a mountpoint
+ node.mounted = mount;
+ // add the new mount to the current mount's children
+ if (node.mount) {
+ node.mount.mounts.push(mount);
+ }
+ }
+ return mountRoot;
+ },
+ unmount(mountpoint) {
+ var lookup = FS.lookupPath(mountpoint, {
+ follow_mount: false
+ });
+ if (!FS.isMountpoint(lookup.node)) {
+ throw new FS.ErrnoError(28);
+ }
+ // destroy the nodes for this mount, and all its child mounts
+ var node = lookup.node;
+ var mount = node.mounted;
+ var mounts = FS.getMounts(mount);
+ for (var [hash, current] of Object.entries(FS.nameTable)) {
+ while (current) {
+ var next = current.name_next;
+ if (mounts.includes(current.mount)) {
+ FS.destroyNode(current);
+ }
+ current = next;
+ }
+ }
+ // no longer a mountpoint
+ node.mounted = null;
+ // remove this mount from the child mounts
+ var idx = node.mount.mounts.indexOf(mount);
+ node.mount.mounts.splice(idx, 1);
+ },
+ lookup(parent, name) {
+ return parent.node_ops.lookup(parent, name);
+ },
+ mknod(path, mode, dev) {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ if (!name) {
+ throw new FS.ErrnoError(28);
+ }
+ if (name === "." || name === "..") {
+ throw new FS.ErrnoError(20);
+ }
+ var errCode = FS.mayCreate(parent, name);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.mknod) {
+ throw new FS.ErrnoError(63);
+ }
+ return parent.node_ops.mknod(parent, name, mode, dev);
+ },
+ statfs(path) {
+ return FS.statfsNode(FS.lookupPath(path, {
+ follow: true
+ }).node);
+ },
+ statfsStream(stream) {
+ // We keep a separate statfsStream function because noderawfs overrides
+ // it. In noderawfs, stream.node is sometimes null. Instead, we need to
+ // look at stream.path.
+ return FS.statfsNode(stream.node);
+ },
+ statfsNode(node) {
+ // NOTE: None of the defaults here are true. We're just returning safe and
+ // sane values. Currently nodefs and rawfs replace these defaults,
+ // other file systems leave them alone.
+ var rtn = {
+ bsize: 4096,
+ frsize: 4096,
+ blocks: 1e6,
+ bfree: 5e5,
+ bavail: 5e5,
+ files: FS.nextInode,
+ ffree: FS.nextInode - 1,
+ fsid: 42,
+ flags: 2,
+ namelen: 255
+ };
+ if (node.node_ops.statfs) {
+ Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root));
+ }
+ return rtn;
+ },
+ create(path, mode = 438) {
+ mode &= 4095;
+ mode |= 32768;
+ return FS.mknod(path, mode, 0);
+ },
+ mkdir(path, mode = 511) {
+ mode &= 511 | 512;
+ mode |= 16384;
+ return FS.mknod(path, mode, 0);
+ },
+ mkdirTree(path, mode) {
+ var dirs = path.split("/");
+ var d = "";
+ for (var dir of dirs) {
+ if (!dir) continue;
+ if (d || PATH.isAbs(path)) d += "/";
+ d += dir;
+ try {
+ FS.mkdir(d, mode);
+ } catch (e) {
+ if (e.errno != 20) throw e;
+ }
+ }
+ },
+ mkdev(path, mode, dev) {
+ if (typeof dev == "undefined") {
+ dev = mode;
+ mode = 438;
+ }
+ mode |= 8192;
+ return FS.mknod(path, mode, dev);
+ },
+ symlink(oldpath, newpath) {
+ if (!PATH_FS.resolve(oldpath)) {
+ throw new FS.ErrnoError(44);
+ }
+ var lookup = FS.lookupPath(newpath, {
+ parent: true
+ });
+ var parent = lookup.node;
+ if (!parent) {
+ throw new FS.ErrnoError(44);
+ }
+ var newname = PATH.basename(newpath);
+ var errCode = FS.mayCreate(parent, newname);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.symlink) {
+ throw new FS.ErrnoError(63);
+ }
+ return parent.node_ops.symlink(parent, newname, oldpath);
+ },
+ rename(old_path, new_path) {
+ var old_dirname = PATH.dirname(old_path);
+ var new_dirname = PATH.dirname(new_path);
+ var old_name = PATH.basename(old_path);
+ var new_name = PATH.basename(new_path);
+ // parents must exist
+ var lookup, old_dir, new_dir;
+ // let the errors from non existent directories percolate up
+ lookup = FS.lookupPath(old_path, {
+ parent: true
+ });
+ old_dir = lookup.node;
+ lookup = FS.lookupPath(new_path, {
+ parent: true
+ });
+ new_dir = lookup.node;
+ if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
+ // need to be part of the same mount
+ if (old_dir.mount !== new_dir.mount) {
+ throw new FS.ErrnoError(75);
+ }
+ // source must exist
+ var old_node = FS.lookupNode(old_dir, old_name);
+ // old path should not be an ancestor of the new path
+ var relative = PATH_FS.relative(old_path, new_dirname);
+ if (relative.charAt(0) !== ".") {
+ throw new FS.ErrnoError(28);
+ }
+ // new path should not be an ancestor of the old path
+ relative = PATH_FS.relative(new_path, old_dirname);
+ if (relative.charAt(0) !== ".") {
+ throw new FS.ErrnoError(55);
+ }
+ // see if the new path already exists
+ var new_node;
+ try {
+ new_node = FS.lookupNode(new_dir, new_name);
+ } catch (e) {}
+ // early out if nothing needs to change
+ if (old_node === new_node) {
+ return;
+ }
+ // we'll need to delete the old entry
+ var isdir = FS.isDir(old_node.mode);
+ var errCode = FS.mayDelete(old_dir, old_name, isdir);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ // need delete permissions if we'll be overwriting.
+ // need create permissions if new doesn't already exist.
+ errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!old_dir.node_ops.rename) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
+ throw new FS.ErrnoError(10);
+ }
+ // if we are going to change the parent, check write permissions
+ if (new_dir !== old_dir) {
+ errCode = FS.nodePermissions(old_dir, "w");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ }
+ // remove the node from the lookup hash
+ FS.hashRemoveNode(old_node);
+ // do the underlying fs rename
+ try {
+ old_dir.node_ops.rename(old_node, new_dir, new_name);
+ // update old node (we do this here to avoid each backend
+ // needing to)
+ old_node.parent = new_dir;
+ } catch (e) {
+ throw e;
+ } finally {
+ // add the node back to the hash (in case node_ops.rename
+ // changed its name)
+ FS.hashAddNode(old_node);
+ }
+ },
+ rmdir(path) {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var errCode = FS.mayDelete(parent, name, true);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.rmdir) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(10);
+ }
+ parent.node_ops.rmdir(parent, name);
+ FS.destroyNode(node);
+ },
+ readdir(path) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ var readdir = FS.checkOpExists(node.node_ops.readdir, 54);
+ return readdir(node);
+ },
+ unlink(path) {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ var parent = lookup.node;
+ if (!parent) {
+ throw new FS.ErrnoError(44);
+ }
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var errCode = FS.mayDelete(parent, name, false);
+ if (errCode) {
+ // According to POSIX, we should map EISDIR to EPERM, but
+ // we instead do what Linux does (and we must, as we use
+ // the musl linux libc).
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.unlink) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(10);
+ }
+ parent.node_ops.unlink(parent, name);
+ FS.destroyNode(node);
+ },
+ readlink(path) {
+ var lookup = FS.lookupPath(path);
+ var link = lookup.node;
+ if (!link) {
+ throw new FS.ErrnoError(44);
+ }
+ if (!link.node_ops.readlink) {
+ throw new FS.ErrnoError(28);
+ }
+ return link.node_ops.readlink(link);
+ },
+ stat(path, dontFollow) {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ var node = lookup.node;
+ var getattr = FS.checkOpExists(node.node_ops.getattr, 63);
+ return getattr(node);
+ },
+ fstat(fd) {
+ var stream = FS.getStreamChecked(fd);
+ var node = stream.node;
+ var getattr = stream.stream_ops.getattr;
+ var arg = getattr ? stream : node;
+ getattr ??= node.node_ops.getattr;
+ FS.checkOpExists(getattr, 63);
+ return getattr(arg);
+ },
+ lstat(path) {
+ return FS.stat(path, true);
+ },
+ doChmod(stream, node, mode, dontFollow) {
+ FS.doSetAttr(stream, node, {
+ mode: (mode & 4095) | (node.mode & ~4095),
+ ctime: Date.now(),
+ dontFollow
+ });
+ },
+ chmod(path, mode, dontFollow) {
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ FS.doChmod(null, node, mode, dontFollow);
+ },
+ lchmod(path, mode) {
+ FS.chmod(path, mode, true);
+ },
+ fchmod(fd, mode) {
+ var stream = FS.getStreamChecked(fd);
+ FS.doChmod(stream, stream.node, mode, false);
+ },
+ doChown(stream, node, dontFollow) {
+ FS.doSetAttr(stream, node, {
+ timestamp: Date.now(),
+ dontFollow
+ });
+ },
+ chown(path, uid, gid, dontFollow) {
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ FS.doChown(null, node, dontFollow);
+ },
+ lchown(path, uid, gid) {
+ FS.chown(path, uid, gid, true);
+ },
+ fchown(fd, uid, gid) {
+ var stream = FS.getStreamChecked(fd);
+ FS.doChown(stream, stream.node, false);
+ },
+ doTruncate(stream, node, len) {
+ if (FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!FS.isFile(node.mode)) {
+ throw new FS.ErrnoError(28);
+ }
+ var errCode = FS.nodePermissions(node, "w");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ FS.doSetAttr(stream, node, {
+ size: len,
+ timestamp: Date.now()
+ });
+ },
+ truncate(path, len) {
+ if (len < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ FS.doTruncate(null, node, len);
+ },
+ ftruncate(fd, len) {
+ var stream = FS.getStreamChecked(fd);
+ if (len < 0 || (stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(28);
+ }
+ FS.doTruncate(stream, stream.node, len);
+ },
+ utime(path, atime, mtime) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ var setattr = FS.checkOpExists(node.node_ops.setattr, 63);
+ setattr(node, {
+ atime,
+ mtime
+ });
+ },
+ open(path, flags, mode = 438) {
+ if (path === "") {
+ throw new FS.ErrnoError(44);
+ }
+ flags = FS_modeStringToFlags(flags);
+ if ((flags & 64)) {
+ mode = (mode & 4095) | 32768;
+ } else {
+ mode = 0;
+ }
+ var node;
+ var isDirPath;
+ if (typeof path == "object") {
+ node = path;
+ } else {
+ isDirPath = path.endsWith("/");
+ // noent_okay makes it so that if the final component of the path
+ // doesn't exist, lookupPath returns `node: undefined`. `path` will be
+ // updated to point to the target of all symlinks.
+ var lookup = FS.lookupPath(path, {
+ follow: !(flags & 131072),
+ noent_okay: true
+ });
+ node = lookup.node;
+ path = lookup.path;
+ }
+ // perhaps we need to create the node
+ var created = false;
+ if ((flags & 64)) {
+ if (node) {
+ // if O_CREAT and O_EXCL are set, error out if the node already exists
+ if ((flags & 128)) {
+ throw new FS.ErrnoError(20);
+ }
+ } else if (isDirPath) {
+ throw new FS.ErrnoError(31);
+ } else {
+ // node doesn't exist, try to create it
+ // Ignore the permission bits here to ensure we can `open` this new
+ // file below. We use chmod below to apply the permissions once the
+ // file is open.
+ node = FS.mknod(path, mode | 511, 0);
+ created = true;
+ }
+ }
+ if (!node) {
+ throw new FS.ErrnoError(44);
+ }
+ // can't truncate a device
+ if (FS.isChrdev(node.mode)) {
+ flags &= ~512;
+ }
+ // if asked only for a directory, then this must be one
+ if ((flags & 65536) && !FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ // check permissions, if this is not a file we just created now (it is ok to
+ // create and write to a file with read-only permissions; it is read-only
+ // for later use)
+ if (!created) {
+ var errCode = FS.mayOpen(node, flags);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ }
+ // do truncation if necessary
+ if ((flags & 512) && !created) {
+ FS.truncate(node, 0);
+ }
+ // we've already handled these, don't pass down to the underlying vfs
+ flags &= ~(128 | 512 | 131072);
+ // register the stream with the filesystem
+ var stream = FS.createStream({
+ node,
+ path: FS.getPath(node),
+ // we want the absolute path to the node
+ flags,
+ seekable: true,
+ position: 0,
+ stream_ops: node.stream_ops,
+ // used by the file family libc calls (fopen, fwrite, ferror, etc.)
+ ungotten: [],
+ error: false
+ });
+ // call the new stream's open function
+ if (stream.stream_ops.open) {
+ stream.stream_ops.open(stream);
+ }
+ if (created) {
+ FS.chmod(node, mode & 511);
+ }
+ return stream;
+ },
+ close(stream) {
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if (stream.getdents) stream.getdents = null;
+ // free readdir state
+ try {
+ if (stream.stream_ops.close) {
+ stream.stream_ops.close(stream);
+ }
+ } catch (e) {
+ throw e;
+ } finally {
+ FS.closeStream(stream.fd);
+ }
+ stream.fd = null;
+ },
+ isClosed(stream) {
+ return stream.fd === null;
+ },
+ llseek(stream, offset, whence) {
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if (!stream.seekable || !stream.stream_ops.llseek) {
+ throw new FS.ErrnoError(70);
+ }
+ if (whence != 0 && whence != 1 && whence != 2) {
+ throw new FS.ErrnoError(28);
+ }
+ stream.position = stream.stream_ops.llseek(stream, offset, whence);
+ stream.ungotten = [];
+ return stream.position;
+ },
+ read(stream, buffer, offset, length, position) {
+ if (length < 0 || position < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if ((stream.flags & 2097155) === 1) {
+ throw new FS.ErrnoError(8);
+ }
+ if (FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!stream.stream_ops.read) {
+ throw new FS.ErrnoError(28);
+ }
+ var seeking = typeof position != "undefined";
+ if (!seeking) {
+ position = stream.position;
+ } else if (!stream.seekable) {
+ throw new FS.ErrnoError(70);
+ }
+ var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
+ if (!seeking) stream.position += bytesRead;
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, position, canOwn) {
+ if (length < 0 || position < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(8);
+ }
+ if (FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!stream.stream_ops.write) {
+ throw new FS.ErrnoError(28);
+ }
+ if (stream.seekable && stream.flags & 1024) {
+ // seek to the end before writing in append mode
+ FS.llseek(stream, 0, 2);
+ }
+ var seeking = typeof position != "undefined";
+ if (!seeking) {
+ position = stream.position;
+ } else if (!stream.seekable) {
+ throw new FS.ErrnoError(70);
+ }
+ var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
+ if (!seeking) stream.position += bytesWritten;
+ return bytesWritten;
+ },
+ mmap(stream, length, position, prot, flags) {
+ // User requests writing to file (prot & PROT_WRITE != 0).
+ // Checking if we have permissions to write to the file unless
+ // MAP_PRIVATE flag is set. According to POSIX spec it is possible
+ // to write to file opened in read-only mode with MAP_PRIVATE flag,
+ // as all modifications will be visible only in the memory of
+ // the current process.
+ if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
+ throw new FS.ErrnoError(2);
+ }
+ if ((stream.flags & 2097155) === 1) {
+ throw new FS.ErrnoError(2);
+ }
+ if (!stream.stream_ops.mmap) {
+ throw new FS.ErrnoError(43);
+ }
+ if (!length) {
+ throw new FS.ErrnoError(28);
+ }
+ return stream.stream_ops.mmap(stream, length, position, prot, flags);
+ },
+ msync(stream, buffer, offset, length, mmapFlags) {
+ if (!stream.stream_ops.msync) {
+ return 0;
+ }
+ return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
+ },
+ ioctl(stream, cmd, arg) {
+ if (!stream.stream_ops.ioctl) {
+ throw new FS.ErrnoError(59);
+ }
+ return stream.stream_ops.ioctl(stream, cmd, arg);
+ },
+ readFile(path, opts = {}) {
+ opts.flags = opts.flags || 0;
+ opts.encoding = opts.encoding || "binary";
+ if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
+ abort(`Invalid encoding type "${opts.encoding}"`);
+ }
+ var stream = FS.open(path, opts.flags);
+ var stat = FS.stat(path);
+ var length = stat.size;
+ var buf = new Uint8Array(length);
+ FS.read(stream, buf, 0, length, 0);
+ if (opts.encoding === "utf8") {
+ buf = UTF8ArrayToString(buf);
+ }
+ FS.close(stream);
+ return buf;
+ },
+ writeFile(path, data, opts = {}) {
+ opts.flags = opts.flags || 577;
+ var stream = FS.open(path, opts.flags, opts.mode);
+ data = FS_fileDataToTypedArray(data);
+ FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
+ FS.close(stream);
+ },
+ cwd: () => FS.currentPath,
+ chdir(path) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ if (lookup.node === null) {
+ throw new FS.ErrnoError(44);
+ }
+ if (!FS.isDir(lookup.node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ var errCode = FS.nodePermissions(lookup.node, "x");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ FS.currentPath = lookup.path;
+ },
+ createDefaultDirectories() {
+ FS.mkdir("/tmp");
+ FS.mkdir("/home");
+ FS.mkdir("/home/web_user");
+ },
+ createDefaultDevices() {
+ // create /dev
+ FS.mkdir("/dev");
+ // setup /dev/null
+ FS.registerDevice(FS.makedev(1, 3), {
+ read: () => 0,
+ write: (stream, buffer, offset, length, pos) => length,
+ llseek: () => 0
+ });
+ FS.mkdev("/dev/null", FS.makedev(1, 3));
+ // setup /dev/tty and /dev/tty1
+ // stderr needs to print output using err() rather than out()
+ // so we register a second tty just for it.
+ TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
+ TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
+ FS.mkdev("/dev/tty", FS.makedev(5, 0));
+ FS.mkdev("/dev/tty1", FS.makedev(6, 0));
+ // setup /dev/[u]random
+ // use a buffer to avoid overhead of individual crypto calls per byte
+ var randomBuffer = new Uint8Array(1024), randomLeft = 0;
+ var randomByte = () => {
+ if (randomLeft === 0) {
+ randomFill(randomBuffer);
+ randomLeft = randomBuffer.byteLength;
+ }
+ return randomBuffer[--randomLeft];
+ };
+ FS.createDevice("/dev", "random", randomByte);
+ FS.createDevice("/dev", "urandom", randomByte);
+ // we're not going to emulate the actual shm device,
+ // just create the tmp dirs that reside in it commonly
+ FS.mkdir("/dev/shm");
+ FS.mkdir("/dev/shm/tmp");
+ },
+ createSpecialDirectories() {
+ // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
+ // name of the stream for fd 6 (see test_unistd_ttyname)
+ FS.mkdir("/proc");
+ var proc_self = FS.mkdir("/proc/self");
+ FS.mkdir("/proc/self/fd");
+ FS.mount({
+ mount() {
+ var node = FS.createNode(proc_self, "fd", 16895, 73);
+ node.stream_ops = {
+ llseek: MEMFS.stream_ops.llseek
+ };
+ node.node_ops = {
+ lookup(parent, name) {
+ var fd = +name;
+ var stream = FS.getStreamChecked(fd);
+ var ret = {
+ parent: null,
+ mount: {
+ mountpoint: "fake"
+ },
+ node_ops: {
+ readlink: () => stream.path
+ },
+ id: fd + 1
+ };
+ ret.parent = ret;
+ // make it look like a simple root node
+ return ret;
+ },
+ readdir() {
+ return Array.from(FS.streams.entries()).filter(([k, v]) => v).map(([k, v]) => k.toString());
+ }
+ };
+ return node;
+ }
+ }, {}, "/proc/self/fd");
+ },
+ createStandardStreams(input, output, error) {
+ // TODO deprecate the old functionality of a single
+ // input / output callback and that utilizes FS.createDevice
+ // and instead require a unique set of stream ops
+ // by default, we symlink the standard streams to the
+ // default tty devices. however, if the standard streams
+ // have been overwritten we create a unique device for
+ // them instead.
+ if (input) {
+ FS.createDevice("/dev", "stdin", input);
+ } else {
+ FS.symlink("/dev/tty", "/dev/stdin");
+ }
+ if (output) {
+ FS.createDevice("/dev", "stdout", null, output);
+ } else {
+ FS.symlink("/dev/tty", "/dev/stdout");
+ }
+ if (error) {
+ FS.createDevice("/dev", "stderr", null, error);
+ } else {
+ FS.symlink("/dev/tty1", "/dev/stderr");
+ }
+ // open default streams for the stdin, stdout and stderr devices
+ var stdin = FS.open("/dev/stdin", 0);
+ var stdout = FS.open("/dev/stdout", 1);
+ var stderr = FS.open("/dev/stderr", 1);
+ },
+ staticInit() {
+ FS.nameTable = new Array(4096);
+ FS.mount(MEMFS, {}, "/");
+ FS.createDefaultDirectories();
+ FS.createDefaultDevices();
+ FS.createSpecialDirectories();
+ FS.filesystems = {
+ "MEMFS": MEMFS
+ };
+ },
+ init(input, output, error) {
+ FS.initialized = true;
+ // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+ input ??= Module["stdin"];
+ output ??= Module["stdout"];
+ error ??= Module["stderr"];
+ FS.createStandardStreams(input, output, error);
+ },
+ quit() {
+ FS.initialized = false;
+ // force-flush all streams, so we get musl std streams printed out
+ // close all of our streams
+ for (var stream of FS.streams) {
+ if (stream) {
+ FS.close(stream);
+ }
+ }
+ },
+ findObject(path, dontResolveLastLink) {
+ var ret = FS.analyzePath(path, dontResolveLastLink);
+ if (!ret.exists) {
+ return null;
+ }
+ return ret.object;
+ },
+ analyzePath(path, dontResolveLastLink) {
+ // operate from within the context of the symlink's target
+ try {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontResolveLastLink
+ });
+ path = lookup.path;
+ } catch (e) {}
+ var ret = {
+ isRoot: false,
+ exists: false,
+ error: 0,
+ name: null,
+ path: null,
+ object: null,
+ parentExists: false,
+ parentPath: null,
+ parentObject: null
+ };
+ try {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ ret.parentExists = true;
+ ret.parentPath = lookup.path;
+ ret.parentObject = lookup.node;
+ ret.name = PATH.basename(path);
+ lookup = FS.lookupPath(path, {
+ follow: !dontResolveLastLink
+ });
+ ret.exists = true;
+ ret.path = lookup.path;
+ ret.object = lookup.node;
+ ret.name = lookup.node.name;
+ ret.isRoot = lookup.path === "/";
+ } catch (e) {
+ ret.error = e.errno;
+ }
+ return ret;
+ },
+ createPath(parent, path, canRead, canWrite) {
+ parent = typeof parent == "string" ? parent : FS.getPath(parent);
+ var parts = path.split("/").reverse();
+ while (parts.length) {
+ var part = parts.pop();
+ if (!part) continue;
+ var current = PATH.join2(parent, part);
+ try {
+ FS.mkdir(current);
+ } catch (e) {
+ if (e.errno != 20) throw e;
+ }
+ parent = current;
+ }
+ return current;
+ },
+ createFile(parent, name, properties, canRead, canWrite) {
+ var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+ var mode = FS_getMode(canRead, canWrite);
+ return FS.create(path, mode);
+ },
+ createDataFile(parent, name, data, canRead, canWrite, canOwn) {
+ var path = name;
+ if (parent) {
+ parent = typeof parent == "string" ? parent : FS.getPath(parent);
+ path = name ? PATH.join2(parent, name) : parent;
+ }
+ var mode = FS_getMode(canRead, canWrite);
+ var node = FS.create(path, mode);
+ if (data) {
+ data = FS_fileDataToTypedArray(data);
+ // make sure we can write to the file
+ FS.chmod(node, mode | 146);
+ var stream = FS.open(node, 577);
+ FS.write(stream, data, 0, data.length, 0, canOwn);
+ FS.close(stream);
+ FS.chmod(node, mode);
+ }
+ },
+ createDevice(parent, name, input, output) {
+ var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+ var mode = FS_getMode(!!input, !!output);
+ FS.createDevice.major ??= 64;
+ var dev = FS.makedev(FS.createDevice.major++, 0);
+ // Create a fake device that a set of stream ops to emulate
+ // the old behavior.
+ FS.registerDevice(dev, {
+ open(stream) {
+ stream.seekable = false;
+ },
+ close(stream) {
+ // flush any pending line data
+ if (output?.buffer?.length) {
+ output(10);
+ }
+ },
+ read(stream, buffer, offset, length, pos) {
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = input();
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(6);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset + i] = result;
+ }
+ if (bytesRead) {
+ stream.node.atime = Date.now();
+ }
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, pos) {
+ for (var i = 0; i < length; i++) {
+ try {
+ output(buffer[offset + i]);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ }
+ if (length) {
+ stream.node.mtime = stream.node.ctime = Date.now();
+ }
+ return i;
+ }
+ });
+ return FS.mkdev(path, mode, dev);
+ },
+ forceLoadFile(obj) {
+ if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+ if (globalThis.XMLHttpRequest) {
+ abort("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
+ } else {
+ // Command-line.
+ try {
+ obj.contents = readBinary(obj.url);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ }
+ },
+ createLazyFile(parent, name, url, canRead, canWrite) {
+ // Lazy chunked Uint8Array (implements get and length from Uint8Array).
+ // Actual getting is abstracted away for eventual reuse.
+ class LazyUint8Array {
+ lengthKnown=false;
+ chunks=[];
+ // Loaded chunks. Index is the chunk number
+ get(idx) {
+ if (idx > this.length - 1 || idx < 0) {
+ return undefined;
+ }
+ var chunkOffset = idx % this.chunkSize;
+ var chunkNum = (idx / this.chunkSize) | 0;
+ return this.getter(chunkNum)[chunkOffset];
+ }
+ setDataGetter(getter) {
+ this.getter = getter;
+ }
+ cacheLength() {
+ // Find length
+ var xhr = new XMLHttpRequest;
+ xhr.open("HEAD", url, false);
+ xhr.send(null);
+ if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) abort("Couldn't load " + url + ". Status: " + xhr.status);
+ var datalength = Number(xhr.getResponseHeader("Content-length"));
+ var header;
+ var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
+ var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
+ var chunkSize = 1024 * 1024;
+ // Chunk size in bytes
+ if (!hasByteServing) chunkSize = datalength;
+ // Function to get a range from the remote URL.
+ var doXHR = (from, to) => {
+ if (from > to) abort("invalid range (" + from + ", " + to + ") or no bytes requested!");
+ if (to > datalength - 1) abort("only " + datalength + " bytes available! programmer error!");
+ // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, false);
+ if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+ // Some hints to the browser that we want binary data.
+ xhr.responseType = "arraybuffer";
+ if (xhr.overrideMimeType) {
+ xhr.overrideMimeType("text/plain; charset=x-user-defined");
+ }
+ xhr.send(null);
+ if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) abort("Couldn't load " + url + ". Status: " + xhr.status);
+ if (xhr.response !== undefined) {
+ return new Uint8Array(/** @type{Array} */ (xhr.response || []));
+ }
+ return intArrayFromString(xhr.responseText || "", true);
+ };
+ var lazyArray = this;
+ lazyArray.setDataGetter(chunkNum => {
+ var start = chunkNum * chunkSize;
+ var end = (chunkNum + 1) * chunkSize - 1;
+ // including this byte
+ end = Math.min(end, datalength - 1);
+ // if datalength-1 is selected, this is the last block
+ if (typeof lazyArray.chunks[chunkNum] == "undefined") {
+ lazyArray.chunks[chunkNum] = doXHR(start, end);
+ }
+ if (typeof lazyArray.chunks[chunkNum] == "undefined") abort("doXHR failed!");
+ return lazyArray.chunks[chunkNum];
+ });
+ if (usesGzip || !datalength) {
+ // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
+ chunkSize = datalength = 1;
+ // this will force getter(0)/doXHR do download the whole file
+ datalength = this.getter(0).length;
+ chunkSize = datalength;
+ out("LazyFiles on gzip forces download of the whole file when length is accessed");
+ }
+ this._length = datalength;
+ this._chunkSize = chunkSize;
+ this.lengthKnown = true;
+ }
+ get length() {
+ if (!this.lengthKnown) {
+ this.cacheLength();
+ }
+ return this._length;
+ }
+ get chunkSize() {
+ if (!this.lengthKnown) {
+ this.cacheLength();
+ }
+ return this._chunkSize;
+ }
+ }
+ if (globalThis.XMLHttpRequest) {
+ if (!ENVIRONMENT_IS_WORKER) abort("Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc");
+ var lazyArray = new LazyUint8Array;
+ var properties = {
+ isDevice: false,
+ contents: lazyArray
+ };
+ } else {
+ var properties = {
+ isDevice: false,
+ url
+ };
+ }
+ var node = FS.createFile(parent, name, properties, canRead, canWrite);
+ // This is a total hack, but I want to get this lazy file code out of the
+ // core of MEMFS. If we want to keep this lazy file concept I feel it should
+ // be its own thin LAZYFS proxying calls to MEMFS.
+ if (properties.contents) {
+ node.contents = properties.contents;
+ } else if (properties.url) {
+ node.contents = null;
+ node.url = properties.url;
+ }
+ // Add a function that defers querying the file size until it is asked the first time.
+ Object.defineProperties(node, {
+ usedBytes: {
+ get: function() {
+ return this.contents.length;
+ }
+ }
+ });
+ // override each stream op with one that tries to force load the lazy file first
+ var stream_ops = {};
+ for (const [key, fn] of Object.entries(node.stream_ops)) {
+ stream_ops[key] = (...args) => {
+ FS.forceLoadFile(node);
+ return fn(...args);
+ };
+ }
+ function writeChunks(stream, buffer, offset, length, position) {
+ var contents = stream.node.contents;
+ if (position >= contents.length) return 0;
+ var size = Math.min(contents.length - position, length);
+ if (contents.slice) {
+ // normal array
+ for (var i = 0; i < size; i++) {
+ buffer[offset + i] = contents[position + i];
+ }
+ } else {
+ for (var i = 0; i < size; i++) {
+ // LazyUint8Array from sync binary XHR
+ buffer[offset + i] = contents.get(position + i);
+ }
+ }
+ return size;
+ }
+ // use a custom read function
+ stream_ops.read = (stream, buffer, offset, length, position) => {
+ FS.forceLoadFile(node);
+ return writeChunks(stream, buffer, offset, length, position);
+ };
+ // use a custom mmap function
+ stream_ops.mmap = (stream, length, position, prot, flags) => {
+ FS.forceLoadFile(node);
+ var ptr = mmapAlloc(length);
+ if (!ptr) {
+ throw new FS.ErrnoError(48);
+ }
+ writeChunks(stream, HEAP8, ptr, length, position);
+ return {
+ ptr,
+ allocated: true
+ };
+ };
+ node.stream_ops = stream_ops;
+ return node;
+ }
+};
+
+/**
+ * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
+ * emscripten HEAP, returns a copy of that string as a Javascript String object.
+ *
+ * @param {number} ptr
+ * @param {number=} maxBytesToRead - An optional length that specifies the
+ * maximum number of bytes to read. You can omit this parameter to scan the
+ * string until the first 0 byte. If maxBytesToRead is passed, and the string
+ * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
+ * string will cut short at that byte index.
+ * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
+ * @return {string}
+ */ var UTF8ToString = (ptr, maxBytesToRead, ignoreNul) => {
+ if (!ptr) return "";
+ var end = findStringEnd(HEAPU8, ptr, maxBytesToRead, ignoreNul);
+ return UTF8Decoder.decode(HEAPU8.subarray(ptr, end));
+};
+
+var SYSCALLS = {
+ calculateAt(dirfd, path, allowEmpty) {
+ if (PATH.isAbs(path)) {
+ return path;
+ }
+ // relative path
+ var dir;
+ if (dirfd === -100) {
+ dir = FS.cwd();
+ } else {
+ var dirstream = SYSCALLS.getStreamFromFD(dirfd);
+ dir = dirstream.path;
+ }
+ if (path.length == 0) {
+ if (!allowEmpty) {
+ throw new FS.ErrnoError(44);
+ }
+ return dir;
+ }
+ return dir + "/" + path;
+ },
+ writeStat(buf, stat) {
+ HEAPU32[((buf) >> 2)] = stat.dev;
+ HEAPU32[(((buf) + (4)) >> 2)] = stat.mode;
+ HEAPU32[(((buf) + (8)) >> 2)] = stat.nlink;
+ HEAPU32[(((buf) + (12)) >> 2)] = stat.uid;
+ HEAPU32[(((buf) + (16)) >> 2)] = stat.gid;
+ HEAPU32[(((buf) + (20)) >> 2)] = stat.rdev;
+ (tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]);
+ HEAP32[(((buf) + (32)) >> 2)] = 4096;
+ HEAP32[(((buf) + (36)) >> 2)] = stat.blocks;
+ var atime = stat.atime.getTime();
+ var mtime = stat.mtime.getTime();
+ var ctime = stat.ctime.getTime();
+ (tempI64 = [ Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3),
+ (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (48)) >> 2)] = (atime % 1e3) * 1e3 * 1e3;
+ (tempI64 = [ Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3),
+ (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (56)) >> 2)] = tempI64[0], HEAP32[(((buf) + (60)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (64)) >> 2)] = (mtime % 1e3) * 1e3 * 1e3;
+ (tempI64 = [ Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3),
+ (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (72)) >> 2)] = tempI64[0], HEAP32[(((buf) + (76)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (80)) >> 2)] = (ctime % 1e3) * 1e3 * 1e3;
+ (tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (88)) >> 2)] = tempI64[0], HEAP32[(((buf) + (92)) >> 2)] = tempI64[1]);
+ return 0;
+ },
+ writeStatFs(buf, stats) {
+ HEAPU32[(((buf) + (4)) >> 2)] = stats.bsize;
+ HEAPU32[(((buf) + (60)) >> 2)] = stats.bsize;
+ (tempI64 = [ stats.blocks >>> 0, (tempDouble = stats.blocks, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (8)) >> 2)] = tempI64[0], HEAP32[(((buf) + (12)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.bfree >>> 0, (tempDouble = stats.bfree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (16)) >> 2)] = tempI64[0], HEAP32[(((buf) + (20)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.bavail >>> 0, (tempDouble = stats.bavail, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.files >>> 0, (tempDouble = stats.files, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (32)) >> 2)] = tempI64[0], HEAP32[(((buf) + (36)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.ffree >>> 0, (tempDouble = stats.ffree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (48)) >> 2)] = stats.fsid;
+ HEAPU32[(((buf) + (64)) >> 2)] = stats.flags;
+ // ST_NOSUID
+ HEAPU32[(((buf) + (56)) >> 2)] = stats.namelen;
+ },
+ doMsync(addr, stream, len, flags, offset) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(43);
+ }
+ if (flags & 2) {
+ // MAP_PRIVATE calls need not to be synced back to underlying fs
+ return 0;
+ }
+ var buffer = HEAPU8.slice(addr, addr + len);
+ FS.msync(stream, buffer, offset, len, flags);
+ },
+ getStreamFromFD(fd) {
+ var stream = FS.getStreamChecked(fd);
+ return stream;
+ },
+ varargs: undefined,
+ getStr(ptr) {
+ var ret = UTF8ToString(ptr);
+ return ret;
+ }
+};
+
+function ___syscall_dup(fd) {
+ try {
+ var old = SYSCALLS.getStreamFromFD(fd);
+ return FS.dupStream(old).fd;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_faccessat(dirfd, path, amode, flags) {
+ try {
+ path = SYSCALLS.getStr(path);
+ path = SYSCALLS.calculateAt(dirfd, path);
+ if (amode & ~7) {
+ // need a valid mode
+ return -28;
+ }
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ if (!node) {
+ return -44;
+ }
+ var perms = "";
+ if (amode & 4) perms += "r";
+ if (amode & 2) perms += "w";
+ if (amode & 1) perms += "x";
+ if (perms && FS.nodePermissions(node, perms)) {
+ return -2;
+ }
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var syscallGetVarargI = () => {
+ // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
+ var ret = HEAP32[((+SYSCALLS.varargs) >> 2)];
+ SYSCALLS.varargs += 4;
+ return ret;
+};
+
+var syscallGetVarargP = syscallGetVarargI;
+
+function ___syscall_fcntl64(fd, cmd, varargs) {
+ SYSCALLS.varargs = varargs;
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ switch (cmd) {
+ case 0:
+ {
+ var arg = syscallGetVarargI();
+ if (arg < 0) {
+ return -28;
+ }
+ while (FS.streams[arg]) {
+ arg++;
+ }
+ var newStream;
+ newStream = FS.dupStream(stream, arg);
+ return newStream.fd;
+ }
+
+ case 1:
+ case 2:
+ return 0;
+
+ // FD_CLOEXEC makes no sense for a single process.
+ case 3:
+ return stream.flags;
+
+ case 4:
+ {
+ var arg = syscallGetVarargI();
+ stream.flags |= arg;
+ return 0;
+ }
+
+ case 12:
+ {
+ var arg = syscallGetVarargP();
+ var offset = 0;
+ // We're always unlocked.
+ HEAP16[(((arg) + (offset)) >> 1)] = 2;
+ return 0;
+ }
+
+ case 13:
+ case 14:
+ // Pretend that the locking is successful. These are process-level locks,
+ // and Emscripten programs are a single process. If we supported linking a
+ // filesystem between programs, we'd need to do more here.
+ // See https://github.com/emscripten-core/emscripten/issues/23697
+ return 0;
+ }
+ return -28;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_fstat64(fd, buf) {
+ try {
+ return SYSCALLS.writeStat(buf, FS.fstat(fd));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var convertI32PairToI53Checked = (lo, hi) => ((hi + 2097152) >>> 0 < 4194305 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
+
+function ___syscall_ftruncate64(fd, length_low, length_high) {
+ var length = convertI32PairToI53Checked(length_low, length_high);
+ try {
+ if (isNaN(length)) return -61;
+ FS.ftruncate(fd, length);
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_ioctl(fd, op, varargs) {
+ SYSCALLS.varargs = varargs;
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ switch (op) {
+ case 21509:
+ {
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ case 21505:
+ {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tcgets) {
+ var termios = stream.tty.ops.ioctl_tcgets(stream);
+ var argp = syscallGetVarargP();
+ HEAP32[((argp) >> 2)] = termios.c_iflag || 0;
+ HEAP32[(((argp) + (4)) >> 2)] = termios.c_oflag || 0;
+ HEAP32[(((argp) + (8)) >> 2)] = termios.c_cflag || 0;
+ HEAP32[(((argp) + (12)) >> 2)] = termios.c_lflag || 0;
+ for (var i = 0; i < 32; i++) {
+ HEAP8[(argp + i) + (17)] = termios.c_cc[i] || 0;
+ }
+ return 0;
+ }
+ return 0;
+ }
+
+ case 21510:
+ case 21511:
+ case 21512:
+ {
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ case 21506:
+ case 21507:
+ case 21508:
+ {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tcsets) {
+ var argp = syscallGetVarargP();
+ var c_iflag = HEAP32[((argp) >> 2)];
+ var c_oflag = HEAP32[(((argp) + (4)) >> 2)];
+ var c_cflag = HEAP32[(((argp) + (8)) >> 2)];
+ var c_lflag = HEAP32[(((argp) + (12)) >> 2)];
+ var c_cc = [];
+ for (var i = 0; i < 32; i++) {
+ c_cc.push(HEAP8[(argp + i) + (17)]);
+ }
+ return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
+ c_iflag,
+ c_oflag,
+ c_cflag,
+ c_lflag,
+ c_cc
+ });
+ }
+ return 0;
+ }
+
+ case 21519:
+ {
+ if (!stream.tty) return -59;
+ var argp = syscallGetVarargP();
+ HEAP32[((argp) >> 2)] = 0;
+ return 0;
+ }
+
+ case 21520:
+ {
+ if (!stream.tty) return -59;
+ return -28;
+ }
+
+ case 21537:
+ case 21531:
+ {
+ var argp = syscallGetVarargP();
+ return FS.ioctl(stream, op, argp);
+ }
+
+ case 21523:
+ {
+ // TODO: in theory we should write to the winsize struct that gets
+ // passed in, but for now musl doesn't read anything on it
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tiocgwinsz) {
+ var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
+ var argp = syscallGetVarargP();
+ HEAP16[((argp) >> 1)] = winsize[0];
+ HEAP16[(((argp) + (2)) >> 1)] = winsize[1];
+ }
+ return 0;
+ }
+
+ case 21524:
+ {
+ // TODO: technically, this ioctl call should change the window size.
+ // but, since emscripten doesn't have any concept of a terminal window
+ // yet, we'll just silently throw it away as we do TIOCGWINSZ
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ case 21515:
+ {
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ default:
+ return -28;
+ }
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_lstat64(path, buf) {
+ try {
+ path = SYSCALLS.getStr(path);
+ return SYSCALLS.writeStat(buf, FS.lstat(path));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_newfstatat(dirfd, path, buf, flags) {
+ try {
+ path = SYSCALLS.getStr(path);
+ var nofollow = flags & 256;
+ var allowEmpty = flags & 4096;
+ flags = flags & (~6400);
+ path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
+ return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_openat(dirfd, path, flags, varargs) {
+ SYSCALLS.varargs = varargs;
+ try {
+ path = SYSCALLS.getStr(path);
+ path = SYSCALLS.calculateAt(dirfd, path);
+ var mode = varargs ? syscallGetVarargI() : 0;
+ return FS.open(path, flags, mode).fd;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_stat64(path, buf) {
+ try {
+ path = SYSCALLS.getStr(path);
+ return SYSCALLS.writeStat(buf, FS.stat(path));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var __abort_js = () => abort("");
+
+var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {};
+
+var AsciiToString = ptr => {
+ var str = "";
+ while (1) {
+ var ch = HEAPU8[ptr++];
+ if (!ch) return str;
+ str += String.fromCharCode(ch);
+ }
+};
+
+var awaitingDependencies = {};
+
+var registeredTypes = {};
+
+var typeDependencies = {};
+
+var BindingError = class BindingError extends Error {
+ constructor(message) {
+ super(message);
+ this.name = "BindingError";
+ }
+};
+
+var throwBindingError = message => {
+ throw new BindingError(message);
+};
+
+/** @param {Object=} options */ function sharedRegisterType(rawType, registeredInstance, options = {}) {
+ var name = registeredInstance.name;
+ if (!rawType) {
+ throwBindingError(`type "${name}" must have a positive integer typeid pointer`);
+ }
+ if (registeredTypes.hasOwnProperty(rawType)) {
+ if (options.ignoreDuplicateRegistrations) {
+ return;
+ } else {
+ throwBindingError(`Cannot register type '${name}' twice`);
+ }
+ }
+ registeredTypes[rawType] = registeredInstance;
+ delete typeDependencies[rawType];
+ if (awaitingDependencies.hasOwnProperty(rawType)) {
+ var callbacks = awaitingDependencies[rawType];
+ delete awaitingDependencies[rawType];
+ callbacks.forEach(cb => cb());
+ }
+}
+
+/** @param {Object=} options */ function registerType(rawType, registeredInstance, options = {}) {
+ return sharedRegisterType(rawType, registeredInstance, options);
+}
+
+/** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
+ name = AsciiToString(name);
+ registerType(rawType, {
+ name,
+ fromWireType: function(wt) {
+ // ambiguous emscripten ABI: sometimes return values are
+ // true or false, and sometimes integers (0 or 1)
+ return !!wt;
+ },
+ toWireType: function(destructors, o) {
+ return o ? trueValue : falseValue;
+ },
+ readValueFromPointer: function(pointer) {
+ return this.fromWireType(HEAPU8[pointer]);
+ },
+ destructorFunction: null
+ });
+};
+
+var emval_freelist = [];
+
+var emval_handles = [ 0, 1, , 1, null, 1, true, 1, false, 1 ];
+
+var __emval_decref = handle => {
+ if (handle > 9 && 0 === --emval_handles[handle + 1]) {
+ var value = emval_handles[handle];
+ emval_handles[handle] = undefined;
+ emval_freelist.push(handle);
+ }
+};
+
+var Emval = {
+ toValue: handle => {
+ if (!handle) {
+ throwBindingError(`Cannot use deleted val. handle = ${handle}`);
+ }
+ return emval_handles[handle];
+ },
+ toHandle: value => {
+ switch (value) {
+ case undefined:
+ return 2;
+
+ case null:
+ return 4;
+
+ case true:
+ return 6;
+
+ case false:
+ return 8;
+
+ default:
+ {
+ const handle = emval_freelist.pop() || emval_handles.length;
+ emval_handles[handle] = value;
+ emval_handles[handle + 1] = 1;
+ return handle;
+ }
+ }
+ }
+};
+
+/** @suppress {globalThis} */ function readPointer(pointer) {
+ return this.fromWireType(HEAPU32[((pointer) >> 2)]);
+}
+
+var EmValType = {
+ name: "emscripten::val",
+ fromWireType: handle => {
+ var rv = Emval.toValue(handle);
+ __emval_decref(handle);
+ return rv;
+ },
+ toWireType: (destructors, value) => Emval.toHandle(value),
+ readValueFromPointer: readPointer,
+ destructorFunction: null
+};
+
+var __embind_register_emval = rawType => registerType(rawType, EmValType);
+
+var floatReadValueFromPointer = (name, width) => {
+ switch (width) {
+ case 4:
+ return function(pointer) {
+ return this.fromWireType(HEAPF32[((pointer) >> 2)]);
+ };
+
+ case 8:
+ return function(pointer) {
+ return this.fromWireType(HEAPF64[((pointer) >> 3)]);
+ };
+
+ default:
+ throw new TypeError(`invalid float width (${width}): ${name}`);
+ }
+};
+
+var __embind_register_float = (rawType, name, size) => {
+ name = AsciiToString(name);
+ registerType(rawType, {
+ name,
+ fromWireType: value => value,
+ toWireType: (destructors, value) => value,
+ readValueFromPointer: floatReadValueFromPointer(name, size),
+ destructorFunction: null
+ });
+};
+
+var integerReadValueFromPointer = (name, width, signed) => {
+ // integers are quite common, so generate very specialized functions
+ switch (width) {
+ case 1:
+ return signed ? pointer => HEAP8[pointer] : pointer => HEAPU8[pointer];
+
+ case 2:
+ return signed ? pointer => HEAP16[((pointer) >> 1)] : pointer => HEAPU16[((pointer) >> 1)];
+
+ case 4:
+ return signed ? pointer => HEAP32[((pointer) >> 2)] : pointer => HEAPU32[((pointer) >> 2)];
+
+ default:
+ throw new TypeError(`invalid integer width (${width}): ${name}`);
+ }
+};
+
+/** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
+ name = AsciiToString(name);
+ const isUnsignedType = minRange === 0;
+ let fromWireType = value => value;
+ if (isUnsignedType) {
+ var bitshift = 32 - 8 * size;
+ fromWireType = value => (value << bitshift) >>> bitshift;
+ maxRange = fromWireType(maxRange);
+ }
+ registerType(primitiveType, {
+ name,
+ fromWireType,
+ toWireType: (destructors, value) => value,
+ readValueFromPointer: integerReadValueFromPointer(name, size, minRange !== 0),
+ destructorFunction: null
+ });
+};
+
+var __embind_register_memory_view = (rawType, dataTypeIndex, name) => {
+ var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array ];
+ var TA = typeMapping[dataTypeIndex];
+ function decodeMemoryView(handle) {
+ var size = HEAPU32[((handle) >> 2)];
+ var data = HEAPU32[(((handle) + (4)) >> 2)];
+ return new TA(HEAP8.buffer, data, size);
+ }
+ name = AsciiToString(name);
+ registerType(rawType, {
+ name,
+ fromWireType: decodeMemoryView,
+ readValueFromPointer: decodeMemoryView
+ }, {
+ ignoreDuplicateRegistrations: true
+ });
+};
+
+var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
+
+var __embind_register_std_string = (rawType, name) => {
+ name = AsciiToString(name);
+ var stdStringIsUTF8 = true;
+ registerType(rawType, {
+ name,
+ // For some method names we use string keys here since they are part of
+ // the public/external API and/or used by the runtime-generated code.
+ fromWireType(value) {
+ var length = HEAPU32[((value) >> 2)];
+ var payload = value + 4;
+ var str;
+ if (stdStringIsUTF8) {
+ str = UTF8ToString(payload, length, true);
+ } else {
+ str = "";
+ for (var i = 0; i < length; ++i) {
+ str += String.fromCharCode(HEAPU8[payload + i]);
+ }
+ }
+ _free(value);
+ return str;
+ },
+ toWireType(destructors, value) {
+ if (value instanceof ArrayBuffer) {
+ value = new Uint8Array(value);
+ }
+ var length;
+ var valueIsOfTypeString = (typeof value == "string");
+ // We accept `string` or array views with single byte elements
+ if (!(valueIsOfTypeString || (ArrayBuffer.isView(value) && value.BYTES_PER_ELEMENT == 1))) {
+ throwBindingError("Cannot pass non-string to std::string");
+ }
+ if (stdStringIsUTF8 && valueIsOfTypeString) {
+ length = lengthBytesUTF8(value);
+ } else {
+ length = value.length;
+ }
+ // assumes POINTER_SIZE alignment
+ var base = _malloc(4 + length + 1);
+ var ptr = base + 4;
+ HEAPU32[((base) >> 2)] = length;
+ if (valueIsOfTypeString) {
+ if (stdStringIsUTF8) {
+ stringToUTF8(value, ptr, length + 1);
+ } else {
+ for (var i = 0; i < length; ++i) {
+ var charCode = value.charCodeAt(i);
+ if (charCode > 255) {
+ _free(base);
+ throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
+ }
+ HEAPU8[ptr + i] = charCode;
+ }
+ }
+ } else {
+ HEAPU8.set(value, ptr);
+ }
+ if (destructors !== null) {
+ destructors.push(_free, base);
+ }
+ return base;
+ },
+ readValueFromPointer: readPointer,
+ destructorFunction(ptr) {
+ _free(ptr);
+ }
+ });
+};
+
+var UTF16Decoder = new TextDecoder("utf-16le");
+
+var UTF16ToString = (ptr, maxBytesToRead, ignoreNul) => {
+ var idx = ((ptr) >> 1);
+ var endIdx = findStringEnd(HEAPU16, idx, maxBytesToRead / 2, ignoreNul);
+ return UTF16Decoder.decode(HEAPU16.subarray(idx, endIdx));
+};
+
+var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
+ // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
+ maxBytesToWrite ??= 2147483647;
+ if (maxBytesToWrite < 2) return 0;
+ maxBytesToWrite -= 2;
+ // Null terminator.
+ var startPtr = outPtr;
+ var numCharsToWrite = (maxBytesToWrite < str.length * 2) ? (maxBytesToWrite / 2) : str.length;
+ for (var i = 0; i < numCharsToWrite; ++i) {
+ // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
+ var codeUnit = str.charCodeAt(i);
+ // possibly a lead surrogate
+ HEAP16[((outPtr) >> 1)] = codeUnit;
+ outPtr += 2;
+ }
+ // Null-terminate the pointer to the HEAP.
+ HEAP16[((outPtr) >> 1)] = 0;
+ return outPtr - startPtr;
+};
+
+var lengthBytesUTF16 = str => str.length * 2;
+
+var UTF32ToString = (ptr, maxBytesToRead, ignoreNul) => {
+ var str = "";
+ var startIdx = ((ptr) >> 2);
+ // If maxBytesToRead is not passed explicitly, it will be undefined, and this
+ // will always evaluate to true. This saves on code size.
+ for (var i = 0; !(i >= maxBytesToRead / 4); i++) {
+ var utf32 = HEAPU32[startIdx + i];
+ if (!utf32 && !ignoreNul) break;
+ str += String.fromCodePoint(utf32);
+ }
+ return str;
+};
+
+var stringToUTF32 = (str, outPtr, maxBytesToWrite) => {
+ // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
+ maxBytesToWrite ??= 2147483647;
+ if (maxBytesToWrite < 4) return 0;
+ var startPtr = outPtr;
+ var endPtr = startPtr + maxBytesToWrite - 4;
+ for (var i = 0; i < str.length; ++i) {
+ var codePoint = str.codePointAt(i);
+ // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
+ // We need to manually skip over the second code unit for correct iteration.
+ if (codePoint > 65535) {
+ i++;
+ }
+ HEAP32[((outPtr) >> 2)] = codePoint;
+ outPtr += 4;
+ if (outPtr + 4 > endPtr) break;
+ }
+ // Null-terminate the pointer to the HEAP.
+ HEAP32[((outPtr) >> 2)] = 0;
+ return outPtr - startPtr;
+};
+
+var lengthBytesUTF32 = str => {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+ var codePoint = str.codePointAt(i);
+ // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
+ // We need to manually skip over the second code unit for correct iteration.
+ if (codePoint > 65535) {
+ i++;
+ }
+ len += 4;
+ }
+ return len;
+};
+
+var __embind_register_std_wstring = (rawType, charSize, name) => {
+ name = AsciiToString(name);
+ var decodeString, encodeString, lengthBytesUTF;
+ if (charSize === 2) {
+ decodeString = UTF16ToString;
+ encodeString = stringToUTF16;
+ lengthBytesUTF = lengthBytesUTF16;
+ } else {
+ decodeString = UTF32ToString;
+ encodeString = stringToUTF32;
+ lengthBytesUTF = lengthBytesUTF32;
+ }
+ registerType(rawType, {
+ name,
+ fromWireType: value => {
+ // Code mostly taken from _embind_register_std_string fromWireType
+ var length = HEAPU32[((value) >> 2)];
+ var str = decodeString(value + 4, length * charSize, true);
+ _free(value);
+ return str;
+ },
+ toWireType: (destructors, value) => {
+ if (!(typeof value == "string")) {
+ throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
+ }
+ // assumes POINTER_SIZE alignment
+ var length = lengthBytesUTF(value);
+ var ptr = _malloc(4 + length + charSize);
+ HEAPU32[((ptr) >> 2)] = length / charSize;
+ encodeString(value, ptr + 4, length + charSize);
+ if (destructors !== null) {
+ destructors.push(_free, ptr);
+ }
+ return ptr;
+ },
+ readValueFromPointer: readPointer,
+ destructorFunction(ptr) {
+ _free(ptr);
+ }
+ });
+};
+
+var __embind_register_void = (rawType, name) => {
+ name = AsciiToString(name);
+ registerType(rawType, {
+ isVoid: true,
+ // void return values can be optimized out sometimes
+ name,
+ fromWireType: () => undefined,
+ // TODO: assert if anything else is given?
+ toWireType: (destructors, o) => undefined
+ });
+};
+
+var emval_methodCallers = [];
+
+var emval_addMethodCaller = caller => {
+ var id = emval_methodCallers.length;
+ emval_methodCallers.push(caller);
+ return id;
+};
+
+var getTypeName = type => {
+ var ptr = ___getTypeName(type);
+ var rv = AsciiToString(ptr);
+ _free(ptr);
+ return rv;
+};
+
+var requireRegisteredType = (rawType, humanName) => {
+ var impl = registeredTypes[rawType];
+ if (undefined === impl) {
+ throwBindingError(`${humanName} has unknown type ${getTypeName(rawType)}`);
+ }
+ return impl;
+};
+
+var emval_lookupTypes = (argCount, argTypes) => {
+ var a = new Array(argCount);
+ for (var i = 0; i < argCount; ++i) {
+ a[i] = requireRegisteredType(HEAPU32[(((argTypes) + (i * 4)) >> 2)], `parameter ${i}`);
+ }
+ return a;
+};
+
+var createNamedFunction = (name, func) => Object.defineProperty(func, "name", {
+ value: name
+});
+
+var emval_returnValue = (toReturnWire, destructorsRef, handle) => {
+ var destructors = [];
+ var result = toReturnWire(destructors, handle);
+ if (destructors.length) {
+ // void, primitives and any other types w/o destructors don't need to allocate a handle
+ HEAPU32[((destructorsRef) >> 2)] = Emval.toHandle(destructors);
+ }
+ return result;
+};
+
+var emval_symbols = {};
+
+var getStringOrSymbol = address => {
+ var symbol = emval_symbols[address];
+ if (symbol === undefined) {
+ return AsciiToString(address);
+ }
+ return symbol;
+};
+
+var __emval_create_invoker = (argCount, argTypesPtr, kind) => {
+ var GenericWireTypeSize = 8;
+ var [retType, ...argTypes] = emval_lookupTypes(argCount, argTypesPtr);
+ var toReturnWire = retType.toWireType.bind(retType);
+ var argFromPtr = argTypes.map(type => type.readValueFromPointer.bind(type));
+ argCount--;
+ // remove the extracted return type
+ var argN = new Array(argCount);
+ var invokerFunction = (handle, methodName, destructorsRef, args) => {
+ var offset = 0;
+ for (var i = 0; i < argCount; ++i) {
+ argN[i] = argFromPtr[i](args + offset);
+ offset += GenericWireTypeSize;
+ }
+ var rv;
+ switch (kind) {
+ case 0:
+ rv = Emval.toValue(handle).apply(null, argN);
+ break;
+
+ case 2:
+ rv = Reflect.construct(Emval.toValue(handle), argN);
+ break;
+
+ case 3:
+ // no-op, just return the argument
+ rv = argN[0];
+ break;
+
+ case 1:
+ rv = Emval.toValue(handle)[getStringOrSymbol(methodName)](...argN);
+ break;
+ }
+ return emval_returnValue(toReturnWire, destructorsRef, rv);
+ };
+ var functionName = `methodCaller<(${argTypes.map(t => t.name)}) => ${retType.name}>`;
+ return emval_addMethodCaller(createNamedFunction(functionName, invokerFunction));
+};
+
+var __emval_get_global = name => {
+ if (!name) {
+ return Emval.toHandle(globalThis);
+ }
+ name = getStringOrSymbol(name);
+ return Emval.toHandle(globalThis[name]);
+};
+
+var __emval_get_property = (handle, key) => {
+ handle = Emval.toValue(handle);
+ key = Emval.toValue(key);
+ return Emval.toHandle(handle[key]);
+};
+
+var __emval_incref = handle => {
+ if (handle > 9) {
+ emval_handles[handle + 1] += 1;
+ }
+};
+
+var __emval_instanceof = (object, constructor) => {
+ object = Emval.toValue(object);
+ constructor = Emval.toValue(constructor);
+ return object instanceof constructor;
+};
+
+var __emval_invoke = (caller, handle, methodName, destructorsRef, args) => emval_methodCallers[caller](handle, methodName, destructorsRef, args);
+
+var __emval_new_cstring = v => Emval.toHandle(getStringOrSymbol(v));
+
+var runDestructors = destructors => {
+ while (destructors.length) {
+ var ptr = destructors.pop();
+ var del = destructors.pop();
+ del(ptr);
+ }
+};
+
+var __emval_run_destructors = handle => {
+ var destructors = Emval.toValue(handle);
+ runDestructors(destructors);
+ __emval_decref(handle);
+};
+
+var __emval_set_property = (handle, key, value) => {
+ handle = Emval.toValue(handle);
+ key = Emval.toValue(key);
+ value = Emval.toValue(value);
+ handle[key] = value;
+};
+
+var __emval_typeof = handle => {
+ handle = Emval.toValue(handle);
+ return Emval.toHandle(typeof handle);
+};
+
+function __gmtime_js(time_low, time_high, tmPtr) {
+ var time = convertI32PairToI53Checked(time_low, time_high);
+ var date = new Date(time * 1e3);
+ HEAP32[((tmPtr) >> 2)] = date.getUTCSeconds();
+ HEAP32[(((tmPtr) + (4)) >> 2)] = date.getUTCMinutes();
+ HEAP32[(((tmPtr) + (8)) >> 2)] = date.getUTCHours();
+ HEAP32[(((tmPtr) + (12)) >> 2)] = date.getUTCDate();
+ HEAP32[(((tmPtr) + (16)) >> 2)] = date.getUTCMonth();
+ HEAP32[(((tmPtr) + (20)) >> 2)] = date.getUTCFullYear() - 1900;
+ HEAP32[(((tmPtr) + (24)) >> 2)] = date.getUTCDay();
+ var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
+ var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
+ HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
+}
+
+var isLeapYear = year => year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+
+var MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ];
+
+var MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ];
+
+var ydayFromDate = date => {
+ var leap = isLeapYear(date.getFullYear());
+ var monthDaysCumulative = (leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE);
+ var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
+ // -1 since it's days since Jan 1
+ return yday;
+};
+
+function __localtime_js(time_low, time_high, tmPtr) {
+ var time = convertI32PairToI53Checked(time_low, time_high);
+ var date = new Date(time * 1e3);
+ HEAP32[((tmPtr) >> 2)] = date.getSeconds();
+ HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
+ HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours();
+ HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate();
+ HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth();
+ HEAP32[(((tmPtr) + (20)) >> 2)] = date.getFullYear() - 1900;
+ HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay();
+ var yday = ydayFromDate(date) | 0;
+ HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
+ HEAP32[(((tmPtr) + (36)) >> 2)] = -(date.getTimezoneOffset() * 60);
+ // Attention: DST is in December in South, and some regions don't have DST at all.
+ var start = new Date(date.getFullYear(), 0, 1);
+ var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
+ var winterOffset = start.getTimezoneOffset();
+ var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
+ HEAP32[(((tmPtr) + (32)) >> 2)] = dst;
+}
+
+var setTempRet0 = val => __emscripten_tempret_set(val);
+
+var __mktime_js = function(tmPtr) {
+ var ret = (() => {
+ var date = new Date(HEAP32[(((tmPtr) + (20)) >> 2)] + 1900, HEAP32[(((tmPtr) + (16)) >> 2)], HEAP32[(((tmPtr) + (12)) >> 2)], HEAP32[(((tmPtr) + (8)) >> 2)], HEAP32[(((tmPtr) + (4)) >> 2)], HEAP32[((tmPtr) >> 2)], 0);
+ // There's an ambiguous hour when the time goes back; the tm_isdst field is
+ // used to disambiguate it. Date() basically guesses, so we fix it up if it
+ // guessed wrong, or fill in tm_isdst with the guess if it's -1.
+ var dst = HEAP32[(((tmPtr) + (32)) >> 2)];
+ var guessedOffset = date.getTimezoneOffset();
+ var start = new Date(date.getFullYear(), 0, 1);
+ var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
+ var winterOffset = start.getTimezoneOffset();
+ var dstOffset = Math.min(winterOffset, summerOffset);
+ // DST is in December in South
+ if (dst < 0) {
+ // Attention: some regions don't have DST at all.
+ HEAP32[(((tmPtr) + (32)) >> 2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
+ } else if ((dst > 0) != (dstOffset == guessedOffset)) {
+ var nonDstOffset = Math.max(winterOffset, summerOffset);
+ var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
+ // Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
+ date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
+ }
+ HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay();
+ var yday = ydayFromDate(date) | 0;
+ HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
+ // To match expected behavior, update fields from date
+ HEAP32[((tmPtr) >> 2)] = date.getSeconds();
+ HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
+ HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours();
+ HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate();
+ HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth();
+ HEAP32[(((tmPtr) + (20)) >> 2)] = date.getYear();
+ var timeMs = date.getTime();
+ if (isNaN(timeMs)) {
+ return -1;
+ }
+ // Return time in microseconds
+ return timeMs / 1e3;
+ })();
+ return (setTempRet0((tempDouble = ret, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0)),
+ ret >>> 0);
+};
+
+function __mmap_js(len, prot, flags, fd, offset_low, offset_high, allocated, addr) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var res = FS.mmap(stream, len, offset, prot, flags);
+ var ptr = res.ptr;
+ HEAP32[((allocated) >> 2)] = res.allocated;
+ HEAPU32[((addr) >> 2)] = ptr;
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function __munmap_js(addr, len, prot, flags, fd, offset_low, offset_high) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ if (prot & 2) {
+ SYSCALLS.doMsync(addr, stream, len, flags, offset);
+ }
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var __tzset_js = (timezone, daylight, std_name, dst_name) => {
+ // TODO: Use (malleable) environment variables instead of system settings.
+ var currentYear = (new Date).getFullYear();
+ var winter = new Date(currentYear, 0, 1);
+ var summer = new Date(currentYear, 6, 1);
+ var winterOffset = winter.getTimezoneOffset();
+ var summerOffset = summer.getTimezoneOffset();
+ // Local standard timezone offset. Local standard time is not adjusted for
+ // daylight savings. This code uses the fact that getTimezoneOffset returns
+ // a greater value during Standard Time versus Daylight Saving Time (DST).
+ // Thus it determines the expected output during Standard Time, and it
+ // compares whether the output of the given date the same (Standard) or less
+ // (DST).
+ var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
+ // timezone is specified as seconds west of UTC ("The external variable
+ // `timezone` shall be set to the difference, in seconds, between
+ // Coordinated Universal Time (UTC) and local standard time."), the same
+ // as returned by stdTimezoneOffset.
+ // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
+ HEAPU32[((timezone) >> 2)] = stdTimezoneOffset * 60;
+ HEAP32[((daylight) >> 2)] = Number(winterOffset != summerOffset);
+ var extractZone = timezoneOffset => {
+ // Why inverse sign?
+ // Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset
+ var sign = timezoneOffset >= 0 ? "-" : "+";
+ var absOffset = Math.abs(timezoneOffset);
+ var hours = String(Math.floor(absOffset / 60)).padStart(2, "0");
+ var minutes = String(absOffset % 60).padStart(2, "0");
+ return `UTC${sign}${hours}${minutes}`;
+ };
+ var winterName = extractZone(winterOffset);
+ var summerName = extractZone(summerOffset);
+ if (summerOffset < winterOffset) {
+ // Northern hemisphere
+ stringToUTF8(winterName, std_name, 17);
+ stringToUTF8(summerName, dst_name, 17);
+ } else {
+ stringToUTF8(winterName, dst_name, 17);
+ stringToUTF8(summerName, std_name, 17);
+ }
+};
+
+var _emscripten_get_now = () => performance.now();
+
+var _emscripten_date_now = () => Date.now();
+
+var nowIsMonotonic = 1;
+
+var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3;
+
+function _clock_time_get(clk_id, ignored_precision_low, ignored_precision_high, ptime) {
+ var ignored_precision = convertI32PairToI53Checked(ignored_precision_low, ignored_precision_high);
+ if (!checkWasiClock(clk_id)) {
+ return 28;
+ }
+ var now;
+ // all wasi clocks but realtime are monotonic
+ if (clk_id === 0) {
+ now = _emscripten_date_now();
+ } else if (nowIsMonotonic) {
+ now = _emscripten_get_now();
+ } else {
+ return 52;
+ }
+ // "now" is in ms, and wasi times are in ns.
+ var nsec = Math.round(now * 1e3 * 1e3);
+ (tempI64 = [ nsec >>> 0, (tempDouble = nsec, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[((ptime) >> 2)] = tempI64[0], HEAP32[(((ptime) + (4)) >> 2)] = tempI64[1]);
+ return 0;
+}
+
+var readEmAsmArgsArray = [];
+
+var readEmAsmArgs = (sigPtr, buf) => {
+ readEmAsmArgsArray.length = 0;
+ var ch;
+ // Most arguments are i32s, so shift the buffer pointer so it is a plain
+ // index into HEAP32.
+ while (ch = HEAPU8[sigPtr++]) {
+ // Floats are always passed as doubles, so all types except for 'i'
+ // are 8 bytes and require alignment.
+ var wide = (ch != 105);
+ wide &= (ch != 112);
+ buf += wide && (buf % 8) ? 4 : 0;
+ readEmAsmArgsArray.push(// Special case for pointers under wasm64 or CAN_ADDRESS_2GB mode.
+ ch == 112 ? HEAPU32[((buf) >> 2)] : ch == 105 ? HEAP32[((buf) >> 2)] : HEAPF64[((buf) >> 3)]);
+ buf += wide ? 8 : 4;
+ }
+ return readEmAsmArgsArray;
+};
+
+var runEmAsmFunction = (code, sigPtr, argbuf) => {
+ var args = readEmAsmArgs(sigPtr, argbuf);
+ return ASM_CONSTS[code](...args);
+};
+
+var _emscripten_asm_const_int = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
+
+var _emscripten_asm_const_ptr = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
+
+var _emscripten_errn = (str, len) => err(UTF8ToString(str, len));
+
+var getHeapMax = () => // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
+// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
+// for any code that deals with heap sizes, which would require special
+// casing all heap size related code to treat 0 specially.
+2147483648;
+
+var _emscripten_get_heap_max = () => getHeapMax();
+
+var _emscripten_has_asyncify = () => 0;
+
+var _emscripten_outn = (str, len) => out(UTF8ToString(str, len));
+
+var UNWIND_CACHE = {};
+
+var stringToNewUTF8 = str => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = _malloc(size);
+ if (ret) stringToUTF8(str, ret, size);
+ return ret;
+};
+
+/** @returns {number} */ var convertFrameToPC = frame => {
+ var match;
+ if (match = /\bwasm-function\[\d+\]:(0x[0-9a-f]+)/.exec(frame)) {
+ // Wasm engines give the binary offset directly, so we use that as return address
+ return +match[1];
+ } else if (match = /:(\d+):\d+(?:\)|$)/.exec(frame)) {
+ // If we are in js, we can use the js line number as the "return address".
+ // This should work for wasm2js. We tag the high bit to distinguish this
+ // from wasm addresses.
+ return 2147483648 | +match[1];
+ }
+ // return 0 if we can't find any
+ return 0;
+};
+
+var saveInUnwindCache = callstack => {
+ for (var line of callstack) {
+ var pc = convertFrameToPC(line);
+ if (pc) {
+ UNWIND_CACHE[pc] = line;
+ }
+ }
+};
+
+var jsStackTrace = () => (new Error).stack.toString();
+
+var _emscripten_stack_snapshot = () => {
+ var callstack = jsStackTrace().split("\n");
+ if (callstack[0] == "Error") {
+ callstack.shift();
+ }
+ saveInUnwindCache(callstack);
+ // Caches the stack snapshot so that emscripten_stack_unwind_buffer() can
+ // unwind from this spot.
+ UNWIND_CACHE.last_addr = convertFrameToPC(callstack[3]);
+ UNWIND_CACHE.last_stack = callstack;
+ return UNWIND_CACHE.last_addr;
+};
+
+var _emscripten_pc_get_function = pc => {
+ var frame = UNWIND_CACHE[pc];
+ if (!frame) return 0;
+ var name;
+ var match;
+ // First try to match foo.wasm.sym files explcitly. e.g.
+ // at test_return_address.wasm.main (wasm://wasm/test_return_address.wasm-0012cc2a:wasm-function[26]:0x9f3
+ // Then match JS symbols which don't include that module name:
+ // at invokeEntryPoint (.../test_return_address.js:1500:42)
+ // Finally match firefox format:
+ // Object._main@http://server.com:4324:12'
+ if (match = /^\s+at .*\.wasm\.(.*) \(.*\)$/.exec(frame)) {
+ name = match[1];
+ } else if (match = /^\s+at (.*) \(.*\)$/.exec(frame)) {
+ name = match[1];
+ } else if (match = /^(.+?)@/.exec(frame)) {
+ name = match[1];
+ } else {
+ return 0;
+ }
+ _free(_emscripten_pc_get_function.ret ?? 0);
+ _emscripten_pc_get_function.ret = stringToNewUTF8(name);
+ return _emscripten_pc_get_function.ret;
+};
+
+var growMemory = size => {
+ var oldHeapSize = wasmMemory.buffer.byteLength;
+ var pages = ((size - oldHeapSize + 65535) / 65536) | 0;
+ try {
+ // round size grow request up to wasm page size (fixed 64KB per spec)
+ wasmMemory.grow(pages);
+ // .grow() takes a delta compared to the previous size
+ updateMemoryViews();
+ return 1;
+ } catch (e) {}
+};
+
+var _emscripten_resize_heap = requestedSize => {
+ var oldSize = HEAPU8.length;
+ // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
+ requestedSize >>>= 0;
+ // With multithreaded builds, races can happen (another thread might increase the size
+ // in between), so return a failure, and let the caller retry.
+ // Memory resize rules:
+ // 1. Always increase heap size to at least the requested size, rounded up
+ // to next page multiple.
+ // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
+ // geometrically: increase the heap size according to
+ // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
+ // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
+ // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
+ // linearly: increase the heap size by at least
+ // MEMORY_GROWTH_LINEAR_STEP bytes.
+ // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
+ // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
+ // 4. If we were unable to allocate as much memory, it may be due to
+ // over-eager decision to excessively reserve due to (3) above.
+ // Hence if an allocation fails, cut down on the amount of excess
+ // growth, in an attempt to succeed to perform a smaller allocation.
+ // A limit is set for how much we can grow. We should not exceed that
+ // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
+ var maxHeapSize = getHeapMax();
+ if (requestedSize > maxHeapSize) {
+ return false;
+ }
+ // Loop through potential heap size increases. If we attempt a too eager
+ // reservation that fails, cut down on the attempted size and reserve a
+ // smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
+ for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
+ var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
+ // ensure geometric growth
+ // but limit overreserving (default to capping at +96MB overgrowth at most)
+ overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
+ var newSize = Math.min(maxHeapSize, alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536));
+ var replacement = growMemory(newSize);
+ if (replacement) {
+ return true;
+ }
+ }
+ return false;
+};
+
+var _emscripten_stack_unwind_buffer = (addr, buffer, count) => {
+ var stack;
+ if (UNWIND_CACHE.last_addr == addr) {
+ stack = UNWIND_CACHE.last_stack;
+ } else {
+ stack = jsStackTrace().split("\n");
+ if (stack[0] == "Error") {
+ stack.shift();
+ }
+ saveInUnwindCache(stack);
+ }
+ var offset = 3;
+ while (stack[offset] && convertFrameToPC(stack[offset]) != addr) {
+ ++offset;
+ }
+ for (var i = 0; i < count && stack[i + offset]; ++i) {
+ HEAP32[(((buffer) + (i * 4)) >> 2)] = convertFrameToPC(stack[i + offset]);
+ }
+ return i;
+};
+
+var GLctx;
+
+var webgl_enable_ANGLE_instanced_arrays = ctx => {
+ // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
+ var ext = ctx.getExtension("ANGLE_instanced_arrays");
+ // Because this extension is a core function in WebGL 2, assign the extension entry points in place of
+ // where the core functions will reside in WebGL 2. This way the calling code can call these without
+ // having to dynamically branch depending if running against WebGL 1 or WebGL 2.
+ if (ext) {
+ ctx["vertexAttribDivisor"] = (index, divisor) => ext["vertexAttribDivisorANGLE"](index, divisor);
+ ctx["drawArraysInstanced"] = (mode, first, count, primcount) => ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
+ ctx["drawElementsInstanced"] = (mode, count, type, indices, primcount) => ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
+ return 1;
+ }
+};
+
+var webgl_enable_OES_vertex_array_object = ctx => {
+ // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
+ var ext = ctx.getExtension("OES_vertex_array_object");
+ if (ext) {
+ ctx["createVertexArray"] = () => ext["createVertexArrayOES"]();
+ ctx["deleteVertexArray"] = vao => ext["deleteVertexArrayOES"](vao);
+ ctx["bindVertexArray"] = vao => ext["bindVertexArrayOES"](vao);
+ ctx["isVertexArray"] = vao => ext["isVertexArrayOES"](vao);
+ return 1;
+ }
+};
+
+var webgl_enable_WEBGL_draw_buffers = ctx => {
+ // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
+ var ext = ctx.getExtension("WEBGL_draw_buffers");
+ if (ext) {
+ ctx["drawBuffers"] = (n, bufs) => ext["drawBuffersWEBGL"](n, bufs);
+ return 1;
+ }
+};
+
+var webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance = ctx => // Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted.
+!!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
+
+var webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance = ctx => !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
+
+var webgl_enable_EXT_polygon_offset_clamp = ctx => !!(ctx.extPolygonOffsetClamp = ctx.getExtension("EXT_polygon_offset_clamp"));
+
+var webgl_enable_EXT_clip_control = ctx => !!(ctx.extClipControl = ctx.getExtension("EXT_clip_control"));
+
+var webgl_enable_WEBGL_polygon_mode = ctx => !!(ctx.webglPolygonMode = ctx.getExtension("WEBGL_polygon_mode"));
+
+var webgl_enable_WEBGL_multi_draw = ctx => // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
+!!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
+
+var getEmscriptenSupportedExtensions = ctx => {
+ // Restrict the list of advertised extensions to those that we actually
+ // support.
+ var supportedExtensions = [ // WebGL 1 extensions
+ "ANGLE_instanced_arrays", "EXT_blend_minmax", "EXT_disjoint_timer_query", "EXT_frag_depth", "EXT_shader_texture_lod", "EXT_sRGB", "OES_element_index_uint", "OES_fbo_render_mipmap", "OES_standard_derivatives", "OES_texture_float", "OES_texture_half_float", "OES_texture_half_float_linear", "OES_vertex_array_object", "WEBGL_color_buffer_float", "WEBGL_depth_texture", "WEBGL_draw_buffers", // WebGL 2 extensions
+ "EXT_color_buffer_float", "EXT_conservative_depth", "EXT_disjoint_timer_query_webgl2", "EXT_texture_norm16", "NV_shader_noperspective_interpolation", "WEBGL_clip_cull_distance", // WebGL 1 and WebGL 2 extensions
+ "EXT_clip_control", "EXT_color_buffer_half_float", "EXT_depth_clamp", "EXT_float_blend", "EXT_polygon_offset_clamp", "EXT_texture_compression_bptc", "EXT_texture_compression_rgtc", "EXT_texture_filter_anisotropic", "KHR_parallel_shader_compile", "OES_texture_float_linear", "WEBGL_blend_func_extended", "WEBGL_compressed_texture_astc", "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_etc1", "WEBGL_compressed_texture_s3tc", "WEBGL_compressed_texture_s3tc_srgb", "WEBGL_debug_renderer_info", "WEBGL_debug_shaders", "WEBGL_lose_context", "WEBGL_multi_draw", "WEBGL_polygon_mode" ];
+ // .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
+ return (ctx.getSupportedExtensions() || []).filter(ext => supportedExtensions.includes(ext));
+};
+
+var registerPreMainLoop = f => {
+ // Does nothing unless $MainLoop is included/used.
+ typeof MainLoop != "undefined" && MainLoop.preMainLoop.push(f);
+};
+
+var GL = {
+ counter: 1,
+ buffers: [],
+ mappedBuffers: {},
+ programs: [],
+ framebuffers: [],
+ renderbuffers: [],
+ textures: [],
+ shaders: [],
+ vaos: [],
+ contexts: [],
+ offscreenCanvases: {},
+ queries: [],
+ samplers: [],
+ transformFeedbacks: [],
+ syncs: [],
+ byteSizeByTypeRoot: 5120,
+ byteSizeByType: [ 1, 1, 2, 2, 4, 4, 4, 2, 3, 4, 8 ],
+ stringCache: {},
+ stringiCache: {},
+ unpackAlignment: 4,
+ unpackRowLength: 0,
+ recordError: errorCode => {
+ if (!GL.lastError) {
+ GL.lastError = errorCode;
+ }
+ },
+ getNewId: table => {
+ var ret = GL.counter++;
+ for (var i = table.length; i < ret; i++) {
+ table[i] = null;
+ }
+ // Skip over any non-null elements that might have been created by
+ // glBindBuffer.
+ while (table[ret]) {
+ ret = GL.counter++;
+ }
+ return ret;
+ },
+ genObject: (n, buffers, createFunction, objectTable) => {
+ for (var i = 0; i < n; i++) {
+ var buffer = GLctx[createFunction]();
+ var id = buffer && GL.getNewId(objectTable);
+ if (buffer) {
+ buffer.name = id;
+ objectTable[id] = buffer;
+ } else {
+ GL.recordError(1282);
+ }
+ HEAP32[(((buffers) + (i * 4)) >> 2)] = id;
+ }
+ },
+ MAX_TEMP_BUFFER_SIZE: 2097152,
+ numTempVertexBuffersPerSize: 64,
+ log2ceilLookup: i => 32 - Math.clz32(i === 0 ? 0 : i - 1),
+ generateTempBuffers: (quads, context) => {
+ var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
+ context.tempVertexBufferCounters1 = [];
+ context.tempVertexBufferCounters2 = [];
+ context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex + 1;
+ context.tempVertexBuffers1 = [];
+ context.tempVertexBuffers2 = [];
+ context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex + 1;
+ context.tempIndexBuffers = [];
+ context.tempIndexBuffers.length = largestIndex + 1;
+ for (var i = 0; i <= largestIndex; ++i) {
+ context.tempIndexBuffers[i] = null;
+ // Created on-demand
+ context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
+ var ringbufferLength = GL.numTempVertexBuffersPerSize;
+ context.tempVertexBuffers1[i] = [];
+ context.tempVertexBuffers2[i] = [];
+ var ringbuffer1 = context.tempVertexBuffers1[i];
+ var ringbuffer2 = context.tempVertexBuffers2[i];
+ ringbuffer1.length = ringbuffer2.length = ringbufferLength;
+ for (var j = 0; j < ringbufferLength; ++j) {
+ ringbuffer1[j] = ringbuffer2[j] = null;
+ }
+ }
+ if (quads) {
+ // GL_QUAD indexes can be precalculated
+ context.tempQuadIndexBuffer = GLctx.createBuffer();
+ context.GLctx.bindBuffer(34963, context.tempQuadIndexBuffer);
+ var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
+ var quadIndexes = new Uint16Array(numIndexes);
+ var i = 0, v = 0;
+ while (1) {
+ quadIndexes[i++] = v;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 1;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 2;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 2;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 3;
+ if (i >= numIndexes) break;
+ v += 4;
+ }
+ context.GLctx.bufferData(34963, quadIndexes, 35044);
+ context.GLctx.bindBuffer(34963, null);
+ }
+ },
+ getTempVertexBuffer: sizeBytes => {
+ var idx = GL.log2ceilLookup(sizeBytes);
+ var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
+ var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
+ GL.currentContext.tempVertexBufferCounters1[idx] = (GL.currentContext.tempVertexBufferCounters1[idx] + 1) & (GL.numTempVertexBuffersPerSize - 1);
+ var vbo = ringbuffer[nextFreeBufferIndex];
+ if (vbo) {
+ return vbo;
+ }
+ var prevVBO = GLctx.getParameter(34964);
+ ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
+ GLctx.bindBuffer(34962, ringbuffer[nextFreeBufferIndex]);
+ GLctx.bufferData(34962, 1 << idx, 35048);
+ GLctx.bindBuffer(34962, prevVBO);
+ return ringbuffer[nextFreeBufferIndex];
+ },
+ getTempIndexBuffer: sizeBytes => {
+ var idx = GL.log2ceilLookup(sizeBytes);
+ var ibo = GL.currentContext.tempIndexBuffers[idx];
+ if (ibo) {
+ return ibo;
+ }
+ var prevIBO = GLctx.getParameter(34965);
+ GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
+ GLctx.bindBuffer(34963, GL.currentContext.tempIndexBuffers[idx]);
+ GLctx.bufferData(34963, 1 << idx, 35048);
+ GLctx.bindBuffer(34963, prevIBO);
+ return GL.currentContext.tempIndexBuffers[idx];
+ },
+ newRenderingFrameStarted: () => {
+ if (!GL.currentContext) {
+ return;
+ }
+ var vb = GL.currentContext.tempVertexBuffers1;
+ GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
+ GL.currentContext.tempVertexBuffers2 = vb;
+ vb = GL.currentContext.tempVertexBufferCounters1;
+ GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
+ GL.currentContext.tempVertexBufferCounters2 = vb;
+ var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
+ for (var i = 0; i <= largestIndex; ++i) {
+ GL.currentContext.tempVertexBufferCounters1[i] = 0;
+ }
+ },
+ getSource: (shader, count, string, length) => {
+ var source = "";
+ for (var i = 0; i < count; ++i) {
+ var len = length ? HEAPU32[(((length) + (i * 4)) >> 2)] : undefined;
+ source += UTF8ToString(HEAPU32[(((string) + (i * 4)) >> 2)], len);
+ }
+ return source;
+ },
+ calcBufLength: (size, type, stride, count) => {
+ if (stride > 0) {
+ return count * stride;
+ }
+ var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
+ return size * typeSize * count;
+ },
+ usedTempBuffers: [],
+ preDrawHandleClientVertexAttribBindings: count => {
+ GL.resetBufferBinding = false;
+ // TODO: initial pass to detect ranges we need to upload, might not need
+ // an upload per attrib
+ for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
+ var cb = GL.currentContext.clientBuffers[i];
+ if (!cb.clientside || !cb.enabled) continue;
+ GL.resetBufferBinding = true;
+ var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
+ var buf = GL.getTempVertexBuffer(size);
+ GLctx.bindBuffer(34962, buf);
+ GLctx.bufferSubData(34962, 0, HEAPU8.subarray(cb.ptr, cb.ptr + size));
+ cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
+ }
+ },
+ postDrawHandleClientVertexAttribBindings: () => {
+ if (GL.resetBufferBinding) {
+ GLctx.bindBuffer(34962, GL.buffers[GLctx.currentArrayBufferBinding]);
+ }
+ },
+ createContext: (/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
+ // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL
+ // context on a canvas, calling .getContext() will always return that
+ // context independent of which 'webgl' or 'webgl2'
+ // context version was passed. See:
+ // https://webkit.org/b/222758
+ // and:
+ // https://github.com/emscripten-core/emscripten/issues/13295.
+ // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari
+ // version field in above check.
+ if (!canvas.getContextSafariWebGL2Fixed) {
+ canvas.getContextSafariWebGL2Fixed = canvas.getContext;
+ /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ function fixedGetContext(ver, attrs) {
+ var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
+ return ((ver == "webgl") == (gl instanceof WebGLRenderingContext)) ? gl : null;
+ }
+ canvas.getContext = fixedGetContext;
+ }
+ var ctx = (webGLContextAttributes.majorVersion > 1) ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
+ if (!ctx) return 0;
+ var handle = GL.registerContext(ctx, webGLContextAttributes);
+ return handle;
+ },
+ registerContext: (ctx, webGLContextAttributes) => {
+ // without pthreads a context is just an integer ID
+ var handle = GL.getNewId(GL.contexts);
+ var context = {
+ handle,
+ attributes: webGLContextAttributes,
+ version: webGLContextAttributes.majorVersion,
+ GLctx: ctx
+ };
+ // Store the created context object so that we can access the context
+ // given a canvas without having to pass the parameters again.
+ if (ctx.canvas) ctx.canvas.GLctxObject = context;
+ GL.contexts[handle] = context;
+ if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
+ GL.initExtensions(context);
+ }
+ context.maxVertexAttribs = context.GLctx.getParameter(34921);
+ context.clientBuffers = [];
+ for (var i = 0; i < context.maxVertexAttribs; i++) {
+ context.clientBuffers[i] = {
+ enabled: false,
+ clientside: false,
+ size: 0,
+ type: 0,
+ normalized: 0,
+ stride: 0,
+ ptr: 0,
+ vertexAttribPointerAdaptor: null
+ };
+ }
+ GL.generateTempBuffers(false, context);
+ return handle;
+ },
+ makeContextCurrent: contextHandle => {
+ // Active Emscripten GL layer context object.
+ GL.currentContext = GL.contexts[contextHandle];
+ // Active WebGL context object.
+ Module["ctx"] = GLctx = GL.currentContext?.GLctx;
+ return !(contextHandle && !GLctx);
+ },
+ getContext: contextHandle => GL.contexts[contextHandle],
+ deleteContext: contextHandle => {
+ if (GL.currentContext === GL.contexts[contextHandle]) {
+ GL.currentContext = null;
+ }
+ if (typeof JSEvents == "object") {
+ // Release all JS event handlers on the DOM element that the GL context is
+ // associated with since the context is now deleted.
+ JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
+ }
+ // Make sure the canvas object no longer refers to the context object so
+ // there are no GC surprises.
+ if (GL.contexts[contextHandle]?.GLctx.canvas) {
+ GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
+ }
+ GL.contexts[contextHandle] = null;
+ },
+ initExtensions: context => {
+ // If this function is called without a specific context object, init the
+ // extensions of the currently active context.
+ context ||= GL.currentContext;
+ if (context.initExtensionsDone) return;
+ context.initExtensionsDone = true;
+ var GLctx = context.GLctx;
+ // Detect the presence of a few extensions manually, since the GL interop
+ // layer itself will need to know if they exist.
+ // Extensions that are available in both WebGL 1 and WebGL 2
+ webgl_enable_WEBGL_multi_draw(GLctx);
+ webgl_enable_EXT_polygon_offset_clamp(GLctx);
+ webgl_enable_EXT_clip_control(GLctx);
+ webgl_enable_WEBGL_polygon_mode(GLctx);
+ // Extensions that are only available in WebGL 1 (the calls will be no-ops
+ // if called on a WebGL 2 context active)
+ webgl_enable_ANGLE_instanced_arrays(GLctx);
+ webgl_enable_OES_vertex_array_object(GLctx);
+ webgl_enable_WEBGL_draw_buffers(GLctx);
+ // Extensions that are available from WebGL >= 2 (no-op if called on a WebGL 1 context active)
+ webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
+ webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
+ // On WebGL 2, EXT_disjoint_timer_query is replaced with an alternative
+ // that's based on core APIs, and exposes only the queryCounterEXT()
+ // entrypoint.
+ if (context.version >= 2) {
+ GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
+ }
+ // However, Firefox exposes the WebGL 1 version on WebGL 2 as well and
+ // thus we look for the WebGL 1 version again if the WebGL 2 version
+ // isn't present. https://bugzil.la/1328882
+ if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
+ GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
+ }
+ for (var ext of getEmscriptenSupportedExtensions(GLctx)) {
+ // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders
+ // are not enabled by default.
+ if (!ext.includes("lose_context") && !ext.includes("debug")) {
+ // Call .getExtension() to enable that extension permanently.
+ GLctx.getExtension(ext);
+ }
+ }
+ }
+};
+
+var webglPowerPreferences = [ "default", "low-power", "high-performance" ];
+
+/** @type {Object} */ var specialHTMLTargets = [ 0, globalThis.document ?? 0, globalThis.window ?? 0 ];
+
+var findEventTarget = target => {
+ // The sensible "default" target varies between events, but use window as the default
+ // since DOM events mostly can default to that. Specific callback registrations
+ // override their own defaults.
+ if (!target) return window;
+ if (typeof target == "number") target = specialHTMLTargets[target] || UTF8ToString(target);
+ if (target === "#window") return window; else if (target === "#document") return document; else if (target === "#screen") return screen; else if (target === "#canvas") return Module["canvas"]; else if (typeof target == "string") return globalThis.document?.getElementById(target);
+ return target;
+};
+
+var findCanvasEventTarget = target => {
+ if (typeof target == "number") target = UTF8ToString(target);
+ if (!target || target === "#canvas") {
+ if (typeof GL != "undefined" && GL.offscreenCanvases["canvas"]) return GL.offscreenCanvases["canvas"];
+ // TODO: Remove this line, target '#canvas' should refer only to Module['canvas'], not to GL.offscreenCanvases['canvas'] - but need stricter tests to be able to remove this line.
+ return Module["canvas"];
+ }
+ if (typeof GL != "undefined" && GL.offscreenCanvases[target]) return GL.offscreenCanvases[target];
+ return findEventTarget(target);
+};
+
+var _emscripten_webgl_do_create_context = (target, attributes) => {
+ var attr32 = ((attributes) >> 2);
+ var powerPreference = HEAP32[attr32 + (8 >> 2)];
+ var contextAttributes = {
+ "alpha": !!HEAP8[attributes + 0],
+ "depth": !!HEAP8[attributes + 1],
+ "stencil": !!HEAP8[attributes + 2],
+ "antialias": !!HEAP8[attributes + 3],
+ "premultipliedAlpha": !!HEAP8[attributes + 4],
+ "preserveDrawingBuffer": !!HEAP8[attributes + 5],
+ "powerPreference": webglPowerPreferences[powerPreference],
+ "failIfMajorPerformanceCaveat": !!HEAP8[attributes + 12],
+ // The following are not predefined WebGL context attributes in the WebGL specification, so the property names can be minified by Closure.
+ majorVersion: HEAP32[attr32 + (16 >> 2)],
+ minorVersion: HEAP32[attr32 + (20 >> 2)],
+ enableExtensionsByDefault: HEAP8[attributes + 24],
+ explicitSwapControl: HEAP8[attributes + 25],
+ proxyContextToMainThread: HEAP32[attr32 + (28 >> 2)],
+ renderViaOffscreenBackBuffer: HEAP8[attributes + 32]
+ };
+ var canvas = findCanvasEventTarget(target);
+ if (!canvas) {
+ return 0;
+ }
+ if (contextAttributes.explicitSwapControl) {
+ return 0;
+ }
+ var contextHandle = GL.createContext(canvas, contextAttributes);
+ return contextHandle;
+};
+
+var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;
+
+var _emscripten_webgl_destroy_context = contextHandle => {
+ if (GL.currentContext == contextHandle) GL.currentContext = 0;
+ GL.deleteContext(contextHandle);
+};
+
+var _emscripten_webgl_get_context_attributes = (c, a) => {
+ if (!a) return -5;
+ c = GL.contexts[c];
+ if (!c) return -3;
+ var t = c.GLctx?.getContextAttributes();
+ if (!t) return -3;
+ HEAP8[a] = t.alpha;
+ HEAP8[(a) + (1)] = t.depth;
+ HEAP8[(a) + (2)] = t.stencil;
+ HEAP8[(a) + (3)] = t.antialias;
+ HEAP8[(a) + (4)] = t.premultipliedAlpha;
+ HEAP8[(a) + (5)] = t.preserveDrawingBuffer;
+ var power = t["powerPreference"] && webglPowerPreferences.indexOf(t["powerPreference"]);
+ HEAP32[(((a) + (8)) >> 2)] = power;
+ HEAP8[(a) + (12)] = t.failIfMajorPerformanceCaveat;
+ HEAP32[(((a) + (16)) >> 2)] = c.version;
+ HEAP32[(((a) + (20)) >> 2)] = 0;
+ HEAP8[(a) + (24)] = c.attributes.enableExtensionsByDefault;
+ return 0;
+};
+
+var _emscripten_webgl_do_get_current_context = () => GL.currentContext ? GL.currentContext.handle : 0;
+
+var _emscripten_webgl_get_current_context = _emscripten_webgl_do_get_current_context;
+
+var _emscripten_webgl_make_context_current = contextHandle => {
+ var success = GL.makeContextCurrent(contextHandle);
+ return success ? 0 : -5;
+};
+
+var stackAlloc = sz => __emscripten_stack_alloc(sz);
+
+var stringToUTF8OnStack = str => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = stackAlloc(size);
+ stringToUTF8(str, ret, size);
+ return ret;
+};
+
+var writeI53ToI64 = (ptr, num) => {
+ HEAPU32[((ptr) >> 2)] = num;
+ var lower = HEAPU32[((ptr) >> 2)];
+ HEAPU32[(((ptr) + (4)) >> 2)] = (num - lower) / 4294967296;
+};
+
+var readI53FromI64 = ptr => HEAPU32[((ptr) >> 2)] + HEAP32[(((ptr) + (4)) >> 2)] * 4294967296;
+
+var wasmTableMirror = [];
+
+var getWasmTableEntry = funcPtr => {
+ var func = wasmTableMirror[funcPtr];
+ if (!func) {
+ /** @suppress {checkTypes} */ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
+ }
+ return func;
+};
+
+var WebGPU = {
+ Internals: {
+ jsObjects: [],
+ jsObjectInsert: (ptr, jsObject) => {
+ ptr >>>= 0;
+ WebGPU.Internals.jsObjects[ptr] = jsObject;
+ },
+ bufferOnUnmaps: [],
+ futures: [],
+ futureInsert: (futureId, promise) => {}
+ },
+ getJsObject: ptr => {
+ if (!ptr) return undefined;
+ ptr >>>= 0;
+ return WebGPU.Internals.jsObjects[ptr];
+ },
+ importJsAdapter: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateAdapter(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsBindGroup: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateBindGroup(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsBindGroupLayout: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateBindGroupLayout(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsBuffer: (buffer, parentPtr = 0) => {
+ // At the moment, we do not allow importing pending buffers.
+ assert(buffer.mapState === "unmapped");
+ var bufferPtr = _emwgpuImportBuffer(parentPtr);
+ WebGPU.Internals.jsObjectInsert(bufferPtr, buffer);
+ return bufferPtr;
+ },
+ importJsCommandBuffer: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateCommandBuffer(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsCommandEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateCommandEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsComputePassEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateComputePassEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsComputePipeline: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateComputePipeline(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsDevice: (device, parentPtr = 0) => {
+ var queuePtr = _emwgpuCreateQueue(parentPtr);
+ var devicePtr = _emwgpuCreateDevice(parentPtr, queuePtr);
+ WebGPU.Internals.jsObjectInsert(queuePtr, device.queue);
+ WebGPU.Internals.jsObjectInsert(devicePtr, device);
+ return devicePtr;
+ },
+ importJsExternalTexture: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateExternalTexture(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsPipelineLayout: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreatePipelineLayout(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsQuerySet: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateQuerySet(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsQueue: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateQueue(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderBundle: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderBundle(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderBundleEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderBundleEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderPassEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderPassEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderPipeline: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderPipeline(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsSampler: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateSampler(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsShaderModule: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateShaderModule(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsSurface: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateSurface(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsTexture: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateTexture(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsTextureView: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateTextureView(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ errorCallback: (callback, type, message, userdata) => {
+ var sp = stackSave();
+ var messagePtr = stringToUTF8OnStack(message);
+ getWasmTableEntry(callback)(type, messagePtr, userdata);
+ stackRestore(sp);
+ },
+ iterateExtensions: (root, handlers) => {
+ for (var ptr = HEAPU32[((root) >> 2)]; ptr; ptr = HEAPU32[((ptr) >> 2)]) {
+ var sType = HEAP32[(((ptr) + (4)) >> 2)];
+ // This will crash if there's no handler indicating either a bogus
+ // sType, or one we haven't implemented yet.
+ var handler = handlers[sType](ptr);
+ }
+ },
+ setStringView: (ptr, data, length) => {
+ HEAPU32[((ptr) >> 2)] = data;
+ HEAPU32[(((ptr) + (4)) >> 2)] = length;
+ },
+ makeStringFromStringView: stringViewPtr => {
+ var ptr = HEAPU32[((stringViewPtr) >> 2)];
+ var length = HEAPU32[(((stringViewPtr) + (4)) >> 2)];
+ // UTF8ToString stops at the first null terminator character in the
+ // string regardless of the length.
+ return UTF8ToString(ptr, length);
+ },
+ makeStringFromOptionalStringView: stringViewPtr => {
+ var ptr = HEAPU32[((stringViewPtr) >> 2)];
+ var length = HEAPU32[(((stringViewPtr) + (4)) >> 2)];
+ // If we don't have a valid string pointer, just return undefined when
+ // optional.
+ if (!ptr) {
+ if (length === 0) {
+ return "";
+ }
+ return undefined;
+ }
+ // UTF8ToString stops at the first null terminator character in the
+ // string regardless of the length.
+ return UTF8ToString(ptr, length);
+ },
+ makeColor: ptr => ({
+ "r": HEAPF64[((ptr) >> 3)],
+ "g": HEAPF64[(((ptr) + (8)) >> 3)],
+ "b": HEAPF64[(((ptr) + (16)) >> 3)],
+ "a": HEAPF64[(((ptr) + (24)) >> 3)]
+ }),
+ makeExtent3D: ptr => ({
+ "width": HEAPU32[((ptr) >> 2)],
+ "height": HEAPU32[(((ptr) + (4)) >> 2)],
+ "depthOrArrayLayers": HEAPU32[(((ptr) + (8)) >> 2)]
+ }),
+ makeOrigin3D: ptr => ({
+ "x": HEAPU32[((ptr) >> 2)],
+ "y": HEAPU32[(((ptr) + (4)) >> 2)],
+ "z": HEAPU32[(((ptr) + (8)) >> 2)]
+ }),
+ makeTexelCopyTextureInfo: ptr => ({
+ "texture": WebGPU.getJsObject(HEAPU32[((ptr) >> 2)]),
+ "mipLevel": HEAPU32[(((ptr) + (4)) >> 2)],
+ "origin": WebGPU.makeOrigin3D(ptr + 8),
+ "aspect": WebGPU.TextureAspect[HEAP32[(((ptr) + (20)) >> 2)]]
+ }),
+ makeTexelCopyBufferLayout: ptr => {
+ var bytesPerRow = HEAPU32[(((ptr) + (8)) >> 2)];
+ var rowsPerImage = HEAPU32[(((ptr) + (12)) >> 2)];
+ return {
+ "offset": readI53FromI64(ptr),
+ "bytesPerRow": bytesPerRow === 4294967295 ? undefined : bytesPerRow,
+ "rowsPerImage": rowsPerImage === 4294967295 ? undefined : rowsPerImage
+ };
+ },
+ makeTexelCopyBufferInfo: ptr => {
+ var layoutPtr = ptr + 0;
+ var bufferCopyView = WebGPU.makeTexelCopyBufferLayout(layoutPtr);
+ bufferCopyView["buffer"] = WebGPU.getJsObject(HEAPU32[(((ptr) + (16)) >> 2)]);
+ return bufferCopyView;
+ },
+ makePassTimestampWrites: ptr => {
+ if (ptr === 0) return undefined;
+ return {
+ "querySet": WebGPU.getJsObject(HEAPU32[(((ptr) + (4)) >> 2)]),
+ "beginningOfPassWriteIndex": HEAPU32[(((ptr) + (8)) >> 2)],
+ "endOfPassWriteIndex": HEAPU32[(((ptr) + (12)) >> 2)]
+ };
+ },
+ makePipelineConstants: (constantCount, constantsPtr) => {
+ if (!constantCount) return;
+ var constants = {};
+ for (var i = 0; i < constantCount; ++i) {
+ var entryPtr = constantsPtr + 24 * i;
+ var key = WebGPU.makeStringFromStringView(entryPtr + 4);
+ constants[key] = HEAPF64[(((entryPtr) + (16)) >> 3)];
+ }
+ return constants;
+ },
+ makePipelineLayout: layoutPtr => {
+ if (!layoutPtr) return "auto";
+ return WebGPU.getJsObject(layoutPtr);
+ },
+ makeComputeState: ptr => {
+ if (!ptr) return undefined;
+ var desc = {
+ "module": WebGPU.getJsObject(HEAPU32[(((ptr) + (4)) >> 2)]),
+ "constants": WebGPU.makePipelineConstants(HEAPU32[(((ptr) + (16)) >> 2)], HEAPU32[(((ptr) + (20)) >> 2)]),
+ "entryPoint": WebGPU.makeStringFromOptionalStringView(ptr + 8)
+ };
+ return desc;
+ },
+ makeComputePipelineDesc: descriptor => {
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "layout": WebGPU.makePipelineLayout(HEAPU32[(((descriptor) + (12)) >> 2)]),
+ "compute": WebGPU.makeComputeState(descriptor + 16)
+ };
+ return desc;
+ },
+ makeRenderPipelineDesc: descriptor => {
+ function makePrimitiveState(psPtr) {
+ if (!psPtr) return undefined;
+ return {
+ "topology": WebGPU.PrimitiveTopology[HEAP32[(((psPtr) + (4)) >> 2)]],
+ "stripIndexFormat": WebGPU.IndexFormat[HEAP32[(((psPtr) + (8)) >> 2)]],
+ "frontFace": WebGPU.FrontFace[HEAP32[(((psPtr) + (12)) >> 2)]],
+ "cullMode": WebGPU.CullMode[HEAP32[(((psPtr) + (16)) >> 2)]],
+ "unclippedDepth": !!(HEAPU32[(((psPtr) + (20)) >> 2)])
+ };
+ }
+ function makeBlendComponent(bdPtr) {
+ if (!bdPtr) return undefined;
+ return {
+ "operation": WebGPU.BlendOperation[HEAP32[((bdPtr) >> 2)]],
+ "srcFactor": WebGPU.BlendFactor[HEAP32[(((bdPtr) + (4)) >> 2)]],
+ "dstFactor": WebGPU.BlendFactor[HEAP32[(((bdPtr) + (8)) >> 2)]]
+ };
+ }
+ function makeBlendState(bsPtr) {
+ if (!bsPtr) return undefined;
+ return {
+ "alpha": makeBlendComponent(bsPtr + 12),
+ "color": makeBlendComponent(bsPtr + 0)
+ };
+ }
+ function makeColorState(csPtr) {
+ var format = WebGPU.TextureFormat[HEAP32[(((csPtr) + (4)) >> 2)]];
+ return format ? {
+ "format": format,
+ "blend": makeBlendState(HEAPU32[(((csPtr) + (8)) >> 2)]),
+ "writeMask": HEAPU32[(((csPtr) + (16)) >> 2)]
+ } : undefined;
+ }
+ function makeColorStates(count, csArrayPtr) {
+ var states = [];
+ for (var i = 0; i < count; ++i) {
+ states.push(makeColorState(csArrayPtr + 24 * i));
+ }
+ return states;
+ }
+ function makeStencilStateFace(ssfPtr) {
+ return {
+ "compare": WebGPU.CompareFunction[HEAP32[((ssfPtr) >> 2)]],
+ "failOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (4)) >> 2)]],
+ "depthFailOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (8)) >> 2)]],
+ "passOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (12)) >> 2)]]
+ };
+ }
+ function makeDepthStencilState(dssPtr) {
+ if (!dssPtr) return undefined;
+ return {
+ "format": WebGPU.TextureFormat[HEAP32[(((dssPtr) + (4)) >> 2)]],
+ "depthWriteEnabled": !!(HEAPU32[(((dssPtr) + (8)) >> 2)]),
+ "depthCompare": WebGPU.CompareFunction[HEAP32[(((dssPtr) + (12)) >> 2)]],
+ "stencilFront": makeStencilStateFace(dssPtr + 16),
+ "stencilBack": makeStencilStateFace(dssPtr + 32),
+ "stencilReadMask": HEAPU32[(((dssPtr) + (48)) >> 2)],
+ "stencilWriteMask": HEAPU32[(((dssPtr) + (52)) >> 2)],
+ "depthBias": HEAP32[(((dssPtr) + (56)) >> 2)],
+ "depthBiasSlopeScale": HEAPF32[(((dssPtr) + (60)) >> 2)],
+ "depthBiasClamp": HEAPF32[(((dssPtr) + (64)) >> 2)]
+ };
+ }
+ function makeVertexAttribute(vaPtr) {
+ return {
+ "format": WebGPU.VertexFormat[HEAP32[(((vaPtr) + (4)) >> 2)]],
+ "offset": readI53FromI64((vaPtr) + (8)),
+ "shaderLocation": HEAPU32[(((vaPtr) + (16)) >> 2)]
+ };
+ }
+ function makeVertexAttributes(count, vaArrayPtr) {
+ var vas = [];
+ for (var i = 0; i < count; ++i) {
+ vas.push(makeVertexAttribute(vaArrayPtr + i * 24));
+ }
+ return vas;
+ }
+ function makeVertexBuffer(vbPtr) {
+ if (!vbPtr) return undefined;
+ var stepMode = WebGPU.VertexStepMode[HEAP32[(((vbPtr) + (4)) >> 2)]];
+ var attributeCount = HEAPU32[(((vbPtr) + (16)) >> 2)];
+ if (!stepMode && !attributeCount) {
+ return null;
+ }
+ return {
+ "arrayStride": readI53FromI64((vbPtr) + (8)),
+ "stepMode": stepMode,
+ "attributes": makeVertexAttributes(attributeCount, HEAPU32[(((vbPtr) + (20)) >> 2)])
+ };
+ }
+ function makeVertexBuffers(count, vbArrayPtr) {
+ if (!count) return undefined;
+ var vbs = [];
+ for (var i = 0; i < count; ++i) {
+ vbs.push(makeVertexBuffer(vbArrayPtr + i * 24));
+ }
+ return vbs;
+ }
+ function makeVertexState(viPtr) {
+ if (!viPtr) return undefined;
+ var desc = {
+ "module": WebGPU.getJsObject(HEAPU32[(((viPtr) + (4)) >> 2)]),
+ "constants": WebGPU.makePipelineConstants(HEAPU32[(((viPtr) + (16)) >> 2)], HEAPU32[(((viPtr) + (20)) >> 2)]),
+ "buffers": makeVertexBuffers(HEAPU32[(((viPtr) + (24)) >> 2)], HEAPU32[(((viPtr) + (28)) >> 2)]),
+ "entryPoint": WebGPU.makeStringFromOptionalStringView(viPtr + 8)
+ };
+ return desc;
+ }
+ function makeMultisampleState(msPtr) {
+ if (!msPtr) return undefined;
+ return {
+ "count": HEAPU32[(((msPtr) + (4)) >> 2)],
+ "mask": HEAPU32[(((msPtr) + (8)) >> 2)],
+ "alphaToCoverageEnabled": !!(HEAPU32[(((msPtr) + (12)) >> 2)])
+ };
+ }
+ function makeFragmentState(fsPtr) {
+ if (!fsPtr) return undefined;
+ var desc = {
+ "module": WebGPU.getJsObject(HEAPU32[(((fsPtr) + (4)) >> 2)]),
+ "constants": WebGPU.makePipelineConstants(HEAPU32[(((fsPtr) + (16)) >> 2)], HEAPU32[(((fsPtr) + (20)) >> 2)]),
+ "targets": makeColorStates(HEAPU32[(((fsPtr) + (24)) >> 2)], HEAPU32[(((fsPtr) + (28)) >> 2)]),
+ "entryPoint": WebGPU.makeStringFromOptionalStringView(fsPtr + 8)
+ };
+ return desc;
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "layout": WebGPU.makePipelineLayout(HEAPU32[(((descriptor) + (12)) >> 2)]),
+ "vertex": makeVertexState(descriptor + 16),
+ "primitive": makePrimitiveState(descriptor + 48),
+ "depthStencil": makeDepthStencilState(HEAPU32[(((descriptor) + (72)) >> 2)]),
+ "multisample": makeMultisampleState(descriptor + 76),
+ "fragment": makeFragmentState(HEAPU32[(((descriptor) + (92)) >> 2)])
+ };
+ return desc;
+ },
+ fillLimitStruct: (limits, limitsOutPtr) => {
+ var nextInChainPtr = HEAPU32[((limitsOutPtr) >> 2)];
+ function setLimitValueU32(name, basePtr, limitOffset, fallbackValue = 0) {
+ var limitValue = limits[name] ?? fallbackValue;
+ HEAPU32[(((basePtr) + (limitOffset)) >> 2)] = limitValue;
+ }
+ function setLimitValueU64(name, basePtr, limitOffset, fallbackValue = 0) {
+ var limitValue = limits[name] ?? fallbackValue;
+ // Limits are integer-valued JS `Number`s, so they fit in 'i53'.
+ writeI53ToI64((basePtr) + (limitOffset), limitValue);
+ }
+ setLimitValueU32("maxTextureDimension1D", limitsOutPtr, 4);
+ setLimitValueU32("maxTextureDimension2D", limitsOutPtr, 8);
+ setLimitValueU32("maxTextureDimension3D", limitsOutPtr, 12);
+ setLimitValueU32("maxTextureArrayLayers", limitsOutPtr, 16);
+ setLimitValueU32("maxBindGroups", limitsOutPtr, 20);
+ setLimitValueU32("maxBindGroupsPlusVertexBuffers", limitsOutPtr, 24);
+ setLimitValueU32("maxBindingsPerBindGroup", limitsOutPtr, 28);
+ setLimitValueU32("maxDynamicUniformBuffersPerPipelineLayout", limitsOutPtr, 32);
+ setLimitValueU32("maxDynamicStorageBuffersPerPipelineLayout", limitsOutPtr, 36);
+ setLimitValueU32("maxSampledTexturesPerShaderStage", limitsOutPtr, 40);
+ setLimitValueU32("maxSamplersPerShaderStage", limitsOutPtr, 44);
+ setLimitValueU32("maxStorageBuffersPerShaderStage", limitsOutPtr, 48);
+ setLimitValueU32("maxStorageTexturesPerShaderStage", limitsOutPtr, 52);
+ setLimitValueU32("maxUniformBuffersPerShaderStage", limitsOutPtr, 56);
+ setLimitValueU32("minUniformBufferOffsetAlignment", limitsOutPtr, 80);
+ setLimitValueU32("minStorageBufferOffsetAlignment", limitsOutPtr, 84);
+ setLimitValueU64("maxUniformBufferBindingSize", limitsOutPtr, 64);
+ setLimitValueU64("maxStorageBufferBindingSize", limitsOutPtr, 72);
+ setLimitValueU32("maxVertexBuffers", limitsOutPtr, 88);
+ setLimitValueU64("maxBufferSize", limitsOutPtr, 96);
+ setLimitValueU32("maxVertexAttributes", limitsOutPtr, 104);
+ setLimitValueU32("maxVertexBufferArrayStride", limitsOutPtr, 108);
+ setLimitValueU32("maxInterStageShaderVariables", limitsOutPtr, 112);
+ setLimitValueU32("maxColorAttachments", limitsOutPtr, 116);
+ setLimitValueU32("maxColorAttachmentBytesPerSample", limitsOutPtr, 120);
+ setLimitValueU32("maxComputeWorkgroupStorageSize", limitsOutPtr, 124);
+ setLimitValueU32("maxComputeInvocationsPerWorkgroup", limitsOutPtr, 128);
+ setLimitValueU32("maxComputeWorkgroupSizeX", limitsOutPtr, 132);
+ setLimitValueU32("maxComputeWorkgroupSizeY", limitsOutPtr, 136);
+ setLimitValueU32("maxComputeWorkgroupSizeZ", limitsOutPtr, 140);
+ setLimitValueU32("maxComputeWorkgroupsPerDimension", limitsOutPtr, 144);
+ // Note this limit is new and won't be present in all browsers for a while. Fall back to 0.
+ setLimitValueU32("maxImmediateSize", limitsOutPtr, 148);
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var compatibilityModeLimitsPtr = nextInChainPtr;
+ // Note these limits are new and won't be present in all browsers for a while. Fall back to exposing the PerShaderStage limit.
+ setLimitValueU32("maxStorageBuffersInVertexStage", compatibilityModeLimitsPtr, 8, limits.maxStorageBuffersPerShaderStage);
+ setLimitValueU32("maxStorageBuffersInFragmentStage", compatibilityModeLimitsPtr, 16, limits.maxStorageBuffersPerShaderStage);
+ setLimitValueU32("maxStorageTexturesInVertexStage", compatibilityModeLimitsPtr, 12, limits.maxStorageTexturesPerShaderStage);
+ setLimitValueU32("maxStorageTexturesInFragmentStage", compatibilityModeLimitsPtr, 20, limits.maxStorageTexturesPerShaderStage);
+ }
+ },
+ fillAdapterInfoStruct: (info, infoStruct) => {
+ // Populate subgroup limits.
+ HEAPU32[(((infoStruct) + (52)) >> 2)] = info.subgroupMinSize;
+ HEAPU32[(((infoStruct) + (56)) >> 2)] = info.subgroupMaxSize;
+ // Append all the strings together to condense into a single malloc.
+ var strs = info.vendor + info.architecture + info.device + info.description;
+ var strPtr = stringToNewUTF8(strs);
+ var vendorLen = lengthBytesUTF8(info.vendor);
+ WebGPU.setStringView(infoStruct + 4, strPtr, vendorLen);
+ strPtr += vendorLen;
+ var architectureLen = lengthBytesUTF8(info.architecture);
+ WebGPU.setStringView(infoStruct + 12, strPtr, architectureLen);
+ strPtr += architectureLen;
+ var deviceLen = lengthBytesUTF8(info.device);
+ WebGPU.setStringView(infoStruct + 20, strPtr, deviceLen);
+ strPtr += deviceLen;
+ var descriptionLen = lengthBytesUTF8(info.description);
+ WebGPU.setStringView(infoStruct + 28, strPtr, descriptionLen);
+ strPtr += descriptionLen;
+ HEAP32[(((infoStruct) + (36)) >> 2)] = 2;
+ var adapterType = info.isFallbackAdapter ? 3 : 4;
+ HEAP32[(((infoStruct) + (40)) >> 2)] = adapterType;
+ HEAPU32[(((infoStruct) + (44)) >> 2)] = 0;
+ HEAPU32[(((infoStruct) + (48)) >> 2)] = 0;
+ },
+ AddressMode: [ , "clamp-to-edge", "repeat", "mirror-repeat" ],
+ BlendFactor: [ , "zero", "one", "src", "one-minus-src", "src-alpha", "one-minus-src-alpha", "dst", "one-minus-dst", "dst-alpha", "one-minus-dst-alpha", "src-alpha-saturated", "constant", "one-minus-constant", "src1", "one-minus-src1", "src1-alpha", "one-minus-src1-alpha" ],
+ BlendOperation: [ , "add", "subtract", "reverse-subtract", "min", "max" ],
+ BufferBindingType: [ , , "uniform", "storage", "read-only-storage" ],
+ BufferMapState: [ , "unmapped", "pending", "mapped" ],
+ CompareFunction: [ , "never", "less", "equal", "less-equal", "greater", "not-equal", "greater-equal", "always" ],
+ CompilationInfoRequestStatus: [ , "success", "callback-cancelled" ],
+ ComponentSwizzle: [ , "0", "1", "r", "g", "b", "a" ],
+ CompositeAlphaMode: [ , "opaque", "premultiplied", "unpremultiplied", "inherit" ],
+ CullMode: [ , "none", "front", "back" ],
+ ErrorFilter: [ , "validation", "out-of-memory", "internal" ],
+ FeatureLevel: [ , "compatibility", "core" ],
+ FeatureName: {
+ 1: "core-features-and-limits",
+ 2: "depth-clip-control",
+ 3: "depth32float-stencil8",
+ 4: "texture-compression-bc",
+ 5: "texture-compression-bc-sliced-3d",
+ 6: "texture-compression-etc2",
+ 7: "texture-compression-astc",
+ 8: "texture-compression-astc-sliced-3d",
+ 9: "timestamp-query",
+ 10: "indirect-first-instance",
+ 11: "shader-f16",
+ 12: "rg11b10ufloat-renderable",
+ 13: "bgra8unorm-storage",
+ 14: "float32-filterable",
+ 15: "float32-blendable",
+ 16: "clip-distances",
+ 17: "dual-source-blending",
+ 18: "subgroups",
+ 19: "texture-formats-tier1",
+ 20: "texture-formats-tier2",
+ 21: "primitive-index",
+ 22: "texture-component-swizzle",
+ 327692: "chromium-experimental-unorm16-texture-formats",
+ 327729: "chromium-experimental-multi-draw-indirect"
+ },
+ FilterMode: [ , "nearest", "linear" ],
+ FrontFace: [ , "ccw", "cw" ],
+ IndexFormat: [ , "uint16", "uint32" ],
+ InstanceFeatureName: [ , "timed-wait-any", "shader-source-spirv", "multiple-devices-per-adapter" ],
+ LoadOp: [ , "load", "clear" ],
+ MipmapFilterMode: [ , "nearest", "linear" ],
+ OptionalBool: [ "false", "true" ],
+ PowerPreference: [ , "low-power", "high-performance" ],
+ PredefinedColorSpace: [ , "srgb", "display-p3" ],
+ PrimitiveTopology: [ , "point-list", "line-list", "line-strip", "triangle-list", "triangle-strip" ],
+ QueryType: [ , "occlusion", "timestamp" ],
+ SamplerBindingType: [ , , "filtering", "non-filtering", "comparison" ],
+ Status: [ , "success", "error" ],
+ StencilOperation: [ , "keep", "zero", "replace", "invert", "increment-clamp", "decrement-clamp", "increment-wrap", "decrement-wrap" ],
+ StorageTextureAccess: [ , , "write-only", "read-only", "read-write" ],
+ StoreOp: [ , "store", "discard" ],
+ SurfaceGetCurrentTextureStatus: [ , "success-optimal", "success-suboptimal", "timeout", "outdated", "lost", "error" ],
+ TextureAspect: [ , "all", "stencil-only", "depth-only" ],
+ TextureDimension: [ , "1d", "2d", "3d" ],
+ TextureFormat: [ , "r8unorm", "r8snorm", "r8uint", "r8sint", "r16unorm", "r16snorm", "r16uint", "r16sint", "r16float", "rg8unorm", "rg8snorm", "rg8uint", "rg8sint", "r32float", "r32uint", "r32sint", "rg16unorm", "rg16snorm", "rg16uint", "rg16sint", "rg16float", "rgba8unorm", "rgba8unorm-srgb", "rgba8snorm", "rgba8uint", "rgba8sint", "bgra8unorm", "bgra8unorm-srgb", "rgb10a2uint", "rgb10a2unorm", "rg11b10ufloat", "rgb9e5ufloat", "rg32float", "rg32uint", "rg32sint", "rgba16unorm", "rgba16snorm", "rgba16uint", "rgba16sint", "rgba16float", "rgba32float", "rgba32uint", "rgba32sint", "stencil8", "depth16unorm", "depth24plus", "depth24plus-stencil8", "depth32float", "depth32float-stencil8", "bc1-rgba-unorm", "bc1-rgba-unorm-srgb", "bc2-rgba-unorm", "bc2-rgba-unorm-srgb", "bc3-rgba-unorm", "bc3-rgba-unorm-srgb", "bc4-r-unorm", "bc4-r-snorm", "bc5-rg-unorm", "bc5-rg-snorm", "bc6h-rgb-ufloat", "bc6h-rgb-float", "bc7-rgba-unorm", "bc7-rgba-unorm-srgb", "etc2-rgb8unorm", "etc2-rgb8unorm-srgb", "etc2-rgb8a1unorm", "etc2-rgb8a1unorm-srgb", "etc2-rgba8unorm", "etc2-rgba8unorm-srgb", "eac-r11unorm", "eac-r11snorm", "eac-rg11unorm", "eac-rg11snorm", "astc-4x4-unorm", "astc-4x4-unorm-srgb", "astc-5x4-unorm", "astc-5x4-unorm-srgb", "astc-5x5-unorm", "astc-5x5-unorm-srgb", "astc-6x5-unorm", "astc-6x5-unorm-srgb", "astc-6x6-unorm", "astc-6x6-unorm-srgb", "astc-8x5-unorm", "astc-8x5-unorm-srgb", "astc-8x6-unorm", "astc-8x6-unorm-srgb", "astc-8x8-unorm", "astc-8x8-unorm-srgb", "astc-10x5-unorm", "astc-10x5-unorm-srgb", "astc-10x6-unorm", "astc-10x6-unorm-srgb", "astc-10x8-unorm", "astc-10x8-unorm-srgb", "astc-10x10-unorm", "astc-10x10-unorm-srgb", "astc-12x10-unorm", "astc-12x10-unorm-srgb", "astc-12x12-unorm", "astc-12x12-unorm-srgb" ],
+ TextureSampleType: [ , , "float", "unfilterable-float", "depth", "sint", "uint" ],
+ TextureViewDimension: [ , "1d", "2d", "2d-array", "cube", "cube-array", "3d" ],
+ ToneMappingMode: [ , "standard", "extended" ],
+ VertexFormat: [ , "uint8", "uint8x2", "uint8x4", "sint8", "sint8x2", "sint8x4", "unorm8", "unorm8x2", "unorm8x4", "snorm8", "snorm8x2", "snorm8x4", "uint16", "uint16x2", "uint16x4", "sint16", "sint16x2", "sint16x4", "unorm16", "unorm16x2", "unorm16x4", "snorm16", "snorm16x2", "snorm16x4", "float16", "float16x2", "float16x4", "float32", "float32x2", "float32x3", "float32x4", "uint32", "uint32x2", "uint32x3", "uint32x4", "sint32", "sint32x2", "sint32x3", "sint32x4", "unorm10-10-10-2", "unorm8x4-bgra" ],
+ VertexStepMode: [ , "vertex", "instance" ],
+ WGSLLanguageFeatureName: [ , "readonly_and_readwrite_storage_textures", "packed_4x8_integer_dot_product", "unrestricted_pointer_parameters", "pointer_composite_access", "uniform_buffer_standard_layout", "subgroup_id", "texture_and_sampler_let", "subgroup_uniformity", "texture_formats_tier1", "linear_indexing" ]
+};
+
+var _emscripten_webgpu_get_device = () => {
+ if (WebGPU.preinitializedDeviceId === undefined) {
+ WebGPU.preinitializedDeviceId = WebGPU.importJsDevice(Module["preinitializedWebGPUDevice"]);
+ // Some users depend on this keeping the device alive, so we add an
+ // additional reference when we first initialize it.
+ _wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
+ }
+ _wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
+ return WebGPU.preinitializedDeviceId;
+};
+
+var _emwgpuBufferDestroy = bufferPtr => {
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ if (onUnmap) {
+ for (var i = 0; i < onUnmap.length; ++i) {
+ onUnmap[i]();
+ }
+ delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ }
+ buffer.destroy();
+};
+
+var _emwgpuBufferGetMappedRange = (bufferPtr, offset, size) => {
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ if (size == -1) size = undefined;
+ var mapped;
+ try {
+ mapped = buffer.getMappedRange(offset, size);
+ } catch (ex) {
+ return 0;
+ }
+ var data = _memalign(16, mapped.byteLength);
+ HEAPU8.fill(0, data, mapped.byteLength);
+ WebGPU.Internals.bufferOnUnmaps[bufferPtr].push(() => {
+ new Uint8Array(mapped).set(HEAPU8.subarray(data, data + mapped.byteLength));
+ _free(data);
+ });
+ return data;
+};
+
+var _emwgpuBufferUnmap = bufferPtr => {
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ if (!onUnmap) {
+ // Already unmapped
+ return;
+ }
+ for (var i = 0; i < onUnmap.length; ++i) {
+ onUnmap[i]();
+ }
+ delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ buffer.unmap();
+};
+
+var _emwgpuDelete = ptr => {
+ delete WebGPU.Internals.jsObjects[ptr];
+};
+
+var _emwgpuDeviceCreateBuffer = (devicePtr, descriptor, bufferPtr) => {
+ var mappedAtCreation = !!(HEAPU32[(((descriptor) + (32)) >> 2)]);
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "usage": HEAPU32[(((descriptor) + (16)) >> 2)],
+ "size": readI53FromI64((descriptor) + (24)),
+ "mappedAtCreation": mappedAtCreation
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var buffer;
+ try {
+ buffer = device.createBuffer(desc);
+ } catch (ex) {
+ // The only exception should be RangeError if mapping at creation ran out of memory.
+ return false;
+ }
+ WebGPU.Internals.jsObjectInsert(bufferPtr, buffer);
+ if (mappedAtCreation) {
+ WebGPU.Internals.bufferOnUnmaps[bufferPtr] = [];
+ }
+ return true;
+};
+
+var _emwgpuDeviceCreateComputePipelineAsync = function(devicePtr, futureId_low, futureId_high, descriptor, pipelinePtr) {
+ var futureId = convertI32PairToI53Checked(futureId_low, futureId_high);
+ var desc = WebGPU.makeComputePipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ // createComputePipelineAsync
+ WebGPU.Internals.futureInsert(futureId, device.createComputePipelineAsync(desc).then(pipeline => {
+ // createComputePipelineAsync fulfilled
+ callUserCallback(() => {
+ WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
+ _emwgpuOnCreateComputePipelineCompleted(futureId, 1, pipelinePtr, 0);
+ });
+ }, pipelineError => {
+ // createComputePipelineAsync rejected
+ callUserCallback(() => {
+ var sp = stackSave();
+ var messagePtr = stringToUTF8OnStack(pipelineError.message);
+ var status = pipelineError.reason === "validation" ? 3 : pipelineError.reason === "internal" ? 4 : 0;
+ _emwgpuOnCreateComputePipelineCompleted(futureId, status, pipelinePtr, messagePtr);
+ stackRestore(sp);
+ });
+ }));
+};
+
+var _emwgpuDeviceCreateRenderPipelineAsync = function(devicePtr, futureId_low, futureId_high, descriptor, pipelinePtr) {
+ var futureId = convertI32PairToI53Checked(futureId_low, futureId_high);
+ var desc = WebGPU.makeRenderPipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ // createRenderPipelineAsync
+ WebGPU.Internals.futureInsert(futureId, device.createRenderPipelineAsync(desc).then(pipeline => {
+ // createRenderPipelineAsync fulfilled
+ callUserCallback(() => {
+ WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
+ _emwgpuOnCreateRenderPipelineCompleted(futureId, 1, pipelinePtr, 0);
+ });
+ }, pipelineError => {
+ // createRenderPipelineAsync rejected
+ callUserCallback(() => {
+ var sp = stackSave();
+ var messagePtr = stringToUTF8OnStack(pipelineError.message);
+ var status = pipelineError.reason === "validation" ? 3 : pipelineError.reason === "internal" ? 4 : 0;
+ _emwgpuOnCreateRenderPipelineCompleted(futureId, status, pipelinePtr, messagePtr);
+ stackRestore(sp);
+ });
+ }));
+};
+
+var _emwgpuDeviceCreateShaderModule = (devicePtr, descriptor, shaderModulePtr) => {
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "code": ""
+ };
+ switch (sType) {
+ case 2:
+ {
+ desc["code"] = WebGPU.makeStringFromStringView(nextInChainPtr + 8);
+ break;
+ }
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ WebGPU.Internals.jsObjectInsert(shaderModulePtr, device.createShaderModule(desc));
+};
+
+var _emwgpuDeviceDestroy = devicePtr => {
+ const device = WebGPU.getJsObject(devicePtr);
+ // Remove the onuncapturederror handler which holds a pointer to the WGPUDevice.
+ device.onuncapturederror = null;
+ device.destroy();
+};
+
+var _emwgpuWaitAny = (futurePtr, futureCount, timeoutMSPtr) => {
+ abort("TODO: Implement asyncify-free WaitAny for timeout=0");
+};
+
+var ENV = {};
+
+var getExecutableName = () => thisProgram || "./this.program";
+
+var getEnvStrings = () => {
+ if (!getEnvStrings.strings) {
+ // Default values.
+ // Browser language detection #8751
+ var lang = (globalThis.navigator?.language ?? "C").replace("-", "_") + ".UTF-8";
+ var env = {
+ "USER": "web_user",
+ "LOGNAME": "web_user",
+ "PATH": "/",
+ "PWD": "/",
+ "HOME": "/home/web_user",
+ "LANG": lang,
+ "_": getExecutableName()
+ };
+ // Apply the user-provided values, if any.
+ for (var x in ENV) {
+ // x is a key in ENV; if ENV[x] is undefined, that means it was
+ // explicitly set to be so. We allow user code to do that to
+ // force variables with default values to remain unset.
+ if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
+ }
+ var strings = [];
+ for (var x in env) {
+ strings.push(`${x}=${env[x]}`);
+ }
+ getEnvStrings.strings = strings;
+ }
+ return getEnvStrings.strings;
+};
+
+var _environ_get = (__environ, environ_buf) => {
+ var bufSize = 0;
+ var envp = 0;
+ for (var string of getEnvStrings()) {
+ var ptr = environ_buf + bufSize;
+ HEAPU32[(((__environ) + (envp)) >> 2)] = ptr;
+ bufSize += stringToUTF8(string, ptr, Infinity) + 1;
+ envp += 4;
+ }
+ return 0;
+};
+
+var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
+ var strings = getEnvStrings();
+ HEAPU32[((penviron_count) >> 2)] = strings.length;
+ var bufSize = 0;
+ for (var string of strings) {
+ bufSize += lengthBytesUTF8(string) + 1;
+ }
+ HEAPU32[((penviron_buf_size) >> 2)] = bufSize;
+ return 0;
+};
+
+function _fd_close(fd) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.close(stream);
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[((iov) >> 2)];
+ var len = HEAPU32[(((iov) + (4)) >> 2)];
+ iov += 8;
+ var curr = FS.read(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ if (curr < len) break;
+ // nothing more to read
+ if (typeof offset != "undefined") {
+ offset += curr;
+ }
+ }
+ return ret;
+};
+
+function _fd_read(fd, iov, iovcnt, pnum) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var num = doReadv(stream, iov, iovcnt);
+ HEAPU32[((pnum) >> 2)] = num;
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ if (isNaN(offset)) return 61;
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.llseek(stream, offset, whence);
+ (tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[((newOffset) >> 2)] = tempI64[0], HEAP32[(((newOffset) + (4)) >> 2)] = tempI64[1]);
+ if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
+ // reset readdir state
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[((iov) >> 2)];
+ var len = HEAPU32[(((iov) + (4)) >> 2)];
+ iov += 8;
+ var curr = FS.write(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ if (curr < len) {
+ // No more space to write.
+ break;
+ }
+ if (typeof offset != "undefined") {
+ offset += curr;
+ }
+ }
+ return ret;
+};
+
+function _fd_write(fd, iov, iovcnt, pnum) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var num = doWritev(stream, iov, iovcnt);
+ HEAPU32[((pnum) >> 2)] = num;
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+var _emscripten_glActiveTexture = x0 => GLctx.activeTexture(x0);
+
+var _glActiveTexture = _emscripten_glActiveTexture;
+
+var _emscripten_glAttachShader = (program, shader) => {
+ GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
+};
+
+var _glAttachShader = _emscripten_glAttachShader;
+
+var _emscripten_glBindAttribLocation = (program, index, name) => {
+ GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
+};
+
+var _glBindAttribLocation = _emscripten_glBindAttribLocation;
+
+var _emscripten_glBindBuffer = (target, buffer) => {
+ // Calling glBindBuffer with an unknown buffer will implicitly create a
+ // new one. Here we bypass `GL.counter` and directly using the ID passed
+ // in.
+ if (buffer && !GL.buffers[buffer]) {
+ var b = GLctx.createBuffer();
+ b.name = buffer;
+ GL.buffers[buffer] = b;
+ }
+ if (target == 34962) {
+ GLctx.currentArrayBufferBinding = buffer;
+ } else if (target == 34963) {
+ GLctx.currentElementArrayBufferBinding = buffer;
+ }
+ if (target == 35051) {
+ // In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2
+ // API function call when a buffer is bound to
+ // GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that
+ // binding point is non-null to know what is the proper API function to
+ // call.
+ GLctx.currentPixelPackBufferBinding = buffer;
+ } else if (target == 35052) {
+ // In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to
+ // use a different WebGL 2 API function call when a buffer is bound to
+ // GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that
+ // binding point is non-null to know what is the proper API function to
+ // call.
+ GLctx.currentPixelUnpackBufferBinding = buffer;
+ }
+ GLctx.bindBuffer(target, GL.buffers[buffer]);
+};
+
+var _glBindBuffer = _emscripten_glBindBuffer;
+
+var _emscripten_glBindBufferBase = (target, index, buffer) => {
+ GLctx.bindBufferBase(target, index, GL.buffers[buffer]);
+};
+
+var _glBindBufferBase = _emscripten_glBindBufferBase;
+
+var _emscripten_glBindFramebuffer = (target, framebuffer) => {
+ GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
+};
+
+var _glBindFramebuffer = _emscripten_glBindFramebuffer;
+
+var _emscripten_glBindTexture = (target, texture) => {
+ GLctx.bindTexture(target, GL.textures[texture]);
+};
+
+var _glBindTexture = _emscripten_glBindTexture;
+
+var _emscripten_glBindVertexArray = vao => {
+ GLctx.bindVertexArray(GL.vaos[vao]);
+ var ibo = GLctx.getParameter(34965);
+ GLctx.currentElementArrayBufferBinding = ibo ? (ibo.name | 0) : 0;
+};
+
+var _glBindVertexArray = _emscripten_glBindVertexArray;
+
+var _emscripten_glBlendEquation = x0 => GLctx.blendEquation(x0);
+
+var _glBlendEquation = _emscripten_glBlendEquation;
+
+var _emscripten_glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);
+
+var _glBlendFunc = _emscripten_glBlendFunc;
+
+var _emscripten_glBufferData = (target, size, data, usage) => {
+ if (GL.currentContext.version >= 2) {
+ // If size is zero, WebGL would interpret uploading the whole input
+ // arraybuffer (starting from given offset), which would not make sense in
+ // WebAssembly, so avoid uploading if size is zero. However we must still
+ // call bufferData to establish a backing storage of zero bytes.
+ if (data && size) {
+ GLctx.bufferData(target, HEAPU8, usage, data, size);
+ } else {
+ GLctx.bufferData(target, size, usage);
+ }
+ return;
+ }
+ // N.b. here first form specifies a heap subarray, second form an integer
+ // size, so the ?: code here is polymorphic. It is advised to avoid
+ // randomly mixing both uses in calling code, to avoid any potential JS
+ // engine JIT issues.
+ GLctx.bufferData(target, data ? HEAPU8.subarray(data, data + size) : size, usage);
+};
+
+var _glBufferData = _emscripten_glBufferData;
+
+var _emscripten_glClear = x0 => GLctx.clear(x0);
+
+var _glClear = _emscripten_glClear;
+
+var _emscripten_glClearColor = (x0, x1, x2, x3) => GLctx.clearColor(x0, x1, x2, x3);
+
+var _glClearColor = _emscripten_glClearColor;
+
+var convertI32PairToI53 = (lo, hi) => (lo >>> 0) + hi * 4294967296;
+
+var _emscripten_glClientWaitSync = (sync, flags, timeout_low, timeout_high) => {
+ // WebGL2 vs GLES3 differences: in GLES3, the timeout parameter is a uint64, where 0xFFFFFFFFFFFFFFFFULL means GL_TIMEOUT_IGNORED.
+ // In JS, there's no 64-bit value types, so instead timeout is taken to be signed, and GL_TIMEOUT_IGNORED is given value -1.
+ // Inherently the value accepted in the timeout is lossy, and can't take in arbitrary u64 bit pattern (but most likely doesn't matter)
+ // See https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15
+ var timeout = convertI32PairToI53(timeout_low, timeout_high);
+ return GLctx.clientWaitSync(GL.syncs[sync], flags, timeout);
+};
+
+var _glClientWaitSync = _emscripten_glClientWaitSync;
+
+var _emscripten_glColorMask = (red, green, blue, alpha) => {
+ GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
+};
+
+var _glColorMask = _emscripten_glColorMask;
+
+var _emscripten_glCompileShader = shader => {
+ GLctx.compileShader(GL.shaders[shader]);
+};
+
+var _glCompileShader = _emscripten_glCompileShader;
+
+var _emscripten_glCreateProgram = () => {
+ var id = GL.getNewId(GL.programs);
+ var program = GLctx.createProgram();
+ // Store additional information needed for each shader program:
+ program.name = id;
+ // Lazy cache results of
+ // glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
+ program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
+ program.uniformIdCounter = 1;
+ GL.programs[id] = program;
+ return id;
+};
+
+var _glCreateProgram = _emscripten_glCreateProgram;
+
+var _emscripten_glCreateShader = shaderType => {
+ var id = GL.getNewId(GL.shaders);
+ GL.shaders[id] = GLctx.createShader(shaderType);
+ return id;
+};
+
+var _glCreateShader = _emscripten_glCreateShader;
+
+var _emscripten_glDeleteBuffers = (n, buffers) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((buffers) + (i * 4)) >> 2)];
+ var buffer = GL.buffers[id];
+ // From spec: "glDeleteBuffers silently ignores 0's and names that do not
+ // correspond to existing buffer objects."
+ if (!buffer) continue;
+ GLctx.deleteBuffer(buffer);
+ buffer.name = 0;
+ GL.buffers[id] = null;
+ if (id == GLctx.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
+ if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
+ if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
+ if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
+ }
+};
+
+var _glDeleteBuffers = _emscripten_glDeleteBuffers;
+
+var _emscripten_glDeleteFramebuffers = (n, framebuffers) => {
+ for (var i = 0; i < n; ++i) {
+ var id = HEAP32[(((framebuffers) + (i * 4)) >> 2)];
+ var framebuffer = GL.framebuffers[id];
+ if (!framebuffer) continue;
+ // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
+ GLctx.deleteFramebuffer(framebuffer);
+ framebuffer.name = 0;
+ GL.framebuffers[id] = null;
+ }
+};
+
+var _glDeleteFramebuffers = _emscripten_glDeleteFramebuffers;
+
+var _emscripten_glDeleteProgram = id => {
+ if (!id) return;
+ var program = GL.programs[id];
+ if (!program) {
+ // glDeleteProgram actually signals an error when deleting a nonexisting
+ // object, unlike some other GL delete functions.
+ GL.recordError(1281);
+ return;
+ }
+ GLctx.deleteProgram(program);
+ program.name = 0;
+ GL.programs[id] = null;
+};
+
+var _glDeleteProgram = _emscripten_glDeleteProgram;
+
+var _emscripten_glDeleteShader = id => {
+ if (!id) return;
+ var shader = GL.shaders[id];
+ if (!shader) {
+ // glDeleteShader actually signals an error when deleting a nonexisting
+ // object, unlike some other GL delete functions.
+ GL.recordError(1281);
+ return;
+ }
+ GLctx.deleteShader(shader);
+ GL.shaders[id] = null;
+};
+
+var _glDeleteShader = _emscripten_glDeleteShader;
+
+var _emscripten_glDeleteSync = id => {
+ if (!id) return;
+ var sync = GL.syncs[id];
+ if (!sync) {
+ // glDeleteSync signals an error when deleting a nonexisting object, unlike some other GL delete functions.
+ GL.recordError(1281);
+ return;
+ }
+ GLctx.deleteSync(sync);
+ sync.name = 0;
+ GL.syncs[id] = null;
+};
+
+var _glDeleteSync = _emscripten_glDeleteSync;
+
+var _emscripten_glDeleteTextures = (n, textures) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((textures) + (i * 4)) >> 2)];
+ var texture = GL.textures[id];
+ // GL spec: "glDeleteTextures silently ignores 0s and names that do not
+ // correspond to existing textures".
+ if (!texture) continue;
+ GLctx.deleteTexture(texture);
+ texture.name = 0;
+ GL.textures[id] = null;
+ }
+};
+
+var _glDeleteTextures = _emscripten_glDeleteTextures;
+
+var _emscripten_glDeleteVertexArrays = (n, vaos) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((vaos) + (i * 4)) >> 2)];
+ GLctx.deleteVertexArray(GL.vaos[id]);
+ GL.vaos[id] = null;
+ }
+};
+
+var _glDeleteVertexArrays = _emscripten_glDeleteVertexArrays;
+
+var _emscripten_glDetachShader = (program, shader) => {
+ GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
+};
+
+var _glDetachShader = _emscripten_glDetachShader;
+
+var _emscripten_glDisable = x0 => GLctx.disable(x0);
+
+var _glDisable = _emscripten_glDisable;
+
+var _emscripten_glDisableVertexAttribArray = index => {
+ var cb = GL.currentContext.clientBuffers[index];
+ cb.enabled = false;
+ GLctx.disableVertexAttribArray(index);
+};
+
+var _glDisableVertexAttribArray = _emscripten_glDisableVertexAttribArray;
+
+var _emscripten_glDrawArrays = (mode, first, count) => {
+ // bind any client-side buffers
+ GL.preDrawHandleClientVertexAttribBindings(first + count);
+ GLctx.drawArrays(mode, first, count);
+ GL.postDrawHandleClientVertexAttribBindings();
+};
+
+var _glDrawArrays = _emscripten_glDrawArrays;
+
+var tempFixedLengthArray = [];
+
+var _emscripten_glDrawBuffers = (n, bufs) => {
+ var bufArray = tempFixedLengthArray[n];
+ for (var i = 0; i < n; i++) {
+ bufArray[i] = HEAP32[(((bufs) + (i * 4)) >> 2)];
+ }
+ GLctx.drawBuffers(bufArray);
+};
+
+var _glDrawBuffers = _emscripten_glDrawBuffers;
+
+var _emscripten_glEnable = x0 => GLctx.enable(x0);
+
+var _glEnable = _emscripten_glEnable;
+
+var _emscripten_glEnableVertexAttribArray = index => {
+ var cb = GL.currentContext.clientBuffers[index];
+ cb.enabled = true;
+ GLctx.enableVertexAttribArray(index);
+};
+
+var _glEnableVertexAttribArray = _emscripten_glEnableVertexAttribArray;
+
+var _emscripten_glFenceSync = (condition, flags) => {
+ var sync = GLctx.fenceSync(condition, flags);
+ if (sync) {
+ var id = GL.getNewId(GL.syncs);
+ sync.name = id;
+ GL.syncs[id] = sync;
+ return id;
+ }
+ return 0;
+};
+
+var _glFenceSync = _emscripten_glFenceSync;
+
+var _emscripten_glFinish = () => GLctx.finish();
+
+var _glFinish = _emscripten_glFinish;
+
+var _emscripten_glFlush = () => GLctx.flush();
+
+var _glFlush = _emscripten_glFlush;
+
+var _emscripten_glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
+ GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
+};
+
+var _glFramebufferTexture2D = _emscripten_glFramebufferTexture2D;
+
+var _emscripten_glFramebufferTextureLayer = (target, attachment, texture, level, layer) => {
+ GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
+};
+
+var _glFramebufferTextureLayer = _emscripten_glFramebufferTextureLayer;
+
+var _emscripten_glGenBuffers = (n, buffers) => {
+ GL.genObject(n, buffers, "createBuffer", GL.buffers);
+};
+
+var _glGenBuffers = _emscripten_glGenBuffers;
+
+var _emscripten_glGenFramebuffers = (n, ids) => {
+ GL.genObject(n, ids, "createFramebuffer", GL.framebuffers);
+};
+
+var _glGenFramebuffers = _emscripten_glGenFramebuffers;
+
+var _emscripten_glGenTextures = (n, textures) => {
+ GL.genObject(n, textures, "createTexture", GL.textures);
+};
+
+var _glGenTextures = _emscripten_glGenTextures;
+
+var _emscripten_glGenVertexArrays = (n, arrays) => {
+ GL.genObject(n, arrays, "createVertexArray", GL.vaos);
+};
+
+var _glGenVertexArrays = _emscripten_glGenVertexArrays;
+
+var _emscripten_glGetAttribLocation = (program, name) => GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
+
+var _glGetAttribLocation = _emscripten_glGetAttribLocation;
+
+var _emscripten_glGetError = () => {
+ var error = GLctx.getError() || GL.lastError;
+ GL.lastError = 0;
+ return error;
+};
+
+var _glGetError = _emscripten_glGetError;
+
+var webglGetExtensions = () => {
+ var exts = getEmscriptenSupportedExtensions(GLctx);
+ exts = exts.concat(exts.map(e => "GL_" + e));
+ return exts;
+};
+
+var emscriptenWebGLGet = (name_, p, type) => {
+ // Guard against user passing a null pointer.
+ // Note that GLES2 spec does not say anything about how passing a null
+ // pointer should be treated. Testing on desktop core GL 3, the application
+ // crashes on glGetIntegerv to a null pointer, but better to report an error
+ // instead of doing anything random.
+ if (!p) {
+ GL.recordError(1281);
+ return;
+ }
+ var ret = undefined;
+ switch (name_) {
+ // Handle a few trivial GLES values
+ case 36346:
+ // GL_SHADER_COMPILER
+ ret = 1;
+ break;
+
+ case 36344:
+ // GL_SHADER_BINARY_FORMATS
+ if (type != 0 && type != 1) {
+ GL.recordError(1280);
+ }
+ // Do not write anything to the out pointer, since no binary formats are
+ // supported.
+ return;
+
+ case 34814:
+ // GL_NUM_PROGRAM_BINARY_FORMATS
+ case 36345:
+ // GL_NUM_SHADER_BINARY_FORMATS
+ ret = 0;
+ break;
+
+ case 34466:
+ // GL_NUM_COMPRESSED_TEXTURE_FORMATS
+ // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete
+ // since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be
+ // queried for length), so implement it ourselves to allow C++ GLES2
+ // code to get the length.
+ var formats = GLctx.getParameter(34467);
+ ret = formats ? formats.length : 0;
+ break;
+
+ case 33309:
+ // GL_NUM_EXTENSIONS
+ if (GL.currentContext.version < 2) {
+ // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
+ GL.recordError(1282);
+ return;
+ }
+ ret = webglGetExtensions().length;
+ break;
+
+ case 33307:
+ // GL_MAJOR_VERSION
+ case 33308:
+ // GL_MINOR_VERSION
+ if (GL.currentContext.version < 2) {
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ return;
+ }
+ ret = name_ == 33307 ? 3 : 0;
+ // return version 3.0
+ break;
+ }
+ if (ret === undefined) {
+ var result = GLctx.getParameter(name_);
+ switch (typeof result) {
+ case "number":
+ ret = result;
+ break;
+
+ case "boolean":
+ ret = result ? 1 : 0;
+ break;
+
+ case "string":
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ return;
+
+ case "object":
+ if (result === null) {
+ // null is a valid result for some (e.g., which buffer is bound -
+ // perhaps nothing is bound), but otherwise can mean an invalid
+ // name_, which we need to report as an error
+ switch (name_) {
+ case 34964:
+ // ARRAY_BUFFER_BINDING
+ case 35725:
+ // CURRENT_PROGRAM
+ case 34965:
+ // ELEMENT_ARRAY_BUFFER_BINDING
+ case 36006:
+ // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
+ case 36007:
+ // RENDERBUFFER_BINDING
+ case 32873:
+ // TEXTURE_BINDING_2D
+ case 34229:
+ // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
+ case 36662:
+ // COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER
+ case 36663:
+ // COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER
+ case 35053:
+ // PIXEL_PACK_BUFFER_BINDING
+ case 35055:
+ // PIXEL_UNPACK_BUFFER_BINDING
+ case 36010:
+ // READ_FRAMEBUFFER_BINDING
+ case 35097:
+ // SAMPLER_BINDING
+ case 35869:
+ // TEXTURE_BINDING_2D_ARRAY
+ case 32874:
+ // TEXTURE_BINDING_3D
+ case 36389:
+ // TRANSFORM_FEEDBACK_BINDING
+ case 35983:
+ // TRANSFORM_FEEDBACK_BUFFER_BINDING
+ case 35368:
+ // UNIFORM_BUFFER_BINDING
+ case 34068:
+ {
+ // TEXTURE_BINDING_CUBE_MAP
+ ret = 0;
+ break;
+ }
+
+ default:
+ {
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ return;
+ }
+ }
+ } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
+ for (var i = 0; i < result.length; ++i) {
+ switch (type) {
+ case 0:
+ HEAP32[(((p) + (i * 4)) >> 2)] = result[i];
+ break;
+
+ case 2:
+ HEAPF32[(((p) + (i * 4)) >> 2)] = result[i];
+ break;
+
+ case 4:
+ HEAP8[(p) + (i)] = result[i] ? 1 : 0;
+ break;
+ }
+ }
+ return;
+ } else {
+ try {
+ ret = result.name | 0;
+ } catch (e) {
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
+ return;
+ }
+ }
+ break;
+
+ default:
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ err(`GL_INVALID_ENUM in glGet${type}v: Native code calling glGet${type}v(${name_}) and it returns ${result} of type ${typeof (result)}!`);
+ return;
+ }
+ }
+ switch (type) {
+ case 1:
+ writeI53ToI64(p, ret);
+ break;
+
+ case 0:
+ HEAP32[((p) >> 2)] = ret;
+ break;
+
+ case 2:
+ HEAPF32[((p) >> 2)] = ret;
+ break;
+
+ case 4:
+ HEAP8[p] = ret ? 1 : 0;
+ break;
+ }
+};
+
+var _emscripten_glGetFloatv = (name_, p) => emscriptenWebGLGet(name_, p, 2);
+
+var _glGetFloatv = _emscripten_glGetFloatv;
+
+var _emscripten_glGetIntegerv = (name_, p) => emscriptenWebGLGet(name_, p, 0);
+
+var _glGetIntegerv = _emscripten_glGetIntegerv;
+
+var _emscripten_glGetProgramiv = (program, pname, p) => {
+ if (!p) {
+ // GLES2 specification does not specify how to behave if p is a null
+ // pointer. Since calling this function does not make sense if p == null,
+ // issue a GL error to notify user about it.
+ GL.recordError(1281);
+ return;
+ }
+ if (program >= GL.counter) {
+ GL.recordError(1281);
+ return;
+ }
+ program = GL.programs[program];
+ if (pname == 35716) {
+ // GL_INFO_LOG_LENGTH
+ var log = GLctx.getProgramInfoLog(program);
+ if (log === null) log = "(unknown error)";
+ HEAP32[((p) >> 2)] = log.length + 1;
+ } else if (pname == 35719) {
+ if (!program.maxUniformLength) {
+ var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
+ for (var i = 0; i < numActiveUniforms; ++i) {
+ program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
+ }
+ }
+ HEAP32[((p) >> 2)] = program.maxUniformLength;
+ } else if (pname == 35722) {
+ if (!program.maxAttributeLength) {
+ var numActiveAttributes = GLctx.getProgramParameter(program, 35721);
+ for (var i = 0; i < numActiveAttributes; ++i) {
+ program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
+ }
+ }
+ HEAP32[((p) >> 2)] = program.maxAttributeLength;
+ } else if (pname == 35381) {
+ if (!program.maxUniformBlockNameLength) {
+ var numActiveUniformBlocks = GLctx.getProgramParameter(program, 35382);
+ for (var i = 0; i < numActiveUniformBlocks; ++i) {
+ program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
+ }
+ }
+ HEAP32[((p) >> 2)] = program.maxUniformBlockNameLength;
+ } else {
+ HEAP32[((p) >> 2)] = GLctx.getProgramParameter(program, pname);
+ }
+};
+
+var _glGetProgramiv = _emscripten_glGetProgramiv;
+
+var _emscripten_glGetShaderInfoLog = (shader, maxLength, length, infoLog) => {
+ var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+ if (log === null) log = "(unknown error)";
+ var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
+ if (length) HEAP32[((length) >> 2)] = numBytesWrittenExclNull;
+};
+
+var _glGetShaderInfoLog = _emscripten_glGetShaderInfoLog;
+
+var _emscripten_glGetShaderiv = (shader, pname, p) => {
+ if (!p) {
+ // GLES2 specification does not specify how to behave if p is a null
+ // pointer. Since calling this function does not make sense if p == null,
+ // issue a GL error to notify user about it.
+ GL.recordError(1281);
+ return;
+ }
+ if (pname == 35716) {
+ // GL_INFO_LOG_LENGTH
+ var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+ if (log === null) log = "(unknown error)";
+ // The GLES2 specification says that if the shader has an empty info log,
+ // a value of 0 is returned. Otherwise the log has a null char appended.
+ // (An empty string is falsey, so we can just check that instead of
+ // looking at log.length.)
+ var logLength = log ? log.length + 1 : 0;
+ HEAP32[((p) >> 2)] = logLength;
+ } else if (pname == 35720) {
+ // GL_SHADER_SOURCE_LENGTH
+ var source = GLctx.getShaderSource(GL.shaders[shader]);
+ // source may be a null, or the empty string, both of which are falsey
+ // values that we report a 0 length for.
+ var sourceLength = source ? source.length + 1 : 0;
+ HEAP32[((p) >> 2)] = sourceLength;
+ } else {
+ HEAP32[((p) >> 2)] = GLctx.getShaderParameter(GL.shaders[shader], pname);
+ }
+};
+
+var _glGetShaderiv = _emscripten_glGetShaderiv;
+
+var _emscripten_glGetString = name_ => {
+ var ret = GL.stringCache[name_];
+ if (!ret) {
+ switch (name_) {
+ case 7939:
+ ret = stringToNewUTF8(webglGetExtensions().join(" "));
+ break;
+
+ case 7936:
+ case 7937:
+ case 37445:
+ case 37446:
+ var s = GLctx.getParameter(name_);
+ if (!s) {
+ GL.recordError(1280);
+ }
+ ret = s ? stringToNewUTF8(s) : 0;
+ break;
+
+ case 7938:
+ var webGLVersion = GLctx.getParameter(7938);
+ // return GLES version string corresponding to the version of the WebGL context
+ var glVersion = `OpenGL ES 2.0 (${webGLVersion})`;
+ if (GL.currentContext.version >= 2) glVersion = `OpenGL ES 3.0 (${webGLVersion})`;
+ ret = stringToNewUTF8(glVersion);
+ break;
+
+ case 35724:
+ var glslVersion = GLctx.getParameter(35724);
+ // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...'
+ var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
+ var ver_num = glslVersion.match(ver_re);
+ if (ver_num !== null) {
+ if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
+ // ensure minor version has 2 digits
+ glslVersion = `OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`;
+ }
+ ret = stringToNewUTF8(glslVersion);
+ break;
+
+ default:
+ GL.recordError(1280);
+ }
+ GL.stringCache[name_] = ret;
+ }
+ return ret;
+};
+
+var _glGetString = _emscripten_glGetString;
+
+var _emscripten_glGetUniformBlockIndex = (program, uniformBlockName) => GLctx.getUniformBlockIndex(GL.programs[program], UTF8ToString(uniformBlockName));
+
+var _glGetUniformBlockIndex = _emscripten_glGetUniformBlockIndex;
+
+/** @suppress {checkTypes} */ var jstoi_q = str => parseInt(str);
+
+/** @noinline */ var webglGetLeftBracePos = name => name.slice(-1) == "]" && name.lastIndexOf("[");
+
+var webglPrepareUniformLocationsBeforeFirstUse = program => {
+ var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation
+ uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint]
+ i, j;
+ // On the first time invocation of glGetUniformLocation on this shader program:
+ // initialize cache data structures and discover which uniforms are arrays.
+ if (!uniformLocsById) {
+ // maps GLint integer locations to WebGLUniformLocations
+ program.uniformLocsById = uniformLocsById = {};
+ // maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations
+ program.uniformArrayNamesById = {};
+ var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
+ for (i = 0; i < numActiveUniforms; ++i) {
+ var u = GLctx.getActiveUniform(program, i);
+ var nm = u.name;
+ var sz = u.size;
+ var lb = webglGetLeftBracePos(nm);
+ var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
+ // Assign a new location.
+ var id = program.uniformIdCounter;
+ program.uniformIdCounter += sz;
+ // Eagerly get the location of the uniformArray[0] base element.
+ // The remaining indices >0 will be left for lazy evaluation to
+ // improve performance. Those may never be needed to fetch, if the
+ // application fills arrays always in full starting from the first
+ // element of the array.
+ uniformSizeAndIdsByName[arrayName] = [ sz, id ];
+ // Store placeholder integers in place that highlight that these
+ // >0 index locations are array indices pending population.
+ for (j = 0; j < sz; ++j) {
+ uniformLocsById[id] = j;
+ program.uniformArrayNamesById[id++] = arrayName;
+ }
+ }
+ }
+};
+
+var _emscripten_glGetUniformLocation = (program, name) => {
+ name = UTF8ToString(name);
+ if (program = GL.programs[program]) {
+ webglPrepareUniformLocationsBeforeFirstUse(program);
+ var uniformLocsById = program.uniformLocsById;
+ // Maps GLuint -> WebGLUniformLocation
+ var arrayIndex = 0;
+ var uniformBaseName = name;
+ // Invariant: when populating integer IDs for uniform locations, we must
+ // maintain the precondition that arrays reside in contiguous addresses,
+ // i.e. for a 'vec4 colors[10];', colors[4] must be at location
+ // colors[0]+4. However, user might call glGetUniformLocation(program,
+ // "colors") for an array, so we cannot discover based on the user input
+ // arguments whether the uniform we are dealing with is an array. The only
+ // way to discover which uniforms are arrays is to enumerate over all the
+ // active uniforms in the program.
+ var leftBrace = webglGetLeftBracePos(name);
+ // If user passed an array accessor "[index]", parse the array index off the accessor.
+ if (leftBrace > 0) {
+ arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
+ // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
+ uniformBaseName = name.slice(0, leftBrace);
+ }
+ // Have we cached the location of this uniform before?
+ // A pair [array length, GLint of the uniform location]
+ var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
+ // If a uniform with this name exists, and if its index is within the
+ // array limits (if it's even an array), query the WebGLlocation, or
+ // return an existing cached location.
+ if (sizeAndId && arrayIndex < sizeAndId[0]) {
+ arrayIndex += sizeAndId[1];
+ // Add the base location of the uniform to the array index offset.
+ if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) {
+ return arrayIndex;
+ }
+ }
+ } else {
+ // N.b. we are currently unable to distinguish between GL program IDs that
+ // never existed vs GL program IDs that have been deleted, so report
+ // GL_INVALID_VALUE in both cases.
+ GL.recordError(1281);
+ }
+ return -1;
+};
+
+var _glGetUniformLocation = _emscripten_glGetUniformLocation;
+
+var _emscripten_glLineWidth = x0 => GLctx.lineWidth(x0);
+
+var _glLineWidth = _emscripten_glLineWidth;
+
+var _emscripten_glLinkProgram = program => {
+ program = GL.programs[program];
+ GLctx.linkProgram(program);
+ // Invalidate earlier computed uniform->ID mappings, those have now become stale
+ program.uniformLocsById = 0;
+ // Mark as null-like so that glGetUniformLocation() knows to populate this again.
+ program.uniformSizeAndIdsByName = {};
+};
+
+var _glLinkProgram = _emscripten_glLinkProgram;
+
+var _emscripten_glPixelStorei = (pname, param) => {
+ if (pname == 3317) {
+ GL.unpackAlignment = param;
+ } else if (pname == 3314) {
+ GL.unpackRowLength = param;
+ }
+ GLctx.pixelStorei(pname, param);
+};
+
+var _glPixelStorei = _emscripten_glPixelStorei;
+
+var computeUnpackAlignedImageSize = (width, height, sizePerPixel) => {
+ function roundedToNextMultipleOf(x, y) {
+ return (x + y - 1) & -y;
+ }
+ var plainRowSize = (GL.unpackRowLength || width) * sizePerPixel;
+ var alignedRowSize = roundedToNextMultipleOf(plainRowSize, GL.unpackAlignment);
+ return height * alignedRowSize;
+};
+
+var colorChannelsInGlTextureFormat = format => {
+ // Micro-optimizations for size: map format to size by subtracting smallest
+ // enum value (0x1902) from all values first. Also omit the most common
+ // size value (1) from the list, which is assumed by formats not on the
+ // list.
+ var colorChannels = {
+ // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1,
+ // 0x1906 /* GL_ALPHA */ - 0x1902: 1,
+ 5: 3,
+ 6: 4,
+ // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1,
+ 8: 2,
+ 29502: 3,
+ 29504: 4,
+ // 0x1903 /* GL_RED */ - 0x1902: 1,
+ 26917: 2,
+ 26918: 2,
+ // 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1,
+ 29846: 3,
+ 29847: 4
+ };
+ return colorChannels[format - 6402] || 1;
+};
+
+var heapObjectForWebGLType = type => {
+ // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare
+ // smaller values for the heap, for shorter generated code size.
+ // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16.
+ // (since most types are HEAPU16)
+ type -= 5120;
+ if (type == 0) return HEAP8;
+ if (type == 1) return HEAPU8;
+ if (type == 2) return HEAP16;
+ if (type == 4) return HEAP32;
+ if (type == 6) return HEAPF32;
+ if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return HEAPU32;
+ return HEAPU16;
+};
+
+var toTypedArrayIndex = (pointer, heap) => pointer >>> (31 - Math.clz32(heap.BYTES_PER_ELEMENT));
+
+var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
+ var heap = heapObjectForWebGLType(type);
+ var sizePerPixel = colorChannelsInGlTextureFormat(format) * heap.BYTES_PER_ELEMENT;
+ var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel);
+ return heap.subarray(toTypedArrayIndex(pixels, heap), toTypedArrayIndex(pixels + bytes, heap));
+};
+
+var _emscripten_glReadPixels = (x, y, width, height, format, type, pixels) => {
+ if (GL.currentContext.version >= 2) {
+ if (GLctx.currentPixelPackBufferBinding) {
+ GLctx.readPixels(x, y, width, height, format, type, pixels);
+ return;
+ }
+ var heap = heapObjectForWebGLType(type);
+ var target = toTypedArrayIndex(pixels, heap);
+ GLctx.readPixels(x, y, width, height, format, type, heap, target);
+ return;
+ }
+ var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
+ if (!pixelData) {
+ GL.recordError(1280);
+ return;
+ }
+ GLctx.readPixels(x, y, width, height, format, type, pixelData);
+};
+
+var _glReadPixels = _emscripten_glReadPixels;
+
+var _emscripten_glShaderSource = (shader, count, string, length) => {
+ var source = GL.getSource(shader, count, string, length);
+ GLctx.shaderSource(GL.shaders[shader], source);
+};
+
+var _glShaderSource = _emscripten_glShaderSource;
+
+var _emscripten_glTexImage2D = (target, level, internalFormat, width, height, border, format, type, pixels) => {
+ if (GL.currentContext.version >= 2) {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
+ return;
+ }
+ if (pixels) {
+ var heap = heapObjectForWebGLType(type);
+ var index = toTypedArrayIndex(pixels, heap);
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, index);
+ return;
+ }
+ }
+ var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
+};
+
+var _glTexImage2D = _emscripten_glTexImage2D;
+
+var _emscripten_glTexParameterf = (x0, x1, x2) => GLctx.texParameterf(x0, x1, x2);
+
+var _glTexParameterf = _emscripten_glTexParameterf;
+
+var _emscripten_glTexParameterfv = (target, pname, params) => {
+ var param = HEAPF32[((params) >> 2)];
+ GLctx.texParameterf(target, pname, param);
+};
+
+var _glTexParameterfv = _emscripten_glTexParameterfv;
+
+var _emscripten_glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);
+
+var _glTexParameteri = _emscripten_glTexParameteri;
+
+var _emscripten_glTexStorage2D = (x0, x1, x2, x3, x4) => GLctx.texStorage2D(x0, x1, x2, x3, x4);
+
+var _glTexStorage2D = _emscripten_glTexStorage2D;
+
+var _emscripten_glTexStorage3D = (x0, x1, x2, x3, x4, x5) => GLctx.texStorage3D(x0, x1, x2, x3, x4, x5);
+
+var _glTexStorage3D = _emscripten_glTexStorage3D;
+
+var _emscripten_glTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, type, pixels) => {
+ if (GL.currentContext.version >= 2) {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+ GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+ return;
+ }
+ if (pixels) {
+ var heap = heapObjectForWebGLType(type);
+ GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, toTypedArrayIndex(pixels, heap));
+ return;
+ }
+ }
+ var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
+ GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
+};
+
+var _glTexSubImage2D = _emscripten_glTexSubImage2D;
+
+var _emscripten_glTexSubImage3D = (target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) => {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+ GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
+ } else if (pixels) {
+ var heap = heapObjectForWebGLType(type);
+ GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, toTypedArrayIndex(pixels, heap));
+ } else {
+ GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
+ }
+};
+
+var _glTexSubImage3D = _emscripten_glTexSubImage3D;
+
+var webglGetUniformLocation = location => {
+ var p = GLctx.currentProgram;
+ if (p) {
+ var webglLoc = p.uniformLocsById[location];
+ // p.uniformLocsById[location] stores either an integer, or a
+ // WebGLUniformLocation.
+ // If an integer, we have not yet bound the location, so do it now. The
+ // integer value specifies the array index we should bind to.
+ if (typeof webglLoc == "number") {
+ p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? `[${webglLoc}]` : ""));
+ }
+ // Else an already cached WebGLUniformLocation, return it.
+ return webglLoc;
+ } else {
+ GL.recordError(1282);
+ }
+};
+
+var _emscripten_glUniform1f = (location, v0) => {
+ GLctx.uniform1f(webglGetUniformLocation(location), v0);
+};
+
+var _glUniform1f = _emscripten_glUniform1f;
+
+var miniTempWebGLFloatBuffers = [];
+
+var _emscripten_glUniform1fv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count);
+ return;
+ }
+ if (count <= 288) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; ++i) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 4) >> 2));
+ }
+ GLctx.uniform1fv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform1fv = _emscripten_glUniform1fv;
+
+var _emscripten_glUniform1i = (location, v0) => {
+ GLctx.uniform1i(webglGetUniformLocation(location), v0);
+};
+
+var _glUniform1i = _emscripten_glUniform1i;
+
+var _emscripten_glUniform2f = (location, v0, v1) => {
+ GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
+};
+
+var _glUniform2f = _emscripten_glUniform2f;
+
+var _emscripten_glUniform2fv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count * 2);
+ return;
+ }
+ if (count <= 144) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 2;
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; i += 2) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 8) >> 2));
+ }
+ GLctx.uniform2fv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform2fv = _emscripten_glUniform2fv;
+
+var _emscripten_glUniform3f = (location, v0, v1, v2) => {
+ GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
+};
+
+var _glUniform3f = _emscripten_glUniform3f;
+
+var _emscripten_glUniform4f = (location, v0, v1, v2, v3) => {
+ GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
+};
+
+var _glUniform4f = _emscripten_glUniform4f;
+
+var _emscripten_glUniform4fv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count * 4);
+ return;
+ }
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[4 * count];
+ // hoist the heap out of the loop for size and for pthreads+growth.
+ var heap = HEAPF32;
+ value = ((value) >> 2);
+ count *= 4;
+ for (var i = 0; i < count; i += 4) {
+ var dst = value + i;
+ view[i] = heap[dst];
+ view[i + 1] = heap[dst + 1];
+ view[i + 2] = heap[dst + 2];
+ view[i + 3] = heap[dst + 3];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
+ }
+ GLctx.uniform4fv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform4fv = _emscripten_glUniform4fv;
+
+var miniTempWebGLIntBuffers = [];
+
+var _emscripten_glUniform4iv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, ((value) >> 2), count * 4);
+ return;
+ }
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 4;
+ var view = miniTempWebGLIntBuffers[count];
+ for (var i = 0; i < count; i += 4) {
+ view[i] = HEAP32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >> 2)];
+ view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >> 2)];
+ view[i + 3] = HEAP32[(((value) + (4 * i + 12)) >> 2)];
+ }
+ } else {
+ var view = HEAP32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
+ }
+ GLctx.uniform4iv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform4iv = _emscripten_glUniform4iv;
+
+var _emscripten_glUniformBlockBinding = (program, uniformBlockIndex, uniformBlockBinding) => {
+ program = GL.programs[program];
+ GLctx.uniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
+};
+
+var _glUniformBlockBinding = _emscripten_glUniformBlockBinding;
+
+var _emscripten_glUniformMatrix2fv = (location, count, transpose, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 4);
+ return;
+ }
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 4;
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; i += 4) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
+ view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >> 2)];
+ view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
+ }
+ GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
+};
+
+var _glUniformMatrix2fv = _emscripten_glUniformMatrix2fv;
+
+var _emscripten_glUniformMatrix3fv = (location, count, transpose, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 9);
+ return;
+ }
+ if (count <= 32) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 9;
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; i += 9) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
+ view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >> 2)];
+ view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >> 2)];
+ view[i + 4] = HEAPF32[(((value) + (4 * i + 16)) >> 2)];
+ view[i + 5] = HEAPF32[(((value) + (4 * i + 20)) >> 2)];
+ view[i + 6] = HEAPF32[(((value) + (4 * i + 24)) >> 2)];
+ view[i + 7] = HEAPF32[(((value) + (4 * i + 28)) >> 2)];
+ view[i + 8] = HEAPF32[(((value) + (4 * i + 32)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 36) >> 2));
+ }
+ GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
+};
+
+var _glUniformMatrix3fv = _emscripten_glUniformMatrix3fv;
+
+var _emscripten_glUniformMatrix4fv = (location, count, transpose, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 16);
+ return;
+ }
+ if (count <= 18) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[16 * count];
+ // hoist the heap out of the loop for size and for pthreads+growth.
+ var heap = HEAPF32;
+ value = ((value) >> 2);
+ count *= 16;
+ for (var i = 0; i < count; i += 16) {
+ var dst = value + i;
+ view[i] = heap[dst];
+ view[i + 1] = heap[dst + 1];
+ view[i + 2] = heap[dst + 2];
+ view[i + 3] = heap[dst + 3];
+ view[i + 4] = heap[dst + 4];
+ view[i + 5] = heap[dst + 5];
+ view[i + 6] = heap[dst + 6];
+ view[i + 7] = heap[dst + 7];
+ view[i + 8] = heap[dst + 8];
+ view[i + 9] = heap[dst + 9];
+ view[i + 10] = heap[dst + 10];
+ view[i + 11] = heap[dst + 11];
+ view[i + 12] = heap[dst + 12];
+ view[i + 13] = heap[dst + 13];
+ view[i + 14] = heap[dst + 14];
+ view[i + 15] = heap[dst + 15];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 64) >> 2));
+ }
+ GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
+};
+
+var _glUniformMatrix4fv = _emscripten_glUniformMatrix4fv;
+
+var _emscripten_glUseProgram = program => {
+ program = GL.programs[program];
+ GLctx.useProgram(program);
+ // Record the currently active program so that we can access the uniform
+ // mapping table of that program.
+ GLctx.currentProgram = program;
+};
+
+var _glUseProgram = _emscripten_glUseProgram;
+
+var _emscripten_glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
+ var cb = GL.currentContext.clientBuffers[index];
+ if (!GLctx.currentArrayBufferBinding) {
+ cb.size = size;
+ cb.type = type;
+ cb.normalized = normalized;
+ cb.stride = stride;
+ cb.ptr = ptr;
+ cb.clientside = true;
+ cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
+ this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
+ };
+ return;
+ }
+ cb.clientside = false;
+ GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
+};
+
+var _glVertexAttribPointer = _emscripten_glVertexAttribPointer;
+
+var _emscripten_glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);
+
+var _glViewport = _emscripten_glViewport;
+
+function _mediapipe_find_canvas_event_target(canvasSelector) {
+ let target = findCanvasEventTarget(canvasSelector);
+ // WebGPU-on-worker uses this function to try to grab the canvas, but
+ // doesn't have a DOM element to find. So as a quick patch, if the default
+ // behavior is unsuccessful here then we try a webgpu canvas property
+ // which is set by the user directly on the Module, much like how our old
+ // pipeline used the Module.canvas property. See b/265271517 for details.
+ if (Module && !target) {
+ target = Module.canvasWebGpu;
+ }
+ return Emval.toHandle(target);
+}
+
+function _mediapipe_webgl_tex_image_drawable(drawableHandle) {
+ const drawable = Emval.toValue(drawableHandle);
+ GLctx.texImage2D(GLctx.TEXTURE_2D, 0, GLctx.RGBA, GLctx.RGBA, GLctx.UNSIGNED_BYTE, drawable);
+}
+
+var _random_get = (buffer, size) => randomFill(HEAPU8.subarray(buffer, buffer + size));
+
+var _wgpuCommandEncoderBeginComputePass = (encoderPtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "timestampWrites": WebGPU.makePassTimestampWrites(HEAPU32[(((descriptor) + (12)) >> 2)])
+ };
+ }
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var ptr = _emwgpuCreateComputePassEncoder(0);
+ WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginComputePass(desc));
+ return ptr;
+};
+
+var _wgpuCommandEncoderBeginRenderPass = (encoderPtr, descriptor) => {
+ function makeColorAttachment(caPtr) {
+ var viewPtr = HEAPU32[(((caPtr) + (4)) >> 2)];
+ if (viewPtr === 0) {
+ // Null `view` means no attachment in this slot.
+ return undefined;
+ }
+ var depthSlice = HEAPU32[(((caPtr) + (8)) >> 2)];
+ if (depthSlice == 4294967295) depthSlice = undefined;
+ return {
+ "view": WebGPU.getJsObject(viewPtr),
+ "depthSlice": depthSlice,
+ "resolveTarget": WebGPU.getJsObject(HEAPU32[(((caPtr) + (12)) >> 2)]),
+ "clearValue": WebGPU.makeColor(caPtr + 24),
+ "loadOp": WebGPU.LoadOp[HEAP32[(((caPtr) + (16)) >> 2)]],
+ "storeOp": WebGPU.StoreOp[HEAP32[(((caPtr) + (20)) >> 2)]]
+ };
+ }
+ function makeColorAttachments(count, caPtr) {
+ var attachments = [];
+ for (var i = 0; i < count; ++i) {
+ attachments.push(makeColorAttachment(caPtr + 56 * i));
+ }
+ return attachments;
+ }
+ function makeDepthStencilAttachment(dsaPtr) {
+ if (dsaPtr === 0) return undefined;
+ return {
+ "view": WebGPU.getJsObject(HEAPU32[(((dsaPtr) + (4)) >> 2)]),
+ "depthClearValue": HEAPF32[(((dsaPtr) + (16)) >> 2)],
+ "depthLoadOp": WebGPU.LoadOp[HEAP32[(((dsaPtr) + (8)) >> 2)]],
+ "depthStoreOp": WebGPU.StoreOp[HEAP32[(((dsaPtr) + (12)) >> 2)]],
+ "depthReadOnly": !!(HEAPU32[(((dsaPtr) + (20)) >> 2)]),
+ "stencilClearValue": HEAPU32[(((dsaPtr) + (32)) >> 2)],
+ "stencilLoadOp": WebGPU.LoadOp[HEAP32[(((dsaPtr) + (24)) >> 2)]],
+ "stencilStoreOp": WebGPU.StoreOp[HEAP32[(((dsaPtr) + (28)) >> 2)]],
+ "stencilReadOnly": !!(HEAPU32[(((dsaPtr) + (36)) >> 2)])
+ };
+ }
+ function makeRenderPassDescriptor(descriptor) {
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ var maxDrawCount = undefined;
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var renderPassMaxDrawCount = nextInChainPtr;
+ // Note: The user could have passed a really huge value here, which is technically valid in
+ // C but will not be allowed by WebGPU in JS because of [EnforceRange]. We intentionally
+ // ignore that case because it's not useful - apps can just pick a smaller maxDrawCount.
+ maxDrawCount = readI53FromI64((renderPassMaxDrawCount) + (8));
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "colorAttachments": makeColorAttachments(HEAPU32[(((descriptor) + (12)) >> 2)], HEAPU32[(((descriptor) + (16)) >> 2)]),
+ "depthStencilAttachment": makeDepthStencilAttachment(HEAPU32[(((descriptor) + (20)) >> 2)]),
+ "occlusionQuerySet": WebGPU.getJsObject(HEAPU32[(((descriptor) + (24)) >> 2)]),
+ "timestampWrites": WebGPU.makePassTimestampWrites(HEAPU32[(((descriptor) + (28)) >> 2)]),
+ "maxDrawCount": maxDrawCount
+ };
+ return desc;
+ }
+ var desc = makeRenderPassDescriptor(descriptor);
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var ptr = _emwgpuCreateRenderPassEncoder(0);
+ WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginRenderPass(desc));
+ return ptr;
+};
+
+var _wgpuCommandEncoderCopyBufferToTexture = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var copySize = WebGPU.makeExtent3D(copySizePtr);
+ commandEncoder.copyBufferToTexture(WebGPU.makeTexelCopyBufferInfo(srcPtr), WebGPU.makeTexelCopyTextureInfo(dstPtr), copySize);
+};
+
+var _wgpuCommandEncoderCopyTextureToBuffer = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var copySize = WebGPU.makeExtent3D(copySizePtr);
+ commandEncoder.copyTextureToBuffer(WebGPU.makeTexelCopyTextureInfo(srcPtr), WebGPU.makeTexelCopyBufferInfo(dstPtr), copySize);
+};
+
+var _wgpuCommandEncoderCopyTextureToTexture = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var copySize = WebGPU.makeExtent3D(copySizePtr);
+ commandEncoder.copyTextureToTexture(WebGPU.makeTexelCopyTextureInfo(srcPtr), WebGPU.makeTexelCopyTextureInfo(dstPtr), copySize);
+};
+
+var _wgpuCommandEncoderFinish = (encoderPtr, descriptor) => {
+ // TODO: Use the descriptor.
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var ptr = _emwgpuCreateCommandBuffer(0);
+ WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.finish());
+ return ptr;
+};
+
+var _wgpuComputePassEncoderDispatchWorkgroups = (passPtr, x, y, z) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ pass.dispatchWorkgroups(x, y, z);
+};
+
+var _wgpuComputePassEncoderEnd = passPtr => {
+ var pass = WebGPU.getJsObject(passPtr);
+ pass.end();
+};
+
+var _wgpuComputePassEncoderSetBindGroup = (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var group = WebGPU.getJsObject(groupPtr);
+ if (dynamicOffsetCount == 0) {
+ pass.setBindGroup(groupIndex, group);
+ } else {
+ pass.setBindGroup(groupIndex, group, HEAPU32, ((dynamicOffsetsPtr) >> 2), dynamicOffsetCount);
+ }
+};
+
+var _wgpuComputePassEncoderSetPipeline = (passPtr, pipelinePtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ pass.setPipeline(pipeline);
+};
+
+var _wgpuComputePipelineGetBindGroupLayout = (pipelinePtr, groupIndex) => {
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ var ptr = _emwgpuCreateBindGroupLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
+ return ptr;
+};
+
+var _wgpuDeviceCreateBindGroup = (devicePtr, descriptor) => {
+ function makeEntry(entryPtr) {
+ var bufferPtr = HEAPU32[(((entryPtr) + (8)) >> 2)];
+ var samplerPtr = HEAPU32[(((entryPtr) + (32)) >> 2)];
+ var textureViewPtr = HEAPU32[(((entryPtr) + (36)) >> 2)];
+ var externalTexturePtr = 0;
+ WebGPU.iterateExtensions(entryPtr, {
+ 14: ptr => {
+ externalTexturePtr = HEAPU32[(((ptr) + (8)) >> 2)];
+ }
+ });
+ var resource;
+ if (bufferPtr) {
+ // Note the sentinel UINT64_MAX will be read as -1.
+ var size = readI53FromI64((entryPtr) + (24));
+ if (size == -1) size = undefined;
+ resource = {
+ "buffer": WebGPU.getJsObject(bufferPtr),
+ "offset": readI53FromI64((entryPtr) + (16)),
+ "size": size
+ };
+ } else {
+ resource = WebGPU.getJsObject(samplerPtr || textureViewPtr || externalTexturePtr);
+ }
+ return {
+ "binding": HEAPU32[(((entryPtr) + (4)) >> 2)],
+ "resource": resource
+ };
+ }
+ function makeEntries(count, entriesPtrs) {
+ var entries = [];
+ for (var i = 0; i < count; ++i) {
+ entries.push(makeEntry(entriesPtrs + 40 * i));
+ }
+ return entries;
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "layout": WebGPU.getJsObject(HEAPU32[(((descriptor) + (12)) >> 2)]),
+ "entries": makeEntries(HEAPU32[(((descriptor) + (16)) >> 2)], HEAPU32[(((descriptor) + (20)) >> 2)])
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateBindGroup(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroup(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateBindGroupLayout = (devicePtr, descriptor) => {
+ function makeBufferEntry(substructPtr) {
+ var typeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!typeInt) return undefined;
+ return {
+ "type": WebGPU.BufferBindingType[typeInt],
+ "hasDynamicOffset": !!(HEAPU32[(((substructPtr) + (8)) >> 2)]),
+ "minBindingSize": readI53FromI64((substructPtr) + (16))
+ };
+ }
+ function makeSamplerEntry(substructPtr) {
+ var typeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!typeInt) return undefined;
+ return {
+ "type": WebGPU.SamplerBindingType[typeInt]
+ };
+ }
+ function makeTextureEntry(substructPtr) {
+ var sampleTypeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!sampleTypeInt) return undefined;
+ return {
+ "sampleType": WebGPU.TextureSampleType[sampleTypeInt],
+ "viewDimension": WebGPU.TextureViewDimension[HEAP32[(((substructPtr) + (8)) >> 2)]],
+ "multisampled": !!(HEAPU32[(((substructPtr) + (12)) >> 2)])
+ };
+ }
+ function makeStorageTextureEntry(substructPtr) {
+ var accessInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!accessInt) return undefined;
+ return {
+ "access": WebGPU.StorageTextureAccess[accessInt],
+ "format": WebGPU.TextureFormat[HEAP32[(((substructPtr) + (8)) >> 2)]],
+ "viewDimension": WebGPU.TextureViewDimension[HEAP32[(((substructPtr) + (12)) >> 2)]]
+ };
+ }
+ function makeEntry(entryPtr) {
+ var entry = {
+ "binding": HEAPU32[(((entryPtr) + (4)) >> 2)],
+ "visibility": HEAPU32[(((entryPtr) + (8)) >> 2)],
+ "buffer": makeBufferEntry(entryPtr + 24),
+ "sampler": makeSamplerEntry(entryPtr + 48),
+ "texture": makeTextureEntry(entryPtr + 56),
+ "storageTexture": makeStorageTextureEntry(entryPtr + 72)
+ };
+ WebGPU.iterateExtensions(entryPtr, {
+ 13: ptr => {
+ entry["externalTexture"] = {};
+ }
+ });
+ return entry;
+ }
+ function makeEntries(count, entriesPtrs) {
+ var entries = [];
+ for (var i = 0; i < count; ++i) {
+ entries.push(makeEntry(entriesPtrs + 88 * i));
+ }
+ return entries;
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "entries": makeEntries(HEAPU32[(((descriptor) + (12)) >> 2)], HEAPU32[(((descriptor) + (16)) >> 2)])
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateBindGroupLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroupLayout(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateCommandEncoder = (devicePtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4)
+ };
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateCommandEncoder(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createCommandEncoder(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateComputePipeline = (devicePtr, descriptor) => {
+ var desc = WebGPU.makeComputePipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateComputePipeline(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createComputePipeline(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreatePipelineLayout = (devicePtr, descriptor) => {
+ var bglCount = HEAPU32[(((descriptor) + (12)) >> 2)];
+ var bglPtr = HEAPU32[(((descriptor) + (16)) >> 2)];
+ var bgls = [];
+ for (var i = 0; i < bglCount; ++i) {
+ bgls.push(WebGPU.getJsObject(HEAPU32[(((bglPtr) + (4 * i)) >> 2)]));
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "bindGroupLayouts": bgls
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreatePipelineLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createPipelineLayout(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateRenderPipeline = (devicePtr, descriptor) => {
+ var desc = WebGPU.makeRenderPipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateRenderPipeline(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createRenderPipeline(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateSampler = (devicePtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "addressModeU": WebGPU.AddressMode[HEAP32[(((descriptor) + (12)) >> 2)]],
+ "addressModeV": WebGPU.AddressMode[HEAP32[(((descriptor) + (16)) >> 2)]],
+ "addressModeW": WebGPU.AddressMode[HEAP32[(((descriptor) + (20)) >> 2)]],
+ "magFilter": WebGPU.FilterMode[HEAP32[(((descriptor) + (24)) >> 2)]],
+ "minFilter": WebGPU.FilterMode[HEAP32[(((descriptor) + (28)) >> 2)]],
+ "mipmapFilter": WebGPU.MipmapFilterMode[HEAP32[(((descriptor) + (32)) >> 2)]],
+ "lodMinClamp": HEAPF32[(((descriptor) + (36)) >> 2)],
+ "lodMaxClamp": HEAPF32[(((descriptor) + (40)) >> 2)],
+ "compare": WebGPU.CompareFunction[HEAP32[(((descriptor) + (44)) >> 2)]],
+ "maxAnisotropy": HEAPU16[(((descriptor) + (48)) >> 1)]
+ };
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateSampler(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createSampler(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateTexture = (devicePtr, descriptor) => {
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ var textureBindingViewDimension;
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var textureBindingViewDimensionDescriptor = nextInChainPtr;
+ textureBindingViewDimension = WebGPU.TextureViewDimension[HEAP32[(((textureBindingViewDimensionDescriptor) + (8)) >> 2)]];
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "size": WebGPU.makeExtent3D(descriptor + 28),
+ "mipLevelCount": HEAPU32[(((descriptor) + (44)) >> 2)],
+ "sampleCount": HEAPU32[(((descriptor) + (48)) >> 2)],
+ "dimension": WebGPU.TextureDimension[HEAP32[(((descriptor) + (24)) >> 2)]],
+ "format": WebGPU.TextureFormat[HEAP32[(((descriptor) + (40)) >> 2)]],
+ "usage": HEAPU32[(((descriptor) + (16)) >> 2)],
+ "textureBindingViewDimension": textureBindingViewDimension
+ };
+ var viewFormatCount = HEAPU32[(((descriptor) + (52)) >> 2)];
+ if (viewFormatCount) {
+ var viewFormatsPtr = HEAPU32[(((descriptor) + (56)) >> 2)];
+ // viewFormatsPtr pointer to an array of TextureFormat which is an enum of size uint32_t
+ desc["viewFormats"] = Array.from(HEAP32.subarray((((viewFormatsPtr) >> 2)), ((viewFormatsPtr + viewFormatCount * 4) >> 2)), format => WebGPU.TextureFormat[format]);
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateTexture(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createTexture(desc));
+ return ptr;
+};
+
+var _wgpuQueueSubmit = (queuePtr, commandCount, commands) => {
+ var queue = WebGPU.getJsObject(queuePtr);
+ var cmds = Array.from(HEAP32.subarray((((commands) >> 2)), ((commands + commandCount * 4) >> 2)), id => WebGPU.getJsObject(id));
+ queue.submit(cmds);
+};
+
+function _wgpuQueueWriteBuffer(queuePtr, bufferPtr, bufferOffset_low, bufferOffset_high, data, size) {
+ var bufferOffset = convertI32PairToI53Checked(bufferOffset_low, bufferOffset_high);
+ var queue = WebGPU.getJsObject(queuePtr);
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ // There is a size limitation for ArrayBufferView. Work around by passing in a subarray
+ // instead of the whole heap. crbug.com/1201109
+ var subarray = HEAPU8.subarray(data, data + size);
+ queue.writeBuffer(buffer, bufferOffset, subarray, 0, size);
+}
+
+var _wgpuQueueWriteTexture = (queuePtr, destinationPtr, data, dataSize, dataLayoutPtr, writeSizePtr) => {
+ var queue = WebGPU.getJsObject(queuePtr);
+ var destination = WebGPU.makeTexelCopyTextureInfo(destinationPtr);
+ var dataLayout = WebGPU.makeTexelCopyBufferLayout(dataLayoutPtr);
+ var writeSize = WebGPU.makeExtent3D(writeSizePtr);
+ // This subarray isn't strictly necessary, but helps work around an issue
+ // where Chromium makes a copy of the entire heap. crbug.com/1134457
+ var subarray = HEAPU8.subarray(data, data + dataSize);
+ queue.writeTexture(destination, subarray, dataLayout, writeSize);
+};
+
+var _wgpuRenderPassEncoderDraw = (passPtr, vertexCount, instanceCount, firstVertex, firstInstance) => {
+ firstVertex >>>= 0;
+ firstInstance >>>= 0;
+ var pass = WebGPU.getJsObject(passPtr);
+ pass.draw(vertexCount, instanceCount, firstVertex, firstInstance);
+};
+
+var _wgpuRenderPassEncoderEnd = encoderPtr => {
+ var encoder = WebGPU.getJsObject(encoderPtr);
+ encoder.end();
+};
+
+var _wgpuRenderPassEncoderSetBindGroup = (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var group = WebGPU.getJsObject(groupPtr);
+ if (dynamicOffsetCount == 0) {
+ pass.setBindGroup(groupIndex, group);
+ } else {
+ pass.setBindGroup(groupIndex, group, HEAPU32, ((dynamicOffsetsPtr) >> 2), dynamicOffsetCount);
+ }
+};
+
+var _wgpuRenderPassEncoderSetPipeline = (passPtr, pipelinePtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ pass.setPipeline(pipeline);
+};
+
+var _wgpuRenderPipelineGetBindGroupLayout = (pipelinePtr, groupIndex) => {
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ var ptr = _emwgpuCreateBindGroupLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
+ return ptr;
+};
+
+var _wgpuTextureCreateView = (texturePtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ var swizzle;
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var swizzleDescriptor = nextInChainPtr;
+ var swizzlePtr = swizzleDescriptor + 8;
+ var r = WebGPU.ComponentSwizzle[HEAP32[((swizzlePtr) >> 2)]] || "r";
+ var g = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (4)) >> 2)]] || "g";
+ var b = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (8)) >> 2)]] || "b";
+ var a = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (12)) >> 2)]] || "a";
+ swizzle = `${r}${g}${b}${a}`;
+ }
+ var mipLevelCount = HEAPU32[(((descriptor) + (24)) >> 2)];
+ var arrayLayerCount = HEAPU32[(((descriptor) + (32)) >> 2)];
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "format": WebGPU.TextureFormat[HEAP32[(((descriptor) + (12)) >> 2)]],
+ "dimension": WebGPU.TextureViewDimension[HEAP32[(((descriptor) + (16)) >> 2)]],
+ "baseMipLevel": HEAPU32[(((descriptor) + (20)) >> 2)],
+ "mipLevelCount": mipLevelCount === 4294967295 ? undefined : mipLevelCount,
+ "baseArrayLayer": HEAPU32[(((descriptor) + (28)) >> 2)],
+ "arrayLayerCount": arrayLayerCount === 4294967295 ? undefined : arrayLayerCount,
+ "aspect": WebGPU.TextureAspect[HEAP32[(((descriptor) + (36)) >> 2)]],
+ "usage": HEAPU32[(((descriptor) + (40)) >> 2)],
+ "swizzle": swizzle
+ };
+ }
+ var texture = WebGPU.getJsObject(texturePtr);
+ var ptr = _emwgpuCreateTextureView(0);
+ WebGPU.Internals.jsObjectInsert(ptr, texture.createView(desc));
+ return ptr;
+};
+
+var _wgpuTextureDestroy = texturePtr => {
+ WebGPU.getJsObject(texturePtr).destroy();
+};
+
+var _wgpuTextureGetFormat = texturePtr => {
+ var texture = WebGPU.getJsObject(texturePtr);
+ // Should return the enum integer instead of string.
+ return WebGPU.TextureFormat.indexOf(texture.format);
+};
+
+var getCFunc = ident => {
+ var func = Module["_" + ident];
+ // closure exported function
+ return func;
+};
+
+var writeArrayToMemory = (array, buffer) => {
+ HEAP8.set(array, buffer);
+};
+
+/**
+ * @param {string|null=} returnType
+ * @param {Array=} argTypes
+ * @param {Array=} args
+ * @param {Object=} opts
+ */ var ccall = (ident, returnType, argTypes, args, opts) => {
+ // For fast lookup of conversion functions
+ var toC = {
+ "string": str => {
+ var ret = 0;
+ if (str !== null && str !== undefined && str !== 0) {
+ // null string
+ ret = stringToUTF8OnStack(str);
+ }
+ return ret;
+ },
+ "array": arr => {
+ var ret = stackAlloc(arr.length);
+ writeArrayToMemory(arr, ret);
+ return ret;
+ }
+ };
+ function convertReturnValue(ret) {
+ if (returnType === "string") {
+ return UTF8ToString(ret);
+ }
+ if (returnType === "boolean") return Boolean(ret);
+ return ret;
+ }
+ var func = getCFunc(ident);
+ var cArgs = [];
+ var stack = 0;
+ if (args) {
+ for (var i = 0; i < args.length; i++) {
+ var converter = toC[argTypes[i]];
+ if (converter) {
+ if (stack === 0) stack = stackSave();
+ cArgs[i] = converter(args[i]);
+ } else {
+ cArgs[i] = args[i];
+ }
+ }
+ }
+ var ret = func(...cArgs);
+ function onDone(ret) {
+ if (stack !== 0) stackRestore(stack);
+ return convertReturnValue(ret);
+ }
+ ret = onDone(ret);
+ return ret;
+};
+
+var FS_createPath = (...args) => FS.createPath(...args);
+
+var FS_unlink = (...args) => FS.unlink(...args);
+
+var FS_createLazyFile = (...args) => FS.createLazyFile(...args);
+
+var FS_createDevice = (...args) => FS.createDevice(...args);
+
+FS.createPreloadedFile = FS_createPreloadedFile;
+
+FS.preloadFile = FS_preloadFile;
+
+FS.staticInit();
+
+// Signal GL rendering layer that processing of a new frame is about to
+// start. This helps it optimize VBO double-buffering and reduce GPU stalls.
+registerPreMainLoop(() => GL.newRenderingFrameStarted());
+
+for (let i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));
+
+var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
+
+// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
+for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
+ miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i);
+}
+
+var miniTempWebGLIntBuffersStorage = new Int32Array(288);
+
+// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
+for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
+ miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i);
+}
+
+// End JS library code
+// include: postlibrary.js
+// This file is included after the automatically-generated JS library code
+// but before the wasm module is created.
+{
+ // Begin ATMODULES hooks
+ if (Module["preloadPlugins"]) preloadPlugins = Module["preloadPlugins"];
+ if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];
+ if (Module["print"]) out = Module["print"];
+ if (Module["printErr"]) err = Module["printErr"];
+ if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
+ // End ATMODULES hooks
+ if (Module["arguments"]) arguments_ = Module["arguments"];
+ if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
+ if (Module["preInit"]) {
+ if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
+ while (Module["preInit"].length > 0) {
+ Module["preInit"].shift()();
+ }
+ }
+}
+
+// Begin runtime exports
+Module["addRunDependency"] = addRunDependency;
+
+Module["removeRunDependency"] = removeRunDependency;
+
+Module["ccall"] = ccall;
+
+Module["stringToNewUTF8"] = stringToNewUTF8;
+
+Module["FS_preloadFile"] = FS_preloadFile;
+
+Module["FS_unlink"] = FS_unlink;
+
+Module["FS_createPath"] = FS_createPath;
+
+Module["FS_createDevice"] = FS_createDevice;
+
+Module["FS_createDataFile"] = FS_createDataFile;
+
+Module["FS_createLazyFile"] = FS_createLazyFile;
+
+// End runtime exports
+// Begin JS library exports
+// End JS library exports
+// end include: postlibrary.js
+var ASM_CONSTS = {
+ 1462283: $0 => {
+ const canvas = Emval.toValue($0);
+ const context = canvas.getContext("webgpu");
+ return WebGPU.importJsTexture(context.getCurrentTexture());
+ },
+ 1462426: ($0, $1, $2, $3, $4) => {
+ const drawable = Emval.toValue($0);
+ const device = WebGPU.getJsObject($1);
+ const texture = WebGPU.getJsObject($2);
+ const width = $3;
+ const height = $4;
+ device.queue.copyExternalImageToTexture({
+ source: drawable
+ }, {
+ texture
+ }, [ width, height ]);
+ },
+ 1462685: ($0, $1, $2, $3) => {
+ const sourceExtTex = Emval.toValue($0);
+ const device = WebGPU.getJsObject($1);
+ const sampler = WebGPU.getJsObject($2);
+ const bgLayout = WebGPU.getJsObject($3);
+ const bindGroup = device.createBindGroup({
+ layout: bgLayout,
+ entries: [ {
+ binding: 0,
+ resource: sampler
+ }, {
+ binding: 1,
+ resource: sourceExtTex
+ } ]
+ });
+ return WebGPU.importJsBindGroup(bindGroup);
+ },
+ 1463055: ($0, $1) => {
+ const input = Emval.toValue($0);
+ const output = Emval.toValue($1);
+ const ctx = output.getContext("2d");
+ ctx.drawImage(input, 0, 0, output.width, output.height);
+ },
+ 1463220: ($0, $1) => {
+ const inputArray = Emval.toValue($0);
+ const output = Emval.toValue($1);
+ const ctx = output.getContext("2d");
+ const image_data = new ImageData(inputArray, output.width, output.height);
+ ctx.putImageData(image_data, 0, 0);
+ },
+ 1463444: ($0, $1) => {
+ const input = Emval.toValue($0);
+ const outputArray = Emval.toValue($1);
+ const ctx = input.getContext("2d");
+ const data = ctx.getImageData(0, 0, input.width, input.height);
+ outputArray.set(data.data);
+ },
+ 1463648: () => (typeof HTMLCanvasElement !== "undefined"),
+ 1463703: () => !!Module["preinitializedWebGPUDevice"],
+ 1463754: () => {
+ specialHTMLTargets["#canvas"] = Module.canvas;
+ }
+};
+
+function BeginGlQueryTiming(calc_name, num_repetitions) {
+ const gl = Module.canvas.getContext("webgl2");
+ const query = gl.createQuery();
+ Module.WEBGL_SHADER_CALC_METRICS = Module.WEBGL_SHADER_CALC_METRICS || {};
+ Module.WEBGL_SHADER_CALC_METRICS[UTF8ToString(calc_name)] = {
+ query,
+ repetitions: num_repetitions
+ };
+ Module.WEBGL_QUERY_TIMER_EXT = Module.WEBGL_QUERY_TIMER_EXT || gl.getExtension("EXT_disjoint_timer_query_webgl2");
+ gl.beginQuery(Module.WEBGL_QUERY_TIMER_EXT.TIME_ELAPSED_EXT, query);
+}
+
+function EndGlQueryTiming(calc_name) {
+ const gl = Module.canvas.getContext("webgl2");
+ gl.endQuery(Module.WEBGL_QUERY_TIMER_EXT.TIME_ELAPSED_EXT, Module.WEBGL_SHADER_CALC_METRICS[UTF8ToString(calc_name)].query);
+}
+
+function JsWrapImageConverter() {
+ if (!Module._imageConverter) {
+ Module._imageConverter = (binaryPtr, binarySize, width, height, numChannels, makeDeepCopy, outputType) => {
+ const imageData = new outputType(makeDeepCopy ? Module.HEAPU8.slice(binaryPtr, binaryPtr + binarySize).buffer : Module.HEAPU8.buffer, binaryPtr, width * height * numChannels);
+ return {
+ data: imageData,
+ width,
+ height
+ };
+ };
+ }
+}
+
+function JsOnUint8ArrayImageListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Uint8Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, timestamp_ms);
+}
+
+function JsOnFloat32ArrayImageListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Float32Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, timestamp_ms);
+}
+
+function JsOnWebGLTextureListener(output_stream_name, name, width, height, timestamp_ms) {
+ Module._wrapSimpleListenerOutput(output_stream_name, {
+ data: GL.textures[name],
+ width,
+ height
+ }, timestamp_ms);
+}
+
+function JsOnUint8ArrayImageVectorListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Uint8Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, false, timestamp_ms);
+}
+
+function JsOnFloat32ArrayImageVectorListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Float32Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, false, timestamp_ms);
+}
+
+function JsOnWebGLTextureVectorListener(output_stream_name, name, width, height, timestamp_ms) {
+ Module._wrapSimpleListenerOutput(output_stream_name, {
+ data: GL.textures[name],
+ width,
+ height
+ }, false, timestamp_ms);
+}
+
+function JsOnEmptyPacketListener(output_stream_name, timestamp) {
+ Module._wrapEmptyPacketListenerOutput(output_stream_name, timestamp);
+}
+
+function JsOnVectorFinishedListener(output_stream_name, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, undefined, true, timestamp);
+}
+
+function JsOnSimpleListenerBool(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerBool(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerInt(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerInt(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerUint(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerUint(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerDouble(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerDouble(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerFloat(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerFloat(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerString(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), timestamp);
+}
+
+function JsOnVectorListenerString(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), false, timestamp);
+}
+
+function JsOnVectorListenerProto(output_stream_name, proto_ptr, proto_size, make_deep_copy, timestamp) {
+ const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(proto_ptr, proto_ptr + proto_size) : new Uint8Array(Module.HEAPU8.buffer, proto_ptr, proto_size);
+ Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, false, timestamp);
+}
+
+function JsWrapSimpleListeners() {
+ if (!Module._wrapSimpleListenerOutput) {
+ Module._wrapSimpleListenerOutput = (outputStreamName, ...args) => {
+ if (Module.simpleListeners) {
+ const streamName = UTF8ToString(outputStreamName);
+ if (Module.simpleListeners[streamName]) {
+ Module.simpleListeners[streamName](...args);
+ }
+ }
+ };
+ }
+ if (!Module._wrapEmptyPacketListenerOutput) {
+ Module._wrapEmptyPacketListenerOutput = (outputStreamName, timestamp) => {
+ if (Module.emptyPacketListeners) {
+ const streamName = UTF8ToString(outputStreamName);
+ if (Module.emptyPacketListeners[streamName]) {
+ Module.emptyPacketListeners[streamName](timestamp);
+ }
+ }
+ };
+ }
+}
+
+function JsOnSimpleListenerBinaryArray(output_stream_name, binary_ptr, binary_size, make_deep_copy, timestamp) {
+ const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(binary_ptr, binary_ptr + binary_size) : new Uint8Array(Module.HEAPU8.buffer, binary_ptr, binary_size);
+ Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, timestamp);
+}
+
+function mediapipe_import_external_texture(device_handle, source_handle) {
+ const device = WebGPU.getJsObject(device_handle);
+ const source = Emval.toValue(source_handle);
+ const externalTexture = device.importExternalTexture({
+ source
+ });
+ return Emval.toHandle(externalTexture);
+}
+
+function mediapipe_create_utility_canvas2d() {
+ let canvas;
+ if (typeof HTMLCanvasElement !== "undefined") {
+ canvas = document.createElement("canvas");
+ canvas.style.display = "none";
+ } else {
+ canvas = new OffscreenCanvas(0, 0);
+ }
+ return Emval.toHandle(canvas);
+}
+
+function GetAdapterArchitecture() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const architecture = device.adapterInfo ? device.adapterInfo.architecture : "Unknown";
+ return stringToNewUTF8(architecture);
+}
+
+function GetAdapterDescription() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const description = device.adapterInfo ? device.adapterInfo.description : "Unknown";
+ return stringToNewUTF8(description);
+}
+
+function GetAdapterDeviceName() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const deviceName = device.adapterInfo ? device.adapterInfo.device : "Unknown";
+ return stringToNewUTF8(deviceName);
+}
+
+function GetAdapterVendor() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const vendor = device.adapterInfo ? device.adapterInfo.vendor : "Unknown";
+ return stringToNewUTF8(vendor);
+}
+
+function __asyncjs__mediapipe_map_buffer_jspi(buffer_handle, data) {
+ return Asyncify.handleAsync(async () => {
+ const buffer = WebGPU.getJsObject(buffer_handle);
+ if ("mapSync" in buffer) {
+ buffer.mapSync(GPUMapMode.READ);
+ } else {
+ await buffer.mapAsync(GPUMapMode.READ);
+ }
+ const mapped = buffer.getMappedRange();
+ HEAPU8.set(new Uint8Array(mapped), data);
+ buffer.unmap();
+ });
+}
+
+function hardware_concurrency() {
+ var concurrency = 1;
+ try {
+ concurrency = self.navigator.hardwareConcurrency;
+ } catch (e) {}
+ return concurrency;
+}
+
+function JsWrapErrorListener(code, message) {
+ if (Module.errorListener) {
+ const stringMessage = UTF8ToString(message);
+ Module.errorListener(code, stringMessage);
+ }
+}
+
+function UseBottomLeftGpuOrigin() {
+ return (Module && Module.gpuOriginForWebTexturesIsBottomLeft);
+}
+
+function custom_emscripten_dbgn(str, len) {
+ if (typeof (dbg) !== "undefined") {
+ dbg(UTF8ToString(str, len));
+ } else {
+ if (typeof (custom_dbg) === "undefined") {
+ function custom_dbg(text) {
+ console.warn.apply(console, arguments);
+ }
+ }
+ custom_dbg(UTF8ToString(str, len));
+ }
+}
+
+// Imports from the Wasm binary.
+var _free, _malloc, _wgpuDeviceAddRef, _addBoundTextureAsImageToStream, _attachImageListener, _attachImageVectorListener, _registerModelResourcesGraphService, _bindTextureToStream, _addBoundTextureToStream, _addDoubleToInputStream, _addFloatToInputStream, _addBoolToInputStream, _addIntToInputStream, _addUintToInputStream, _addStringToInputStream, _addRawDataSpanToInputStream, _allocateBoolVector, _allocateFloatVector, _allocateDoubleVector, _allocateIntVector, _allocateUintVector, _allocateStringVector, _addBoolVectorEntry, _addFloatVectorEntry, _addDoubleVectorEntry, _addIntVectorEntry, _addUintVectorEntry, _addStringVectorEntry, _addBoolVectorToInputStream, _addFloatVectorToInputStream, _addDoubleVectorToInputStream, _addIntVectorToInputStream, _addUintVectorToInputStream, _addStringVectorToInputStream, _addFlatHashMapToInputStream, _addProtoToInputStream, _addEmptyPacketToInputStream, _addBoolToInputSidePacket, _addDoubleToInputSidePacket, _addFloatToInputSidePacket, _addIntToInputSidePacket, _addUintToInputSidePacket, _addStringToInputSidePacket, _addRawDataSpanToInputSidePacket, _addProtoToInputSidePacket, _addBoolVectorToInputSidePacket, _addDoubleVectorToInputSidePacket, _addFloatVectorToInputSidePacket, _addIntVectorToInputSidePacket, _addUintVectorToInputSidePacket, _addStringVectorToInputSidePacket, _attachBoolListener, _attachBoolVectorListener, _attachDoubleListener, _attachDoubleVectorListener, _attachFloatListener, _attachFloatVectorListener, _attachIntListener, _attachIntVectorListener, _attachUintListener, _attachUintVectorListener, _attachStringListener, _attachStringVectorListener, _attachProtoListener, _attachProtoVectorListener, _getGraphConfig, ___getTypeName, _emwgpuCreateBindGroup, _emwgpuCreateBindGroupLayout, _emwgpuCreateCommandBuffer, _emwgpuCreateCommandEncoder, _emwgpuCreateComputePassEncoder, _emwgpuCreateComputePipeline, _emwgpuCreateExternalTexture, _emwgpuCreatePipelineLayout, _emwgpuCreateQuerySet, _emwgpuCreateRenderBundle, _emwgpuCreateRenderBundleEncoder, _emwgpuCreateRenderPassEncoder, _emwgpuCreateRenderPipeline, _emwgpuCreateSampler, _emwgpuCreateSurface, _emwgpuCreateTexture, _emwgpuCreateTextureView, _emwgpuCreateAdapter, _emwgpuImportBuffer, _emwgpuCreateDevice, _emwgpuCreateQueue, _emwgpuCreateShaderModule, _emwgpuOnCreateComputePipelineCompleted, _emwgpuOnCreateRenderPipelineCompleted, _clearSubgraphs, _pushBinarySubgraph, _pushTextSubgraph, _changeBinaryGraph, _changeTextGraph, _processGl, _process, _bindTextureToCanvas, _requestShaderRefreshOnGraphChange, _waitUntilIdle, _closeGraph, _setAutoRenderToScreen, _emscripten_builtin_memalign, _memalign, __emscripten_tempret_set, __emscripten_stack_restore, __emscripten_stack_alloc, _emscripten_stack_get_current, dynCall_ji, dynCall_jii, dynCall_iiiijij, dynCall_viiji, dynCall_viji, dynCall_iiiji, dynCall_jjj, dynCall_iiiijj, dynCall_viijj, dynCall_viiijjj, dynCall_vij, dynCall_viiiji, dynCall_viijii, dynCall_vijjj, dynCall_vj, dynCall_viij, dynCall_jiji, dynCall_iiiiij, dynCall_iiiiijj, dynCall_iiiiiijj, memory, _kVersionStampBuildChangelistStr, _kVersionStampCitcSnapshotStr, _kVersionStampCitcWorkspaceIdStr, _kVersionStampSourceUriStr, _kVersionStampBuildClientStr, _kVersionStampBuildClientMintStatusStr, _kVersionStampBuildCompilerStr, _kVersionStampBuildDateTimePstStr, _kVersionStampBuildDepotPathStr, _kVersionStampBuildIdStr, _kVersionStampBuildInfoStr, _kVersionStampBuildLabelStr, _kVersionStampBuildTargetStr, _kVersionStampBuildTimestampStr, _kVersionStampBuildToolStr, _kVersionStampG3BuildTargetStr, _kVersionStampVerifiableStr, _kVersionStampBuildFdoTypeStr, _kVersionStampBuildBaselineChangelistStr, _kVersionStampBuildLtoTypeStr, _kVersionStampBuildPropellerTypeStr, _kVersionStampBuildPghoTypeStr, _kVersionStampBuildUsernameStr, _kVersionStampBuildHostnameStr, _kVersionStampBuildDirectoryStr, _kVersionStampBuildChangelistInt, _kVersionStampCitcSnapshotInt, _kVersionStampBuildClientMintStatusInt, _kVersionStampBuildTimestampInt, _kVersionStampVerifiableInt, _kVersionStampBuildCoverageEnabledInt, _kVersionStampBuildBaselineChangelistInt, _kVersionStampPrecookedTimestampStr, _kVersionStampPrecookedClientInfoStr, __indirect_function_table, wasmMemory, wasmTable;
+
+function assignWasmExports(wasmExports) {
+ _free = Module["_free"] = wasmExports["Td"];
+ _malloc = Module["_malloc"] = wasmExports["Ud"];
+ _wgpuDeviceAddRef = wasmExports["Vd"];
+ _addBoundTextureAsImageToStream = Module["_addBoundTextureAsImageToStream"] = wasmExports["Wd"];
+ _attachImageListener = Module["_attachImageListener"] = wasmExports["Xd"];
+ _attachImageVectorListener = Module["_attachImageVectorListener"] = wasmExports["Yd"];
+ _registerModelResourcesGraphService = Module["_registerModelResourcesGraphService"] = wasmExports["Zd"];
+ _bindTextureToStream = Module["_bindTextureToStream"] = wasmExports["_d"];
+ _addBoundTextureToStream = Module["_addBoundTextureToStream"] = wasmExports["$d"];
+ _addDoubleToInputStream = Module["_addDoubleToInputStream"] = wasmExports["ae"];
+ _addFloatToInputStream = Module["_addFloatToInputStream"] = wasmExports["be"];
+ _addBoolToInputStream = Module["_addBoolToInputStream"] = wasmExports["ce"];
+ _addIntToInputStream = Module["_addIntToInputStream"] = wasmExports["de"];
+ _addUintToInputStream = Module["_addUintToInputStream"] = wasmExports["ee"];
+ _addStringToInputStream = Module["_addStringToInputStream"] = wasmExports["fe"];
+ _addRawDataSpanToInputStream = Module["_addRawDataSpanToInputStream"] = wasmExports["ge"];
+ _allocateBoolVector = Module["_allocateBoolVector"] = wasmExports["he"];
+ _allocateFloatVector = Module["_allocateFloatVector"] = wasmExports["ie"];
+ _allocateDoubleVector = Module["_allocateDoubleVector"] = wasmExports["je"];
+ _allocateIntVector = Module["_allocateIntVector"] = wasmExports["ke"];
+ _allocateUintVector = Module["_allocateUintVector"] = wasmExports["le"];
+ _allocateStringVector = Module["_allocateStringVector"] = wasmExports["me"];
+ _addBoolVectorEntry = Module["_addBoolVectorEntry"] = wasmExports["ne"];
+ _addFloatVectorEntry = Module["_addFloatVectorEntry"] = wasmExports["oe"];
+ _addDoubleVectorEntry = Module["_addDoubleVectorEntry"] = wasmExports["pe"];
+ _addIntVectorEntry = Module["_addIntVectorEntry"] = wasmExports["qe"];
+ _addUintVectorEntry = Module["_addUintVectorEntry"] = wasmExports["re"];
+ _addStringVectorEntry = Module["_addStringVectorEntry"] = wasmExports["se"];
+ _addBoolVectorToInputStream = Module["_addBoolVectorToInputStream"] = wasmExports["te"];
+ _addFloatVectorToInputStream = Module["_addFloatVectorToInputStream"] = wasmExports["ue"];
+ _addDoubleVectorToInputStream = Module["_addDoubleVectorToInputStream"] = wasmExports["ve"];
+ _addIntVectorToInputStream = Module["_addIntVectorToInputStream"] = wasmExports["we"];
+ _addUintVectorToInputStream = Module["_addUintVectorToInputStream"] = wasmExports["xe"];
+ _addStringVectorToInputStream = Module["_addStringVectorToInputStream"] = wasmExports["ye"];
+ _addFlatHashMapToInputStream = Module["_addFlatHashMapToInputStream"] = wasmExports["ze"];
+ _addProtoToInputStream = Module["_addProtoToInputStream"] = wasmExports["Ae"];
+ _addEmptyPacketToInputStream = Module["_addEmptyPacketToInputStream"] = wasmExports["Be"];
+ _addBoolToInputSidePacket = Module["_addBoolToInputSidePacket"] = wasmExports["Ce"];
+ _addDoubleToInputSidePacket = Module["_addDoubleToInputSidePacket"] = wasmExports["De"];
+ _addFloatToInputSidePacket = Module["_addFloatToInputSidePacket"] = wasmExports["Ee"];
+ _addIntToInputSidePacket = Module["_addIntToInputSidePacket"] = wasmExports["Fe"];
+ _addUintToInputSidePacket = Module["_addUintToInputSidePacket"] = wasmExports["Ge"];
+ _addStringToInputSidePacket = Module["_addStringToInputSidePacket"] = wasmExports["He"];
+ _addRawDataSpanToInputSidePacket = Module["_addRawDataSpanToInputSidePacket"] = wasmExports["Ie"];
+ _addProtoToInputSidePacket = Module["_addProtoToInputSidePacket"] = wasmExports["Je"];
+ _addBoolVectorToInputSidePacket = Module["_addBoolVectorToInputSidePacket"] = wasmExports["Ke"];
+ _addDoubleVectorToInputSidePacket = Module["_addDoubleVectorToInputSidePacket"] = wasmExports["Le"];
+ _addFloatVectorToInputSidePacket = Module["_addFloatVectorToInputSidePacket"] = wasmExports["Me"];
+ _addIntVectorToInputSidePacket = Module["_addIntVectorToInputSidePacket"] = wasmExports["Ne"];
+ _addUintVectorToInputSidePacket = Module["_addUintVectorToInputSidePacket"] = wasmExports["Oe"];
+ _addStringVectorToInputSidePacket = Module["_addStringVectorToInputSidePacket"] = wasmExports["Pe"];
+ _attachBoolListener = Module["_attachBoolListener"] = wasmExports["Qe"];
+ _attachBoolVectorListener = Module["_attachBoolVectorListener"] = wasmExports["Re"];
+ _attachDoubleListener = Module["_attachDoubleListener"] = wasmExports["Se"];
+ _attachDoubleVectorListener = Module["_attachDoubleVectorListener"] = wasmExports["Te"];
+ _attachFloatListener = Module["_attachFloatListener"] = wasmExports["Ue"];
+ _attachFloatVectorListener = Module["_attachFloatVectorListener"] = wasmExports["Ve"];
+ _attachIntListener = Module["_attachIntListener"] = wasmExports["We"];
+ _attachIntVectorListener = Module["_attachIntVectorListener"] = wasmExports["Xe"];
+ _attachUintListener = Module["_attachUintListener"] = wasmExports["Ye"];
+ _attachUintVectorListener = Module["_attachUintVectorListener"] = wasmExports["Ze"];
+ _attachStringListener = Module["_attachStringListener"] = wasmExports["_e"];
+ _attachStringVectorListener = Module["_attachStringVectorListener"] = wasmExports["$e"];
+ _attachProtoListener = Module["_attachProtoListener"] = wasmExports["af"];
+ _attachProtoVectorListener = Module["_attachProtoVectorListener"] = wasmExports["bf"];
+ _getGraphConfig = Module["_getGraphConfig"] = wasmExports["cf"];
+ ___getTypeName = wasmExports["df"];
+ _emwgpuCreateBindGroup = wasmExports["ef"];
+ _emwgpuCreateBindGroupLayout = wasmExports["ff"];
+ _emwgpuCreateCommandBuffer = wasmExports["gf"];
+ _emwgpuCreateCommandEncoder = wasmExports["hf"];
+ _emwgpuCreateComputePassEncoder = wasmExports["jf"];
+ _emwgpuCreateComputePipeline = wasmExports["kf"];
+ _emwgpuCreateExternalTexture = wasmExports["lf"];
+ _emwgpuCreatePipelineLayout = wasmExports["mf"];
+ _emwgpuCreateQuerySet = wasmExports["nf"];
+ _emwgpuCreateRenderBundle = wasmExports["of"];
+ _emwgpuCreateRenderBundleEncoder = wasmExports["pf"];
+ _emwgpuCreateRenderPassEncoder = wasmExports["qf"];
+ _emwgpuCreateRenderPipeline = wasmExports["rf"];
+ _emwgpuCreateSampler = wasmExports["sf"];
+ _emwgpuCreateSurface = wasmExports["tf"];
+ _emwgpuCreateTexture = wasmExports["uf"];
+ _emwgpuCreateTextureView = wasmExports["vf"];
+ _emwgpuCreateAdapter = wasmExports["wf"];
+ _emwgpuImportBuffer = wasmExports["xf"];
+ _emwgpuCreateDevice = wasmExports["yf"];
+ _emwgpuCreateQueue = wasmExports["zf"];
+ _emwgpuCreateShaderModule = wasmExports["Af"];
+ _emwgpuOnCreateComputePipelineCompleted = wasmExports["Bf"];
+ _emwgpuOnCreateRenderPipelineCompleted = wasmExports["Cf"];
+ _clearSubgraphs = Module["_clearSubgraphs"] = wasmExports["Df"];
+ _pushBinarySubgraph = Module["_pushBinarySubgraph"] = wasmExports["Ef"];
+ _pushTextSubgraph = Module["_pushTextSubgraph"] = wasmExports["Ff"];
+ _changeBinaryGraph = Module["_changeBinaryGraph"] = wasmExports["Gf"];
+ _changeTextGraph = Module["_changeTextGraph"] = wasmExports["Hf"];
+ _processGl = Module["_processGl"] = wasmExports["If"];
+ _process = Module["_process"] = wasmExports["Jf"];
+ _bindTextureToCanvas = Module["_bindTextureToCanvas"] = wasmExports["Kf"];
+ _requestShaderRefreshOnGraphChange = Module["_requestShaderRefreshOnGraphChange"] = wasmExports["Lf"];
+ _waitUntilIdle = Module["_waitUntilIdle"] = wasmExports["Mf"];
+ _closeGraph = Module["_closeGraph"] = wasmExports["Nf"];
+ _setAutoRenderToScreen = Module["_setAutoRenderToScreen"] = wasmExports["Of"];
+ _emscripten_builtin_memalign = wasmExports["Pf"];
+ _memalign = wasmExports["Qf"];
+ __emscripten_tempret_set = wasmExports["Rf"];
+ __emscripten_stack_restore = wasmExports["Sf"];
+ __emscripten_stack_alloc = wasmExports["Tf"];
+ _emscripten_stack_get_current = wasmExports["Uf"];
+ dynCall_ji = wasmExports["dynCall_ji"];
+ dynCall_jii = wasmExports["dynCall_jii"];
+ dynCall_iiiijij = wasmExports["dynCall_iiiijij"];
+ dynCall_viiji = wasmExports["dynCall_viiji"];
+ dynCall_viji = wasmExports["dynCall_viji"];
+ dynCall_iiiji = wasmExports["dynCall_iiiji"];
+ dynCall_jjj = wasmExports["dynCall_jjj"];
+ dynCall_iiiijj = wasmExports["dynCall_iiiijj"];
+ dynCall_viijj = wasmExports["dynCall_viijj"];
+ dynCall_viiijjj = wasmExports["dynCall_viiijjj"];
+ dynCall_vij = wasmExports["dynCall_vij"];
+ dynCall_viiiji = wasmExports["dynCall_viiiji"];
+ dynCall_viijii = wasmExports["dynCall_viijii"];
+ dynCall_vijjj = wasmExports["dynCall_vijjj"];
+ dynCall_vj = wasmExports["dynCall_vj"];
+ dynCall_viij = wasmExports["dynCall_viij"];
+ dynCall_jiji = wasmExports["dynCall_jiji"];
+ dynCall_iiiiij = wasmExports["dynCall_iiiiij"];
+ dynCall_iiiiijj = wasmExports["dynCall_iiiiijj"];
+ dynCall_iiiiiijj = wasmExports["dynCall_iiiiiijj"];
+ memory = wasmMemory = wasmExports["id"];
+ _kVersionStampBuildChangelistStr = Module["_kVersionStampBuildChangelistStr"] = wasmExports["kd"].value;
+ _kVersionStampCitcSnapshotStr = Module["_kVersionStampCitcSnapshotStr"] = wasmExports["ld"].value;
+ _kVersionStampCitcWorkspaceIdStr = Module["_kVersionStampCitcWorkspaceIdStr"] = wasmExports["md"].value;
+ _kVersionStampSourceUriStr = Module["_kVersionStampSourceUriStr"] = wasmExports["nd"].value;
+ _kVersionStampBuildClientStr = Module["_kVersionStampBuildClientStr"] = wasmExports["od"].value;
+ _kVersionStampBuildClientMintStatusStr = Module["_kVersionStampBuildClientMintStatusStr"] = wasmExports["pd"].value;
+ _kVersionStampBuildCompilerStr = Module["_kVersionStampBuildCompilerStr"] = wasmExports["qd"].value;
+ _kVersionStampBuildDateTimePstStr = Module["_kVersionStampBuildDateTimePstStr"] = wasmExports["rd"].value;
+ _kVersionStampBuildDepotPathStr = Module["_kVersionStampBuildDepotPathStr"] = wasmExports["sd"].value;
+ _kVersionStampBuildIdStr = Module["_kVersionStampBuildIdStr"] = wasmExports["td"].value;
+ _kVersionStampBuildInfoStr = Module["_kVersionStampBuildInfoStr"] = wasmExports["ud"].value;
+ _kVersionStampBuildLabelStr = Module["_kVersionStampBuildLabelStr"] = wasmExports["vd"].value;
+ _kVersionStampBuildTargetStr = Module["_kVersionStampBuildTargetStr"] = wasmExports["wd"].value;
+ _kVersionStampBuildTimestampStr = Module["_kVersionStampBuildTimestampStr"] = wasmExports["xd"].value;
+ _kVersionStampBuildToolStr = Module["_kVersionStampBuildToolStr"] = wasmExports["yd"].value;
+ _kVersionStampG3BuildTargetStr = Module["_kVersionStampG3BuildTargetStr"] = wasmExports["zd"].value;
+ _kVersionStampVerifiableStr = Module["_kVersionStampVerifiableStr"] = wasmExports["Ad"].value;
+ _kVersionStampBuildFdoTypeStr = Module["_kVersionStampBuildFdoTypeStr"] = wasmExports["Bd"].value;
+ _kVersionStampBuildBaselineChangelistStr = Module["_kVersionStampBuildBaselineChangelistStr"] = wasmExports["Cd"].value;
+ _kVersionStampBuildLtoTypeStr = Module["_kVersionStampBuildLtoTypeStr"] = wasmExports["Dd"].value;
+ _kVersionStampBuildPropellerTypeStr = Module["_kVersionStampBuildPropellerTypeStr"] = wasmExports["Ed"].value;
+ _kVersionStampBuildPghoTypeStr = Module["_kVersionStampBuildPghoTypeStr"] = wasmExports["Fd"].value;
+ _kVersionStampBuildUsernameStr = Module["_kVersionStampBuildUsernameStr"] = wasmExports["Gd"].value;
+ _kVersionStampBuildHostnameStr = Module["_kVersionStampBuildHostnameStr"] = wasmExports["Hd"].value;
+ _kVersionStampBuildDirectoryStr = Module["_kVersionStampBuildDirectoryStr"] = wasmExports["Id"].value;
+ _kVersionStampBuildChangelistInt = Module["_kVersionStampBuildChangelistInt"] = wasmExports["Jd"].value;
+ _kVersionStampCitcSnapshotInt = Module["_kVersionStampCitcSnapshotInt"] = wasmExports["Kd"].value;
+ _kVersionStampBuildClientMintStatusInt = Module["_kVersionStampBuildClientMintStatusInt"] = wasmExports["Ld"].value;
+ _kVersionStampBuildTimestampInt = Module["_kVersionStampBuildTimestampInt"] = wasmExports["Md"].value;
+ _kVersionStampVerifiableInt = Module["_kVersionStampVerifiableInt"] = wasmExports["Nd"].value;
+ _kVersionStampBuildCoverageEnabledInt = Module["_kVersionStampBuildCoverageEnabledInt"] = wasmExports["Od"].value;
+ _kVersionStampBuildBaselineChangelistInt = Module["_kVersionStampBuildBaselineChangelistInt"] = wasmExports["Pd"].value;
+ _kVersionStampPrecookedTimestampStr = Module["_kVersionStampPrecookedTimestampStr"] = wasmExports["Qd"].value;
+ _kVersionStampPrecookedClientInfoStr = Module["_kVersionStampPrecookedClientInfoStr"] = wasmExports["Rd"].value;
+ __indirect_function_table = wasmTable = wasmExports["Sd"];
+}
+
+var wasmImports = {
+ /** @export */ hd: BeginGlQueryTiming,
+ /** @export */ gd: EndGlQueryTiming,
+ /** @export */ fd: GetAdapterArchitecture,
+ /** @export */ ed: GetAdapterDescription,
+ /** @export */ dd: GetAdapterDeviceName,
+ /** @export */ cd: GetAdapterVendor,
+ /** @export */ bd: JsOnEmptyPacketListener,
+ /** @export */ ad: JsOnFloat32ArrayImageListener,
+ /** @export */ $c: JsOnFloat32ArrayImageVectorListener,
+ /** @export */ pb: JsOnSimpleListenerBinaryArray,
+ /** @export */ _c: JsOnSimpleListenerBool,
+ /** @export */ Zc: JsOnSimpleListenerDouble,
+ /** @export */ Yc: JsOnSimpleListenerFloat,
+ /** @export */ Xc: JsOnSimpleListenerInt,
+ /** @export */ Wc: JsOnSimpleListenerString,
+ /** @export */ Vc: JsOnSimpleListenerUint,
+ /** @export */ Uc: JsOnUint8ArrayImageListener,
+ /** @export */ Tc: JsOnUint8ArrayImageVectorListener,
+ /** @export */ P: JsOnVectorFinishedListener,
+ /** @export */ Sc: JsOnVectorListenerBool,
+ /** @export */ Rc: JsOnVectorListenerDouble,
+ /** @export */ Qc: JsOnVectorListenerFloat,
+ /** @export */ Pc: JsOnVectorListenerInt,
+ /** @export */ Oc: JsOnVectorListenerProto,
+ /** @export */ Nc: JsOnVectorListenerString,
+ /** @export */ Mc: JsOnVectorListenerUint,
+ /** @export */ Lc: JsOnWebGLTextureListener,
+ /** @export */ Kc: JsOnWebGLTextureVectorListener,
+ /** @export */ Pa: JsWrapErrorListener,
+ /** @export */ ob: JsWrapImageConverter,
+ /** @export */ u: JsWrapSimpleListeners,
+ /** @export */ nb: UseBottomLeftGpuOrigin,
+ /** @export */ yb: __asyncjs__mediapipe_map_buffer_jspi,
+ /** @export */ r: ___cxa_throw,
+ /** @export */ Jc: ___syscall_dup,
+ /** @export */ Ic: ___syscall_faccessat,
+ /** @export */ mb: ___syscall_fcntl64,
+ /** @export */ Hc: ___syscall_fstat64,
+ /** @export */ Mb: ___syscall_ftruncate64,
+ /** @export */ Gc: ___syscall_ioctl,
+ /** @export */ Fc: ___syscall_lstat64,
+ /** @export */ Ec: ___syscall_newfstatat,
+ /** @export */ lb: ___syscall_openat,
+ /** @export */ Dc: ___syscall_stat64,
+ /** @export */ yc: __abort_js,
+ /** @export */ Jb: __embind_register_bigint,
+ /** @export */ xc: __embind_register_bool,
+ /** @export */ wc: __embind_register_emval,
+ /** @export */ jb: __embind_register_float,
+ /** @export */ J: __embind_register_integer,
+ /** @export */ q: __embind_register_memory_view,
+ /** @export */ vc: __embind_register_std_string,
+ /** @export */ Ma: __embind_register_std_wstring,
+ /** @export */ uc: __embind_register_void,
+ /** @export */ $: __emval_create_invoker,
+ /** @export */ p: __emval_decref,
+ /** @export */ La: __emval_get_global,
+ /** @export */ ib: __emval_get_property,
+ /** @export */ ja: __emval_incref,
+ /** @export */ Ka: __emval_instanceof,
+ /** @export */ _: __emval_invoke,
+ /** @export */ ua: __emval_new_cstring,
+ /** @export */ Z: __emval_run_destructors,
+ /** @export */ hb: __emval_set_property,
+ /** @export */ tc: __emval_typeof,
+ /** @export */ Ib: __gmtime_js,
+ /** @export */ Hb: __localtime_js,
+ /** @export */ Gb: __mktime_js,
+ /** @export */ Fb: __mmap_js,
+ /** @export */ Eb: __munmap_js,
+ /** @export */ sc: __tzset_js,
+ /** @export */ Lb: _clock_time_get,
+ /** @export */ rc: custom_emscripten_dbgn,
+ /** @export */ Y: _emscripten_asm_const_int,
+ /** @export */ gb: _emscripten_asm_const_ptr,
+ /** @export */ Ja: _emscripten_errn,
+ /** @export */ qc: _emscripten_get_heap_max,
+ /** @export */ y: _emscripten_get_now,
+ /** @export */ ia: _emscripten_has_asyncify,
+ /** @export */ pc: _emscripten_outn,
+ /** @export */ oc: _emscripten_pc_get_function,
+ /** @export */ nc: _emscripten_resize_heap,
+ /** @export */ fb: _emscripten_stack_snapshot,
+ /** @export */ mc: _emscripten_stack_unwind_buffer,
+ /** @export */ lc: _emscripten_webgl_create_context,
+ /** @export */ kc: _emscripten_webgl_destroy_context,
+ /** @export */ jc: _emscripten_webgl_get_context_attributes,
+ /** @export */ ha: _emscripten_webgl_get_current_context,
+ /** @export */ ic: _emscripten_webgl_make_context_current,
+ /** @export */ R: _emscripten_webgpu_get_device,
+ /** @export */ hc: _emwgpuBufferDestroy,
+ /** @export */ gc: _emwgpuBufferGetMappedRange,
+ /** @export */ fc: _emwgpuBufferUnmap,
+ /** @export */ x: _emwgpuDelete,
+ /** @export */ ec: _emwgpuDeviceCreateBuffer,
+ /** @export */ Db: _emwgpuDeviceCreateComputePipelineAsync,
+ /** @export */ Cb: _emwgpuDeviceCreateRenderPipelineAsync,
+ /** @export */ dc: _emwgpuDeviceCreateShaderModule,
+ /** @export */ cc: _emwgpuDeviceDestroy,
+ /** @export */ bc: _emwgpuWaitAny,
+ /** @export */ Cc: _environ_get,
+ /** @export */ Bc: _environ_sizes_get,
+ /** @export */ eb: _exit,
+ /** @export */ Oa: _fd_close,
+ /** @export */ kb: _fd_read,
+ /** @export */ Kb: _fd_seek,
+ /** @export */ Na: _fd_write,
+ /** @export */ b: _glActiveTexture,
+ /** @export */ ta: _glAttachShader,
+ /** @export */ ac: _glBindAttribLocation,
+ /** @export */ c: _glBindBuffer,
+ /** @export */ db: _glBindBufferBase,
+ /** @export */ t: _glBindFramebuffer,
+ /** @export */ a: _glBindTexture,
+ /** @export */ m: _glBindVertexArray,
+ /** @export */ cb: _glBlendEquation,
+ /** @export */ $b: _glBlendFunc,
+ /** @export */ j: _glBufferData,
+ /** @export */ I: _glClear,
+ /** @export */ H: _glClearColor,
+ /** @export */ da: _glClientWaitSync,
+ /** @export */ ga: _glColorMask,
+ /** @export */ bb: _glCompileShader,
+ /** @export */ ab: _glCreateProgram,
+ /** @export */ $a: _glCreateShader,
+ /** @export */ o: _glDeleteBuffers,
+ /** @export */ Q: _glDeleteFramebuffers,
+ /** @export */ h: _glDeleteProgram,
+ /** @export */ sa: _glDeleteShader,
+ /** @export */ ra: _glDeleteSync,
+ /** @export */ D: _glDeleteTextures,
+ /** @export */ A: _glDeleteVertexArrays,
+ /** @export */ _a: _glDetachShader,
+ /** @export */ G: _glDisable,
+ /** @export */ n: _glDisableVertexAttribArray,
+ /** @export */ i: _glDrawArrays,
+ /** @export */ fa: _glDrawBuffers,
+ /** @export */ _b: _glEnable,
+ /** @export */ l: _glEnableVertexAttribArray,
+ /** @export */ Za: _glFenceSync,
+ /** @export */ qa: _glFinish,
+ /** @export */ v: _glFlush,
+ /** @export */ C: _glFramebufferTexture2D,
+ /** @export */ Ya: _glFramebufferTextureLayer,
+ /** @export */ s: _glGenBuffers,
+ /** @export */ X: _glGenFramebuffers,
+ /** @export */ F: _glGenTextures,
+ /** @export */ B: _glGenVertexArrays,
+ /** @export */ Xa: _glGetAttribLocation,
+ /** @export */ ea: _glGetError,
+ /** @export */ Zb: _glGetFloatv,
+ /** @export */ w: _glGetIntegerv,
+ /** @export */ Yb: _glGetProgramiv,
+ /** @export */ Xb: _glGetShaderInfoLog,
+ /** @export */ Wb: _glGetShaderiv,
+ /** @export */ O: _glGetString,
+ /** @export */ Vb: _glGetUniformBlockIndex,
+ /** @export */ d: _glGetUniformLocation,
+ /** @export */ Ub: _glLineWidth,
+ /** @export */ Wa: _glLinkProgram,
+ /** @export */ pa: _glPixelStorei,
+ /** @export */ oa: _glReadPixels,
+ /** @export */ Va: _glShaderSource,
+ /** @export */ E: _glTexImage2D,
+ /** @export */ na: _glTexParameterf,
+ /** @export */ Ua: _glTexParameterfv,
+ /** @export */ f: _glTexParameteri,
+ /** @export */ ma: _glTexStorage2D,
+ /** @export */ Tb: _glTexStorage3D,
+ /** @export */ W: _glTexSubImage2D,
+ /** @export */ Sb: _glTexSubImage3D,
+ /** @export */ N: _glUniform1f,
+ /** @export */ la: _glUniform1fv,
+ /** @export */ e: _glUniform1i,
+ /** @export */ V: _glUniform2f,
+ /** @export */ Rb: _glUniform2fv,
+ /** @export */ Ia: _glUniform3f,
+ /** @export */ Ta: _glUniform4f,
+ /** @export */ U: _glUniform4fv,
+ /** @export */ Qb: _glUniform4iv,
+ /** @export */ Pb: _glUniformBlockBinding,
+ /** @export */ Ob: _glUniformMatrix2fv,
+ /** @export */ Nb: _glUniformMatrix3fv,
+ /** @export */ Ha: _glUniformMatrix4fv,
+ /** @export */ g: _glUseProgram,
+ /** @export */ k: _glVertexAttribPointer,
+ /** @export */ T: _glViewport,
+ /** @export */ Ga: hardware_concurrency,
+ /** @export */ Bb: mediapipe_create_utility_canvas2d,
+ /** @export */ Ab: _mediapipe_find_canvas_event_target,
+ /** @export */ zb: mediapipe_import_external_texture,
+ /** @export */ xb: _mediapipe_webgl_tex_image_drawable,
+ /** @export */ Ac: _proc_exit,
+ /** @export */ zc: _random_get,
+ /** @export */ Fa: _wgpuCommandEncoderBeginComputePass,
+ /** @export */ Ea: _wgpuCommandEncoderBeginRenderPass,
+ /** @export */ wb: _wgpuCommandEncoderCopyBufferToTexture,
+ /** @export */ vb: _wgpuCommandEncoderCopyTextureToBuffer,
+ /** @export */ ub: _wgpuCommandEncoderCopyTextureToTexture,
+ /** @export */ M: _wgpuCommandEncoderFinish,
+ /** @export */ Da: _wgpuComputePassEncoderDispatchWorkgroups,
+ /** @export */ Ca: _wgpuComputePassEncoderEnd,
+ /** @export */ Ba: _wgpuComputePassEncoderSetBindGroup,
+ /** @export */ Aa: _wgpuComputePassEncoderSetPipeline,
+ /** @export */ za: _wgpuComputePipelineGetBindGroupLayout,
+ /** @export */ ca: _wgpuDeviceCreateBindGroup,
+ /** @export */ tb: _wgpuDeviceCreateBindGroupLayout,
+ /** @export */ L: _wgpuDeviceCreateCommandEncoder,
+ /** @export */ sb: _wgpuDeviceCreateComputePipeline,
+ /** @export */ rb: _wgpuDeviceCreatePipelineLayout,
+ /** @export */ Sa: _wgpuDeviceCreateRenderPipeline,
+ /** @export */ S: _wgpuDeviceCreateSampler,
+ /** @export */ ba: _wgpuDeviceCreateTexture,
+ /** @export */ K: _wgpuQueueSubmit,
+ /** @export */ ka: _wgpuQueueWriteBuffer,
+ /** @export */ qb: _wgpuQueueWriteTexture,
+ /** @export */ ya: _wgpuRenderPassEncoderDraw,
+ /** @export */ xa: _wgpuRenderPassEncoderEnd,
+ /** @export */ wa: _wgpuRenderPassEncoderSetBindGroup,
+ /** @export */ va: _wgpuRenderPassEncoderSetPipeline,
+ /** @export */ Ra: _wgpuRenderPipelineGetBindGroupLayout,
+ /** @export */ z: _wgpuTextureCreateView,
+ /** @export */ Qa: _wgpuTextureDestroy,
+ /** @export */ aa: _wgpuTextureGetFormat
+};
+
+// include: postamble.js
+// === Auto-generated postamble setup entry stuff ===
+function run() {
+ if (runDependencies > 0) {
+ dependenciesFulfilled = run;
+ return;
+ }
+ preRun();
+ // a preRun added a dependency, run will be called later
+ if (runDependencies > 0) {
+ dependenciesFulfilled = run;
+ return;
+ }
+ function doRun() {
+ // run may have just been called through dependencies being fulfilled just in this very frame,
+ // or while the async setStatus time below was happening
+ Module["calledRun"] = true;
+ if (ABORT) return;
+ initRuntime();
+ readyPromiseResolve?.(Module);
+ Module["onRuntimeInitialized"]?.();
+ postRun();
+ }
+ if (Module["setStatus"]) {
+ Module["setStatus"]("Running...");
+ setTimeout(() => {
+ setTimeout(() => Module["setStatus"](""), 1);
+ doRun();
+ }, 1);
+ } else {
+ doRun();
+ }
+}
+
+var wasmExports;
+
+// In modularize mode the generated code is within a factory function so we
+// can use await here (since it's not top-level-await).
+wasmExports = await (createWasm());
+
+run();
+
+// end include: postamble.js
+// include: postamble_modularize.js
+// In MODULARIZE mode we wrap the generated code in a factory function
+// and return either the Module itself, or a promise of the module.
+// We assign to the `moduleRtn` global here and configure closure to see
+// this as an extern so it won't get minified.
+if (runtimeInitialized) {
+ moduleRtn = Module;
+} else {
+ // Set up the promise that indicates the Module is initialized
+ moduleRtn = new Promise((resolve, reject) => {
+ readyPromiseResolve = resolve;
+ readyPromiseReject = reject;
+ });
+}
+
+
+ return moduleRtn;
+ };
+})();
+
+// Export using a UMD style export, or ES6 exports if selected
+if (typeof exports === 'object' && typeof module === 'object') {
+ module.exports = ModuleFactory;
+ // This default export looks redundant, but it allows TS to import this
+ // commonjs style module.
+ module.exports.default = ModuleFactory;
+} else if (typeof define === 'function' && define['amd'])
+ define([], () => ModuleFactory);
+
diff --git a/templates/clips/public/mediapipe/wasm/vision_wasm_internal.wasm b/templates/clips/public/mediapipe/wasm/vision_wasm_internal.wasm
new file mode 100644
index 0000000000..7ca3e0582b
Binary files /dev/null and b/templates/clips/public/mediapipe/wasm/vision_wasm_internal.wasm differ
diff --git a/templates/clips/public/mediapipe/wasm/vision_wasm_nosimd_internal.js b/templates/clips/public/mediapipe/wasm/vision_wasm_nosimd_internal.js
new file mode 100644
index 0000000000..3dffe5f4b0
--- /dev/null
+++ b/templates/clips/public/mediapipe/wasm/vision_wasm_nosimd_internal.js
@@ -0,0 +1,8818 @@
+// This code implements the `-sMODULARIZE` settings by taking the generated
+// JS program code (INNER_JS_CODE) and wrapping it in a factory function.
+
+// Single threaded MINIMAL_RUNTIME programs do not need access to
+// document.currentScript, so a simple export declaration is enough.
+var ModuleFactory = (() => {
+ // When MODULARIZE this JS may be executed later,
+ // after document.currentScript is gone, so we save it.
+ // In EXPORT_ES6 mode we can just use 'import.meta.url'.
+ var _scriptName = globalThis.document?.currentScript?.src;
+ return async function(moduleArg = {}) {
+ var moduleRtn;
+
+// include: shell.js
+// include: minimum_runtime_check.js
+// end include: minimum_runtime_check.js
+// The Module object: Our interface to the outside world. We import
+// and export values on it. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(moduleArg) => Promise
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to check if Module already exists (e.g. case 3 above).
+// Substitution will be replaced with actual code on later stage of the build,
+// this way Closure Compiler will not mangle it (e.g. case 4. above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module = moduleArg;
+
+// Determine the runtime environment we are in. You can customize this by
+// setting the ENVIRONMENT setting at compile time (see settings.js).
+// Attempt to auto-detect the environment
+var ENVIRONMENT_IS_WEB = !!globalThis.window;
+
+var ENVIRONMENT_IS_WORKER = !!globalThis.WorkerGlobalScope;
+
+// N.b. Electron.js environment is simultaneously a NODE-environment, but
+// also a web environment.
+var ENVIRONMENT_IS_NODE = globalThis.process?.versions?.node && globalThis.process?.type != "renderer";
+
+// --pre-jses are emitted after the Module integration code, so that they can
+// refer to Module (if they choose; they can also define Module)
+var arguments_ = [];
+
+var thisProgram = "./this.program";
+
+var quit_ = (status, toThrow) => {
+ throw toThrow;
+};
+
+if (typeof __filename != "undefined") {
+ // Node
+ _scriptName = __filename;
+} else if (ENVIRONMENT_IS_WORKER) {
+ _scriptName = self.location.href;
+}
+
+// `/` should be present at the end if `scriptDirectory` is not empty
+var scriptDirectory = "";
+
+function locateFile(path) {
+ if (Module["locateFile"]) {
+ return Module["locateFile"](path, scriptDirectory);
+ }
+ return scriptDirectory + path;
+}
+
+// Hooks that are implemented differently in different runtime environments.
+var readAsync, readBinary;
+
+if (ENVIRONMENT_IS_NODE) {
+ // These modules will usually be used on Node.js. Load them eagerly to avoid
+ // the complexity of lazy-loading.
+ var fs = require("node:fs");
+ scriptDirectory = __dirname + "/";
+ // include: node_shell_read.js
+ readBinary = filename => {
+ // We need to re-wrap `file://` strings to URLs.
+ filename = isFileURI(filename) ? new URL(filename) : filename;
+ var ret = fs.readFileSync(filename);
+ return ret;
+ };
+ readAsync = async (filename, binary = true) => {
+ // See the comment in the `readBinary` function.
+ filename = isFileURI(filename) ? new URL(filename) : filename;
+ var ret = fs.readFileSync(filename, binary ? undefined : "utf8");
+ return ret;
+ };
+ // end include: node_shell_read.js
+ if (process.argv.length > 1) {
+ thisProgram = process.argv[1].replace(/\\/g, "/");
+ }
+ arguments_ = process.argv.slice(2);
+ quit_ = (status, toThrow) => {
+ process.exitCode = status;
+ throw toThrow;
+ };
+} else // Note that this includes Node.js workers when relevant (pthreads is enabled).
+// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
+// ENVIRONMENT_IS_NODE.
+if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+ try {
+ scriptDirectory = new URL(".", _scriptName).href;
+ } catch {}
+ {
+ // include: web_or_worker_shell_read.js
+ if (ENVIRONMENT_IS_WORKER) {
+ readBinary = url => {
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, false);
+ xhr.responseType = "arraybuffer";
+ xhr.send(null);
+ return new Uint8Array(/** @type{!ArrayBuffer} */ (xhr.response));
+ };
+ }
+ readAsync = async url => {
+ // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
+ // See https://github.com/github/fetch/pull/92#issuecomment-140665932
+ // Cordova or Electron apps are typically loaded from a file:// url.
+ // So use XHR on webview if URL is a file URL.
+ if (isFileURI(url)) {
+ return new Promise((resolve, reject) => {
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, true);
+ xhr.responseType = "arraybuffer";
+ xhr.onload = () => {
+ if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) {
+ // file URLs can return 0
+ resolve(xhr.response);
+ return;
+ }
+ reject(xhr.status);
+ };
+ xhr.onerror = reject;
+ xhr.send(null);
+ });
+ }
+ var response = await fetch(url, {
+ credentials: "same-origin"
+ });
+ if (response.ok) {
+ return response.arrayBuffer();
+ }
+ throw new Error(response.status + " : " + response.url);
+ };
+ }
+} else {}
+
+var out = console.log.bind(console);
+
+var err = console.error.bind(console);
+
+// end include: shell.js
+// include: preamble.js
+// === Preamble library stuff ===
+// Documentation for the public APIs defined in this file must be updated in:
+// site/source/docs/api_reference/preamble.js.rst
+// A prebuilt local version of the documentation is available at:
+// site/build/text/docs/api_reference/preamble.js.txt
+// You can also build docs locally as HTML or other formats in site/
+// An online HTML version (which may be of a different version of Emscripten)
+// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
+var wasmBinary;
+
+// Wasm globals
+//========================================
+// Runtime essentials
+//========================================
+// whether we are quitting the application. no code should run after this.
+// set in exit() and abort()
+var ABORT = false;
+
+// set by exit() and abort(). Passed to 'onExit' handler.
+// NOTE: This is also used as the process return code in shell environments
+// but only when noExitRuntime is false.
+var EXITSTATUS;
+
+// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
+// don't define it at all in release modes. This matches the behaviour of
+// MINIMAL_RUNTIME.
+// TODO(sbc): Make this the default even without STRICT enabled.
+/** @type {function(*, string=)} */ function assert(condition, text) {
+ if (!condition) {
+ // This build was created without ASSERTIONS defined. `assert()` should not
+ // ever be called in this configuration but in case there are callers in
+ // the wild leave this simple abort() implementation here for now.
+ abort(text);
+ }
+}
+
+/**
+ * Indicates whether filename is delivered via file protocol (as opposed to http/https)
+ * @noinline
+ */ var isFileURI = filename => filename.startsWith("file://");
+
+// include: runtime_common.js
+// include: runtime_stack_check.js
+// end include: runtime_stack_check.js
+// include: runtime_exceptions.js
+// Base Emscripten EH error class
+class EmscriptenEH {}
+
+class EmscriptenSjLj extends EmscriptenEH {}
+
+// end include: runtime_exceptions.js
+// include: runtime_debug.js
+// end include: runtime_debug.js
+var readyPromiseResolve, readyPromiseReject;
+
+// Memory management
+var runtimeInitialized = false;
+
+function updateMemoryViews() {
+ var b = wasmMemory.buffer;
+ HEAP8 = new Int8Array(b);
+ HEAP16 = new Int16Array(b);
+ Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
+ HEAPU16 = new Uint16Array(b);
+ HEAP32 = new Int32Array(b);
+ Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
+ Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
+ Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
+}
+
+// include: memoryprofiler.js
+// end include: memoryprofiler.js
+// end include: runtime_common.js
+function preRun() {
+ if (Module["preRun"]) {
+ if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
+ while (Module["preRun"].length) {
+ addOnPreRun(Module["preRun"].shift());
+ }
+ }
+ // Begin ATPRERUNS hooks
+ callRuntimeCallbacks(onPreRuns);
+}
+
+function initRuntime() {
+ runtimeInitialized = true;
+ // Begin ATINITS hooks
+ if (!Module["noFSInit"] && !FS.initialized) FS.init();
+ TTY.init();
+ // End ATINITS hooks
+ wasmExports["id"]();
+ // Begin ATPOSTCTORS hooks
+ FS.ignorePermissions = false;
+}
+
+function postRun() {
+ // PThreads reuse the runtime from the main thread.
+ if (Module["postRun"]) {
+ if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
+ while (Module["postRun"].length) {
+ addOnPostRun(Module["postRun"].shift());
+ }
+ }
+ // Begin ATPOSTRUNS hooks
+ callRuntimeCallbacks(onPostRuns);
+}
+
+/**
+ * @param {string|number=} what
+ */ function abort(what) {
+ Module["onAbort"]?.(what);
+ what = `Aborted(${what})`;
+ // TODO(sbc): Should we remove printing and leave it up to whoever
+ // catches the exception?
+ err(what);
+ ABORT = true;
+ what += ". Build with -sASSERTIONS for more info.";
+ // Use a wasm runtime error, because a JS error might be seen as a foreign
+ // exception, which means we'd run destructors on it. We need the error to
+ // simply make the program stop.
+ // FIXME This approach does not work in Wasm EH because it currently does not assume
+ // all RuntimeErrors are from traps; it decides whether a RuntimeError is from
+ // a trap or not based on a hidden field within the object. So at the moment
+ // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
+ // allows this in the wasm spec.
+ // Suppress closure compiler warning here. Closure compiler's builtin extern
+ // definition for WebAssembly.RuntimeError claims it takes no arguments even
+ // though it can.
+ // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
+ /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
+ readyPromiseReject?.(e);
+ // Throw the error whether or not MODULARIZE is set because abort is used
+ // in code paths apart from instantiation where an exception is expected
+ // to be thrown when abort is called.
+ throw e;
+}
+
+var wasmBinaryFile;
+
+function findWasmBinary() {
+ return locateFile("vision_wasm_nosimd_internal.wasm");
+}
+
+function getBinarySync(file) {
+ if (file == wasmBinaryFile && wasmBinary) {
+ return new Uint8Array(wasmBinary);
+ }
+ if (readBinary) {
+ return readBinary(file);
+ }
+ // Throwing a plain string here, even though it not normally advisable since
+ // this gets turning into an `abort` in instantiateArrayBuffer.
+ throw "both async and sync fetching of the wasm failed";
+}
+
+async function getWasmBinary(binaryFile) {
+ // If we don't have the binary yet, load it asynchronously using readAsync.
+ if (!wasmBinary) {
+ // Fetch the binary using readAsync
+ try {
+ var response = await readAsync(binaryFile);
+ return new Uint8Array(response);
+ } catch {}
+ }
+ // Otherwise, getBinarySync should be able to get it synchronously
+ return getBinarySync(binaryFile);
+}
+
+async function instantiateArrayBuffer(binaryFile, imports) {
+ try {
+ var binary = await getWasmBinary(binaryFile);
+ var instance = await WebAssembly.instantiate(binary, imports);
+ return instance;
+ } catch (reason) {
+ err(`failed to asynchronously prepare wasm: ${reason}`);
+ abort(reason);
+ }
+}
+
+async function instantiateAsync(binary, binaryFile, imports) {
+ if (!binary && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE) {
+ try {
+ var response = fetch(binaryFile, {
+ credentials: "same-origin"
+ });
+ var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
+ return instantiationResult;
+ } catch (reason) {
+ // We expect the most common failure cause to be a bad MIME type for the binary,
+ // in which case falling back to ArrayBuffer instantiation should work.
+ err(`wasm streaming compile failed: ${reason}`);
+ err("falling back to ArrayBuffer instantiation");
+ }
+ }
+ return instantiateArrayBuffer(binaryFile, imports);
+}
+
+function getWasmImports() {
+ // prepare imports
+ var imports = {
+ "a": wasmImports
+ };
+ return imports;
+}
+
+// Create the wasm instance.
+// Receives the wasm imports, returns the exports.
+async function createWasm() {
+ // Load the wasm module and create an instance of using native support in the JS engine.
+ // handle a generated wasm instance, receiving its exports and
+ // performing other necessary setup
+ /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
+ wasmExports = instance.exports;
+ assignWasmExports(wasmExports);
+ updateMemoryViews();
+ return wasmExports;
+ }
+ // Prefer streaming instantiation if available.
+ function receiveInstantiationResult(result) {
+ // 'result' is a ResultObject object which has both the module and instance.
+ // receiveInstance() will swap in the exports (to Module.asm) so they can be called
+ // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
+ // When the regression is fixed, can restore the above PTHREADS-enabled path.
+ return receiveInstance(result["instance"]);
+ }
+ var info = getWasmImports();
+ // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
+ // to manually instantiate the Wasm module themselves. This allows pages to
+ // run the instantiation parallel to any other async startup actions they are
+ // performing.
+ // Also pthreads and wasm workers initialize the wasm instance through this
+ // path.
+ if (Module["instantiateWasm"]) {
+ return new Promise((resolve, reject) => {
+ Module["instantiateWasm"](info, (inst, mod) => {
+ resolve(receiveInstance(inst, mod));
+ });
+ });
+ }
+ wasmBinaryFile ??= findWasmBinary();
+ var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
+ var exports = receiveInstantiationResult(result);
+ return exports;
+}
+
+// Globals used by JS i64 conversions (see makeSetValue)
+var tempDouble;
+
+var tempI64;
+
+// end include: preamble.js
+// Begin JS library code
+var handleException = e => {
+ // Certain exception types we do not treat as errors since they are used for
+ // internal control flow.
+ // 1. ExitStatus, which is thrown by exit()
+ // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
+ // that wish to return to JS event loop.
+ if (e instanceof ExitStatus || e == "unwind") {
+ return EXITSTATUS;
+ }
+ quit_(1, e);
+};
+
+class ExitStatus {
+ name="ExitStatus";
+ constructor(status) {
+ this.message = `Program terminated with exit(${status})`;
+ this.status = status;
+ }
+}
+
+var runtimeKeepaliveCounter = 0;
+
+var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
+
+var _proc_exit = code => {
+ EXITSTATUS = code;
+ if (!keepRuntimeAlive()) {
+ Module["onExit"]?.(code);
+ ABORT = true;
+ }
+ quit_(code, new ExitStatus(code));
+};
+
+/** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
+ EXITSTATUS = status;
+ _proc_exit(status);
+};
+
+var _exit = exitJS;
+
+var maybeExit = () => {
+ if (!keepRuntimeAlive()) {
+ try {
+ _exit(EXITSTATUS);
+ } catch (e) {
+ handleException(e);
+ }
+ }
+};
+
+var callUserCallback = func => {
+ if (ABORT) {
+ return;
+ }
+ try {
+ return func();
+ } catch (e) {
+ handleException(e);
+ } finally {
+ maybeExit();
+ }
+};
+
+function getFullscreenElement() {
+ return document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.webkitCurrentFullScreenElement || document.msFullscreenElement;
+}
+
+/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => setTimeout(() => {
+ callUserCallback(func);
+}, timeout);
+
+var warnOnce = text => {
+ warnOnce.shown ||= {};
+ if (!warnOnce.shown[text]) {
+ warnOnce.shown[text] = 1;
+ if (ENVIRONMENT_IS_NODE) text = "warning: " + text;
+ err(text);
+ }
+};
+
+var preloadPlugins = [];
+
+var Browser = {
+ useWebGL: false,
+ isFullscreen: false,
+ pointerLock: false,
+ moduleContextCreatedCallbacks: [],
+ workers: [],
+ preloadedImages: {},
+ preloadedAudios: {},
+ getCanvas: () => Module["canvas"],
+ init() {
+ if (Browser.initted) return;
+ Browser.initted = true;
+ // Support for plugins that can process preloaded files. You can add more of these to
+ // your app by creating and appending to preloadPlugins.
+ // Each plugin is asked if it can handle a file based on the file's name. If it can,
+ // it is given the file's raw data. When it is done, it calls a callback with the file's
+ // (possibly modified) data. For example, a plugin might decompress a file, or it
+ // might create some side data structure for use later (like an Image element, etc.).
+ var imagePlugin = {};
+ imagePlugin["canHandle"] = name => !Module["noImageDecoding"] && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
+ imagePlugin["handle"] = async (byteArray, name) => {
+ var b = new Blob([ byteArray ], {
+ type: Browser.getMimetype(name)
+ });
+ if (b.size !== byteArray.length) {
+ // Safari bug #118630
+ // Safari's Blob can only take an ArrayBuffer
+ b = new Blob([ (new Uint8Array(byteArray)).buffer ], {
+ type: Browser.getMimetype(name)
+ });
+ }
+ var url = URL.createObjectURL(b);
+ return new Promise((resolve, reject) => {
+ var img = new Image;
+ img.onload = () => {
+ var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement("canvas"));
+ canvas.width = img.width;
+ canvas.height = img.height;
+ var ctx = canvas.getContext("2d");
+ ctx.drawImage(img, 0, 0);
+ Browser.preloadedImages[name] = canvas;
+ URL.revokeObjectURL(url);
+ resolve(byteArray);
+ };
+ img.onerror = event => {
+ err(`Image ${url} could not be decoded`);
+ reject();
+ };
+ img.src = url;
+ });
+ };
+ preloadPlugins.push(imagePlugin);
+ var audioPlugin = {};
+ audioPlugin["canHandle"] = name => !Module["noAudioDecoding"] && name.slice(-4) in {
+ ".ogg": 1,
+ ".wav": 1,
+ ".mp3": 1
+ };
+ audioPlugin["handle"] = async (byteArray, name) => new Promise((resolve, reject) => {
+ var done = false;
+ function finish(audio) {
+ if (done) return;
+ done = true;
+ Browser.preloadedAudios[name] = audio;
+ resolve(byteArray);
+ }
+ var b = new Blob([ byteArray ], {
+ type: Browser.getMimetype(name)
+ });
+ var url = URL.createObjectURL(b);
+ // XXX we never revoke this!
+ var audio = new Audio;
+ audio.addEventListener("canplaythrough", () => finish(audio), false);
+ // use addEventListener due to chromium bug 124926
+ audio.onerror = event => {
+ if (done) return;
+ err(`warning: browser could not fully decode audio ${name}, trying slower base64 approach`);
+ function encode64(data) {
+ var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+ var PAD = "=";
+ var ret = "";
+ var leftchar = 0;
+ var leftbits = 0;
+ for (var i = 0; i < data.length; i++) {
+ leftchar = (leftchar << 8) | data[i];
+ leftbits += 8;
+ while (leftbits >= 6) {
+ var curr = (leftchar >> (leftbits - 6)) & 63;
+ leftbits -= 6;
+ ret += BASE[curr];
+ }
+ }
+ if (leftbits == 2) {
+ ret += BASE[(leftchar & 3) << 4];
+ ret += PAD + PAD;
+ } else if (leftbits == 4) {
+ ret += BASE[(leftchar & 15) << 2];
+ ret += PAD;
+ }
+ return ret;
+ }
+ audio.src = "data:audio/x-" + name.slice(-3) + ";base64," + encode64(byteArray);
+ finish(audio);
+ };
+ audio.src = url;
+ // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
+ safeSetTimeout(() => {
+ finish(audio);
+ }, 1e4);
+ });
+ preloadPlugins.push(audioPlugin);
+ // Canvas event setup
+ function pointerLockChange() {
+ var canvas = Browser.getCanvas();
+ Browser.pointerLock = document.pointerLockElement === canvas;
+ }
+ var canvas = Browser.getCanvas();
+ if (canvas) {
+ // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
+ // Module['forcedAspectRatio'] = 4 / 3;
+ document.addEventListener("pointerlockchange", pointerLockChange, false);
+ if (Module["elementPointerLock"]) {
+ canvas.addEventListener("click", ev => {
+ if (!Browser.pointerLock && Browser.getCanvas().requestPointerLock) {
+ Browser.getCanvas().requestPointerLock();
+ ev.preventDefault();
+ }
+ }, false);
+ }
+ }
+ },
+ createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
+ if (useWebGL && Module["ctx"] && canvas == Browser.getCanvas()) return Module["ctx"];
+ // no need to recreate GL context if it's already been created for this canvas.
+ var ctx;
+ var contextHandle;
+ if (useWebGL) {
+ // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
+ var contextAttributes = {
+ antialias: false,
+ alpha: false,
+ majorVersion: (typeof WebGL2RenderingContext != "undefined") ? 2 : 1
+ };
+ if (webGLContextAttributes) {
+ for (var attribute in webGLContextAttributes) {
+ contextAttributes[attribute] = webGLContextAttributes[attribute];
+ }
+ }
+ // This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
+ // actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
+ // Browser.createContext() should not even be emitted.
+ if (typeof GL != "undefined") {
+ contextHandle = GL.createContext(canvas, contextAttributes);
+ if (contextHandle) {
+ ctx = GL.getContext(contextHandle).GLctx;
+ }
+ }
+ } else {
+ ctx = canvas.getContext("2d");
+ }
+ if (!ctx) return null;
+ if (setInModule) {
+ Module["ctx"] = ctx;
+ if (useWebGL) GL.makeContextCurrent(contextHandle);
+ Browser.useWebGL = useWebGL;
+ Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
+ Browser.init();
+ }
+ return ctx;
+ },
+ fullscreenHandlersInstalled: false,
+ lockPointer: undefined,
+ resizeCanvas: undefined,
+ requestFullscreen(lockPointer, resizeCanvas) {
+ Browser.lockPointer = lockPointer;
+ Browser.resizeCanvas = resizeCanvas;
+ if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
+ if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
+ var canvas = Browser.getCanvas();
+ function fullscreenChange() {
+ Browser.isFullscreen = false;
+ var canvasContainer = canvas.parentNode;
+ if (getFullscreenElement() === canvasContainer) {
+ canvas.exitFullscreen = Browser.exitFullscreen;
+ if (Browser.lockPointer) canvas.requestPointerLock();
+ Browser.isFullscreen = true;
+ if (Browser.resizeCanvas) {
+ Browser.setFullscreenCanvasSize();
+ } else {
+ Browser.updateCanvasDimensions(canvas);
+ }
+ } else {
+ // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
+ canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
+ canvasContainer.parentNode.removeChild(canvasContainer);
+ if (Browser.resizeCanvas) {
+ Browser.setWindowedCanvasSize();
+ } else {
+ Browser.updateCanvasDimensions(canvas);
+ }
+ }
+ Module["onFullScreen"]?.(Browser.isFullscreen);
+ Module["onFullscreen"]?.(Browser.isFullscreen);
+ }
+ if (!Browser.fullscreenHandlersInstalled) {
+ Browser.fullscreenHandlersInstalled = true;
+ document.addEventListener("fullscreenchange", fullscreenChange, false);
+ document.addEventListener("mozfullscreenchange", fullscreenChange, false);
+ document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
+ document.addEventListener("MSFullscreenChange", fullscreenChange, false);
+ }
+ // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
+ var canvasContainer = document.createElement("div");
+ canvas.parentNode.insertBefore(canvasContainer, canvas);
+ canvasContainer.appendChild(canvas);
+ // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
+ canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
+ canvasContainer.requestFullscreen();
+ },
+ exitFullscreen() {
+ // This is workaround for chrome. Trying to exit from fullscreen
+ // not in fullscreen state will cause "TypeError: Document not active"
+ // in chrome. See https://github.com/emscripten-core/emscripten/pull/8236
+ if (!Browser.isFullscreen) {
+ return false;
+ }
+ var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || (() => {});
+ CFS.apply(document, []);
+ return true;
+ },
+ safeSetTimeout(func, timeout) {
+ // Legacy function, this is used by the SDL2 port so we need to keep it
+ // around at least until that is updated.
+ // See https://github.com/libsdl-org/SDL/pull/6304
+ return safeSetTimeout(func, timeout);
+ },
+ getMimetype(name) {
+ return {
+ "jpg": "image/jpeg",
+ "jpeg": "image/jpeg",
+ "png": "image/png",
+ "bmp": "image/bmp",
+ "ogg": "audio/ogg",
+ "wav": "audio/wav",
+ "mp3": "audio/mpeg"
+ }[name.slice(name.lastIndexOf(".") + 1)];
+ },
+ getUserMedia(func) {
+ window.getUserMedia ||= navigator["getUserMedia"] || navigator["mozGetUserMedia"];
+ window.getUserMedia(func);
+ },
+ getMovementX(event) {
+ return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
+ },
+ getMovementY(event) {
+ return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
+ },
+ getMouseWheelDelta(event) {
+ var delta = 0;
+ switch (event.type) {
+ case "DOMMouseScroll":
+ // 3 lines make up a step
+ delta = event.detail / 3;
+ break;
+
+ case "mousewheel":
+ // 120 units make up a step
+ delta = event.wheelDelta / 120;
+ break;
+
+ case "wheel":
+ delta = event.deltaY;
+ switch (event.deltaMode) {
+ case 0:
+ // DOM_DELTA_PIXEL: 100 pixels make up a step
+ delta /= 100;
+ break;
+
+ case 1:
+ // DOM_DELTA_LINE: 3 lines make up a step
+ delta /= 3;
+ break;
+
+ case 2:
+ // DOM_DELTA_PAGE: A page makes up 80 steps
+ delta *= 80;
+ break;
+
+ default:
+ abort("unrecognized mouse wheel delta mode: " + event.deltaMode);
+ }
+ break;
+
+ default:
+ abort("unrecognized mouse wheel event: " + event.type);
+ }
+ return delta;
+ },
+ mouseX: 0,
+ mouseY: 0,
+ mouseMovementX: 0,
+ mouseMovementY: 0,
+ touches: {},
+ lastTouches: {},
+ calculateMouseCoords(pageX, pageY) {
+ // Calculate the movement based on the changes
+ // in the coordinates.
+ var canvas = Browser.getCanvas();
+ var rect = canvas.getBoundingClientRect();
+ // Neither .scrollX or .pageXOffset are defined in a spec, but
+ // we prefer .scrollX because it is currently in a spec draft.
+ // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
+ var scrollX = ((typeof window.scrollX != "undefined") ? window.scrollX : window.pageXOffset);
+ var scrollY = ((typeof window.scrollY != "undefined") ? window.scrollY : window.pageYOffset);
+ var adjustedX = pageX - (scrollX + rect.left);
+ var adjustedY = pageY - (scrollY + rect.top);
+ // the canvas might be CSS-scaled compared to its backbuffer;
+ // SDL-using content will want mouse coordinates in terms
+ // of backbuffer units.
+ adjustedX = adjustedX * (canvas.width / rect.width);
+ adjustedY = adjustedY * (canvas.height / rect.height);
+ return {
+ x: adjustedX,
+ y: adjustedY
+ };
+ },
+ setMouseCoords(pageX, pageY) {
+ const {x, y} = Browser.calculateMouseCoords(pageX, pageY);
+ Browser.mouseMovementX = x - Browser.mouseX;
+ Browser.mouseMovementY = y - Browser.mouseY;
+ Browser.mouseX = x;
+ Browser.mouseY = y;
+ },
+ calculateMouseEvent(event) {
+ // event should be mousemove, mousedown or mouseup
+ if (Browser.pointerLock) {
+ // When the pointer is locked, calculate the coordinates
+ // based on the movement of the mouse.
+ // Workaround for Firefox bug 764498
+ if (event.type != "mousemove" && ("mozMovementX" in event)) {
+ Browser.mouseMovementX = Browser.mouseMovementY = 0;
+ } else {
+ Browser.mouseMovementX = Browser.getMovementX(event);
+ Browser.mouseMovementY = Browser.getMovementY(event);
+ }
+ // add the mouse delta to the current absolute mouse position
+ Browser.mouseX += Browser.mouseMovementX;
+ Browser.mouseY += Browser.mouseMovementY;
+ } else {
+ if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
+ var touch = event.touch;
+ if (touch === undefined) {
+ return;
+ }
+ var coords = Browser.calculateMouseCoords(touch.pageX, touch.pageY);
+ if (event.type === "touchstart") {
+ Browser.lastTouches[touch.identifier] = coords;
+ Browser.touches[touch.identifier] = coords;
+ } else if (event.type === "touchend" || event.type === "touchmove") {
+ var last = Browser.touches[touch.identifier];
+ last ||= coords;
+ Browser.lastTouches[touch.identifier] = last;
+ Browser.touches[touch.identifier] = coords;
+ }
+ return;
+ }
+ Browser.setMouseCoords(event.pageX, event.pageY);
+ }
+ },
+ resizeListeners: [],
+ updateResizeListeners() {
+ var canvas = Browser.getCanvas();
+ Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
+ },
+ setCanvasSize(width, height, noUpdates) {
+ var canvas = Browser.getCanvas();
+ Browser.updateCanvasDimensions(canvas, width, height);
+ if (!noUpdates) Browser.updateResizeListeners();
+ },
+ windowedWidth: 0,
+ windowedHeight: 0,
+ setFullscreenCanvasSize() {
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen) >> 2)];
+ flags = flags | 8388608;
+ // set SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen) >> 2)] = flags;
+ }
+ Browser.updateCanvasDimensions(Browser.getCanvas());
+ Browser.updateResizeListeners();
+ },
+ setWindowedCanvasSize() {
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen) >> 2)];
+ flags = flags & ~8388608;
+ // clear SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen) >> 2)] = flags;
+ }
+ Browser.updateCanvasDimensions(Browser.getCanvas());
+ Browser.updateResizeListeners();
+ },
+ updateCanvasDimensions(canvas, wNative, hNative) {
+ if (wNative && hNative) {
+ canvas.widthNative = wNative;
+ canvas.heightNative = hNative;
+ } else {
+ wNative = canvas.widthNative;
+ hNative = canvas.heightNative;
+ }
+ var w = wNative;
+ var h = hNative;
+ if (Module["forcedAspectRatio"] > 0) {
+ if (w / h < Module["forcedAspectRatio"]) {
+ w = Math.round(h * Module["forcedAspectRatio"]);
+ } else {
+ h = Math.round(w / Module["forcedAspectRatio"]);
+ }
+ }
+ if ((getFullscreenElement() === canvas.parentNode) && (typeof screen != "undefined")) {
+ var factor = Math.min(screen.width / w, screen.height / h);
+ w = Math.round(w * factor);
+ h = Math.round(h * factor);
+ }
+ if (Browser.resizeCanvas) {
+ if (canvas.width != w) canvas.width = w;
+ if (canvas.height != h) canvas.height = h;
+ if (typeof canvas.style != "undefined") {
+ canvas.style.removeProperty("width");
+ canvas.style.removeProperty("height");
+ }
+ } else {
+ if (canvas.width != wNative) canvas.width = wNative;
+ if (canvas.height != hNative) canvas.height = hNative;
+ if (typeof canvas.style != "undefined") {
+ if (w != wNative || h != hNative) {
+ canvas.style.setProperty("width", w + "px", "important");
+ canvas.style.setProperty("height", h + "px", "important");
+ } else {
+ canvas.style.removeProperty("width");
+ canvas.style.removeProperty("height");
+ }
+ }
+ }
+ }
+};
+
+/** @type {!Int16Array} */ var HEAP16;
+
+/** @type {!Int32Array} */ var HEAP32;
+
+/** @type {!Int8Array} */ var HEAP8;
+
+/** @type {!Float32Array} */ var HEAPF32;
+
+/** @type {!Float64Array} */ var HEAPF64;
+
+/** @type {!Uint16Array} */ var HEAPU16;
+
+/** @type {!Uint32Array} */ var HEAPU32;
+
+/** @type {!Uint8Array} */ var HEAPU8;
+
+var callRuntimeCallbacks = callbacks => {
+ while (callbacks.length > 0) {
+ // Pass the module as the first argument.
+ callbacks.shift()(Module);
+ }
+};
+
+var onPostRuns = [];
+
+var addOnPostRun = cb => onPostRuns.push(cb);
+
+var onPreRuns = [];
+
+var addOnPreRun = cb => onPreRuns.push(cb);
+
+var noExitRuntime = true;
+
+var stackRestore = val => __emscripten_stack_restore(val);
+
+var stackSave = () => _emscripten_stack_get_current();
+
+class ExceptionInfo {
+ // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it.
+ constructor(excPtr) {
+ this.excPtr = excPtr;
+ this.ptr = excPtr - 24;
+ }
+ set_type(type) {
+ HEAPU32[(((this.ptr) + (4)) >> 2)] = type;
+ }
+ get_type() {
+ return HEAPU32[(((this.ptr) + (4)) >> 2)];
+ }
+ set_destructor(destructor) {
+ HEAPU32[(((this.ptr) + (8)) >> 2)] = destructor;
+ }
+ get_destructor() {
+ return HEAPU32[(((this.ptr) + (8)) >> 2)];
+ }
+ set_caught(caught) {
+ caught = caught ? 1 : 0;
+ HEAP8[(this.ptr) + (12)] = caught;
+ }
+ get_caught() {
+ return HEAP8[(this.ptr) + (12)] != 0;
+ }
+ set_rethrown(rethrown) {
+ rethrown = rethrown ? 1 : 0;
+ HEAP8[(this.ptr) + (13)] = rethrown;
+ }
+ get_rethrown() {
+ return HEAP8[(this.ptr) + (13)] != 0;
+ }
+ // Initialize native structure fields. Should be called once after allocated.
+ init(type, destructor) {
+ this.set_adjusted_ptr(0);
+ this.set_type(type);
+ this.set_destructor(destructor);
+ }
+ set_adjusted_ptr(adjustedPtr) {
+ HEAPU32[(((this.ptr) + (16)) >> 2)] = adjustedPtr;
+ }
+ get_adjusted_ptr() {
+ return HEAPU32[(((this.ptr) + (16)) >> 2)];
+ }
+}
+
+var uncaughtExceptionCount = 0;
+
+var ___cxa_throw = (ptr, type, destructor) => {
+ var info = new ExceptionInfo(ptr);
+ // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
+ info.init(type, destructor);
+ uncaughtExceptionCount++;
+ abort();
+};
+
+var PATH = {
+ isAbs: path => path.charAt(0) === "/",
+ splitPath: filename => {
+ var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+ return splitPathRe.exec(filename).slice(1);
+ },
+ normalizeArray: (parts, allowAboveRoot) => {
+ // if the path tries to go above the root, `up` ends up > 0
+ var up = 0;
+ for (var i = parts.length - 1; i >= 0; i--) {
+ var last = parts[i];
+ if (last === ".") {
+ parts.splice(i, 1);
+ } else if (last === "..") {
+ parts.splice(i, 1);
+ up++;
+ } else if (up) {
+ parts.splice(i, 1);
+ up--;
+ }
+ }
+ // if the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (;up; up--) {
+ parts.unshift("..");
+ }
+ }
+ return parts;
+ },
+ normalize: path => {
+ var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === "/";
+ // Normalize the path
+ path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
+ if (!path && !isAbsolute) {
+ path = ".";
+ }
+ if (path && trailingSlash) {
+ path += "/";
+ }
+ return (isAbsolute ? "/" : "") + path;
+ },
+ dirname: path => {
+ var result = PATH.splitPath(path), root = result[0], dir = result[1];
+ if (!root && !dir) {
+ // No dirname whatsoever
+ return ".";
+ }
+ if (dir) {
+ // It has a dirname, strip trailing slash
+ dir = dir.slice(0, -1);
+ }
+ return root + dir;
+ },
+ basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1],
+ join: (...paths) => PATH.normalize(paths.join("/")),
+ join2: (l, r) => PATH.normalize(l + "/" + r)
+};
+
+var initRandomFill = () => {
+ // This block is not needed on v19+ since crypto.getRandomValues is builtin
+ if (ENVIRONMENT_IS_NODE) {
+ var nodeCrypto = require("node:crypto");
+ return view => nodeCrypto.randomFillSync(view);
+ }
+ return view => (crypto.getRandomValues(view), 0);
+};
+
+var randomFill = view => (randomFill = initRandomFill())(view);
+
+var PATH_FS = {
+ resolve: (...args) => {
+ var resolvedPath = "", resolvedAbsolute = false;
+ for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = (i >= 0) ? args[i] : FS.cwd();
+ // Skip empty and invalid entries
+ if (typeof path != "string") {
+ throw new TypeError("Arguments to path.resolve must be strings");
+ } else if (!path) {
+ return "";
+ }
+ resolvedPath = path + "/" + resolvedPath;
+ resolvedAbsolute = PATH.isAbs(path);
+ }
+ // At this point the path should be resolved to a full absolute path, but
+ // handle relative paths to be safe (might happen when process.cwd() fails)
+ resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
+ return ((resolvedAbsolute ? "/" : "") + resolvedPath) || ".";
+ },
+ relative: (from, to) => {
+ from = PATH_FS.resolve(from).slice(1);
+ to = PATH_FS.resolve(to).slice(1);
+ function trim(arr) {
+ var start = 0;
+ for (;start < arr.length; start++) {
+ if (arr[start] !== "") break;
+ }
+ var end = arr.length - 1;
+ for (;end >= 0; end--) {
+ if (arr[end] !== "") break;
+ }
+ if (start > end) return [];
+ return arr.slice(start, end - start + 1);
+ }
+ var fromParts = trim(from.split("/"));
+ var toParts = trim(to.split("/"));
+ var length = Math.min(fromParts.length, toParts.length);
+ var samePartsLength = length;
+ for (var i = 0; i < length; i++) {
+ if (fromParts[i] !== toParts[i]) {
+ samePartsLength = i;
+ break;
+ }
+ }
+ var outputParts = [];
+ for (var i = samePartsLength; i < fromParts.length; i++) {
+ outputParts.push("..");
+ }
+ outputParts = outputParts.concat(toParts.slice(samePartsLength));
+ return outputParts.join("/");
+ }
+};
+
+var UTF8Decoder = new TextDecoder;
+
+var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
+ var maxIdx = idx + maxBytesToRead;
+ if (ignoreNul) return maxIdx;
+ // TextDecoder needs to know the byte length in advance, it doesn't stop on
+ // null terminator by itself.
+ // As a tiny code save trick, compare idx against maxIdx using a negation,
+ // so that maxBytesToRead=undefined/NaN means Infinity.
+ while (heapOrArray[idx] && !(idx >= maxIdx)) ++idx;
+ return idx;
+};
+
+/**
+ * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
+ * array that contains uint8 values, returns a copy of that string as a
+ * Javascript String object.
+ * heapOrArray is either a regular array, or a JavaScript typed array view.
+ * @param {number=} idx
+ * @param {number=} maxBytesToRead
+ * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
+ * @return {string}
+ */ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead, ignoreNul) => {
+ var endPtr = findStringEnd(heapOrArray, idx, maxBytesToRead, ignoreNul);
+ return UTF8Decoder.decode(heapOrArray.buffer ? heapOrArray.subarray(idx, endPtr) : new Uint8Array(heapOrArray.slice(idx, endPtr)));
+};
+
+var FS_stdin_getChar_buffer = [];
+
+var lengthBytesUTF8 = str => {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+ // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
+ // unit, not a Unicode code point of the character! So decode
+ // UTF16->UTF32->UTF8.
+ // See http://unicode.org/faq/utf_bom.html#utf16-3
+ var c = str.charCodeAt(i);
+ // possibly a lead surrogate
+ if (c <= 127) {
+ len++;
+ } else if (c <= 2047) {
+ len += 2;
+ } else if (c >= 55296 && c <= 57343) {
+ len += 4;
+ ++i;
+ } else {
+ len += 3;
+ }
+ }
+ return len;
+};
+
+var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
+ // Parameter maxBytesToWrite is not optional. Negative values, 0, null,
+ // undefined and false each don't write out any bytes.
+ if (!(maxBytesToWrite > 0)) return 0;
+ var startIdx = outIdx;
+ var endIdx = outIdx + maxBytesToWrite - 1;
+ // -1 for string null terminator.
+ for (var i = 0; i < str.length; ++i) {
+ // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
+ // and https://www.ietf.org/rfc/rfc2279.txt
+ // and https://tools.ietf.org/html/rfc3629
+ var u = str.codePointAt(i);
+ if (u <= 127) {
+ if (outIdx >= endIdx) break;
+ heap[outIdx++] = u;
+ } else if (u <= 2047) {
+ if (outIdx + 1 >= endIdx) break;
+ heap[outIdx++] = 192 | (u >> 6);
+ heap[outIdx++] = 128 | (u & 63);
+ } else if (u <= 65535) {
+ if (outIdx + 2 >= endIdx) break;
+ heap[outIdx++] = 224 | (u >> 12);
+ heap[outIdx++] = 128 | ((u >> 6) & 63);
+ heap[outIdx++] = 128 | (u & 63);
+ } else {
+ if (outIdx + 3 >= endIdx) break;
+ heap[outIdx++] = 240 | (u >> 18);
+ heap[outIdx++] = 128 | ((u >> 12) & 63);
+ heap[outIdx++] = 128 | ((u >> 6) & 63);
+ heap[outIdx++] = 128 | (u & 63);
+ // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
+ // We need to manually skip over the second code unit for correct iteration.
+ i++;
+ }
+ }
+ // Null-terminate the pointer to the buffer.
+ heap[outIdx] = 0;
+ return outIdx - startIdx;
+};
+
+/** @type {function(string, boolean=, number=)} */ var intArrayFromString = (stringy, dontAddNull, length) => {
+ var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
+ var u8array = new Array(len);
+ var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
+ if (dontAddNull) u8array.length = numBytesWritten;
+ return u8array;
+};
+
+var FS_stdin_getChar = () => {
+ if (!FS_stdin_getChar_buffer.length) {
+ var result = null;
+ if (ENVIRONMENT_IS_NODE) {
+ // we will read data by chunks of BUFSIZE
+ var BUFSIZE = 256;
+ var buf = Buffer.alloc(BUFSIZE);
+ var bytesRead = 0;
+ // For some reason we must suppress a closure warning here, even though
+ // fd definitely exists on process.stdin, and is even the proper way to
+ // get the fd of stdin,
+ // https://github.com/nodejs/help/issues/2136#issuecomment-523649904
+ // This started to happen after moving this logic out of library_tty.js,
+ // so it is related to the surrounding code in some unclear manner.
+ /** @suppress {missingProperties} */ var fd = process.stdin.fd;
+ try {
+ bytesRead = fs.readSync(fd, buf, 0, BUFSIZE);
+ } catch (e) {
+ // Cross-platform differences: on Windows, reading EOF throws an
+ // exception, but on other OSes, reading EOF returns 0. Uniformize
+ // behavior by treating the EOF exception to return 0.
+ if (e.toString().includes("EOF")) bytesRead = 0; else throw e;
+ }
+ if (bytesRead > 0) {
+ result = buf.slice(0, bytesRead).toString("utf-8");
+ }
+ } else if (globalThis.window?.prompt) {
+ // Browser.
+ result = window.prompt("Input: ");
+ // returns null on cancel
+ if (result !== null) {
+ result += "\n";
+ }
+ } else {}
+ if (!result) {
+ return null;
+ }
+ FS_stdin_getChar_buffer = intArrayFromString(result, true);
+ }
+ return FS_stdin_getChar_buffer.shift();
+};
+
+var TTY = {
+ ttys: [],
+ init() {},
+ shutdown() {},
+ register(dev, ops) {
+ TTY.ttys[dev] = {
+ input: [],
+ output: [],
+ ops
+ };
+ FS.registerDevice(dev, TTY.stream_ops);
+ },
+ stream_ops: {
+ open(stream) {
+ var tty = TTY.ttys[stream.node.rdev];
+ if (!tty) {
+ throw new FS.ErrnoError(43);
+ }
+ stream.tty = tty;
+ stream.seekable = false;
+ },
+ close(stream) {
+ // flush any pending line data
+ stream.tty.ops.fsync(stream.tty);
+ },
+ fsync(stream) {
+ stream.tty.ops.fsync(stream.tty);
+ },
+ read(stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.get_char) {
+ throw new FS.ErrnoError(60);
+ }
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = stream.tty.ops.get_char(stream.tty);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(6);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset + i] = result;
+ }
+ if (bytesRead) {
+ stream.node.atime = Date.now();
+ }
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.put_char) {
+ throw new FS.ErrnoError(60);
+ }
+ try {
+ for (var i = 0; i < length; i++) {
+ stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
+ }
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (length) {
+ stream.node.mtime = stream.node.ctime = Date.now();
+ }
+ return i;
+ }
+ },
+ default_tty_ops: {
+ get_char(tty) {
+ return FS_stdin_getChar();
+ },
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ out(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ } else {
+ if (val != 0) tty.output.push(val);
+ }
+ },
+ fsync(tty) {
+ if (tty.output?.length > 0) {
+ out(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ }
+ },
+ ioctl_tcgets(tty) {
+ // typical setting
+ return {
+ c_iflag: 25856,
+ c_oflag: 5,
+ c_cflag: 191,
+ c_lflag: 35387,
+ c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
+ };
+ },
+ ioctl_tcsets(tty, optional_actions, data) {
+ // currently just ignore
+ return 0;
+ },
+ ioctl_tiocgwinsz(tty) {
+ return [ 24, 80 ];
+ }
+ },
+ default_tty1_ops: {
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ err(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ } else {
+ if (val != 0) tty.output.push(val);
+ }
+ },
+ fsync(tty) {
+ if (tty.output?.length > 0) {
+ err(UTF8ArrayToString(tty.output));
+ tty.output = [];
+ }
+ }
+ }
+};
+
+var zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size);
+
+var alignMemory = (size, alignment) => Math.ceil(size / alignment) * alignment;
+
+var mmapAlloc = size => {
+ size = alignMemory(size, 65536);
+ var ptr = _emscripten_builtin_memalign(65536, size);
+ if (ptr) zeroMemory(ptr, size);
+ return ptr;
+};
+
+var MEMFS = {
+ ops_table: null,
+ mount(mount) {
+ return MEMFS.createNode(null, "/", 16895, 0);
+ },
+ createNode(parent, name, mode, dev) {
+ if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+ // not supported
+ throw new FS.ErrnoError(63);
+ }
+ MEMFS.ops_table ||= {
+ dir: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr,
+ lookup: MEMFS.node_ops.lookup,
+ mknod: MEMFS.node_ops.mknod,
+ rename: MEMFS.node_ops.rename,
+ unlink: MEMFS.node_ops.unlink,
+ rmdir: MEMFS.node_ops.rmdir,
+ readdir: MEMFS.node_ops.readdir,
+ symlink: MEMFS.node_ops.symlink
+ },
+ stream: {
+ llseek: MEMFS.stream_ops.llseek
+ }
+ },
+ file: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr
+ },
+ stream: {
+ llseek: MEMFS.stream_ops.llseek,
+ read: MEMFS.stream_ops.read,
+ write: MEMFS.stream_ops.write,
+ mmap: MEMFS.stream_ops.mmap,
+ msync: MEMFS.stream_ops.msync
+ }
+ },
+ link: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr,
+ readlink: MEMFS.node_ops.readlink
+ },
+ stream: {}
+ },
+ chrdev: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr
+ },
+ stream: FS.chrdev_stream_ops
+ }
+ };
+ var node = FS.createNode(parent, name, mode, dev);
+ if (FS.isDir(node.mode)) {
+ node.node_ops = MEMFS.ops_table.dir.node;
+ node.stream_ops = MEMFS.ops_table.dir.stream;
+ node.contents = {};
+ } else if (FS.isFile(node.mode)) {
+ node.node_ops = MEMFS.ops_table.file.node;
+ node.stream_ops = MEMFS.ops_table.file.stream;
+ // The actual number of bytes used in the typed array, as opposed to
+ // contents.length which gives the whole capacity.
+ node.usedBytes = 0;
+ // The byte data of the file is stored in a typed array.
+ // Note: typed arrays are not resizable like normal JS arrays are, so
+ // there is a small penalty involved for appending file writes that
+ // continuously grow a file similar to std::vector capacity vs used.
+ node.contents = MEMFS.emptyFileContents ??= new Uint8Array(0);
+ } else if (FS.isLink(node.mode)) {
+ node.node_ops = MEMFS.ops_table.link.node;
+ node.stream_ops = MEMFS.ops_table.link.stream;
+ } else if (FS.isChrdev(node.mode)) {
+ node.node_ops = MEMFS.ops_table.chrdev.node;
+ node.stream_ops = MEMFS.ops_table.chrdev.stream;
+ }
+ node.atime = node.mtime = node.ctime = Date.now();
+ // add the new node to the parent
+ if (parent) {
+ parent.contents[name] = node;
+ parent.atime = parent.mtime = parent.ctime = node.atime;
+ }
+ return node;
+ },
+ getFileDataAsTypedArray(node) {
+ return node.contents.subarray(0, node.usedBytes);
+ },
+ expandFileStorage(node, newCapacity) {
+ var prevCapacity = node.contents.length;
+ if (prevCapacity >= newCapacity) return;
+ // No need to expand, the storage was already large enough.
+ // Don't expand strictly to the given requested limit if it's only a very
+ // small increase, but instead geometrically grow capacity.
+ // For small filesizes (<1MB), perform size*2 geometric increase, but for
+ // large sizes, do a much more conservative size*1.125 increase to avoid
+ // overshooting the allocation cap by a very large margin.
+ var CAPACITY_DOUBLING_MAX = 1024 * 1024;
+ newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0);
+ if (prevCapacity) newCapacity = Math.max(newCapacity, 256);
+ // At minimum allocate 256b for each file when expanding.
+ var oldContents = MEMFS.getFileDataAsTypedArray(node);
+ node.contents = new Uint8Array(newCapacity);
+ // Allocate new storage.
+ node.contents.set(oldContents);
+ },
+ resizeFileStorage(node, newSize) {
+ if (node.usedBytes == newSize) return;
+ var oldContents = node.contents;
+ node.contents = new Uint8Array(newSize);
+ // Allocate new storage.
+ node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
+ // Copy old data over to the new storage.
+ node.usedBytes = newSize;
+ },
+ node_ops: {
+ getattr(node) {
+ var attr = {};
+ // device numbers reuse inode numbers.
+ attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
+ attr.ino = node.id;
+ attr.mode = node.mode;
+ attr.nlink = 1;
+ attr.uid = 0;
+ attr.gid = 0;
+ attr.rdev = node.rdev;
+ if (FS.isDir(node.mode)) {
+ attr.size = 4096;
+ } else if (FS.isFile(node.mode)) {
+ attr.size = node.usedBytes;
+ } else if (FS.isLink(node.mode)) {
+ attr.size = node.link.length;
+ } else {
+ attr.size = 0;
+ }
+ attr.atime = new Date(node.atime);
+ attr.mtime = new Date(node.mtime);
+ attr.ctime = new Date(node.ctime);
+ // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
+ // but this is not required by the standard.
+ attr.blksize = 4096;
+ attr.blocks = Math.ceil(attr.size / attr.blksize);
+ return attr;
+ },
+ setattr(node, attr) {
+ for (const key of [ "mode", "atime", "mtime", "ctime" ]) {
+ if (attr[key] != null) {
+ node[key] = attr[key];
+ }
+ }
+ if (attr.size !== undefined) {
+ MEMFS.resizeFileStorage(node, attr.size);
+ }
+ },
+ lookup(parent, name) {
+ // This error may happen quite a bit. To avoid overhead we reuse it (and
+ // suffer a lack of stack info).
+ if (!MEMFS.doesNotExistError) {
+ MEMFS.doesNotExistError = new FS.ErrnoError(44);
+ /** @suppress {checkTypes} */ MEMFS.doesNotExistError.stack = "";
+ }
+ throw MEMFS.doesNotExistError;
+ },
+ mknod(parent, name, mode, dev) {
+ return MEMFS.createNode(parent, name, mode, dev);
+ },
+ rename(old_node, new_dir, new_name) {
+ var new_node;
+ try {
+ new_node = FS.lookupNode(new_dir, new_name);
+ } catch (e) {}
+ if (new_node) {
+ if (FS.isDir(old_node.mode)) {
+ // if we're overwriting a directory at new_name, make sure it's empty.
+ for (var i in new_node.contents) {
+ throw new FS.ErrnoError(55);
+ }
+ }
+ FS.hashRemoveNode(new_node);
+ }
+ // do the internal rewiring
+ delete old_node.parent.contents[old_node.name];
+ new_dir.contents[new_name] = old_node;
+ old_node.name = new_name;
+ new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now();
+ },
+ unlink(parent, name) {
+ delete parent.contents[name];
+ parent.ctime = parent.mtime = Date.now();
+ },
+ rmdir(parent, name) {
+ var node = FS.lookupNode(parent, name);
+ for (var i in node.contents) {
+ throw new FS.ErrnoError(55);
+ }
+ delete parent.contents[name];
+ parent.ctime = parent.mtime = Date.now();
+ },
+ readdir(node) {
+ return [ ".", "..", ...Object.keys(node.contents) ];
+ },
+ symlink(parent, newname, oldpath) {
+ var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
+ node.link = oldpath;
+ return node;
+ },
+ readlink(node) {
+ if (!FS.isLink(node.mode)) {
+ throw new FS.ErrnoError(28);
+ }
+ return node.link;
+ }
+ },
+ stream_ops: {
+ read(stream, buffer, offset, length, position) {
+ var contents = stream.node.contents;
+ if (position >= stream.node.usedBytes) return 0;
+ var size = Math.min(stream.node.usedBytes - position, length);
+ buffer.set(contents.subarray(position, position + size), offset);
+ return size;
+ },
+ write(stream, buffer, offset, length, position, canOwn) {
+ // If the buffer is located in main memory (HEAP), and if
+ // memory can grow, we can't hold on to references of the
+ // memory buffer, as they may get invalidated. That means we
+ // need to copy its contents.
+ if (buffer.buffer === HEAP8.buffer) {
+ canOwn = false;
+ }
+ if (!length) return 0;
+ var node = stream.node;
+ node.mtime = node.ctime = Date.now();
+ if (canOwn) {
+ node.contents = buffer.subarray(offset, offset + length);
+ node.usedBytes = length;
+ } else if (node.usedBytes === 0 && position === 0) {
+ // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
+ node.contents = buffer.slice(offset, offset + length);
+ node.usedBytes = length;
+ } else {
+ MEMFS.expandFileStorage(node, position + length);
+ // Use typed array write which is available.
+ node.contents.set(buffer.subarray(offset, offset + length), position);
+ node.usedBytes = Math.max(node.usedBytes, position + length);
+ }
+ return length;
+ },
+ llseek(stream, offset, whence) {
+ var position = offset;
+ if (whence === 1) {
+ position += stream.position;
+ } else if (whence === 2) {
+ if (FS.isFile(stream.node.mode)) {
+ position += stream.node.usedBytes;
+ }
+ }
+ if (position < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ return position;
+ },
+ mmap(stream, length, position, prot, flags) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(43);
+ }
+ var ptr;
+ var allocated;
+ var contents = stream.node.contents;
+ // Only make a new copy when MAP_PRIVATE is specified.
+ if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
+ // We can't emulate MAP_SHARED when the file is not backed by the
+ // buffer we're mapping to (e.g. the HEAP buffer).
+ allocated = false;
+ ptr = contents.byteOffset;
+ } else {
+ allocated = true;
+ ptr = mmapAlloc(length);
+ if (!ptr) {
+ throw new FS.ErrnoError(48);
+ }
+ if (contents) {
+ // Try to avoid unnecessary slices.
+ if (position > 0 || position + length < contents.length) {
+ if (contents.subarray) {
+ contents = contents.subarray(position, position + length);
+ } else {
+ contents = Array.prototype.slice.call(contents, position, position + length);
+ }
+ }
+ HEAP8.set(contents, ptr);
+ }
+ }
+ return {
+ ptr,
+ allocated
+ };
+ },
+ msync(stream, buffer, offset, length, mmapFlags) {
+ MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
+ // should we check if bytesWritten and length are the same?
+ return 0;
+ }
+ }
+};
+
+var FS_modeStringToFlags = str => {
+ if (typeof str != "string") return str;
+ var flagModes = {
+ "r": 0,
+ "r+": 2,
+ "w": 512 | 64 | 1,
+ "w+": 512 | 64 | 2,
+ "a": 1024 | 64 | 1,
+ "a+": 1024 | 64 | 2
+ };
+ var flags = flagModes[str];
+ if (typeof flags == "undefined") {
+ throw new Error(`Unknown file open mode: ${str}`);
+ }
+ return flags;
+};
+
+var FS_fileDataToTypedArray = data => {
+ if (typeof data == "string") {
+ data = intArrayFromString(data, true);
+ }
+ if (!data.subarray) {
+ data = new Uint8Array(data);
+ }
+ return data;
+};
+
+var FS_getMode = (canRead, canWrite) => {
+ var mode = 0;
+ if (canRead) mode |= 292 | 73;
+ if (canWrite) mode |= 146;
+ return mode;
+};
+
+var asyncLoad = async url => {
+ var arrayBuffer = await readAsync(url);
+ return new Uint8Array(arrayBuffer);
+};
+
+var FS_createDataFile = (...args) => FS.createDataFile(...args);
+
+var getUniqueRunDependency = id => id;
+
+var runDependencies = 0;
+
+var dependenciesFulfilled = null;
+
+var removeRunDependency = id => {
+ runDependencies--;
+ Module["monitorRunDependencies"]?.(runDependencies);
+ if (runDependencies == 0) {
+ if (dependenciesFulfilled) {
+ var callback = dependenciesFulfilled;
+ dependenciesFulfilled = null;
+ callback();
+ }
+ }
+};
+
+var addRunDependency = id => {
+ runDependencies++;
+ Module["monitorRunDependencies"]?.(runDependencies);
+};
+
+var FS_handledByPreloadPlugin = async (byteArray, fullname) => {
+ // Ensure plugins are ready.
+ if (typeof Browser != "undefined") Browser.init();
+ for (var plugin of preloadPlugins) {
+ if (plugin["canHandle"](fullname)) {
+ return plugin["handle"](byteArray, fullname);
+ }
+ }
+ // If no plugin handled this file then return the original/unmodified
+ // byteArray.
+ return byteArray;
+};
+
+var FS_preloadFile = async (parent, name, url, canRead, canWrite, dontCreateFile, canOwn, preFinish) => {
+ // TODO we should allow people to just pass in a complete filename instead
+ // of parent and name being that we just join them anyways
+ var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
+ var dep = getUniqueRunDependency(`cp ${fullname}`);
+ // might have several active requests for the same fullname
+ addRunDependency(dep);
+ try {
+ var byteArray = url;
+ if (typeof url == "string") {
+ byteArray = await asyncLoad(url);
+ }
+ byteArray = await FS_handledByPreloadPlugin(byteArray, fullname);
+ preFinish?.();
+ if (!dontCreateFile) {
+ FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+ }
+ } finally {
+ removeRunDependency(dep);
+ }
+};
+
+var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
+ FS_preloadFile(parent, name, url, canRead, canWrite, dontCreateFile, canOwn, preFinish).then(onload).catch(onerror);
+};
+
+var FS = {
+ root: null,
+ mounts: [],
+ devices: {},
+ streams: [],
+ nextInode: 1,
+ nameTable: null,
+ currentPath: "/",
+ initialized: false,
+ ignorePermissions: true,
+ filesystems: null,
+ syncFSRequests: 0,
+ ErrnoError: class {
+ name="ErrnoError";
+ // We set the `name` property to be able to identify `FS.ErrnoError`
+ // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
+ // - when using PROXYFS, an error can come from an underlying FS
+ // as different FS objects have their own FS.ErrnoError each,
+ // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
+ // we'll use the reliable test `err.name == "ErrnoError"` instead
+ constructor(errno) {
+ this.errno = errno;
+ }
+ },
+ FSStream: class {
+ shared={};
+ get object() {
+ return this.node;
+ }
+ set object(val) {
+ this.node = val;
+ }
+ get isRead() {
+ return (this.flags & 2097155) !== 1;
+ }
+ get isWrite() {
+ return (this.flags & 2097155) !== 0;
+ }
+ get isAppend() {
+ return (this.flags & 1024);
+ }
+ get flags() {
+ return this.shared.flags;
+ }
+ set flags(val) {
+ this.shared.flags = val;
+ }
+ get position() {
+ return this.shared.position;
+ }
+ set position(val) {
+ this.shared.position = val;
+ }
+ },
+ FSNode: class {
+ node_ops={};
+ stream_ops={};
+ readMode=292 | 73;
+ writeMode=146;
+ mounted=null;
+ constructor(parent, name, mode, rdev) {
+ if (!parent) {
+ parent = this;
+ }
+ this.parent = parent;
+ this.mount = parent.mount;
+ this.id = FS.nextInode++;
+ this.name = name;
+ this.mode = mode;
+ this.rdev = rdev;
+ this.atime = this.mtime = this.ctime = Date.now();
+ }
+ get read() {
+ return (this.mode & this.readMode) === this.readMode;
+ }
+ set read(val) {
+ val ? this.mode |= this.readMode : this.mode &= ~this.readMode;
+ }
+ get write() {
+ return (this.mode & this.writeMode) === this.writeMode;
+ }
+ set write(val) {
+ val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode;
+ }
+ get isFolder() {
+ return FS.isDir(this.mode);
+ }
+ get isDevice() {
+ return FS.isChrdev(this.mode);
+ }
+ },
+ lookupPath(path, opts = {}) {
+ if (!path) {
+ throw new FS.ErrnoError(44);
+ }
+ opts.follow_mount ??= true;
+ if (!PATH.isAbs(path)) {
+ path = FS.cwd() + "/" + path;
+ }
+ // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+ linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
+ // split the absolute path
+ var parts = path.split("/").filter(p => !!p);
+ // start at the root
+ var current = FS.root;
+ var current_path = "/";
+ for (var i = 0; i < parts.length; i++) {
+ var islast = (i === parts.length - 1);
+ if (islast && opts.parent) {
+ // stop resolving
+ break;
+ }
+ if (parts[i] === ".") {
+ continue;
+ }
+ if (parts[i] === "..") {
+ current_path = PATH.dirname(current_path);
+ if (FS.isRoot(current)) {
+ path = current_path + "/" + parts.slice(i + 1).join("/");
+ // We're making progress here, don't let many consecutive ..'s
+ // lead to ELOOP
+ nlinks--;
+ continue linkloop;
+ } else {
+ current = current.parent;
+ }
+ continue;
+ }
+ current_path = PATH.join2(current_path, parts[i]);
+ try {
+ current = FS.lookupNode(current, parts[i]);
+ } catch (e) {
+ // if noent_okay is true, suppress a ENOENT in the last component
+ // and return an object with an undefined node. This is needed for
+ // resolving symlinks in the path when creating a file.
+ if ((e?.errno === 44) && islast && opts.noent_okay) {
+ return {
+ path: current_path
+ };
+ }
+ throw e;
+ }
+ // jump to the mount's root node if this is a mountpoint
+ if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
+ current = current.mounted.root;
+ }
+ // by default, lookupPath will not follow a symlink if it is the final path component.
+ // setting opts.follow = true will override this behavior.
+ if (FS.isLink(current.mode) && (!islast || opts.follow)) {
+ if (!current.node_ops.readlink) {
+ throw new FS.ErrnoError(52);
+ }
+ var link = current.node_ops.readlink(current);
+ if (!PATH.isAbs(link)) {
+ link = PATH.dirname(current_path) + "/" + link;
+ }
+ path = link + "/" + parts.slice(i + 1).join("/");
+ continue linkloop;
+ }
+ }
+ return {
+ path: current_path,
+ node: current
+ };
+ }
+ throw new FS.ErrnoError(32);
+ },
+ getPath(node) {
+ var path;
+ while (true) {
+ if (FS.isRoot(node)) {
+ var mount = node.mount.mountpoint;
+ if (!path) return mount;
+ return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path;
+ }
+ path = path ? `${node.name}/${path}` : node.name;
+ node = node.parent;
+ }
+ },
+ hashName(parentid, name) {
+ var hash = 0;
+ for (var i = 0; i < name.length; i++) {
+ hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
+ }
+ return ((parentid + hash) >>> 0) % FS.nameTable.length;
+ },
+ hashAddNode(node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ node.name_next = FS.nameTable[hash];
+ FS.nameTable[hash] = node;
+ },
+ hashRemoveNode(node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ if (FS.nameTable[hash] === node) {
+ FS.nameTable[hash] = node.name_next;
+ } else {
+ var current = FS.nameTable[hash];
+ while (current) {
+ if (current.name_next === node) {
+ current.name_next = node.name_next;
+ break;
+ }
+ current = current.name_next;
+ }
+ }
+ },
+ lookupNode(parent, name) {
+ var errCode = FS.mayLookup(parent);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ var hash = FS.hashName(parent.id, name);
+ for (var node = FS.nameTable[hash]; node; node = node.name_next) {
+ var nodeName = node.name;
+ if (node.parent.id === parent.id && nodeName === name) {
+ return node;
+ }
+ }
+ // if we failed to find it in the cache, call into the VFS
+ return FS.lookup(parent, name);
+ },
+ createNode(parent, name, mode, rdev) {
+ var node = new FS.FSNode(parent, name, mode, rdev);
+ FS.hashAddNode(node);
+ return node;
+ },
+ destroyNode(node) {
+ FS.hashRemoveNode(node);
+ },
+ isRoot(node) {
+ return node === node.parent;
+ },
+ isMountpoint(node) {
+ return !!node.mounted;
+ },
+ isFile(mode) {
+ return (mode & 61440) === 32768;
+ },
+ isDir(mode) {
+ return (mode & 61440) === 16384;
+ },
+ isLink(mode) {
+ return (mode & 61440) === 40960;
+ },
+ isChrdev(mode) {
+ return (mode & 61440) === 8192;
+ },
+ isBlkdev(mode) {
+ return (mode & 61440) === 24576;
+ },
+ isFIFO(mode) {
+ return (mode & 61440) === 4096;
+ },
+ isSocket(mode) {
+ return (mode & 49152) === 49152;
+ },
+ flagsToPermissionString(flag) {
+ var perms = [ "r", "w", "rw" ][flag & 3];
+ if ((flag & 512)) {
+ perms += "w";
+ }
+ return perms;
+ },
+ nodePermissions(node, perms) {
+ if (FS.ignorePermissions) {
+ return 0;
+ }
+ // return 0 if any user, group or owner bits are set.
+ if (perms.includes("r") && !(node.mode & 292)) {
+ return 2;
+ }
+ if (perms.includes("w") && !(node.mode & 146)) {
+ return 2;
+ }
+ if (perms.includes("x") && !(node.mode & 73)) {
+ return 2;
+ }
+ return 0;
+ },
+ mayLookup(dir) {
+ if (!FS.isDir(dir.mode)) return 54;
+ var errCode = FS.nodePermissions(dir, "x");
+ if (errCode) return errCode;
+ if (!dir.node_ops.lookup) return 2;
+ return 0;
+ },
+ mayCreate(dir, name) {
+ if (!FS.isDir(dir.mode)) {
+ return 54;
+ }
+ try {
+ var node = FS.lookupNode(dir, name);
+ return 20;
+ } catch (e) {}
+ return FS.nodePermissions(dir, "wx");
+ },
+ mayDelete(dir, name, isdir) {
+ var node;
+ try {
+ node = FS.lookupNode(dir, name);
+ } catch (e) {
+ return e.errno;
+ }
+ var errCode = FS.nodePermissions(dir, "wx");
+ if (errCode) {
+ return errCode;
+ }
+ if (isdir) {
+ if (!FS.isDir(node.mode)) {
+ return 54;
+ }
+ if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
+ return 10;
+ }
+ } else if (FS.isDir(node.mode)) {
+ return 31;
+ }
+ return 0;
+ },
+ mayOpen(node, flags) {
+ if (!node) {
+ return 44;
+ }
+ if (FS.isLink(node.mode)) {
+ return 32;
+ }
+ var mode = FS.flagsToPermissionString(flags);
+ if (FS.isDir(node.mode)) {
+ // opening for write
+ // TODO: check for O_SEARCH? (== search for dir only)
+ if (mode !== "r" || (flags & (512 | 64))) {
+ return 31;
+ }
+ }
+ return FS.nodePermissions(node, mode);
+ },
+ checkOpExists(op, err) {
+ if (!op) {
+ throw new FS.ErrnoError(err);
+ }
+ return op;
+ },
+ MAX_OPEN_FDS: 4096,
+ nextfd() {
+ for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
+ if (!FS.streams[fd]) {
+ return fd;
+ }
+ }
+ throw new FS.ErrnoError(33);
+ },
+ getStreamChecked(fd) {
+ var stream = FS.getStream(fd);
+ if (!stream) {
+ throw new FS.ErrnoError(8);
+ }
+ return stream;
+ },
+ getStream: fd => FS.streams[fd],
+ createStream(stream, fd = -1) {
+ // clone it, so we can return an instance of FSStream
+ stream = Object.assign(new FS.FSStream, stream);
+ if (fd == -1) {
+ fd = FS.nextfd();
+ }
+ stream.fd = fd;
+ FS.streams[fd] = stream;
+ return stream;
+ },
+ closeStream(fd) {
+ FS.streams[fd] = null;
+ },
+ dupStream(origStream, fd = -1) {
+ var stream = FS.createStream(origStream, fd);
+ stream.stream_ops?.dup?.(stream);
+ return stream;
+ },
+ doSetAttr(stream, node, attr) {
+ var setattr = stream?.stream_ops.setattr;
+ var arg = setattr ? stream : node;
+ setattr ??= node.node_ops.setattr;
+ FS.checkOpExists(setattr, 63);
+ setattr(arg, attr);
+ },
+ chrdev_stream_ops: {
+ open(stream) {
+ var device = FS.getDevice(stream.node.rdev);
+ // override node's stream ops with the device's
+ stream.stream_ops = device.stream_ops;
+ // forward the open call
+ stream.stream_ops.open?.(stream);
+ },
+ llseek() {
+ throw new FS.ErrnoError(70);
+ }
+ },
+ major: dev => ((dev) >> 8),
+ minor: dev => ((dev) & 255),
+ makedev: (ma, mi) => ((ma) << 8 | (mi)),
+ registerDevice(dev, ops) {
+ FS.devices[dev] = {
+ stream_ops: ops
+ };
+ },
+ getDevice: dev => FS.devices[dev],
+ getMounts(mount) {
+ var mounts = [];
+ var check = [ mount ];
+ while (check.length) {
+ var m = check.pop();
+ mounts.push(m);
+ check.push(...m.mounts);
+ }
+ return mounts;
+ },
+ syncfs(populate, callback) {
+ if (typeof populate == "function") {
+ callback = populate;
+ populate = false;
+ }
+ FS.syncFSRequests++;
+ if (FS.syncFSRequests > 1) {
+ err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
+ }
+ var mounts = FS.getMounts(FS.root.mount);
+ var completed = 0;
+ function doCallback(errCode) {
+ FS.syncFSRequests--;
+ return callback(errCode);
+ }
+ function done(errCode) {
+ if (errCode) {
+ if (!done.errored) {
+ done.errored = true;
+ return doCallback(errCode);
+ }
+ return;
+ }
+ if (++completed >= mounts.length) {
+ doCallback(null);
+ }
+ }
+ // sync all mounts
+ for (var mount of mounts) {
+ if (mount.type.syncfs) {
+ mount.type.syncfs(mount, populate, done);
+ } else {
+ done(null);
+ }
+ }
+ },
+ mount(type, opts, mountpoint) {
+ var root = mountpoint === "/";
+ var pseudo = !mountpoint;
+ var node;
+ if (root && FS.root) {
+ throw new FS.ErrnoError(10);
+ } else if (!root && !pseudo) {
+ var lookup = FS.lookupPath(mountpoint, {
+ follow_mount: false
+ });
+ mountpoint = lookup.path;
+ // use the absolute path
+ node = lookup.node;
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(10);
+ }
+ if (!FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ }
+ var mount = {
+ type,
+ opts,
+ mountpoint,
+ mounts: []
+ };
+ // create a root node for the fs
+ var mountRoot = type.mount(mount);
+ mountRoot.mount = mount;
+ mount.root = mountRoot;
+ if (root) {
+ FS.root = mountRoot;
+ } else if (node) {
+ // set as a mountpoint
+ node.mounted = mount;
+ // add the new mount to the current mount's children
+ if (node.mount) {
+ node.mount.mounts.push(mount);
+ }
+ }
+ return mountRoot;
+ },
+ unmount(mountpoint) {
+ var lookup = FS.lookupPath(mountpoint, {
+ follow_mount: false
+ });
+ if (!FS.isMountpoint(lookup.node)) {
+ throw new FS.ErrnoError(28);
+ }
+ // destroy the nodes for this mount, and all its child mounts
+ var node = lookup.node;
+ var mount = node.mounted;
+ var mounts = FS.getMounts(mount);
+ for (var [hash, current] of Object.entries(FS.nameTable)) {
+ while (current) {
+ var next = current.name_next;
+ if (mounts.includes(current.mount)) {
+ FS.destroyNode(current);
+ }
+ current = next;
+ }
+ }
+ // no longer a mountpoint
+ node.mounted = null;
+ // remove this mount from the child mounts
+ var idx = node.mount.mounts.indexOf(mount);
+ node.mount.mounts.splice(idx, 1);
+ },
+ lookup(parent, name) {
+ return parent.node_ops.lookup(parent, name);
+ },
+ mknod(path, mode, dev) {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ if (!name) {
+ throw new FS.ErrnoError(28);
+ }
+ if (name === "." || name === "..") {
+ throw new FS.ErrnoError(20);
+ }
+ var errCode = FS.mayCreate(parent, name);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.mknod) {
+ throw new FS.ErrnoError(63);
+ }
+ return parent.node_ops.mknod(parent, name, mode, dev);
+ },
+ statfs(path) {
+ return FS.statfsNode(FS.lookupPath(path, {
+ follow: true
+ }).node);
+ },
+ statfsStream(stream) {
+ // We keep a separate statfsStream function because noderawfs overrides
+ // it. In noderawfs, stream.node is sometimes null. Instead, we need to
+ // look at stream.path.
+ return FS.statfsNode(stream.node);
+ },
+ statfsNode(node) {
+ // NOTE: None of the defaults here are true. We're just returning safe and
+ // sane values. Currently nodefs and rawfs replace these defaults,
+ // other file systems leave them alone.
+ var rtn = {
+ bsize: 4096,
+ frsize: 4096,
+ blocks: 1e6,
+ bfree: 5e5,
+ bavail: 5e5,
+ files: FS.nextInode,
+ ffree: FS.nextInode - 1,
+ fsid: 42,
+ flags: 2,
+ namelen: 255
+ };
+ if (node.node_ops.statfs) {
+ Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root));
+ }
+ return rtn;
+ },
+ create(path, mode = 438) {
+ mode &= 4095;
+ mode |= 32768;
+ return FS.mknod(path, mode, 0);
+ },
+ mkdir(path, mode = 511) {
+ mode &= 511 | 512;
+ mode |= 16384;
+ return FS.mknod(path, mode, 0);
+ },
+ mkdirTree(path, mode) {
+ var dirs = path.split("/");
+ var d = "";
+ for (var dir of dirs) {
+ if (!dir) continue;
+ if (d || PATH.isAbs(path)) d += "/";
+ d += dir;
+ try {
+ FS.mkdir(d, mode);
+ } catch (e) {
+ if (e.errno != 20) throw e;
+ }
+ }
+ },
+ mkdev(path, mode, dev) {
+ if (typeof dev == "undefined") {
+ dev = mode;
+ mode = 438;
+ }
+ mode |= 8192;
+ return FS.mknod(path, mode, dev);
+ },
+ symlink(oldpath, newpath) {
+ if (!PATH_FS.resolve(oldpath)) {
+ throw new FS.ErrnoError(44);
+ }
+ var lookup = FS.lookupPath(newpath, {
+ parent: true
+ });
+ var parent = lookup.node;
+ if (!parent) {
+ throw new FS.ErrnoError(44);
+ }
+ var newname = PATH.basename(newpath);
+ var errCode = FS.mayCreate(parent, newname);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.symlink) {
+ throw new FS.ErrnoError(63);
+ }
+ return parent.node_ops.symlink(parent, newname, oldpath);
+ },
+ rename(old_path, new_path) {
+ var old_dirname = PATH.dirname(old_path);
+ var new_dirname = PATH.dirname(new_path);
+ var old_name = PATH.basename(old_path);
+ var new_name = PATH.basename(new_path);
+ // parents must exist
+ var lookup, old_dir, new_dir;
+ // let the errors from non existent directories percolate up
+ lookup = FS.lookupPath(old_path, {
+ parent: true
+ });
+ old_dir = lookup.node;
+ lookup = FS.lookupPath(new_path, {
+ parent: true
+ });
+ new_dir = lookup.node;
+ if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
+ // need to be part of the same mount
+ if (old_dir.mount !== new_dir.mount) {
+ throw new FS.ErrnoError(75);
+ }
+ // source must exist
+ var old_node = FS.lookupNode(old_dir, old_name);
+ // old path should not be an ancestor of the new path
+ var relative = PATH_FS.relative(old_path, new_dirname);
+ if (relative.charAt(0) !== ".") {
+ throw new FS.ErrnoError(28);
+ }
+ // new path should not be an ancestor of the old path
+ relative = PATH_FS.relative(new_path, old_dirname);
+ if (relative.charAt(0) !== ".") {
+ throw new FS.ErrnoError(55);
+ }
+ // see if the new path already exists
+ var new_node;
+ try {
+ new_node = FS.lookupNode(new_dir, new_name);
+ } catch (e) {}
+ // early out if nothing needs to change
+ if (old_node === new_node) {
+ return;
+ }
+ // we'll need to delete the old entry
+ var isdir = FS.isDir(old_node.mode);
+ var errCode = FS.mayDelete(old_dir, old_name, isdir);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ // need delete permissions if we'll be overwriting.
+ // need create permissions if new doesn't already exist.
+ errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!old_dir.node_ops.rename) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
+ throw new FS.ErrnoError(10);
+ }
+ // if we are going to change the parent, check write permissions
+ if (new_dir !== old_dir) {
+ errCode = FS.nodePermissions(old_dir, "w");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ }
+ // remove the node from the lookup hash
+ FS.hashRemoveNode(old_node);
+ // do the underlying fs rename
+ try {
+ old_dir.node_ops.rename(old_node, new_dir, new_name);
+ // update old node (we do this here to avoid each backend
+ // needing to)
+ old_node.parent = new_dir;
+ } catch (e) {
+ throw e;
+ } finally {
+ // add the node back to the hash (in case node_ops.rename
+ // changed its name)
+ FS.hashAddNode(old_node);
+ }
+ },
+ rmdir(path) {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var errCode = FS.mayDelete(parent, name, true);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.rmdir) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(10);
+ }
+ parent.node_ops.rmdir(parent, name);
+ FS.destroyNode(node);
+ },
+ readdir(path) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ var readdir = FS.checkOpExists(node.node_ops.readdir, 54);
+ return readdir(node);
+ },
+ unlink(path) {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ var parent = lookup.node;
+ if (!parent) {
+ throw new FS.ErrnoError(44);
+ }
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var errCode = FS.mayDelete(parent, name, false);
+ if (errCode) {
+ // According to POSIX, we should map EISDIR to EPERM, but
+ // we instead do what Linux does (and we must, as we use
+ // the musl linux libc).
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.unlink) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(10);
+ }
+ parent.node_ops.unlink(parent, name);
+ FS.destroyNode(node);
+ },
+ readlink(path) {
+ var lookup = FS.lookupPath(path);
+ var link = lookup.node;
+ if (!link) {
+ throw new FS.ErrnoError(44);
+ }
+ if (!link.node_ops.readlink) {
+ throw new FS.ErrnoError(28);
+ }
+ return link.node_ops.readlink(link);
+ },
+ stat(path, dontFollow) {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ var node = lookup.node;
+ var getattr = FS.checkOpExists(node.node_ops.getattr, 63);
+ return getattr(node);
+ },
+ fstat(fd) {
+ var stream = FS.getStreamChecked(fd);
+ var node = stream.node;
+ var getattr = stream.stream_ops.getattr;
+ var arg = getattr ? stream : node;
+ getattr ??= node.node_ops.getattr;
+ FS.checkOpExists(getattr, 63);
+ return getattr(arg);
+ },
+ lstat(path) {
+ return FS.stat(path, true);
+ },
+ doChmod(stream, node, mode, dontFollow) {
+ FS.doSetAttr(stream, node, {
+ mode: (mode & 4095) | (node.mode & ~4095),
+ ctime: Date.now(),
+ dontFollow
+ });
+ },
+ chmod(path, mode, dontFollow) {
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ FS.doChmod(null, node, mode, dontFollow);
+ },
+ lchmod(path, mode) {
+ FS.chmod(path, mode, true);
+ },
+ fchmod(fd, mode) {
+ var stream = FS.getStreamChecked(fd);
+ FS.doChmod(stream, stream.node, mode, false);
+ },
+ doChown(stream, node, dontFollow) {
+ FS.doSetAttr(stream, node, {
+ timestamp: Date.now(),
+ dontFollow
+ });
+ },
+ chown(path, uid, gid, dontFollow) {
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ FS.doChown(null, node, dontFollow);
+ },
+ lchown(path, uid, gid) {
+ FS.chown(path, uid, gid, true);
+ },
+ fchown(fd, uid, gid) {
+ var stream = FS.getStreamChecked(fd);
+ FS.doChown(stream, stream.node, false);
+ },
+ doTruncate(stream, node, len) {
+ if (FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!FS.isFile(node.mode)) {
+ throw new FS.ErrnoError(28);
+ }
+ var errCode = FS.nodePermissions(node, "w");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ FS.doSetAttr(stream, node, {
+ size: len,
+ timestamp: Date.now()
+ });
+ },
+ truncate(path, len) {
+ if (len < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ FS.doTruncate(null, node, len);
+ },
+ ftruncate(fd, len) {
+ var stream = FS.getStreamChecked(fd);
+ if (len < 0 || (stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(28);
+ }
+ FS.doTruncate(stream, stream.node, len);
+ },
+ utime(path, atime, mtime) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ var setattr = FS.checkOpExists(node.node_ops.setattr, 63);
+ setattr(node, {
+ atime,
+ mtime
+ });
+ },
+ open(path, flags, mode = 438) {
+ if (path === "") {
+ throw new FS.ErrnoError(44);
+ }
+ flags = FS_modeStringToFlags(flags);
+ if ((flags & 64)) {
+ mode = (mode & 4095) | 32768;
+ } else {
+ mode = 0;
+ }
+ var node;
+ var isDirPath;
+ if (typeof path == "object") {
+ node = path;
+ } else {
+ isDirPath = path.endsWith("/");
+ // noent_okay makes it so that if the final component of the path
+ // doesn't exist, lookupPath returns `node: undefined`. `path` will be
+ // updated to point to the target of all symlinks.
+ var lookup = FS.lookupPath(path, {
+ follow: !(flags & 131072),
+ noent_okay: true
+ });
+ node = lookup.node;
+ path = lookup.path;
+ }
+ // perhaps we need to create the node
+ var created = false;
+ if ((flags & 64)) {
+ if (node) {
+ // if O_CREAT and O_EXCL are set, error out if the node already exists
+ if ((flags & 128)) {
+ throw new FS.ErrnoError(20);
+ }
+ } else if (isDirPath) {
+ throw new FS.ErrnoError(31);
+ } else {
+ // node doesn't exist, try to create it
+ // Ignore the permission bits here to ensure we can `open` this new
+ // file below. We use chmod below to apply the permissions once the
+ // file is open.
+ node = FS.mknod(path, mode | 511, 0);
+ created = true;
+ }
+ }
+ if (!node) {
+ throw new FS.ErrnoError(44);
+ }
+ // can't truncate a device
+ if (FS.isChrdev(node.mode)) {
+ flags &= ~512;
+ }
+ // if asked only for a directory, then this must be one
+ if ((flags & 65536) && !FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ // check permissions, if this is not a file we just created now (it is ok to
+ // create and write to a file with read-only permissions; it is read-only
+ // for later use)
+ if (!created) {
+ var errCode = FS.mayOpen(node, flags);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ }
+ // do truncation if necessary
+ if ((flags & 512) && !created) {
+ FS.truncate(node, 0);
+ }
+ // we've already handled these, don't pass down to the underlying vfs
+ flags &= ~(128 | 512 | 131072);
+ // register the stream with the filesystem
+ var stream = FS.createStream({
+ node,
+ path: FS.getPath(node),
+ // we want the absolute path to the node
+ flags,
+ seekable: true,
+ position: 0,
+ stream_ops: node.stream_ops,
+ // used by the file family libc calls (fopen, fwrite, ferror, etc.)
+ ungotten: [],
+ error: false
+ });
+ // call the new stream's open function
+ if (stream.stream_ops.open) {
+ stream.stream_ops.open(stream);
+ }
+ if (created) {
+ FS.chmod(node, mode & 511);
+ }
+ return stream;
+ },
+ close(stream) {
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if (stream.getdents) stream.getdents = null;
+ // free readdir state
+ try {
+ if (stream.stream_ops.close) {
+ stream.stream_ops.close(stream);
+ }
+ } catch (e) {
+ throw e;
+ } finally {
+ FS.closeStream(stream.fd);
+ }
+ stream.fd = null;
+ },
+ isClosed(stream) {
+ return stream.fd === null;
+ },
+ llseek(stream, offset, whence) {
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if (!stream.seekable || !stream.stream_ops.llseek) {
+ throw new FS.ErrnoError(70);
+ }
+ if (whence != 0 && whence != 1 && whence != 2) {
+ throw new FS.ErrnoError(28);
+ }
+ stream.position = stream.stream_ops.llseek(stream, offset, whence);
+ stream.ungotten = [];
+ return stream.position;
+ },
+ read(stream, buffer, offset, length, position) {
+ if (length < 0 || position < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if ((stream.flags & 2097155) === 1) {
+ throw new FS.ErrnoError(8);
+ }
+ if (FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!stream.stream_ops.read) {
+ throw new FS.ErrnoError(28);
+ }
+ var seeking = typeof position != "undefined";
+ if (!seeking) {
+ position = stream.position;
+ } else if (!stream.seekable) {
+ throw new FS.ErrnoError(70);
+ }
+ var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
+ if (!seeking) stream.position += bytesRead;
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, position, canOwn) {
+ if (length < 0 || position < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(8);
+ }
+ if (FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!stream.stream_ops.write) {
+ throw new FS.ErrnoError(28);
+ }
+ if (stream.seekable && stream.flags & 1024) {
+ // seek to the end before writing in append mode
+ FS.llseek(stream, 0, 2);
+ }
+ var seeking = typeof position != "undefined";
+ if (!seeking) {
+ position = stream.position;
+ } else if (!stream.seekable) {
+ throw new FS.ErrnoError(70);
+ }
+ var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
+ if (!seeking) stream.position += bytesWritten;
+ return bytesWritten;
+ },
+ mmap(stream, length, position, prot, flags) {
+ // User requests writing to file (prot & PROT_WRITE != 0).
+ // Checking if we have permissions to write to the file unless
+ // MAP_PRIVATE flag is set. According to POSIX spec it is possible
+ // to write to file opened in read-only mode with MAP_PRIVATE flag,
+ // as all modifications will be visible only in the memory of
+ // the current process.
+ if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
+ throw new FS.ErrnoError(2);
+ }
+ if ((stream.flags & 2097155) === 1) {
+ throw new FS.ErrnoError(2);
+ }
+ if (!stream.stream_ops.mmap) {
+ throw new FS.ErrnoError(43);
+ }
+ if (!length) {
+ throw new FS.ErrnoError(28);
+ }
+ return stream.stream_ops.mmap(stream, length, position, prot, flags);
+ },
+ msync(stream, buffer, offset, length, mmapFlags) {
+ if (!stream.stream_ops.msync) {
+ return 0;
+ }
+ return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
+ },
+ ioctl(stream, cmd, arg) {
+ if (!stream.stream_ops.ioctl) {
+ throw new FS.ErrnoError(59);
+ }
+ return stream.stream_ops.ioctl(stream, cmd, arg);
+ },
+ readFile(path, opts = {}) {
+ opts.flags = opts.flags || 0;
+ opts.encoding = opts.encoding || "binary";
+ if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
+ abort(`Invalid encoding type "${opts.encoding}"`);
+ }
+ var stream = FS.open(path, opts.flags);
+ var stat = FS.stat(path);
+ var length = stat.size;
+ var buf = new Uint8Array(length);
+ FS.read(stream, buf, 0, length, 0);
+ if (opts.encoding === "utf8") {
+ buf = UTF8ArrayToString(buf);
+ }
+ FS.close(stream);
+ return buf;
+ },
+ writeFile(path, data, opts = {}) {
+ opts.flags = opts.flags || 577;
+ var stream = FS.open(path, opts.flags, opts.mode);
+ data = FS_fileDataToTypedArray(data);
+ FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
+ FS.close(stream);
+ },
+ cwd: () => FS.currentPath,
+ chdir(path) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ if (lookup.node === null) {
+ throw new FS.ErrnoError(44);
+ }
+ if (!FS.isDir(lookup.node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ var errCode = FS.nodePermissions(lookup.node, "x");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ FS.currentPath = lookup.path;
+ },
+ createDefaultDirectories() {
+ FS.mkdir("/tmp");
+ FS.mkdir("/home");
+ FS.mkdir("/home/web_user");
+ },
+ createDefaultDevices() {
+ // create /dev
+ FS.mkdir("/dev");
+ // setup /dev/null
+ FS.registerDevice(FS.makedev(1, 3), {
+ read: () => 0,
+ write: (stream, buffer, offset, length, pos) => length,
+ llseek: () => 0
+ });
+ FS.mkdev("/dev/null", FS.makedev(1, 3));
+ // setup /dev/tty and /dev/tty1
+ // stderr needs to print output using err() rather than out()
+ // so we register a second tty just for it.
+ TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
+ TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
+ FS.mkdev("/dev/tty", FS.makedev(5, 0));
+ FS.mkdev("/dev/tty1", FS.makedev(6, 0));
+ // setup /dev/[u]random
+ // use a buffer to avoid overhead of individual crypto calls per byte
+ var randomBuffer = new Uint8Array(1024), randomLeft = 0;
+ var randomByte = () => {
+ if (randomLeft === 0) {
+ randomFill(randomBuffer);
+ randomLeft = randomBuffer.byteLength;
+ }
+ return randomBuffer[--randomLeft];
+ };
+ FS.createDevice("/dev", "random", randomByte);
+ FS.createDevice("/dev", "urandom", randomByte);
+ // we're not going to emulate the actual shm device,
+ // just create the tmp dirs that reside in it commonly
+ FS.mkdir("/dev/shm");
+ FS.mkdir("/dev/shm/tmp");
+ },
+ createSpecialDirectories() {
+ // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
+ // name of the stream for fd 6 (see test_unistd_ttyname)
+ FS.mkdir("/proc");
+ var proc_self = FS.mkdir("/proc/self");
+ FS.mkdir("/proc/self/fd");
+ FS.mount({
+ mount() {
+ var node = FS.createNode(proc_self, "fd", 16895, 73);
+ node.stream_ops = {
+ llseek: MEMFS.stream_ops.llseek
+ };
+ node.node_ops = {
+ lookup(parent, name) {
+ var fd = +name;
+ var stream = FS.getStreamChecked(fd);
+ var ret = {
+ parent: null,
+ mount: {
+ mountpoint: "fake"
+ },
+ node_ops: {
+ readlink: () => stream.path
+ },
+ id: fd + 1
+ };
+ ret.parent = ret;
+ // make it look like a simple root node
+ return ret;
+ },
+ readdir() {
+ return Array.from(FS.streams.entries()).filter(([k, v]) => v).map(([k, v]) => k.toString());
+ }
+ };
+ return node;
+ }
+ }, {}, "/proc/self/fd");
+ },
+ createStandardStreams(input, output, error) {
+ // TODO deprecate the old functionality of a single
+ // input / output callback and that utilizes FS.createDevice
+ // and instead require a unique set of stream ops
+ // by default, we symlink the standard streams to the
+ // default tty devices. however, if the standard streams
+ // have been overwritten we create a unique device for
+ // them instead.
+ if (input) {
+ FS.createDevice("/dev", "stdin", input);
+ } else {
+ FS.symlink("/dev/tty", "/dev/stdin");
+ }
+ if (output) {
+ FS.createDevice("/dev", "stdout", null, output);
+ } else {
+ FS.symlink("/dev/tty", "/dev/stdout");
+ }
+ if (error) {
+ FS.createDevice("/dev", "stderr", null, error);
+ } else {
+ FS.symlink("/dev/tty1", "/dev/stderr");
+ }
+ // open default streams for the stdin, stdout and stderr devices
+ var stdin = FS.open("/dev/stdin", 0);
+ var stdout = FS.open("/dev/stdout", 1);
+ var stderr = FS.open("/dev/stderr", 1);
+ },
+ staticInit() {
+ FS.nameTable = new Array(4096);
+ FS.mount(MEMFS, {}, "/");
+ FS.createDefaultDirectories();
+ FS.createDefaultDevices();
+ FS.createSpecialDirectories();
+ FS.filesystems = {
+ "MEMFS": MEMFS
+ };
+ },
+ init(input, output, error) {
+ FS.initialized = true;
+ // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+ input ??= Module["stdin"];
+ output ??= Module["stdout"];
+ error ??= Module["stderr"];
+ FS.createStandardStreams(input, output, error);
+ },
+ quit() {
+ FS.initialized = false;
+ // force-flush all streams, so we get musl std streams printed out
+ // close all of our streams
+ for (var stream of FS.streams) {
+ if (stream) {
+ FS.close(stream);
+ }
+ }
+ },
+ findObject(path, dontResolveLastLink) {
+ var ret = FS.analyzePath(path, dontResolveLastLink);
+ if (!ret.exists) {
+ return null;
+ }
+ return ret.object;
+ },
+ analyzePath(path, dontResolveLastLink) {
+ // operate from within the context of the symlink's target
+ try {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontResolveLastLink
+ });
+ path = lookup.path;
+ } catch (e) {}
+ var ret = {
+ isRoot: false,
+ exists: false,
+ error: 0,
+ name: null,
+ path: null,
+ object: null,
+ parentExists: false,
+ parentPath: null,
+ parentObject: null
+ };
+ try {
+ var lookup = FS.lookupPath(path, {
+ parent: true
+ });
+ ret.parentExists = true;
+ ret.parentPath = lookup.path;
+ ret.parentObject = lookup.node;
+ ret.name = PATH.basename(path);
+ lookup = FS.lookupPath(path, {
+ follow: !dontResolveLastLink
+ });
+ ret.exists = true;
+ ret.path = lookup.path;
+ ret.object = lookup.node;
+ ret.name = lookup.node.name;
+ ret.isRoot = lookup.path === "/";
+ } catch (e) {
+ ret.error = e.errno;
+ }
+ return ret;
+ },
+ createPath(parent, path, canRead, canWrite) {
+ parent = typeof parent == "string" ? parent : FS.getPath(parent);
+ var parts = path.split("/").reverse();
+ while (parts.length) {
+ var part = parts.pop();
+ if (!part) continue;
+ var current = PATH.join2(parent, part);
+ try {
+ FS.mkdir(current);
+ } catch (e) {
+ if (e.errno != 20) throw e;
+ }
+ parent = current;
+ }
+ return current;
+ },
+ createFile(parent, name, properties, canRead, canWrite) {
+ var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+ var mode = FS_getMode(canRead, canWrite);
+ return FS.create(path, mode);
+ },
+ createDataFile(parent, name, data, canRead, canWrite, canOwn) {
+ var path = name;
+ if (parent) {
+ parent = typeof parent == "string" ? parent : FS.getPath(parent);
+ path = name ? PATH.join2(parent, name) : parent;
+ }
+ var mode = FS_getMode(canRead, canWrite);
+ var node = FS.create(path, mode);
+ if (data) {
+ data = FS_fileDataToTypedArray(data);
+ // make sure we can write to the file
+ FS.chmod(node, mode | 146);
+ var stream = FS.open(node, 577);
+ FS.write(stream, data, 0, data.length, 0, canOwn);
+ FS.close(stream);
+ FS.chmod(node, mode);
+ }
+ },
+ createDevice(parent, name, input, output) {
+ var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+ var mode = FS_getMode(!!input, !!output);
+ FS.createDevice.major ??= 64;
+ var dev = FS.makedev(FS.createDevice.major++, 0);
+ // Create a fake device that a set of stream ops to emulate
+ // the old behavior.
+ FS.registerDevice(dev, {
+ open(stream) {
+ stream.seekable = false;
+ },
+ close(stream) {
+ // flush any pending line data
+ if (output?.buffer?.length) {
+ output(10);
+ }
+ },
+ read(stream, buffer, offset, length, pos) {
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = input();
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(6);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset + i] = result;
+ }
+ if (bytesRead) {
+ stream.node.atime = Date.now();
+ }
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, pos) {
+ for (var i = 0; i < length; i++) {
+ try {
+ output(buffer[offset + i]);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ }
+ if (length) {
+ stream.node.mtime = stream.node.ctime = Date.now();
+ }
+ return i;
+ }
+ });
+ return FS.mkdev(path, mode, dev);
+ },
+ forceLoadFile(obj) {
+ if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+ if (globalThis.XMLHttpRequest) {
+ abort("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
+ } else {
+ // Command-line.
+ try {
+ obj.contents = readBinary(obj.url);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ }
+ },
+ createLazyFile(parent, name, url, canRead, canWrite) {
+ // Lazy chunked Uint8Array (implements get and length from Uint8Array).
+ // Actual getting is abstracted away for eventual reuse.
+ class LazyUint8Array {
+ lengthKnown=false;
+ chunks=[];
+ // Loaded chunks. Index is the chunk number
+ get(idx) {
+ if (idx > this.length - 1 || idx < 0) {
+ return undefined;
+ }
+ var chunkOffset = idx % this.chunkSize;
+ var chunkNum = (idx / this.chunkSize) | 0;
+ return this.getter(chunkNum)[chunkOffset];
+ }
+ setDataGetter(getter) {
+ this.getter = getter;
+ }
+ cacheLength() {
+ // Find length
+ var xhr = new XMLHttpRequest;
+ xhr.open("HEAD", url, false);
+ xhr.send(null);
+ if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) abort("Couldn't load " + url + ". Status: " + xhr.status);
+ var datalength = Number(xhr.getResponseHeader("Content-length"));
+ var header;
+ var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
+ var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
+ var chunkSize = 1024 * 1024;
+ // Chunk size in bytes
+ if (!hasByteServing) chunkSize = datalength;
+ // Function to get a range from the remote URL.
+ var doXHR = (from, to) => {
+ if (from > to) abort("invalid range (" + from + ", " + to + ") or no bytes requested!");
+ if (to > datalength - 1) abort("only " + datalength + " bytes available! programmer error!");
+ // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, false);
+ if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+ // Some hints to the browser that we want binary data.
+ xhr.responseType = "arraybuffer";
+ if (xhr.overrideMimeType) {
+ xhr.overrideMimeType("text/plain; charset=x-user-defined");
+ }
+ xhr.send(null);
+ if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) abort("Couldn't load " + url + ". Status: " + xhr.status);
+ if (xhr.response !== undefined) {
+ return new Uint8Array(/** @type{Array} */ (xhr.response || []));
+ }
+ return intArrayFromString(xhr.responseText || "", true);
+ };
+ var lazyArray = this;
+ lazyArray.setDataGetter(chunkNum => {
+ var start = chunkNum * chunkSize;
+ var end = (chunkNum + 1) * chunkSize - 1;
+ // including this byte
+ end = Math.min(end, datalength - 1);
+ // if datalength-1 is selected, this is the last block
+ if (typeof lazyArray.chunks[chunkNum] == "undefined") {
+ lazyArray.chunks[chunkNum] = doXHR(start, end);
+ }
+ if (typeof lazyArray.chunks[chunkNum] == "undefined") abort("doXHR failed!");
+ return lazyArray.chunks[chunkNum];
+ });
+ if (usesGzip || !datalength) {
+ // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
+ chunkSize = datalength = 1;
+ // this will force getter(0)/doXHR do download the whole file
+ datalength = this.getter(0).length;
+ chunkSize = datalength;
+ out("LazyFiles on gzip forces download of the whole file when length is accessed");
+ }
+ this._length = datalength;
+ this._chunkSize = chunkSize;
+ this.lengthKnown = true;
+ }
+ get length() {
+ if (!this.lengthKnown) {
+ this.cacheLength();
+ }
+ return this._length;
+ }
+ get chunkSize() {
+ if (!this.lengthKnown) {
+ this.cacheLength();
+ }
+ return this._chunkSize;
+ }
+ }
+ if (globalThis.XMLHttpRequest) {
+ if (!ENVIRONMENT_IS_WORKER) abort("Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc");
+ var lazyArray = new LazyUint8Array;
+ var properties = {
+ isDevice: false,
+ contents: lazyArray
+ };
+ } else {
+ var properties = {
+ isDevice: false,
+ url
+ };
+ }
+ var node = FS.createFile(parent, name, properties, canRead, canWrite);
+ // This is a total hack, but I want to get this lazy file code out of the
+ // core of MEMFS. If we want to keep this lazy file concept I feel it should
+ // be its own thin LAZYFS proxying calls to MEMFS.
+ if (properties.contents) {
+ node.contents = properties.contents;
+ } else if (properties.url) {
+ node.contents = null;
+ node.url = properties.url;
+ }
+ // Add a function that defers querying the file size until it is asked the first time.
+ Object.defineProperties(node, {
+ usedBytes: {
+ get: function() {
+ return this.contents.length;
+ }
+ }
+ });
+ // override each stream op with one that tries to force load the lazy file first
+ var stream_ops = {};
+ for (const [key, fn] of Object.entries(node.stream_ops)) {
+ stream_ops[key] = (...args) => {
+ FS.forceLoadFile(node);
+ return fn(...args);
+ };
+ }
+ function writeChunks(stream, buffer, offset, length, position) {
+ var contents = stream.node.contents;
+ if (position >= contents.length) return 0;
+ var size = Math.min(contents.length - position, length);
+ if (contents.slice) {
+ // normal array
+ for (var i = 0; i < size; i++) {
+ buffer[offset + i] = contents[position + i];
+ }
+ } else {
+ for (var i = 0; i < size; i++) {
+ // LazyUint8Array from sync binary XHR
+ buffer[offset + i] = contents.get(position + i);
+ }
+ }
+ return size;
+ }
+ // use a custom read function
+ stream_ops.read = (stream, buffer, offset, length, position) => {
+ FS.forceLoadFile(node);
+ return writeChunks(stream, buffer, offset, length, position);
+ };
+ // use a custom mmap function
+ stream_ops.mmap = (stream, length, position, prot, flags) => {
+ FS.forceLoadFile(node);
+ var ptr = mmapAlloc(length);
+ if (!ptr) {
+ throw new FS.ErrnoError(48);
+ }
+ writeChunks(stream, HEAP8, ptr, length, position);
+ return {
+ ptr,
+ allocated: true
+ };
+ };
+ node.stream_ops = stream_ops;
+ return node;
+ }
+};
+
+/**
+ * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
+ * emscripten HEAP, returns a copy of that string as a Javascript String object.
+ *
+ * @param {number} ptr
+ * @param {number=} maxBytesToRead - An optional length that specifies the
+ * maximum number of bytes to read. You can omit this parameter to scan the
+ * string until the first 0 byte. If maxBytesToRead is passed, and the string
+ * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
+ * string will cut short at that byte index.
+ * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
+ * @return {string}
+ */ var UTF8ToString = (ptr, maxBytesToRead, ignoreNul) => {
+ if (!ptr) return "";
+ var end = findStringEnd(HEAPU8, ptr, maxBytesToRead, ignoreNul);
+ return UTF8Decoder.decode(HEAPU8.subarray(ptr, end));
+};
+
+var SYSCALLS = {
+ calculateAt(dirfd, path, allowEmpty) {
+ if (PATH.isAbs(path)) {
+ return path;
+ }
+ // relative path
+ var dir;
+ if (dirfd === -100) {
+ dir = FS.cwd();
+ } else {
+ var dirstream = SYSCALLS.getStreamFromFD(dirfd);
+ dir = dirstream.path;
+ }
+ if (path.length == 0) {
+ if (!allowEmpty) {
+ throw new FS.ErrnoError(44);
+ }
+ return dir;
+ }
+ return dir + "/" + path;
+ },
+ writeStat(buf, stat) {
+ HEAPU32[((buf) >> 2)] = stat.dev;
+ HEAPU32[(((buf) + (4)) >> 2)] = stat.mode;
+ HEAPU32[(((buf) + (8)) >> 2)] = stat.nlink;
+ HEAPU32[(((buf) + (12)) >> 2)] = stat.uid;
+ HEAPU32[(((buf) + (16)) >> 2)] = stat.gid;
+ HEAPU32[(((buf) + (20)) >> 2)] = stat.rdev;
+ (tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]);
+ HEAP32[(((buf) + (32)) >> 2)] = 4096;
+ HEAP32[(((buf) + (36)) >> 2)] = stat.blocks;
+ var atime = stat.atime.getTime();
+ var mtime = stat.mtime.getTime();
+ var ctime = stat.ctime.getTime();
+ (tempI64 = [ Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3),
+ (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (48)) >> 2)] = (atime % 1e3) * 1e3 * 1e3;
+ (tempI64 = [ Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3),
+ (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (56)) >> 2)] = tempI64[0], HEAP32[(((buf) + (60)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (64)) >> 2)] = (mtime % 1e3) * 1e3 * 1e3;
+ (tempI64 = [ Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3),
+ (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (72)) >> 2)] = tempI64[0], HEAP32[(((buf) + (76)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (80)) >> 2)] = (ctime % 1e3) * 1e3 * 1e3;
+ (tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (88)) >> 2)] = tempI64[0], HEAP32[(((buf) + (92)) >> 2)] = tempI64[1]);
+ return 0;
+ },
+ writeStatFs(buf, stats) {
+ HEAPU32[(((buf) + (4)) >> 2)] = stats.bsize;
+ HEAPU32[(((buf) + (60)) >> 2)] = stats.bsize;
+ (tempI64 = [ stats.blocks >>> 0, (tempDouble = stats.blocks, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (8)) >> 2)] = tempI64[0], HEAP32[(((buf) + (12)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.bfree >>> 0, (tempDouble = stats.bfree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (16)) >> 2)] = tempI64[0], HEAP32[(((buf) + (20)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.bavail >>> 0, (tempDouble = stats.bavail, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.files >>> 0, (tempDouble = stats.files, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (32)) >> 2)] = tempI64[0], HEAP32[(((buf) + (36)) >> 2)] = tempI64[1]);
+ (tempI64 = [ stats.ffree >>> 0, (tempDouble = stats.ffree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]);
+ HEAPU32[(((buf) + (48)) >> 2)] = stats.fsid;
+ HEAPU32[(((buf) + (64)) >> 2)] = stats.flags;
+ // ST_NOSUID
+ HEAPU32[(((buf) + (56)) >> 2)] = stats.namelen;
+ },
+ doMsync(addr, stream, len, flags, offset) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(43);
+ }
+ if (flags & 2) {
+ // MAP_PRIVATE calls need not to be synced back to underlying fs
+ return 0;
+ }
+ var buffer = HEAPU8.slice(addr, addr + len);
+ FS.msync(stream, buffer, offset, len, flags);
+ },
+ getStreamFromFD(fd) {
+ var stream = FS.getStreamChecked(fd);
+ return stream;
+ },
+ varargs: undefined,
+ getStr(ptr) {
+ var ret = UTF8ToString(ptr);
+ return ret;
+ }
+};
+
+function ___syscall_dup(fd) {
+ try {
+ var old = SYSCALLS.getStreamFromFD(fd);
+ return FS.dupStream(old).fd;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_faccessat(dirfd, path, amode, flags) {
+ try {
+ path = SYSCALLS.getStr(path);
+ path = SYSCALLS.calculateAt(dirfd, path);
+ if (amode & ~7) {
+ // need a valid mode
+ return -28;
+ }
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ if (!node) {
+ return -44;
+ }
+ var perms = "";
+ if (amode & 4) perms += "r";
+ if (amode & 2) perms += "w";
+ if (amode & 1) perms += "x";
+ if (perms && FS.nodePermissions(node, perms)) {
+ return -2;
+ }
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var syscallGetVarargI = () => {
+ // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
+ var ret = HEAP32[((+SYSCALLS.varargs) >> 2)];
+ SYSCALLS.varargs += 4;
+ return ret;
+};
+
+var syscallGetVarargP = syscallGetVarargI;
+
+function ___syscall_fcntl64(fd, cmd, varargs) {
+ SYSCALLS.varargs = varargs;
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ switch (cmd) {
+ case 0:
+ {
+ var arg = syscallGetVarargI();
+ if (arg < 0) {
+ return -28;
+ }
+ while (FS.streams[arg]) {
+ arg++;
+ }
+ var newStream;
+ newStream = FS.dupStream(stream, arg);
+ return newStream.fd;
+ }
+
+ case 1:
+ case 2:
+ return 0;
+
+ // FD_CLOEXEC makes no sense for a single process.
+ case 3:
+ return stream.flags;
+
+ case 4:
+ {
+ var arg = syscallGetVarargI();
+ stream.flags |= arg;
+ return 0;
+ }
+
+ case 12:
+ {
+ var arg = syscallGetVarargP();
+ var offset = 0;
+ // We're always unlocked.
+ HEAP16[(((arg) + (offset)) >> 1)] = 2;
+ return 0;
+ }
+
+ case 13:
+ case 14:
+ // Pretend that the locking is successful. These are process-level locks,
+ // and Emscripten programs are a single process. If we supported linking a
+ // filesystem between programs, we'd need to do more here.
+ // See https://github.com/emscripten-core/emscripten/issues/23697
+ return 0;
+ }
+ return -28;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_fstat64(fd, buf) {
+ try {
+ return SYSCALLS.writeStat(buf, FS.fstat(fd));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var convertI32PairToI53Checked = (lo, hi) => ((hi + 2097152) >>> 0 < 4194305 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
+
+function ___syscall_ftruncate64(fd, length_low, length_high) {
+ var length = convertI32PairToI53Checked(length_low, length_high);
+ try {
+ if (isNaN(length)) return -61;
+ FS.ftruncate(fd, length);
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_ioctl(fd, op, varargs) {
+ SYSCALLS.varargs = varargs;
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ switch (op) {
+ case 21509:
+ {
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ case 21505:
+ {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tcgets) {
+ var termios = stream.tty.ops.ioctl_tcgets(stream);
+ var argp = syscallGetVarargP();
+ HEAP32[((argp) >> 2)] = termios.c_iflag || 0;
+ HEAP32[(((argp) + (4)) >> 2)] = termios.c_oflag || 0;
+ HEAP32[(((argp) + (8)) >> 2)] = termios.c_cflag || 0;
+ HEAP32[(((argp) + (12)) >> 2)] = termios.c_lflag || 0;
+ for (var i = 0; i < 32; i++) {
+ HEAP8[(argp + i) + (17)] = termios.c_cc[i] || 0;
+ }
+ return 0;
+ }
+ return 0;
+ }
+
+ case 21510:
+ case 21511:
+ case 21512:
+ {
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ case 21506:
+ case 21507:
+ case 21508:
+ {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tcsets) {
+ var argp = syscallGetVarargP();
+ var c_iflag = HEAP32[((argp) >> 2)];
+ var c_oflag = HEAP32[(((argp) + (4)) >> 2)];
+ var c_cflag = HEAP32[(((argp) + (8)) >> 2)];
+ var c_lflag = HEAP32[(((argp) + (12)) >> 2)];
+ var c_cc = [];
+ for (var i = 0; i < 32; i++) {
+ c_cc.push(HEAP8[(argp + i) + (17)]);
+ }
+ return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
+ c_iflag,
+ c_oflag,
+ c_cflag,
+ c_lflag,
+ c_cc
+ });
+ }
+ return 0;
+ }
+
+ case 21519:
+ {
+ if (!stream.tty) return -59;
+ var argp = syscallGetVarargP();
+ HEAP32[((argp) >> 2)] = 0;
+ return 0;
+ }
+
+ case 21520:
+ {
+ if (!stream.tty) return -59;
+ return -28;
+ }
+
+ case 21537:
+ case 21531:
+ {
+ var argp = syscallGetVarargP();
+ return FS.ioctl(stream, op, argp);
+ }
+
+ case 21523:
+ {
+ // TODO: in theory we should write to the winsize struct that gets
+ // passed in, but for now musl doesn't read anything on it
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tiocgwinsz) {
+ var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
+ var argp = syscallGetVarargP();
+ HEAP16[((argp) >> 1)] = winsize[0];
+ HEAP16[(((argp) + (2)) >> 1)] = winsize[1];
+ }
+ return 0;
+ }
+
+ case 21524:
+ {
+ // TODO: technically, this ioctl call should change the window size.
+ // but, since emscripten doesn't have any concept of a terminal window
+ // yet, we'll just silently throw it away as we do TIOCGWINSZ
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ case 21515:
+ {
+ if (!stream.tty) return -59;
+ return 0;
+ }
+
+ default:
+ return -28;
+ }
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_lstat64(path, buf) {
+ try {
+ path = SYSCALLS.getStr(path);
+ return SYSCALLS.writeStat(buf, FS.lstat(path));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_newfstatat(dirfd, path, buf, flags) {
+ try {
+ path = SYSCALLS.getStr(path);
+ var nofollow = flags & 256;
+ var allowEmpty = flags & 4096;
+ flags = flags & (~6400);
+ path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
+ return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_openat(dirfd, path, flags, varargs) {
+ SYSCALLS.varargs = varargs;
+ try {
+ path = SYSCALLS.getStr(path);
+ path = SYSCALLS.calculateAt(dirfd, path);
+ var mode = varargs ? syscallGetVarargI() : 0;
+ return FS.open(path, flags, mode).fd;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function ___syscall_stat64(path, buf) {
+ try {
+ path = SYSCALLS.getStr(path);
+ return SYSCALLS.writeStat(buf, FS.stat(path));
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var __abort_js = () => abort("");
+
+var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {};
+
+var AsciiToString = ptr => {
+ var str = "";
+ while (1) {
+ var ch = HEAPU8[ptr++];
+ if (!ch) return str;
+ str += String.fromCharCode(ch);
+ }
+};
+
+var awaitingDependencies = {};
+
+var registeredTypes = {};
+
+var typeDependencies = {};
+
+var BindingError = class BindingError extends Error {
+ constructor(message) {
+ super(message);
+ this.name = "BindingError";
+ }
+};
+
+var throwBindingError = message => {
+ throw new BindingError(message);
+};
+
+/** @param {Object=} options */ function sharedRegisterType(rawType, registeredInstance, options = {}) {
+ var name = registeredInstance.name;
+ if (!rawType) {
+ throwBindingError(`type "${name}" must have a positive integer typeid pointer`);
+ }
+ if (registeredTypes.hasOwnProperty(rawType)) {
+ if (options.ignoreDuplicateRegistrations) {
+ return;
+ } else {
+ throwBindingError(`Cannot register type '${name}' twice`);
+ }
+ }
+ registeredTypes[rawType] = registeredInstance;
+ delete typeDependencies[rawType];
+ if (awaitingDependencies.hasOwnProperty(rawType)) {
+ var callbacks = awaitingDependencies[rawType];
+ delete awaitingDependencies[rawType];
+ callbacks.forEach(cb => cb());
+ }
+}
+
+/** @param {Object=} options */ function registerType(rawType, registeredInstance, options = {}) {
+ return sharedRegisterType(rawType, registeredInstance, options);
+}
+
+/** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
+ name = AsciiToString(name);
+ registerType(rawType, {
+ name,
+ fromWireType: function(wt) {
+ // ambiguous emscripten ABI: sometimes return values are
+ // true or false, and sometimes integers (0 or 1)
+ return !!wt;
+ },
+ toWireType: function(destructors, o) {
+ return o ? trueValue : falseValue;
+ },
+ readValueFromPointer: function(pointer) {
+ return this.fromWireType(HEAPU8[pointer]);
+ },
+ destructorFunction: null
+ });
+};
+
+var emval_freelist = [];
+
+var emval_handles = [ 0, 1, , 1, null, 1, true, 1, false, 1 ];
+
+var __emval_decref = handle => {
+ if (handle > 9 && 0 === --emval_handles[handle + 1]) {
+ var value = emval_handles[handle];
+ emval_handles[handle] = undefined;
+ emval_freelist.push(handle);
+ }
+};
+
+var Emval = {
+ toValue: handle => {
+ if (!handle) {
+ throwBindingError(`Cannot use deleted val. handle = ${handle}`);
+ }
+ return emval_handles[handle];
+ },
+ toHandle: value => {
+ switch (value) {
+ case undefined:
+ return 2;
+
+ case null:
+ return 4;
+
+ case true:
+ return 6;
+
+ case false:
+ return 8;
+
+ default:
+ {
+ const handle = emval_freelist.pop() || emval_handles.length;
+ emval_handles[handle] = value;
+ emval_handles[handle + 1] = 1;
+ return handle;
+ }
+ }
+ }
+};
+
+/** @suppress {globalThis} */ function readPointer(pointer) {
+ return this.fromWireType(HEAPU32[((pointer) >> 2)]);
+}
+
+var EmValType = {
+ name: "emscripten::val",
+ fromWireType: handle => {
+ var rv = Emval.toValue(handle);
+ __emval_decref(handle);
+ return rv;
+ },
+ toWireType: (destructors, value) => Emval.toHandle(value),
+ readValueFromPointer: readPointer,
+ destructorFunction: null
+};
+
+var __embind_register_emval = rawType => registerType(rawType, EmValType);
+
+var floatReadValueFromPointer = (name, width) => {
+ switch (width) {
+ case 4:
+ return function(pointer) {
+ return this.fromWireType(HEAPF32[((pointer) >> 2)]);
+ };
+
+ case 8:
+ return function(pointer) {
+ return this.fromWireType(HEAPF64[((pointer) >> 3)]);
+ };
+
+ default:
+ throw new TypeError(`invalid float width (${width}): ${name}`);
+ }
+};
+
+var __embind_register_float = (rawType, name, size) => {
+ name = AsciiToString(name);
+ registerType(rawType, {
+ name,
+ fromWireType: value => value,
+ toWireType: (destructors, value) => value,
+ readValueFromPointer: floatReadValueFromPointer(name, size),
+ destructorFunction: null
+ });
+};
+
+var integerReadValueFromPointer = (name, width, signed) => {
+ // integers are quite common, so generate very specialized functions
+ switch (width) {
+ case 1:
+ return signed ? pointer => HEAP8[pointer] : pointer => HEAPU8[pointer];
+
+ case 2:
+ return signed ? pointer => HEAP16[((pointer) >> 1)] : pointer => HEAPU16[((pointer) >> 1)];
+
+ case 4:
+ return signed ? pointer => HEAP32[((pointer) >> 2)] : pointer => HEAPU32[((pointer) >> 2)];
+
+ default:
+ throw new TypeError(`invalid integer width (${width}): ${name}`);
+ }
+};
+
+/** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
+ name = AsciiToString(name);
+ const isUnsignedType = minRange === 0;
+ let fromWireType = value => value;
+ if (isUnsignedType) {
+ var bitshift = 32 - 8 * size;
+ fromWireType = value => (value << bitshift) >>> bitshift;
+ maxRange = fromWireType(maxRange);
+ }
+ registerType(primitiveType, {
+ name,
+ fromWireType,
+ toWireType: (destructors, value) => value,
+ readValueFromPointer: integerReadValueFromPointer(name, size, minRange !== 0),
+ destructorFunction: null
+ });
+};
+
+var __embind_register_memory_view = (rawType, dataTypeIndex, name) => {
+ var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array ];
+ var TA = typeMapping[dataTypeIndex];
+ function decodeMemoryView(handle) {
+ var size = HEAPU32[((handle) >> 2)];
+ var data = HEAPU32[(((handle) + (4)) >> 2)];
+ return new TA(HEAP8.buffer, data, size);
+ }
+ name = AsciiToString(name);
+ registerType(rawType, {
+ name,
+ fromWireType: decodeMemoryView,
+ readValueFromPointer: decodeMemoryView
+ }, {
+ ignoreDuplicateRegistrations: true
+ });
+};
+
+var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
+
+var __embind_register_std_string = (rawType, name) => {
+ name = AsciiToString(name);
+ var stdStringIsUTF8 = true;
+ registerType(rawType, {
+ name,
+ // For some method names we use string keys here since they are part of
+ // the public/external API and/or used by the runtime-generated code.
+ fromWireType(value) {
+ var length = HEAPU32[((value) >> 2)];
+ var payload = value + 4;
+ var str;
+ if (stdStringIsUTF8) {
+ str = UTF8ToString(payload, length, true);
+ } else {
+ str = "";
+ for (var i = 0; i < length; ++i) {
+ str += String.fromCharCode(HEAPU8[payload + i]);
+ }
+ }
+ _free(value);
+ return str;
+ },
+ toWireType(destructors, value) {
+ if (value instanceof ArrayBuffer) {
+ value = new Uint8Array(value);
+ }
+ var length;
+ var valueIsOfTypeString = (typeof value == "string");
+ // We accept `string` or array views with single byte elements
+ if (!(valueIsOfTypeString || (ArrayBuffer.isView(value) && value.BYTES_PER_ELEMENT == 1))) {
+ throwBindingError("Cannot pass non-string to std::string");
+ }
+ if (stdStringIsUTF8 && valueIsOfTypeString) {
+ length = lengthBytesUTF8(value);
+ } else {
+ length = value.length;
+ }
+ // assumes POINTER_SIZE alignment
+ var base = _malloc(4 + length + 1);
+ var ptr = base + 4;
+ HEAPU32[((base) >> 2)] = length;
+ if (valueIsOfTypeString) {
+ if (stdStringIsUTF8) {
+ stringToUTF8(value, ptr, length + 1);
+ } else {
+ for (var i = 0; i < length; ++i) {
+ var charCode = value.charCodeAt(i);
+ if (charCode > 255) {
+ _free(base);
+ throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
+ }
+ HEAPU8[ptr + i] = charCode;
+ }
+ }
+ } else {
+ HEAPU8.set(value, ptr);
+ }
+ if (destructors !== null) {
+ destructors.push(_free, base);
+ }
+ return base;
+ },
+ readValueFromPointer: readPointer,
+ destructorFunction(ptr) {
+ _free(ptr);
+ }
+ });
+};
+
+var UTF16Decoder = new TextDecoder("utf-16le");
+
+var UTF16ToString = (ptr, maxBytesToRead, ignoreNul) => {
+ var idx = ((ptr) >> 1);
+ var endIdx = findStringEnd(HEAPU16, idx, maxBytesToRead / 2, ignoreNul);
+ return UTF16Decoder.decode(HEAPU16.subarray(idx, endIdx));
+};
+
+var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
+ // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
+ maxBytesToWrite ??= 2147483647;
+ if (maxBytesToWrite < 2) return 0;
+ maxBytesToWrite -= 2;
+ // Null terminator.
+ var startPtr = outPtr;
+ var numCharsToWrite = (maxBytesToWrite < str.length * 2) ? (maxBytesToWrite / 2) : str.length;
+ for (var i = 0; i < numCharsToWrite; ++i) {
+ // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
+ var codeUnit = str.charCodeAt(i);
+ // possibly a lead surrogate
+ HEAP16[((outPtr) >> 1)] = codeUnit;
+ outPtr += 2;
+ }
+ // Null-terminate the pointer to the HEAP.
+ HEAP16[((outPtr) >> 1)] = 0;
+ return outPtr - startPtr;
+};
+
+var lengthBytesUTF16 = str => str.length * 2;
+
+var UTF32ToString = (ptr, maxBytesToRead, ignoreNul) => {
+ var str = "";
+ var startIdx = ((ptr) >> 2);
+ // If maxBytesToRead is not passed explicitly, it will be undefined, and this
+ // will always evaluate to true. This saves on code size.
+ for (var i = 0; !(i >= maxBytesToRead / 4); i++) {
+ var utf32 = HEAPU32[startIdx + i];
+ if (!utf32 && !ignoreNul) break;
+ str += String.fromCodePoint(utf32);
+ }
+ return str;
+};
+
+var stringToUTF32 = (str, outPtr, maxBytesToWrite) => {
+ // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
+ maxBytesToWrite ??= 2147483647;
+ if (maxBytesToWrite < 4) return 0;
+ var startPtr = outPtr;
+ var endPtr = startPtr + maxBytesToWrite - 4;
+ for (var i = 0; i < str.length; ++i) {
+ var codePoint = str.codePointAt(i);
+ // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
+ // We need to manually skip over the second code unit for correct iteration.
+ if (codePoint > 65535) {
+ i++;
+ }
+ HEAP32[((outPtr) >> 2)] = codePoint;
+ outPtr += 4;
+ if (outPtr + 4 > endPtr) break;
+ }
+ // Null-terminate the pointer to the HEAP.
+ HEAP32[((outPtr) >> 2)] = 0;
+ return outPtr - startPtr;
+};
+
+var lengthBytesUTF32 = str => {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+ var codePoint = str.codePointAt(i);
+ // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
+ // We need to manually skip over the second code unit for correct iteration.
+ if (codePoint > 65535) {
+ i++;
+ }
+ len += 4;
+ }
+ return len;
+};
+
+var __embind_register_std_wstring = (rawType, charSize, name) => {
+ name = AsciiToString(name);
+ var decodeString, encodeString, lengthBytesUTF;
+ if (charSize === 2) {
+ decodeString = UTF16ToString;
+ encodeString = stringToUTF16;
+ lengthBytesUTF = lengthBytesUTF16;
+ } else {
+ decodeString = UTF32ToString;
+ encodeString = stringToUTF32;
+ lengthBytesUTF = lengthBytesUTF32;
+ }
+ registerType(rawType, {
+ name,
+ fromWireType: value => {
+ // Code mostly taken from _embind_register_std_string fromWireType
+ var length = HEAPU32[((value) >> 2)];
+ var str = decodeString(value + 4, length * charSize, true);
+ _free(value);
+ return str;
+ },
+ toWireType: (destructors, value) => {
+ if (!(typeof value == "string")) {
+ throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
+ }
+ // assumes POINTER_SIZE alignment
+ var length = lengthBytesUTF(value);
+ var ptr = _malloc(4 + length + charSize);
+ HEAPU32[((ptr) >> 2)] = length / charSize;
+ encodeString(value, ptr + 4, length + charSize);
+ if (destructors !== null) {
+ destructors.push(_free, ptr);
+ }
+ return ptr;
+ },
+ readValueFromPointer: readPointer,
+ destructorFunction(ptr) {
+ _free(ptr);
+ }
+ });
+};
+
+var __embind_register_void = (rawType, name) => {
+ name = AsciiToString(name);
+ registerType(rawType, {
+ isVoid: true,
+ // void return values can be optimized out sometimes
+ name,
+ fromWireType: () => undefined,
+ // TODO: assert if anything else is given?
+ toWireType: (destructors, o) => undefined
+ });
+};
+
+var emval_methodCallers = [];
+
+var emval_addMethodCaller = caller => {
+ var id = emval_methodCallers.length;
+ emval_methodCallers.push(caller);
+ return id;
+};
+
+var getTypeName = type => {
+ var ptr = ___getTypeName(type);
+ var rv = AsciiToString(ptr);
+ _free(ptr);
+ return rv;
+};
+
+var requireRegisteredType = (rawType, humanName) => {
+ var impl = registeredTypes[rawType];
+ if (undefined === impl) {
+ throwBindingError(`${humanName} has unknown type ${getTypeName(rawType)}`);
+ }
+ return impl;
+};
+
+var emval_lookupTypes = (argCount, argTypes) => {
+ var a = new Array(argCount);
+ for (var i = 0; i < argCount; ++i) {
+ a[i] = requireRegisteredType(HEAPU32[(((argTypes) + (i * 4)) >> 2)], `parameter ${i}`);
+ }
+ return a;
+};
+
+var createNamedFunction = (name, func) => Object.defineProperty(func, "name", {
+ value: name
+});
+
+var emval_returnValue = (toReturnWire, destructorsRef, handle) => {
+ var destructors = [];
+ var result = toReturnWire(destructors, handle);
+ if (destructors.length) {
+ // void, primitives and any other types w/o destructors don't need to allocate a handle
+ HEAPU32[((destructorsRef) >> 2)] = Emval.toHandle(destructors);
+ }
+ return result;
+};
+
+var emval_symbols = {};
+
+var getStringOrSymbol = address => {
+ var symbol = emval_symbols[address];
+ if (symbol === undefined) {
+ return AsciiToString(address);
+ }
+ return symbol;
+};
+
+var __emval_create_invoker = (argCount, argTypesPtr, kind) => {
+ var GenericWireTypeSize = 8;
+ var [retType, ...argTypes] = emval_lookupTypes(argCount, argTypesPtr);
+ var toReturnWire = retType.toWireType.bind(retType);
+ var argFromPtr = argTypes.map(type => type.readValueFromPointer.bind(type));
+ argCount--;
+ // remove the extracted return type
+ var argN = new Array(argCount);
+ var invokerFunction = (handle, methodName, destructorsRef, args) => {
+ var offset = 0;
+ for (var i = 0; i < argCount; ++i) {
+ argN[i] = argFromPtr[i](args + offset);
+ offset += GenericWireTypeSize;
+ }
+ var rv;
+ switch (kind) {
+ case 0:
+ rv = Emval.toValue(handle).apply(null, argN);
+ break;
+
+ case 2:
+ rv = Reflect.construct(Emval.toValue(handle), argN);
+ break;
+
+ case 3:
+ // no-op, just return the argument
+ rv = argN[0];
+ break;
+
+ case 1:
+ rv = Emval.toValue(handle)[getStringOrSymbol(methodName)](...argN);
+ break;
+ }
+ return emval_returnValue(toReturnWire, destructorsRef, rv);
+ };
+ var functionName = `methodCaller<(${argTypes.map(t => t.name)}) => ${retType.name}>`;
+ return emval_addMethodCaller(createNamedFunction(functionName, invokerFunction));
+};
+
+var __emval_get_global = name => {
+ if (!name) {
+ return Emval.toHandle(globalThis);
+ }
+ name = getStringOrSymbol(name);
+ return Emval.toHandle(globalThis[name]);
+};
+
+var __emval_get_property = (handle, key) => {
+ handle = Emval.toValue(handle);
+ key = Emval.toValue(key);
+ return Emval.toHandle(handle[key]);
+};
+
+var __emval_incref = handle => {
+ if (handle > 9) {
+ emval_handles[handle + 1] += 1;
+ }
+};
+
+var __emval_instanceof = (object, constructor) => {
+ object = Emval.toValue(object);
+ constructor = Emval.toValue(constructor);
+ return object instanceof constructor;
+};
+
+var __emval_invoke = (caller, handle, methodName, destructorsRef, args) => emval_methodCallers[caller](handle, methodName, destructorsRef, args);
+
+var __emval_new_cstring = v => Emval.toHandle(getStringOrSymbol(v));
+
+var runDestructors = destructors => {
+ while (destructors.length) {
+ var ptr = destructors.pop();
+ var del = destructors.pop();
+ del(ptr);
+ }
+};
+
+var __emval_run_destructors = handle => {
+ var destructors = Emval.toValue(handle);
+ runDestructors(destructors);
+ __emval_decref(handle);
+};
+
+var __emval_set_property = (handle, key, value) => {
+ handle = Emval.toValue(handle);
+ key = Emval.toValue(key);
+ value = Emval.toValue(value);
+ handle[key] = value;
+};
+
+var __emval_typeof = handle => {
+ handle = Emval.toValue(handle);
+ return Emval.toHandle(typeof handle);
+};
+
+function __gmtime_js(time_low, time_high, tmPtr) {
+ var time = convertI32PairToI53Checked(time_low, time_high);
+ var date = new Date(time * 1e3);
+ HEAP32[((tmPtr) >> 2)] = date.getUTCSeconds();
+ HEAP32[(((tmPtr) + (4)) >> 2)] = date.getUTCMinutes();
+ HEAP32[(((tmPtr) + (8)) >> 2)] = date.getUTCHours();
+ HEAP32[(((tmPtr) + (12)) >> 2)] = date.getUTCDate();
+ HEAP32[(((tmPtr) + (16)) >> 2)] = date.getUTCMonth();
+ HEAP32[(((tmPtr) + (20)) >> 2)] = date.getUTCFullYear() - 1900;
+ HEAP32[(((tmPtr) + (24)) >> 2)] = date.getUTCDay();
+ var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
+ var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
+ HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
+}
+
+var isLeapYear = year => year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+
+var MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ];
+
+var MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ];
+
+var ydayFromDate = date => {
+ var leap = isLeapYear(date.getFullYear());
+ var monthDaysCumulative = (leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE);
+ var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
+ // -1 since it's days since Jan 1
+ return yday;
+};
+
+function __localtime_js(time_low, time_high, tmPtr) {
+ var time = convertI32PairToI53Checked(time_low, time_high);
+ var date = new Date(time * 1e3);
+ HEAP32[((tmPtr) >> 2)] = date.getSeconds();
+ HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
+ HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours();
+ HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate();
+ HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth();
+ HEAP32[(((tmPtr) + (20)) >> 2)] = date.getFullYear() - 1900;
+ HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay();
+ var yday = ydayFromDate(date) | 0;
+ HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
+ HEAP32[(((tmPtr) + (36)) >> 2)] = -(date.getTimezoneOffset() * 60);
+ // Attention: DST is in December in South, and some regions don't have DST at all.
+ var start = new Date(date.getFullYear(), 0, 1);
+ var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
+ var winterOffset = start.getTimezoneOffset();
+ var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
+ HEAP32[(((tmPtr) + (32)) >> 2)] = dst;
+}
+
+var setTempRet0 = val => __emscripten_tempret_set(val);
+
+var __mktime_js = function(tmPtr) {
+ var ret = (() => {
+ var date = new Date(HEAP32[(((tmPtr) + (20)) >> 2)] + 1900, HEAP32[(((tmPtr) + (16)) >> 2)], HEAP32[(((tmPtr) + (12)) >> 2)], HEAP32[(((tmPtr) + (8)) >> 2)], HEAP32[(((tmPtr) + (4)) >> 2)], HEAP32[((tmPtr) >> 2)], 0);
+ // There's an ambiguous hour when the time goes back; the tm_isdst field is
+ // used to disambiguate it. Date() basically guesses, so we fix it up if it
+ // guessed wrong, or fill in tm_isdst with the guess if it's -1.
+ var dst = HEAP32[(((tmPtr) + (32)) >> 2)];
+ var guessedOffset = date.getTimezoneOffset();
+ var start = new Date(date.getFullYear(), 0, 1);
+ var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
+ var winterOffset = start.getTimezoneOffset();
+ var dstOffset = Math.min(winterOffset, summerOffset);
+ // DST is in December in South
+ if (dst < 0) {
+ // Attention: some regions don't have DST at all.
+ HEAP32[(((tmPtr) + (32)) >> 2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
+ } else if ((dst > 0) != (dstOffset == guessedOffset)) {
+ var nonDstOffset = Math.max(winterOffset, summerOffset);
+ var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
+ // Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
+ date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
+ }
+ HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay();
+ var yday = ydayFromDate(date) | 0;
+ HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
+ // To match expected behavior, update fields from date
+ HEAP32[((tmPtr) >> 2)] = date.getSeconds();
+ HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
+ HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours();
+ HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate();
+ HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth();
+ HEAP32[(((tmPtr) + (20)) >> 2)] = date.getYear();
+ var timeMs = date.getTime();
+ if (isNaN(timeMs)) {
+ return -1;
+ }
+ // Return time in microseconds
+ return timeMs / 1e3;
+ })();
+ return (setTempRet0((tempDouble = ret, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0)),
+ ret >>> 0);
+};
+
+function __mmap_js(len, prot, flags, fd, offset_low, offset_high, allocated, addr) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var res = FS.mmap(stream, len, offset, prot, flags);
+ var ptr = res.ptr;
+ HEAP32[((allocated) >> 2)] = res.allocated;
+ HEAPU32[((addr) >> 2)] = ptr;
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+function __munmap_js(addr, len, prot, flags, fd, offset_low, offset_high) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ if (prot & 2) {
+ SYSCALLS.doMsync(addr, stream, len, flags, offset);
+ }
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return -e.errno;
+ }
+}
+
+var __tzset_js = (timezone, daylight, std_name, dst_name) => {
+ // TODO: Use (malleable) environment variables instead of system settings.
+ var currentYear = (new Date).getFullYear();
+ var winter = new Date(currentYear, 0, 1);
+ var summer = new Date(currentYear, 6, 1);
+ var winterOffset = winter.getTimezoneOffset();
+ var summerOffset = summer.getTimezoneOffset();
+ // Local standard timezone offset. Local standard time is not adjusted for
+ // daylight savings. This code uses the fact that getTimezoneOffset returns
+ // a greater value during Standard Time versus Daylight Saving Time (DST).
+ // Thus it determines the expected output during Standard Time, and it
+ // compares whether the output of the given date the same (Standard) or less
+ // (DST).
+ var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
+ // timezone is specified as seconds west of UTC ("The external variable
+ // `timezone` shall be set to the difference, in seconds, between
+ // Coordinated Universal Time (UTC) and local standard time."), the same
+ // as returned by stdTimezoneOffset.
+ // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
+ HEAPU32[((timezone) >> 2)] = stdTimezoneOffset * 60;
+ HEAP32[((daylight) >> 2)] = Number(winterOffset != summerOffset);
+ var extractZone = timezoneOffset => {
+ // Why inverse sign?
+ // Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset
+ var sign = timezoneOffset >= 0 ? "-" : "+";
+ var absOffset = Math.abs(timezoneOffset);
+ var hours = String(Math.floor(absOffset / 60)).padStart(2, "0");
+ var minutes = String(absOffset % 60).padStart(2, "0");
+ return `UTC${sign}${hours}${minutes}`;
+ };
+ var winterName = extractZone(winterOffset);
+ var summerName = extractZone(summerOffset);
+ if (summerOffset < winterOffset) {
+ // Northern hemisphere
+ stringToUTF8(winterName, std_name, 17);
+ stringToUTF8(summerName, dst_name, 17);
+ } else {
+ stringToUTF8(winterName, dst_name, 17);
+ stringToUTF8(summerName, std_name, 17);
+ }
+};
+
+var _emscripten_get_now = () => performance.now();
+
+var _emscripten_date_now = () => Date.now();
+
+var nowIsMonotonic = 1;
+
+var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3;
+
+function _clock_time_get(clk_id, ignored_precision_low, ignored_precision_high, ptime) {
+ var ignored_precision = convertI32PairToI53Checked(ignored_precision_low, ignored_precision_high);
+ if (!checkWasiClock(clk_id)) {
+ return 28;
+ }
+ var now;
+ // all wasi clocks but realtime are monotonic
+ if (clk_id === 0) {
+ now = _emscripten_date_now();
+ } else if (nowIsMonotonic) {
+ now = _emscripten_get_now();
+ } else {
+ return 52;
+ }
+ // "now" is in ms, and wasi times are in ns.
+ var nsec = Math.round(now * 1e3 * 1e3);
+ (tempI64 = [ nsec >>> 0, (tempDouble = nsec, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[((ptime) >> 2)] = tempI64[0], HEAP32[(((ptime) + (4)) >> 2)] = tempI64[1]);
+ return 0;
+}
+
+var readEmAsmArgsArray = [];
+
+var readEmAsmArgs = (sigPtr, buf) => {
+ readEmAsmArgsArray.length = 0;
+ var ch;
+ // Most arguments are i32s, so shift the buffer pointer so it is a plain
+ // index into HEAP32.
+ while (ch = HEAPU8[sigPtr++]) {
+ // Floats are always passed as doubles, so all types except for 'i'
+ // are 8 bytes and require alignment.
+ var wide = (ch != 105);
+ wide &= (ch != 112);
+ buf += wide && (buf % 8) ? 4 : 0;
+ readEmAsmArgsArray.push(// Special case for pointers under wasm64 or CAN_ADDRESS_2GB mode.
+ ch == 112 ? HEAPU32[((buf) >> 2)] : ch == 105 ? HEAP32[((buf) >> 2)] : HEAPF64[((buf) >> 3)]);
+ buf += wide ? 8 : 4;
+ }
+ return readEmAsmArgsArray;
+};
+
+var runEmAsmFunction = (code, sigPtr, argbuf) => {
+ var args = readEmAsmArgs(sigPtr, argbuf);
+ return ASM_CONSTS[code](...args);
+};
+
+var _emscripten_asm_const_int = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
+
+var _emscripten_asm_const_ptr = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
+
+var _emscripten_errn = (str, len) => err(UTF8ToString(str, len));
+
+var getHeapMax = () => // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
+// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
+// for any code that deals with heap sizes, which would require special
+// casing all heap size related code to treat 0 specially.
+2147483648;
+
+var _emscripten_get_heap_max = () => getHeapMax();
+
+var _emscripten_has_asyncify = () => 0;
+
+var _emscripten_outn = (str, len) => out(UTF8ToString(str, len));
+
+var UNWIND_CACHE = {};
+
+var stringToNewUTF8 = str => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = _malloc(size);
+ if (ret) stringToUTF8(str, ret, size);
+ return ret;
+};
+
+/** @returns {number} */ var convertFrameToPC = frame => {
+ var match;
+ if (match = /\bwasm-function\[\d+\]:(0x[0-9a-f]+)/.exec(frame)) {
+ // Wasm engines give the binary offset directly, so we use that as return address
+ return +match[1];
+ } else if (match = /:(\d+):\d+(?:\)|$)/.exec(frame)) {
+ // If we are in js, we can use the js line number as the "return address".
+ // This should work for wasm2js. We tag the high bit to distinguish this
+ // from wasm addresses.
+ return 2147483648 | +match[1];
+ }
+ // return 0 if we can't find any
+ return 0;
+};
+
+var saveInUnwindCache = callstack => {
+ for (var line of callstack) {
+ var pc = convertFrameToPC(line);
+ if (pc) {
+ UNWIND_CACHE[pc] = line;
+ }
+ }
+};
+
+var jsStackTrace = () => (new Error).stack.toString();
+
+var _emscripten_stack_snapshot = () => {
+ var callstack = jsStackTrace().split("\n");
+ if (callstack[0] == "Error") {
+ callstack.shift();
+ }
+ saveInUnwindCache(callstack);
+ // Caches the stack snapshot so that emscripten_stack_unwind_buffer() can
+ // unwind from this spot.
+ UNWIND_CACHE.last_addr = convertFrameToPC(callstack[3]);
+ UNWIND_CACHE.last_stack = callstack;
+ return UNWIND_CACHE.last_addr;
+};
+
+var _emscripten_pc_get_function = pc => {
+ var frame = UNWIND_CACHE[pc];
+ if (!frame) return 0;
+ var name;
+ var match;
+ // First try to match foo.wasm.sym files explcitly. e.g.
+ // at test_return_address.wasm.main (wasm://wasm/test_return_address.wasm-0012cc2a:wasm-function[26]:0x9f3
+ // Then match JS symbols which don't include that module name:
+ // at invokeEntryPoint (.../test_return_address.js:1500:42)
+ // Finally match firefox format:
+ // Object._main@http://server.com:4324:12'
+ if (match = /^\s+at .*\.wasm\.(.*) \(.*\)$/.exec(frame)) {
+ name = match[1];
+ } else if (match = /^\s+at (.*) \(.*\)$/.exec(frame)) {
+ name = match[1];
+ } else if (match = /^(.+?)@/.exec(frame)) {
+ name = match[1];
+ } else {
+ return 0;
+ }
+ _free(_emscripten_pc_get_function.ret ?? 0);
+ _emscripten_pc_get_function.ret = stringToNewUTF8(name);
+ return _emscripten_pc_get_function.ret;
+};
+
+var growMemory = size => {
+ var oldHeapSize = wasmMemory.buffer.byteLength;
+ var pages = ((size - oldHeapSize + 65535) / 65536) | 0;
+ try {
+ // round size grow request up to wasm page size (fixed 64KB per spec)
+ wasmMemory.grow(pages);
+ // .grow() takes a delta compared to the previous size
+ updateMemoryViews();
+ return 1;
+ } catch (e) {}
+};
+
+var _emscripten_resize_heap = requestedSize => {
+ var oldSize = HEAPU8.length;
+ // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
+ requestedSize >>>= 0;
+ // With multithreaded builds, races can happen (another thread might increase the size
+ // in between), so return a failure, and let the caller retry.
+ // Memory resize rules:
+ // 1. Always increase heap size to at least the requested size, rounded up
+ // to next page multiple.
+ // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
+ // geometrically: increase the heap size according to
+ // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
+ // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
+ // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
+ // linearly: increase the heap size by at least
+ // MEMORY_GROWTH_LINEAR_STEP bytes.
+ // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
+ // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
+ // 4. If we were unable to allocate as much memory, it may be due to
+ // over-eager decision to excessively reserve due to (3) above.
+ // Hence if an allocation fails, cut down on the amount of excess
+ // growth, in an attempt to succeed to perform a smaller allocation.
+ // A limit is set for how much we can grow. We should not exceed that
+ // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
+ var maxHeapSize = getHeapMax();
+ if (requestedSize > maxHeapSize) {
+ return false;
+ }
+ // Loop through potential heap size increases. If we attempt a too eager
+ // reservation that fails, cut down on the attempted size and reserve a
+ // smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
+ for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
+ var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
+ // ensure geometric growth
+ // but limit overreserving (default to capping at +96MB overgrowth at most)
+ overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
+ var newSize = Math.min(maxHeapSize, alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536));
+ var replacement = growMemory(newSize);
+ if (replacement) {
+ return true;
+ }
+ }
+ return false;
+};
+
+var _emscripten_stack_unwind_buffer = (addr, buffer, count) => {
+ var stack;
+ if (UNWIND_CACHE.last_addr == addr) {
+ stack = UNWIND_CACHE.last_stack;
+ } else {
+ stack = jsStackTrace().split("\n");
+ if (stack[0] == "Error") {
+ stack.shift();
+ }
+ saveInUnwindCache(stack);
+ }
+ var offset = 3;
+ while (stack[offset] && convertFrameToPC(stack[offset]) != addr) {
+ ++offset;
+ }
+ for (var i = 0; i < count && stack[i + offset]; ++i) {
+ HEAP32[(((buffer) + (i * 4)) >> 2)] = convertFrameToPC(stack[i + offset]);
+ }
+ return i;
+};
+
+var GLctx;
+
+var webgl_enable_ANGLE_instanced_arrays = ctx => {
+ // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
+ var ext = ctx.getExtension("ANGLE_instanced_arrays");
+ // Because this extension is a core function in WebGL 2, assign the extension entry points in place of
+ // where the core functions will reside in WebGL 2. This way the calling code can call these without
+ // having to dynamically branch depending if running against WebGL 1 or WebGL 2.
+ if (ext) {
+ ctx["vertexAttribDivisor"] = (index, divisor) => ext["vertexAttribDivisorANGLE"](index, divisor);
+ ctx["drawArraysInstanced"] = (mode, first, count, primcount) => ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
+ ctx["drawElementsInstanced"] = (mode, count, type, indices, primcount) => ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
+ return 1;
+ }
+};
+
+var webgl_enable_OES_vertex_array_object = ctx => {
+ // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
+ var ext = ctx.getExtension("OES_vertex_array_object");
+ if (ext) {
+ ctx["createVertexArray"] = () => ext["createVertexArrayOES"]();
+ ctx["deleteVertexArray"] = vao => ext["deleteVertexArrayOES"](vao);
+ ctx["bindVertexArray"] = vao => ext["bindVertexArrayOES"](vao);
+ ctx["isVertexArray"] = vao => ext["isVertexArrayOES"](vao);
+ return 1;
+ }
+};
+
+var webgl_enable_WEBGL_draw_buffers = ctx => {
+ // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
+ var ext = ctx.getExtension("WEBGL_draw_buffers");
+ if (ext) {
+ ctx["drawBuffers"] = (n, bufs) => ext["drawBuffersWEBGL"](n, bufs);
+ return 1;
+ }
+};
+
+var webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance = ctx => // Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted.
+!!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
+
+var webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance = ctx => !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
+
+var webgl_enable_EXT_polygon_offset_clamp = ctx => !!(ctx.extPolygonOffsetClamp = ctx.getExtension("EXT_polygon_offset_clamp"));
+
+var webgl_enable_EXT_clip_control = ctx => !!(ctx.extClipControl = ctx.getExtension("EXT_clip_control"));
+
+var webgl_enable_WEBGL_polygon_mode = ctx => !!(ctx.webglPolygonMode = ctx.getExtension("WEBGL_polygon_mode"));
+
+var webgl_enable_WEBGL_multi_draw = ctx => // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
+!!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
+
+var getEmscriptenSupportedExtensions = ctx => {
+ // Restrict the list of advertised extensions to those that we actually
+ // support.
+ var supportedExtensions = [ // WebGL 1 extensions
+ "ANGLE_instanced_arrays", "EXT_blend_minmax", "EXT_disjoint_timer_query", "EXT_frag_depth", "EXT_shader_texture_lod", "EXT_sRGB", "OES_element_index_uint", "OES_fbo_render_mipmap", "OES_standard_derivatives", "OES_texture_float", "OES_texture_half_float", "OES_texture_half_float_linear", "OES_vertex_array_object", "WEBGL_color_buffer_float", "WEBGL_depth_texture", "WEBGL_draw_buffers", // WebGL 2 extensions
+ "EXT_color_buffer_float", "EXT_conservative_depth", "EXT_disjoint_timer_query_webgl2", "EXT_texture_norm16", "NV_shader_noperspective_interpolation", "WEBGL_clip_cull_distance", // WebGL 1 and WebGL 2 extensions
+ "EXT_clip_control", "EXT_color_buffer_half_float", "EXT_depth_clamp", "EXT_float_blend", "EXT_polygon_offset_clamp", "EXT_texture_compression_bptc", "EXT_texture_compression_rgtc", "EXT_texture_filter_anisotropic", "KHR_parallel_shader_compile", "OES_texture_float_linear", "WEBGL_blend_func_extended", "WEBGL_compressed_texture_astc", "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_etc1", "WEBGL_compressed_texture_s3tc", "WEBGL_compressed_texture_s3tc_srgb", "WEBGL_debug_renderer_info", "WEBGL_debug_shaders", "WEBGL_lose_context", "WEBGL_multi_draw", "WEBGL_polygon_mode" ];
+ // .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
+ return (ctx.getSupportedExtensions() || []).filter(ext => supportedExtensions.includes(ext));
+};
+
+var registerPreMainLoop = f => {
+ // Does nothing unless $MainLoop is included/used.
+ typeof MainLoop != "undefined" && MainLoop.preMainLoop.push(f);
+};
+
+var GL = {
+ counter: 1,
+ buffers: [],
+ mappedBuffers: {},
+ programs: [],
+ framebuffers: [],
+ renderbuffers: [],
+ textures: [],
+ shaders: [],
+ vaos: [],
+ contexts: [],
+ offscreenCanvases: {},
+ queries: [],
+ samplers: [],
+ transformFeedbacks: [],
+ syncs: [],
+ byteSizeByTypeRoot: 5120,
+ byteSizeByType: [ 1, 1, 2, 2, 4, 4, 4, 2, 3, 4, 8 ],
+ stringCache: {},
+ stringiCache: {},
+ unpackAlignment: 4,
+ unpackRowLength: 0,
+ recordError: errorCode => {
+ if (!GL.lastError) {
+ GL.lastError = errorCode;
+ }
+ },
+ getNewId: table => {
+ var ret = GL.counter++;
+ for (var i = table.length; i < ret; i++) {
+ table[i] = null;
+ }
+ // Skip over any non-null elements that might have been created by
+ // glBindBuffer.
+ while (table[ret]) {
+ ret = GL.counter++;
+ }
+ return ret;
+ },
+ genObject: (n, buffers, createFunction, objectTable) => {
+ for (var i = 0; i < n; i++) {
+ var buffer = GLctx[createFunction]();
+ var id = buffer && GL.getNewId(objectTable);
+ if (buffer) {
+ buffer.name = id;
+ objectTable[id] = buffer;
+ } else {
+ GL.recordError(1282);
+ }
+ HEAP32[(((buffers) + (i * 4)) >> 2)] = id;
+ }
+ },
+ MAX_TEMP_BUFFER_SIZE: 2097152,
+ numTempVertexBuffersPerSize: 64,
+ log2ceilLookup: i => 32 - Math.clz32(i === 0 ? 0 : i - 1),
+ generateTempBuffers: (quads, context) => {
+ var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
+ context.tempVertexBufferCounters1 = [];
+ context.tempVertexBufferCounters2 = [];
+ context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex + 1;
+ context.tempVertexBuffers1 = [];
+ context.tempVertexBuffers2 = [];
+ context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex + 1;
+ context.tempIndexBuffers = [];
+ context.tempIndexBuffers.length = largestIndex + 1;
+ for (var i = 0; i <= largestIndex; ++i) {
+ context.tempIndexBuffers[i] = null;
+ // Created on-demand
+ context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
+ var ringbufferLength = GL.numTempVertexBuffersPerSize;
+ context.tempVertexBuffers1[i] = [];
+ context.tempVertexBuffers2[i] = [];
+ var ringbuffer1 = context.tempVertexBuffers1[i];
+ var ringbuffer2 = context.tempVertexBuffers2[i];
+ ringbuffer1.length = ringbuffer2.length = ringbufferLength;
+ for (var j = 0; j < ringbufferLength; ++j) {
+ ringbuffer1[j] = ringbuffer2[j] = null;
+ }
+ }
+ if (quads) {
+ // GL_QUAD indexes can be precalculated
+ context.tempQuadIndexBuffer = GLctx.createBuffer();
+ context.GLctx.bindBuffer(34963, context.tempQuadIndexBuffer);
+ var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
+ var quadIndexes = new Uint16Array(numIndexes);
+ var i = 0, v = 0;
+ while (1) {
+ quadIndexes[i++] = v;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 1;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 2;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 2;
+ if (i >= numIndexes) break;
+ quadIndexes[i++] = v + 3;
+ if (i >= numIndexes) break;
+ v += 4;
+ }
+ context.GLctx.bufferData(34963, quadIndexes, 35044);
+ context.GLctx.bindBuffer(34963, null);
+ }
+ },
+ getTempVertexBuffer: sizeBytes => {
+ var idx = GL.log2ceilLookup(sizeBytes);
+ var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
+ var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
+ GL.currentContext.tempVertexBufferCounters1[idx] = (GL.currentContext.tempVertexBufferCounters1[idx] + 1) & (GL.numTempVertexBuffersPerSize - 1);
+ var vbo = ringbuffer[nextFreeBufferIndex];
+ if (vbo) {
+ return vbo;
+ }
+ var prevVBO = GLctx.getParameter(34964);
+ ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
+ GLctx.bindBuffer(34962, ringbuffer[nextFreeBufferIndex]);
+ GLctx.bufferData(34962, 1 << idx, 35048);
+ GLctx.bindBuffer(34962, prevVBO);
+ return ringbuffer[nextFreeBufferIndex];
+ },
+ getTempIndexBuffer: sizeBytes => {
+ var idx = GL.log2ceilLookup(sizeBytes);
+ var ibo = GL.currentContext.tempIndexBuffers[idx];
+ if (ibo) {
+ return ibo;
+ }
+ var prevIBO = GLctx.getParameter(34965);
+ GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
+ GLctx.bindBuffer(34963, GL.currentContext.tempIndexBuffers[idx]);
+ GLctx.bufferData(34963, 1 << idx, 35048);
+ GLctx.bindBuffer(34963, prevIBO);
+ return GL.currentContext.tempIndexBuffers[idx];
+ },
+ newRenderingFrameStarted: () => {
+ if (!GL.currentContext) {
+ return;
+ }
+ var vb = GL.currentContext.tempVertexBuffers1;
+ GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
+ GL.currentContext.tempVertexBuffers2 = vb;
+ vb = GL.currentContext.tempVertexBufferCounters1;
+ GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
+ GL.currentContext.tempVertexBufferCounters2 = vb;
+ var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
+ for (var i = 0; i <= largestIndex; ++i) {
+ GL.currentContext.tempVertexBufferCounters1[i] = 0;
+ }
+ },
+ getSource: (shader, count, string, length) => {
+ var source = "";
+ for (var i = 0; i < count; ++i) {
+ var len = length ? HEAPU32[(((length) + (i * 4)) >> 2)] : undefined;
+ source += UTF8ToString(HEAPU32[(((string) + (i * 4)) >> 2)], len);
+ }
+ return source;
+ },
+ calcBufLength: (size, type, stride, count) => {
+ if (stride > 0) {
+ return count * stride;
+ }
+ var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
+ return size * typeSize * count;
+ },
+ usedTempBuffers: [],
+ preDrawHandleClientVertexAttribBindings: count => {
+ GL.resetBufferBinding = false;
+ // TODO: initial pass to detect ranges we need to upload, might not need
+ // an upload per attrib
+ for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
+ var cb = GL.currentContext.clientBuffers[i];
+ if (!cb.clientside || !cb.enabled) continue;
+ GL.resetBufferBinding = true;
+ var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
+ var buf = GL.getTempVertexBuffer(size);
+ GLctx.bindBuffer(34962, buf);
+ GLctx.bufferSubData(34962, 0, HEAPU8.subarray(cb.ptr, cb.ptr + size));
+ cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
+ }
+ },
+ postDrawHandleClientVertexAttribBindings: () => {
+ if (GL.resetBufferBinding) {
+ GLctx.bindBuffer(34962, GL.buffers[GLctx.currentArrayBufferBinding]);
+ }
+ },
+ createContext: (/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
+ // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL
+ // context on a canvas, calling .getContext() will always return that
+ // context independent of which 'webgl' or 'webgl2'
+ // context version was passed. See:
+ // https://webkit.org/b/222758
+ // and:
+ // https://github.com/emscripten-core/emscripten/issues/13295.
+ // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari
+ // version field in above check.
+ if (!canvas.getContextSafariWebGL2Fixed) {
+ canvas.getContextSafariWebGL2Fixed = canvas.getContext;
+ /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ function fixedGetContext(ver, attrs) {
+ var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
+ return ((ver == "webgl") == (gl instanceof WebGLRenderingContext)) ? gl : null;
+ }
+ canvas.getContext = fixedGetContext;
+ }
+ var ctx = (webGLContextAttributes.majorVersion > 1) ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
+ if (!ctx) return 0;
+ var handle = GL.registerContext(ctx, webGLContextAttributes);
+ return handle;
+ },
+ registerContext: (ctx, webGLContextAttributes) => {
+ // without pthreads a context is just an integer ID
+ var handle = GL.getNewId(GL.contexts);
+ var context = {
+ handle,
+ attributes: webGLContextAttributes,
+ version: webGLContextAttributes.majorVersion,
+ GLctx: ctx
+ };
+ // Store the created context object so that we can access the context
+ // given a canvas without having to pass the parameters again.
+ if (ctx.canvas) ctx.canvas.GLctxObject = context;
+ GL.contexts[handle] = context;
+ if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
+ GL.initExtensions(context);
+ }
+ context.maxVertexAttribs = context.GLctx.getParameter(34921);
+ context.clientBuffers = [];
+ for (var i = 0; i < context.maxVertexAttribs; i++) {
+ context.clientBuffers[i] = {
+ enabled: false,
+ clientside: false,
+ size: 0,
+ type: 0,
+ normalized: 0,
+ stride: 0,
+ ptr: 0,
+ vertexAttribPointerAdaptor: null
+ };
+ }
+ GL.generateTempBuffers(false, context);
+ return handle;
+ },
+ makeContextCurrent: contextHandle => {
+ // Active Emscripten GL layer context object.
+ GL.currentContext = GL.contexts[contextHandle];
+ // Active WebGL context object.
+ Module["ctx"] = GLctx = GL.currentContext?.GLctx;
+ return !(contextHandle && !GLctx);
+ },
+ getContext: contextHandle => GL.contexts[contextHandle],
+ deleteContext: contextHandle => {
+ if (GL.currentContext === GL.contexts[contextHandle]) {
+ GL.currentContext = null;
+ }
+ if (typeof JSEvents == "object") {
+ // Release all JS event handlers on the DOM element that the GL context is
+ // associated with since the context is now deleted.
+ JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
+ }
+ // Make sure the canvas object no longer refers to the context object so
+ // there are no GC surprises.
+ if (GL.contexts[contextHandle]?.GLctx.canvas) {
+ GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
+ }
+ GL.contexts[contextHandle] = null;
+ },
+ initExtensions: context => {
+ // If this function is called without a specific context object, init the
+ // extensions of the currently active context.
+ context ||= GL.currentContext;
+ if (context.initExtensionsDone) return;
+ context.initExtensionsDone = true;
+ var GLctx = context.GLctx;
+ // Detect the presence of a few extensions manually, since the GL interop
+ // layer itself will need to know if they exist.
+ // Extensions that are available in both WebGL 1 and WebGL 2
+ webgl_enable_WEBGL_multi_draw(GLctx);
+ webgl_enable_EXT_polygon_offset_clamp(GLctx);
+ webgl_enable_EXT_clip_control(GLctx);
+ webgl_enable_WEBGL_polygon_mode(GLctx);
+ // Extensions that are only available in WebGL 1 (the calls will be no-ops
+ // if called on a WebGL 2 context active)
+ webgl_enable_ANGLE_instanced_arrays(GLctx);
+ webgl_enable_OES_vertex_array_object(GLctx);
+ webgl_enable_WEBGL_draw_buffers(GLctx);
+ // Extensions that are available from WebGL >= 2 (no-op if called on a WebGL 1 context active)
+ webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
+ webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
+ // On WebGL 2, EXT_disjoint_timer_query is replaced with an alternative
+ // that's based on core APIs, and exposes only the queryCounterEXT()
+ // entrypoint.
+ if (context.version >= 2) {
+ GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
+ }
+ // However, Firefox exposes the WebGL 1 version on WebGL 2 as well and
+ // thus we look for the WebGL 1 version again if the WebGL 2 version
+ // isn't present. https://bugzil.la/1328882
+ if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
+ GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
+ }
+ for (var ext of getEmscriptenSupportedExtensions(GLctx)) {
+ // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders
+ // are not enabled by default.
+ if (!ext.includes("lose_context") && !ext.includes("debug")) {
+ // Call .getExtension() to enable that extension permanently.
+ GLctx.getExtension(ext);
+ }
+ }
+ }
+};
+
+var webglPowerPreferences = [ "default", "low-power", "high-performance" ];
+
+/** @type {Object} */ var specialHTMLTargets = [ 0, globalThis.document ?? 0, globalThis.window ?? 0 ];
+
+var findEventTarget = target => {
+ // The sensible "default" target varies between events, but use window as the default
+ // since DOM events mostly can default to that. Specific callback registrations
+ // override their own defaults.
+ if (!target) return window;
+ if (typeof target == "number") target = specialHTMLTargets[target] || UTF8ToString(target);
+ if (target === "#window") return window; else if (target === "#document") return document; else if (target === "#screen") return screen; else if (target === "#canvas") return Module["canvas"]; else if (typeof target == "string") return globalThis.document?.getElementById(target);
+ return target;
+};
+
+var findCanvasEventTarget = target => {
+ if (typeof target == "number") target = UTF8ToString(target);
+ if (!target || target === "#canvas") {
+ if (typeof GL != "undefined" && GL.offscreenCanvases["canvas"]) return GL.offscreenCanvases["canvas"];
+ // TODO: Remove this line, target '#canvas' should refer only to Module['canvas'], not to GL.offscreenCanvases['canvas'] - but need stricter tests to be able to remove this line.
+ return Module["canvas"];
+ }
+ if (typeof GL != "undefined" && GL.offscreenCanvases[target]) return GL.offscreenCanvases[target];
+ return findEventTarget(target);
+};
+
+var _emscripten_webgl_do_create_context = (target, attributes) => {
+ var attr32 = ((attributes) >> 2);
+ var powerPreference = HEAP32[attr32 + (8 >> 2)];
+ var contextAttributes = {
+ "alpha": !!HEAP8[attributes + 0],
+ "depth": !!HEAP8[attributes + 1],
+ "stencil": !!HEAP8[attributes + 2],
+ "antialias": !!HEAP8[attributes + 3],
+ "premultipliedAlpha": !!HEAP8[attributes + 4],
+ "preserveDrawingBuffer": !!HEAP8[attributes + 5],
+ "powerPreference": webglPowerPreferences[powerPreference],
+ "failIfMajorPerformanceCaveat": !!HEAP8[attributes + 12],
+ // The following are not predefined WebGL context attributes in the WebGL specification, so the property names can be minified by Closure.
+ majorVersion: HEAP32[attr32 + (16 >> 2)],
+ minorVersion: HEAP32[attr32 + (20 >> 2)],
+ enableExtensionsByDefault: HEAP8[attributes + 24],
+ explicitSwapControl: HEAP8[attributes + 25],
+ proxyContextToMainThread: HEAP32[attr32 + (28 >> 2)],
+ renderViaOffscreenBackBuffer: HEAP8[attributes + 32]
+ };
+ var canvas = findCanvasEventTarget(target);
+ if (!canvas) {
+ return 0;
+ }
+ if (contextAttributes.explicitSwapControl) {
+ return 0;
+ }
+ var contextHandle = GL.createContext(canvas, contextAttributes);
+ return contextHandle;
+};
+
+var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;
+
+var _emscripten_webgl_destroy_context = contextHandle => {
+ if (GL.currentContext == contextHandle) GL.currentContext = 0;
+ GL.deleteContext(contextHandle);
+};
+
+var _emscripten_webgl_get_context_attributes = (c, a) => {
+ if (!a) return -5;
+ c = GL.contexts[c];
+ if (!c) return -3;
+ var t = c.GLctx?.getContextAttributes();
+ if (!t) return -3;
+ HEAP8[a] = t.alpha;
+ HEAP8[(a) + (1)] = t.depth;
+ HEAP8[(a) + (2)] = t.stencil;
+ HEAP8[(a) + (3)] = t.antialias;
+ HEAP8[(a) + (4)] = t.premultipliedAlpha;
+ HEAP8[(a) + (5)] = t.preserveDrawingBuffer;
+ var power = t["powerPreference"] && webglPowerPreferences.indexOf(t["powerPreference"]);
+ HEAP32[(((a) + (8)) >> 2)] = power;
+ HEAP8[(a) + (12)] = t.failIfMajorPerformanceCaveat;
+ HEAP32[(((a) + (16)) >> 2)] = c.version;
+ HEAP32[(((a) + (20)) >> 2)] = 0;
+ HEAP8[(a) + (24)] = c.attributes.enableExtensionsByDefault;
+ return 0;
+};
+
+var _emscripten_webgl_do_get_current_context = () => GL.currentContext ? GL.currentContext.handle : 0;
+
+var _emscripten_webgl_get_current_context = _emscripten_webgl_do_get_current_context;
+
+var _emscripten_webgl_make_context_current = contextHandle => {
+ var success = GL.makeContextCurrent(contextHandle);
+ return success ? 0 : -5;
+};
+
+var stackAlloc = sz => __emscripten_stack_alloc(sz);
+
+var stringToUTF8OnStack = str => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = stackAlloc(size);
+ stringToUTF8(str, ret, size);
+ return ret;
+};
+
+var writeI53ToI64 = (ptr, num) => {
+ HEAPU32[((ptr) >> 2)] = num;
+ var lower = HEAPU32[((ptr) >> 2)];
+ HEAPU32[(((ptr) + (4)) >> 2)] = (num - lower) / 4294967296;
+};
+
+var readI53FromI64 = ptr => HEAPU32[((ptr) >> 2)] + HEAP32[(((ptr) + (4)) >> 2)] * 4294967296;
+
+var wasmTableMirror = [];
+
+var getWasmTableEntry = funcPtr => {
+ var func = wasmTableMirror[funcPtr];
+ if (!func) {
+ /** @suppress {checkTypes} */ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
+ }
+ return func;
+};
+
+var WebGPU = {
+ Internals: {
+ jsObjects: [],
+ jsObjectInsert: (ptr, jsObject) => {
+ ptr >>>= 0;
+ WebGPU.Internals.jsObjects[ptr] = jsObject;
+ },
+ bufferOnUnmaps: [],
+ futures: [],
+ futureInsert: (futureId, promise) => {}
+ },
+ getJsObject: ptr => {
+ if (!ptr) return undefined;
+ ptr >>>= 0;
+ return WebGPU.Internals.jsObjects[ptr];
+ },
+ importJsAdapter: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateAdapter(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsBindGroup: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateBindGroup(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsBindGroupLayout: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateBindGroupLayout(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsBuffer: (buffer, parentPtr = 0) => {
+ // At the moment, we do not allow importing pending buffers.
+ assert(buffer.mapState === "unmapped");
+ var bufferPtr = _emwgpuImportBuffer(parentPtr);
+ WebGPU.Internals.jsObjectInsert(bufferPtr, buffer);
+ return bufferPtr;
+ },
+ importJsCommandBuffer: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateCommandBuffer(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsCommandEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateCommandEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsComputePassEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateComputePassEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsComputePipeline: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateComputePipeline(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsDevice: (device, parentPtr = 0) => {
+ var queuePtr = _emwgpuCreateQueue(parentPtr);
+ var devicePtr = _emwgpuCreateDevice(parentPtr, queuePtr);
+ WebGPU.Internals.jsObjectInsert(queuePtr, device.queue);
+ WebGPU.Internals.jsObjectInsert(devicePtr, device);
+ return devicePtr;
+ },
+ importJsExternalTexture: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateExternalTexture(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsPipelineLayout: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreatePipelineLayout(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsQuerySet: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateQuerySet(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsQueue: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateQueue(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderBundle: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderBundle(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderBundleEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderBundleEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderPassEncoder: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderPassEncoder(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsRenderPipeline: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateRenderPipeline(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsSampler: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateSampler(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsShaderModule: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateShaderModule(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsSurface: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateSurface(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsTexture: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateTexture(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ importJsTextureView: (obj, parentPtr = 0) => {
+ var ptr = _emwgpuCreateTextureView(parentPtr);
+ WebGPU.Internals.jsObjects[ptr] = obj;
+ return ptr;
+ },
+ errorCallback: (callback, type, message, userdata) => {
+ var sp = stackSave();
+ var messagePtr = stringToUTF8OnStack(message);
+ getWasmTableEntry(callback)(type, messagePtr, userdata);
+ stackRestore(sp);
+ },
+ iterateExtensions: (root, handlers) => {
+ for (var ptr = HEAPU32[((root) >> 2)]; ptr; ptr = HEAPU32[((ptr) >> 2)]) {
+ var sType = HEAP32[(((ptr) + (4)) >> 2)];
+ // This will crash if there's no handler indicating either a bogus
+ // sType, or one we haven't implemented yet.
+ var handler = handlers[sType](ptr);
+ }
+ },
+ setStringView: (ptr, data, length) => {
+ HEAPU32[((ptr) >> 2)] = data;
+ HEAPU32[(((ptr) + (4)) >> 2)] = length;
+ },
+ makeStringFromStringView: stringViewPtr => {
+ var ptr = HEAPU32[((stringViewPtr) >> 2)];
+ var length = HEAPU32[(((stringViewPtr) + (4)) >> 2)];
+ // UTF8ToString stops at the first null terminator character in the
+ // string regardless of the length.
+ return UTF8ToString(ptr, length);
+ },
+ makeStringFromOptionalStringView: stringViewPtr => {
+ var ptr = HEAPU32[((stringViewPtr) >> 2)];
+ var length = HEAPU32[(((stringViewPtr) + (4)) >> 2)];
+ // If we don't have a valid string pointer, just return undefined when
+ // optional.
+ if (!ptr) {
+ if (length === 0) {
+ return "";
+ }
+ return undefined;
+ }
+ // UTF8ToString stops at the first null terminator character in the
+ // string regardless of the length.
+ return UTF8ToString(ptr, length);
+ },
+ makeColor: ptr => ({
+ "r": HEAPF64[((ptr) >> 3)],
+ "g": HEAPF64[(((ptr) + (8)) >> 3)],
+ "b": HEAPF64[(((ptr) + (16)) >> 3)],
+ "a": HEAPF64[(((ptr) + (24)) >> 3)]
+ }),
+ makeExtent3D: ptr => ({
+ "width": HEAPU32[((ptr) >> 2)],
+ "height": HEAPU32[(((ptr) + (4)) >> 2)],
+ "depthOrArrayLayers": HEAPU32[(((ptr) + (8)) >> 2)]
+ }),
+ makeOrigin3D: ptr => ({
+ "x": HEAPU32[((ptr) >> 2)],
+ "y": HEAPU32[(((ptr) + (4)) >> 2)],
+ "z": HEAPU32[(((ptr) + (8)) >> 2)]
+ }),
+ makeTexelCopyTextureInfo: ptr => ({
+ "texture": WebGPU.getJsObject(HEAPU32[((ptr) >> 2)]),
+ "mipLevel": HEAPU32[(((ptr) + (4)) >> 2)],
+ "origin": WebGPU.makeOrigin3D(ptr + 8),
+ "aspect": WebGPU.TextureAspect[HEAP32[(((ptr) + (20)) >> 2)]]
+ }),
+ makeTexelCopyBufferLayout: ptr => {
+ var bytesPerRow = HEAPU32[(((ptr) + (8)) >> 2)];
+ var rowsPerImage = HEAPU32[(((ptr) + (12)) >> 2)];
+ return {
+ "offset": readI53FromI64(ptr),
+ "bytesPerRow": bytesPerRow === 4294967295 ? undefined : bytesPerRow,
+ "rowsPerImage": rowsPerImage === 4294967295 ? undefined : rowsPerImage
+ };
+ },
+ makeTexelCopyBufferInfo: ptr => {
+ var layoutPtr = ptr + 0;
+ var bufferCopyView = WebGPU.makeTexelCopyBufferLayout(layoutPtr);
+ bufferCopyView["buffer"] = WebGPU.getJsObject(HEAPU32[(((ptr) + (16)) >> 2)]);
+ return bufferCopyView;
+ },
+ makePassTimestampWrites: ptr => {
+ if (ptr === 0) return undefined;
+ return {
+ "querySet": WebGPU.getJsObject(HEAPU32[(((ptr) + (4)) >> 2)]),
+ "beginningOfPassWriteIndex": HEAPU32[(((ptr) + (8)) >> 2)],
+ "endOfPassWriteIndex": HEAPU32[(((ptr) + (12)) >> 2)]
+ };
+ },
+ makePipelineConstants: (constantCount, constantsPtr) => {
+ if (!constantCount) return;
+ var constants = {};
+ for (var i = 0; i < constantCount; ++i) {
+ var entryPtr = constantsPtr + 24 * i;
+ var key = WebGPU.makeStringFromStringView(entryPtr + 4);
+ constants[key] = HEAPF64[(((entryPtr) + (16)) >> 3)];
+ }
+ return constants;
+ },
+ makePipelineLayout: layoutPtr => {
+ if (!layoutPtr) return "auto";
+ return WebGPU.getJsObject(layoutPtr);
+ },
+ makeComputeState: ptr => {
+ if (!ptr) return undefined;
+ var desc = {
+ "module": WebGPU.getJsObject(HEAPU32[(((ptr) + (4)) >> 2)]),
+ "constants": WebGPU.makePipelineConstants(HEAPU32[(((ptr) + (16)) >> 2)], HEAPU32[(((ptr) + (20)) >> 2)]),
+ "entryPoint": WebGPU.makeStringFromOptionalStringView(ptr + 8)
+ };
+ return desc;
+ },
+ makeComputePipelineDesc: descriptor => {
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "layout": WebGPU.makePipelineLayout(HEAPU32[(((descriptor) + (12)) >> 2)]),
+ "compute": WebGPU.makeComputeState(descriptor + 16)
+ };
+ return desc;
+ },
+ makeRenderPipelineDesc: descriptor => {
+ function makePrimitiveState(psPtr) {
+ if (!psPtr) return undefined;
+ return {
+ "topology": WebGPU.PrimitiveTopology[HEAP32[(((psPtr) + (4)) >> 2)]],
+ "stripIndexFormat": WebGPU.IndexFormat[HEAP32[(((psPtr) + (8)) >> 2)]],
+ "frontFace": WebGPU.FrontFace[HEAP32[(((psPtr) + (12)) >> 2)]],
+ "cullMode": WebGPU.CullMode[HEAP32[(((psPtr) + (16)) >> 2)]],
+ "unclippedDepth": !!(HEAPU32[(((psPtr) + (20)) >> 2)])
+ };
+ }
+ function makeBlendComponent(bdPtr) {
+ if (!bdPtr) return undefined;
+ return {
+ "operation": WebGPU.BlendOperation[HEAP32[((bdPtr) >> 2)]],
+ "srcFactor": WebGPU.BlendFactor[HEAP32[(((bdPtr) + (4)) >> 2)]],
+ "dstFactor": WebGPU.BlendFactor[HEAP32[(((bdPtr) + (8)) >> 2)]]
+ };
+ }
+ function makeBlendState(bsPtr) {
+ if (!bsPtr) return undefined;
+ return {
+ "alpha": makeBlendComponent(bsPtr + 12),
+ "color": makeBlendComponent(bsPtr + 0)
+ };
+ }
+ function makeColorState(csPtr) {
+ var format = WebGPU.TextureFormat[HEAP32[(((csPtr) + (4)) >> 2)]];
+ return format ? {
+ "format": format,
+ "blend": makeBlendState(HEAPU32[(((csPtr) + (8)) >> 2)]),
+ "writeMask": HEAPU32[(((csPtr) + (16)) >> 2)]
+ } : undefined;
+ }
+ function makeColorStates(count, csArrayPtr) {
+ var states = [];
+ for (var i = 0; i < count; ++i) {
+ states.push(makeColorState(csArrayPtr + 24 * i));
+ }
+ return states;
+ }
+ function makeStencilStateFace(ssfPtr) {
+ return {
+ "compare": WebGPU.CompareFunction[HEAP32[((ssfPtr) >> 2)]],
+ "failOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (4)) >> 2)]],
+ "depthFailOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (8)) >> 2)]],
+ "passOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (12)) >> 2)]]
+ };
+ }
+ function makeDepthStencilState(dssPtr) {
+ if (!dssPtr) return undefined;
+ return {
+ "format": WebGPU.TextureFormat[HEAP32[(((dssPtr) + (4)) >> 2)]],
+ "depthWriteEnabled": !!(HEAPU32[(((dssPtr) + (8)) >> 2)]),
+ "depthCompare": WebGPU.CompareFunction[HEAP32[(((dssPtr) + (12)) >> 2)]],
+ "stencilFront": makeStencilStateFace(dssPtr + 16),
+ "stencilBack": makeStencilStateFace(dssPtr + 32),
+ "stencilReadMask": HEAPU32[(((dssPtr) + (48)) >> 2)],
+ "stencilWriteMask": HEAPU32[(((dssPtr) + (52)) >> 2)],
+ "depthBias": HEAP32[(((dssPtr) + (56)) >> 2)],
+ "depthBiasSlopeScale": HEAPF32[(((dssPtr) + (60)) >> 2)],
+ "depthBiasClamp": HEAPF32[(((dssPtr) + (64)) >> 2)]
+ };
+ }
+ function makeVertexAttribute(vaPtr) {
+ return {
+ "format": WebGPU.VertexFormat[HEAP32[(((vaPtr) + (4)) >> 2)]],
+ "offset": readI53FromI64((vaPtr) + (8)),
+ "shaderLocation": HEAPU32[(((vaPtr) + (16)) >> 2)]
+ };
+ }
+ function makeVertexAttributes(count, vaArrayPtr) {
+ var vas = [];
+ for (var i = 0; i < count; ++i) {
+ vas.push(makeVertexAttribute(vaArrayPtr + i * 24));
+ }
+ return vas;
+ }
+ function makeVertexBuffer(vbPtr) {
+ if (!vbPtr) return undefined;
+ var stepMode = WebGPU.VertexStepMode[HEAP32[(((vbPtr) + (4)) >> 2)]];
+ var attributeCount = HEAPU32[(((vbPtr) + (16)) >> 2)];
+ if (!stepMode && !attributeCount) {
+ return null;
+ }
+ return {
+ "arrayStride": readI53FromI64((vbPtr) + (8)),
+ "stepMode": stepMode,
+ "attributes": makeVertexAttributes(attributeCount, HEAPU32[(((vbPtr) + (20)) >> 2)])
+ };
+ }
+ function makeVertexBuffers(count, vbArrayPtr) {
+ if (!count) return undefined;
+ var vbs = [];
+ for (var i = 0; i < count; ++i) {
+ vbs.push(makeVertexBuffer(vbArrayPtr + i * 24));
+ }
+ return vbs;
+ }
+ function makeVertexState(viPtr) {
+ if (!viPtr) return undefined;
+ var desc = {
+ "module": WebGPU.getJsObject(HEAPU32[(((viPtr) + (4)) >> 2)]),
+ "constants": WebGPU.makePipelineConstants(HEAPU32[(((viPtr) + (16)) >> 2)], HEAPU32[(((viPtr) + (20)) >> 2)]),
+ "buffers": makeVertexBuffers(HEAPU32[(((viPtr) + (24)) >> 2)], HEAPU32[(((viPtr) + (28)) >> 2)]),
+ "entryPoint": WebGPU.makeStringFromOptionalStringView(viPtr + 8)
+ };
+ return desc;
+ }
+ function makeMultisampleState(msPtr) {
+ if (!msPtr) return undefined;
+ return {
+ "count": HEAPU32[(((msPtr) + (4)) >> 2)],
+ "mask": HEAPU32[(((msPtr) + (8)) >> 2)],
+ "alphaToCoverageEnabled": !!(HEAPU32[(((msPtr) + (12)) >> 2)])
+ };
+ }
+ function makeFragmentState(fsPtr) {
+ if (!fsPtr) return undefined;
+ var desc = {
+ "module": WebGPU.getJsObject(HEAPU32[(((fsPtr) + (4)) >> 2)]),
+ "constants": WebGPU.makePipelineConstants(HEAPU32[(((fsPtr) + (16)) >> 2)], HEAPU32[(((fsPtr) + (20)) >> 2)]),
+ "targets": makeColorStates(HEAPU32[(((fsPtr) + (24)) >> 2)], HEAPU32[(((fsPtr) + (28)) >> 2)]),
+ "entryPoint": WebGPU.makeStringFromOptionalStringView(fsPtr + 8)
+ };
+ return desc;
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "layout": WebGPU.makePipelineLayout(HEAPU32[(((descriptor) + (12)) >> 2)]),
+ "vertex": makeVertexState(descriptor + 16),
+ "primitive": makePrimitiveState(descriptor + 48),
+ "depthStencil": makeDepthStencilState(HEAPU32[(((descriptor) + (72)) >> 2)]),
+ "multisample": makeMultisampleState(descriptor + 76),
+ "fragment": makeFragmentState(HEAPU32[(((descriptor) + (92)) >> 2)])
+ };
+ return desc;
+ },
+ fillLimitStruct: (limits, limitsOutPtr) => {
+ var nextInChainPtr = HEAPU32[((limitsOutPtr) >> 2)];
+ function setLimitValueU32(name, basePtr, limitOffset, fallbackValue = 0) {
+ var limitValue = limits[name] ?? fallbackValue;
+ HEAPU32[(((basePtr) + (limitOffset)) >> 2)] = limitValue;
+ }
+ function setLimitValueU64(name, basePtr, limitOffset, fallbackValue = 0) {
+ var limitValue = limits[name] ?? fallbackValue;
+ // Limits are integer-valued JS `Number`s, so they fit in 'i53'.
+ writeI53ToI64((basePtr) + (limitOffset), limitValue);
+ }
+ setLimitValueU32("maxTextureDimension1D", limitsOutPtr, 4);
+ setLimitValueU32("maxTextureDimension2D", limitsOutPtr, 8);
+ setLimitValueU32("maxTextureDimension3D", limitsOutPtr, 12);
+ setLimitValueU32("maxTextureArrayLayers", limitsOutPtr, 16);
+ setLimitValueU32("maxBindGroups", limitsOutPtr, 20);
+ setLimitValueU32("maxBindGroupsPlusVertexBuffers", limitsOutPtr, 24);
+ setLimitValueU32("maxBindingsPerBindGroup", limitsOutPtr, 28);
+ setLimitValueU32("maxDynamicUniformBuffersPerPipelineLayout", limitsOutPtr, 32);
+ setLimitValueU32("maxDynamicStorageBuffersPerPipelineLayout", limitsOutPtr, 36);
+ setLimitValueU32("maxSampledTexturesPerShaderStage", limitsOutPtr, 40);
+ setLimitValueU32("maxSamplersPerShaderStage", limitsOutPtr, 44);
+ setLimitValueU32("maxStorageBuffersPerShaderStage", limitsOutPtr, 48);
+ setLimitValueU32("maxStorageTexturesPerShaderStage", limitsOutPtr, 52);
+ setLimitValueU32("maxUniformBuffersPerShaderStage", limitsOutPtr, 56);
+ setLimitValueU32("minUniformBufferOffsetAlignment", limitsOutPtr, 80);
+ setLimitValueU32("minStorageBufferOffsetAlignment", limitsOutPtr, 84);
+ setLimitValueU64("maxUniformBufferBindingSize", limitsOutPtr, 64);
+ setLimitValueU64("maxStorageBufferBindingSize", limitsOutPtr, 72);
+ setLimitValueU32("maxVertexBuffers", limitsOutPtr, 88);
+ setLimitValueU64("maxBufferSize", limitsOutPtr, 96);
+ setLimitValueU32("maxVertexAttributes", limitsOutPtr, 104);
+ setLimitValueU32("maxVertexBufferArrayStride", limitsOutPtr, 108);
+ setLimitValueU32("maxInterStageShaderVariables", limitsOutPtr, 112);
+ setLimitValueU32("maxColorAttachments", limitsOutPtr, 116);
+ setLimitValueU32("maxColorAttachmentBytesPerSample", limitsOutPtr, 120);
+ setLimitValueU32("maxComputeWorkgroupStorageSize", limitsOutPtr, 124);
+ setLimitValueU32("maxComputeInvocationsPerWorkgroup", limitsOutPtr, 128);
+ setLimitValueU32("maxComputeWorkgroupSizeX", limitsOutPtr, 132);
+ setLimitValueU32("maxComputeWorkgroupSizeY", limitsOutPtr, 136);
+ setLimitValueU32("maxComputeWorkgroupSizeZ", limitsOutPtr, 140);
+ setLimitValueU32("maxComputeWorkgroupsPerDimension", limitsOutPtr, 144);
+ // Note this limit is new and won't be present in all browsers for a while. Fall back to 0.
+ setLimitValueU32("maxImmediateSize", limitsOutPtr, 148);
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var compatibilityModeLimitsPtr = nextInChainPtr;
+ // Note these limits are new and won't be present in all browsers for a while. Fall back to exposing the PerShaderStage limit.
+ setLimitValueU32("maxStorageBuffersInVertexStage", compatibilityModeLimitsPtr, 8, limits.maxStorageBuffersPerShaderStage);
+ setLimitValueU32("maxStorageBuffersInFragmentStage", compatibilityModeLimitsPtr, 16, limits.maxStorageBuffersPerShaderStage);
+ setLimitValueU32("maxStorageTexturesInVertexStage", compatibilityModeLimitsPtr, 12, limits.maxStorageTexturesPerShaderStage);
+ setLimitValueU32("maxStorageTexturesInFragmentStage", compatibilityModeLimitsPtr, 20, limits.maxStorageTexturesPerShaderStage);
+ }
+ },
+ fillAdapterInfoStruct: (info, infoStruct) => {
+ // Populate subgroup limits.
+ HEAPU32[(((infoStruct) + (52)) >> 2)] = info.subgroupMinSize;
+ HEAPU32[(((infoStruct) + (56)) >> 2)] = info.subgroupMaxSize;
+ // Append all the strings together to condense into a single malloc.
+ var strs = info.vendor + info.architecture + info.device + info.description;
+ var strPtr = stringToNewUTF8(strs);
+ var vendorLen = lengthBytesUTF8(info.vendor);
+ WebGPU.setStringView(infoStruct + 4, strPtr, vendorLen);
+ strPtr += vendorLen;
+ var architectureLen = lengthBytesUTF8(info.architecture);
+ WebGPU.setStringView(infoStruct + 12, strPtr, architectureLen);
+ strPtr += architectureLen;
+ var deviceLen = lengthBytesUTF8(info.device);
+ WebGPU.setStringView(infoStruct + 20, strPtr, deviceLen);
+ strPtr += deviceLen;
+ var descriptionLen = lengthBytesUTF8(info.description);
+ WebGPU.setStringView(infoStruct + 28, strPtr, descriptionLen);
+ strPtr += descriptionLen;
+ HEAP32[(((infoStruct) + (36)) >> 2)] = 2;
+ var adapterType = info.isFallbackAdapter ? 3 : 4;
+ HEAP32[(((infoStruct) + (40)) >> 2)] = adapterType;
+ HEAPU32[(((infoStruct) + (44)) >> 2)] = 0;
+ HEAPU32[(((infoStruct) + (48)) >> 2)] = 0;
+ },
+ AddressMode: [ , "clamp-to-edge", "repeat", "mirror-repeat" ],
+ BlendFactor: [ , "zero", "one", "src", "one-minus-src", "src-alpha", "one-minus-src-alpha", "dst", "one-minus-dst", "dst-alpha", "one-minus-dst-alpha", "src-alpha-saturated", "constant", "one-minus-constant", "src1", "one-minus-src1", "src1-alpha", "one-minus-src1-alpha" ],
+ BlendOperation: [ , "add", "subtract", "reverse-subtract", "min", "max" ],
+ BufferBindingType: [ , , "uniform", "storage", "read-only-storage" ],
+ BufferMapState: [ , "unmapped", "pending", "mapped" ],
+ CompareFunction: [ , "never", "less", "equal", "less-equal", "greater", "not-equal", "greater-equal", "always" ],
+ CompilationInfoRequestStatus: [ , "success", "callback-cancelled" ],
+ ComponentSwizzle: [ , "0", "1", "r", "g", "b", "a" ],
+ CompositeAlphaMode: [ , "opaque", "premultiplied", "unpremultiplied", "inherit" ],
+ CullMode: [ , "none", "front", "back" ],
+ ErrorFilter: [ , "validation", "out-of-memory", "internal" ],
+ FeatureLevel: [ , "compatibility", "core" ],
+ FeatureName: {
+ 1: "core-features-and-limits",
+ 2: "depth-clip-control",
+ 3: "depth32float-stencil8",
+ 4: "texture-compression-bc",
+ 5: "texture-compression-bc-sliced-3d",
+ 6: "texture-compression-etc2",
+ 7: "texture-compression-astc",
+ 8: "texture-compression-astc-sliced-3d",
+ 9: "timestamp-query",
+ 10: "indirect-first-instance",
+ 11: "shader-f16",
+ 12: "rg11b10ufloat-renderable",
+ 13: "bgra8unorm-storage",
+ 14: "float32-filterable",
+ 15: "float32-blendable",
+ 16: "clip-distances",
+ 17: "dual-source-blending",
+ 18: "subgroups",
+ 19: "texture-formats-tier1",
+ 20: "texture-formats-tier2",
+ 21: "primitive-index",
+ 22: "texture-component-swizzle",
+ 327692: "chromium-experimental-unorm16-texture-formats",
+ 327729: "chromium-experimental-multi-draw-indirect"
+ },
+ FilterMode: [ , "nearest", "linear" ],
+ FrontFace: [ , "ccw", "cw" ],
+ IndexFormat: [ , "uint16", "uint32" ],
+ InstanceFeatureName: [ , "timed-wait-any", "shader-source-spirv", "multiple-devices-per-adapter" ],
+ LoadOp: [ , "load", "clear" ],
+ MipmapFilterMode: [ , "nearest", "linear" ],
+ OptionalBool: [ "false", "true" ],
+ PowerPreference: [ , "low-power", "high-performance" ],
+ PredefinedColorSpace: [ , "srgb", "display-p3" ],
+ PrimitiveTopology: [ , "point-list", "line-list", "line-strip", "triangle-list", "triangle-strip" ],
+ QueryType: [ , "occlusion", "timestamp" ],
+ SamplerBindingType: [ , , "filtering", "non-filtering", "comparison" ],
+ Status: [ , "success", "error" ],
+ StencilOperation: [ , "keep", "zero", "replace", "invert", "increment-clamp", "decrement-clamp", "increment-wrap", "decrement-wrap" ],
+ StorageTextureAccess: [ , , "write-only", "read-only", "read-write" ],
+ StoreOp: [ , "store", "discard" ],
+ SurfaceGetCurrentTextureStatus: [ , "success-optimal", "success-suboptimal", "timeout", "outdated", "lost", "error" ],
+ TextureAspect: [ , "all", "stencil-only", "depth-only" ],
+ TextureDimension: [ , "1d", "2d", "3d" ],
+ TextureFormat: [ , "r8unorm", "r8snorm", "r8uint", "r8sint", "r16unorm", "r16snorm", "r16uint", "r16sint", "r16float", "rg8unorm", "rg8snorm", "rg8uint", "rg8sint", "r32float", "r32uint", "r32sint", "rg16unorm", "rg16snorm", "rg16uint", "rg16sint", "rg16float", "rgba8unorm", "rgba8unorm-srgb", "rgba8snorm", "rgba8uint", "rgba8sint", "bgra8unorm", "bgra8unorm-srgb", "rgb10a2uint", "rgb10a2unorm", "rg11b10ufloat", "rgb9e5ufloat", "rg32float", "rg32uint", "rg32sint", "rgba16unorm", "rgba16snorm", "rgba16uint", "rgba16sint", "rgba16float", "rgba32float", "rgba32uint", "rgba32sint", "stencil8", "depth16unorm", "depth24plus", "depth24plus-stencil8", "depth32float", "depth32float-stencil8", "bc1-rgba-unorm", "bc1-rgba-unorm-srgb", "bc2-rgba-unorm", "bc2-rgba-unorm-srgb", "bc3-rgba-unorm", "bc3-rgba-unorm-srgb", "bc4-r-unorm", "bc4-r-snorm", "bc5-rg-unorm", "bc5-rg-snorm", "bc6h-rgb-ufloat", "bc6h-rgb-float", "bc7-rgba-unorm", "bc7-rgba-unorm-srgb", "etc2-rgb8unorm", "etc2-rgb8unorm-srgb", "etc2-rgb8a1unorm", "etc2-rgb8a1unorm-srgb", "etc2-rgba8unorm", "etc2-rgba8unorm-srgb", "eac-r11unorm", "eac-r11snorm", "eac-rg11unorm", "eac-rg11snorm", "astc-4x4-unorm", "astc-4x4-unorm-srgb", "astc-5x4-unorm", "astc-5x4-unorm-srgb", "astc-5x5-unorm", "astc-5x5-unorm-srgb", "astc-6x5-unorm", "astc-6x5-unorm-srgb", "astc-6x6-unorm", "astc-6x6-unorm-srgb", "astc-8x5-unorm", "astc-8x5-unorm-srgb", "astc-8x6-unorm", "astc-8x6-unorm-srgb", "astc-8x8-unorm", "astc-8x8-unorm-srgb", "astc-10x5-unorm", "astc-10x5-unorm-srgb", "astc-10x6-unorm", "astc-10x6-unorm-srgb", "astc-10x8-unorm", "astc-10x8-unorm-srgb", "astc-10x10-unorm", "astc-10x10-unorm-srgb", "astc-12x10-unorm", "astc-12x10-unorm-srgb", "astc-12x12-unorm", "astc-12x12-unorm-srgb" ],
+ TextureSampleType: [ , , "float", "unfilterable-float", "depth", "sint", "uint" ],
+ TextureViewDimension: [ , "1d", "2d", "2d-array", "cube", "cube-array", "3d" ],
+ ToneMappingMode: [ , "standard", "extended" ],
+ VertexFormat: [ , "uint8", "uint8x2", "uint8x4", "sint8", "sint8x2", "sint8x4", "unorm8", "unorm8x2", "unorm8x4", "snorm8", "snorm8x2", "snorm8x4", "uint16", "uint16x2", "uint16x4", "sint16", "sint16x2", "sint16x4", "unorm16", "unorm16x2", "unorm16x4", "snorm16", "snorm16x2", "snorm16x4", "float16", "float16x2", "float16x4", "float32", "float32x2", "float32x3", "float32x4", "uint32", "uint32x2", "uint32x3", "uint32x4", "sint32", "sint32x2", "sint32x3", "sint32x4", "unorm10-10-10-2", "unorm8x4-bgra" ],
+ VertexStepMode: [ , "vertex", "instance" ],
+ WGSLLanguageFeatureName: [ , "readonly_and_readwrite_storage_textures", "packed_4x8_integer_dot_product", "unrestricted_pointer_parameters", "pointer_composite_access", "uniform_buffer_standard_layout", "subgroup_id", "texture_and_sampler_let", "subgroup_uniformity", "texture_formats_tier1", "linear_indexing" ]
+};
+
+var _emscripten_webgpu_get_device = () => {
+ if (WebGPU.preinitializedDeviceId === undefined) {
+ WebGPU.preinitializedDeviceId = WebGPU.importJsDevice(Module["preinitializedWebGPUDevice"]);
+ // Some users depend on this keeping the device alive, so we add an
+ // additional reference when we first initialize it.
+ _wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
+ }
+ _wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
+ return WebGPU.preinitializedDeviceId;
+};
+
+var _emwgpuBufferDestroy = bufferPtr => {
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ if (onUnmap) {
+ for (var i = 0; i < onUnmap.length; ++i) {
+ onUnmap[i]();
+ }
+ delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ }
+ buffer.destroy();
+};
+
+var _emwgpuBufferGetMappedRange = (bufferPtr, offset, size) => {
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ if (size == -1) size = undefined;
+ var mapped;
+ try {
+ mapped = buffer.getMappedRange(offset, size);
+ } catch (ex) {
+ return 0;
+ }
+ var data = _memalign(16, mapped.byteLength);
+ HEAPU8.fill(0, data, mapped.byteLength);
+ WebGPU.Internals.bufferOnUnmaps[bufferPtr].push(() => {
+ new Uint8Array(mapped).set(HEAPU8.subarray(data, data + mapped.byteLength));
+ _free(data);
+ });
+ return data;
+};
+
+var _emwgpuBufferUnmap = bufferPtr => {
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ if (!onUnmap) {
+ // Already unmapped
+ return;
+ }
+ for (var i = 0; i < onUnmap.length; ++i) {
+ onUnmap[i]();
+ }
+ delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
+ buffer.unmap();
+};
+
+var _emwgpuDelete = ptr => {
+ delete WebGPU.Internals.jsObjects[ptr];
+};
+
+var _emwgpuDeviceCreateBuffer = (devicePtr, descriptor, bufferPtr) => {
+ var mappedAtCreation = !!(HEAPU32[(((descriptor) + (32)) >> 2)]);
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "usage": HEAPU32[(((descriptor) + (16)) >> 2)],
+ "size": readI53FromI64((descriptor) + (24)),
+ "mappedAtCreation": mappedAtCreation
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var buffer;
+ try {
+ buffer = device.createBuffer(desc);
+ } catch (ex) {
+ // The only exception should be RangeError if mapping at creation ran out of memory.
+ return false;
+ }
+ WebGPU.Internals.jsObjectInsert(bufferPtr, buffer);
+ if (mappedAtCreation) {
+ WebGPU.Internals.bufferOnUnmaps[bufferPtr] = [];
+ }
+ return true;
+};
+
+var _emwgpuDeviceCreateComputePipelineAsync = function(devicePtr, futureId_low, futureId_high, descriptor, pipelinePtr) {
+ var futureId = convertI32PairToI53Checked(futureId_low, futureId_high);
+ var desc = WebGPU.makeComputePipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ // createComputePipelineAsync
+ WebGPU.Internals.futureInsert(futureId, device.createComputePipelineAsync(desc).then(pipeline => {
+ // createComputePipelineAsync fulfilled
+ callUserCallback(() => {
+ WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
+ _emwgpuOnCreateComputePipelineCompleted(futureId, 1, pipelinePtr, 0);
+ });
+ }, pipelineError => {
+ // createComputePipelineAsync rejected
+ callUserCallback(() => {
+ var sp = stackSave();
+ var messagePtr = stringToUTF8OnStack(pipelineError.message);
+ var status = pipelineError.reason === "validation" ? 3 : pipelineError.reason === "internal" ? 4 : 0;
+ _emwgpuOnCreateComputePipelineCompleted(futureId, status, pipelinePtr, messagePtr);
+ stackRestore(sp);
+ });
+ }));
+};
+
+var _emwgpuDeviceCreateRenderPipelineAsync = function(devicePtr, futureId_low, futureId_high, descriptor, pipelinePtr) {
+ var futureId = convertI32PairToI53Checked(futureId_low, futureId_high);
+ var desc = WebGPU.makeRenderPipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ // createRenderPipelineAsync
+ WebGPU.Internals.futureInsert(futureId, device.createRenderPipelineAsync(desc).then(pipeline => {
+ // createRenderPipelineAsync fulfilled
+ callUserCallback(() => {
+ WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
+ _emwgpuOnCreateRenderPipelineCompleted(futureId, 1, pipelinePtr, 0);
+ });
+ }, pipelineError => {
+ // createRenderPipelineAsync rejected
+ callUserCallback(() => {
+ var sp = stackSave();
+ var messagePtr = stringToUTF8OnStack(pipelineError.message);
+ var status = pipelineError.reason === "validation" ? 3 : pipelineError.reason === "internal" ? 4 : 0;
+ _emwgpuOnCreateRenderPipelineCompleted(futureId, status, pipelinePtr, messagePtr);
+ stackRestore(sp);
+ });
+ }));
+};
+
+var _emwgpuDeviceCreateShaderModule = (devicePtr, descriptor, shaderModulePtr) => {
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "code": ""
+ };
+ switch (sType) {
+ case 2:
+ {
+ desc["code"] = WebGPU.makeStringFromStringView(nextInChainPtr + 8);
+ break;
+ }
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ WebGPU.Internals.jsObjectInsert(shaderModulePtr, device.createShaderModule(desc));
+};
+
+var _emwgpuDeviceDestroy = devicePtr => {
+ const device = WebGPU.getJsObject(devicePtr);
+ // Remove the onuncapturederror handler which holds a pointer to the WGPUDevice.
+ device.onuncapturederror = null;
+ device.destroy();
+};
+
+var _emwgpuWaitAny = (futurePtr, futureCount, timeoutMSPtr) => {
+ abort("TODO: Implement asyncify-free WaitAny for timeout=0");
+};
+
+var ENV = {};
+
+var getExecutableName = () => thisProgram || "./this.program";
+
+var getEnvStrings = () => {
+ if (!getEnvStrings.strings) {
+ // Default values.
+ // Browser language detection #8751
+ var lang = (globalThis.navigator?.language ?? "C").replace("-", "_") + ".UTF-8";
+ var env = {
+ "USER": "web_user",
+ "LOGNAME": "web_user",
+ "PATH": "/",
+ "PWD": "/",
+ "HOME": "/home/web_user",
+ "LANG": lang,
+ "_": getExecutableName()
+ };
+ // Apply the user-provided values, if any.
+ for (var x in ENV) {
+ // x is a key in ENV; if ENV[x] is undefined, that means it was
+ // explicitly set to be so. We allow user code to do that to
+ // force variables with default values to remain unset.
+ if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
+ }
+ var strings = [];
+ for (var x in env) {
+ strings.push(`${x}=${env[x]}`);
+ }
+ getEnvStrings.strings = strings;
+ }
+ return getEnvStrings.strings;
+};
+
+var _environ_get = (__environ, environ_buf) => {
+ var bufSize = 0;
+ var envp = 0;
+ for (var string of getEnvStrings()) {
+ var ptr = environ_buf + bufSize;
+ HEAPU32[(((__environ) + (envp)) >> 2)] = ptr;
+ bufSize += stringToUTF8(string, ptr, Infinity) + 1;
+ envp += 4;
+ }
+ return 0;
+};
+
+var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
+ var strings = getEnvStrings();
+ HEAPU32[((penviron_count) >> 2)] = strings.length;
+ var bufSize = 0;
+ for (var string of strings) {
+ bufSize += lengthBytesUTF8(string) + 1;
+ }
+ HEAPU32[((penviron_buf_size) >> 2)] = bufSize;
+ return 0;
+};
+
+function _fd_close(fd) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.close(stream);
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[((iov) >> 2)];
+ var len = HEAPU32[(((iov) + (4)) >> 2)];
+ iov += 8;
+ var curr = FS.read(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ if (curr < len) break;
+ // nothing more to read
+ if (typeof offset != "undefined") {
+ offset += curr;
+ }
+ }
+ return ret;
+};
+
+function _fd_read(fd, iov, iovcnt, pnum) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var num = doReadv(stream, iov, iovcnt);
+ HEAPU32[((pnum) >> 2)] = num;
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ if (isNaN(offset)) return 61;
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.llseek(stream, offset, whence);
+ (tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
+ HEAP32[((newOffset) >> 2)] = tempI64[0], HEAP32[(((newOffset) + (4)) >> 2)] = tempI64[1]);
+ if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
+ // reset readdir state
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[((iov) >> 2)];
+ var len = HEAPU32[(((iov) + (4)) >> 2)];
+ iov += 8;
+ var curr = FS.write(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ if (curr < len) {
+ // No more space to write.
+ break;
+ }
+ if (typeof offset != "undefined") {
+ offset += curr;
+ }
+ }
+ return ret;
+};
+
+function _fd_write(fd, iov, iovcnt, pnum) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var num = doWritev(stream, iov, iovcnt);
+ HEAPU32[((pnum) >> 2)] = num;
+ return 0;
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno;
+ }
+}
+
+var _emscripten_glActiveTexture = x0 => GLctx.activeTexture(x0);
+
+var _glActiveTexture = _emscripten_glActiveTexture;
+
+var _emscripten_glAttachShader = (program, shader) => {
+ GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
+};
+
+var _glAttachShader = _emscripten_glAttachShader;
+
+var _emscripten_glBindAttribLocation = (program, index, name) => {
+ GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
+};
+
+var _glBindAttribLocation = _emscripten_glBindAttribLocation;
+
+var _emscripten_glBindBuffer = (target, buffer) => {
+ // Calling glBindBuffer with an unknown buffer will implicitly create a
+ // new one. Here we bypass `GL.counter` and directly using the ID passed
+ // in.
+ if (buffer && !GL.buffers[buffer]) {
+ var b = GLctx.createBuffer();
+ b.name = buffer;
+ GL.buffers[buffer] = b;
+ }
+ if (target == 34962) {
+ GLctx.currentArrayBufferBinding = buffer;
+ } else if (target == 34963) {
+ GLctx.currentElementArrayBufferBinding = buffer;
+ }
+ if (target == 35051) {
+ // In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2
+ // API function call when a buffer is bound to
+ // GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that
+ // binding point is non-null to know what is the proper API function to
+ // call.
+ GLctx.currentPixelPackBufferBinding = buffer;
+ } else if (target == 35052) {
+ // In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to
+ // use a different WebGL 2 API function call when a buffer is bound to
+ // GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that
+ // binding point is non-null to know what is the proper API function to
+ // call.
+ GLctx.currentPixelUnpackBufferBinding = buffer;
+ }
+ GLctx.bindBuffer(target, GL.buffers[buffer]);
+};
+
+var _glBindBuffer = _emscripten_glBindBuffer;
+
+var _emscripten_glBindBufferBase = (target, index, buffer) => {
+ GLctx.bindBufferBase(target, index, GL.buffers[buffer]);
+};
+
+var _glBindBufferBase = _emscripten_glBindBufferBase;
+
+var _emscripten_glBindFramebuffer = (target, framebuffer) => {
+ GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
+};
+
+var _glBindFramebuffer = _emscripten_glBindFramebuffer;
+
+var _emscripten_glBindTexture = (target, texture) => {
+ GLctx.bindTexture(target, GL.textures[texture]);
+};
+
+var _glBindTexture = _emscripten_glBindTexture;
+
+var _emscripten_glBindVertexArray = vao => {
+ GLctx.bindVertexArray(GL.vaos[vao]);
+ var ibo = GLctx.getParameter(34965);
+ GLctx.currentElementArrayBufferBinding = ibo ? (ibo.name | 0) : 0;
+};
+
+var _glBindVertexArray = _emscripten_glBindVertexArray;
+
+var _emscripten_glBlendEquation = x0 => GLctx.blendEquation(x0);
+
+var _glBlendEquation = _emscripten_glBlendEquation;
+
+var _emscripten_glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);
+
+var _glBlendFunc = _emscripten_glBlendFunc;
+
+var _emscripten_glBufferData = (target, size, data, usage) => {
+ if (GL.currentContext.version >= 2) {
+ // If size is zero, WebGL would interpret uploading the whole input
+ // arraybuffer (starting from given offset), which would not make sense in
+ // WebAssembly, so avoid uploading if size is zero. However we must still
+ // call bufferData to establish a backing storage of zero bytes.
+ if (data && size) {
+ GLctx.bufferData(target, HEAPU8, usage, data, size);
+ } else {
+ GLctx.bufferData(target, size, usage);
+ }
+ return;
+ }
+ // N.b. here first form specifies a heap subarray, second form an integer
+ // size, so the ?: code here is polymorphic. It is advised to avoid
+ // randomly mixing both uses in calling code, to avoid any potential JS
+ // engine JIT issues.
+ GLctx.bufferData(target, data ? HEAPU8.subarray(data, data + size) : size, usage);
+};
+
+var _glBufferData = _emscripten_glBufferData;
+
+var _emscripten_glClear = x0 => GLctx.clear(x0);
+
+var _glClear = _emscripten_glClear;
+
+var _emscripten_glClearColor = (x0, x1, x2, x3) => GLctx.clearColor(x0, x1, x2, x3);
+
+var _glClearColor = _emscripten_glClearColor;
+
+var convertI32PairToI53 = (lo, hi) => (lo >>> 0) + hi * 4294967296;
+
+var _emscripten_glClientWaitSync = (sync, flags, timeout_low, timeout_high) => {
+ // WebGL2 vs GLES3 differences: in GLES3, the timeout parameter is a uint64, where 0xFFFFFFFFFFFFFFFFULL means GL_TIMEOUT_IGNORED.
+ // In JS, there's no 64-bit value types, so instead timeout is taken to be signed, and GL_TIMEOUT_IGNORED is given value -1.
+ // Inherently the value accepted in the timeout is lossy, and can't take in arbitrary u64 bit pattern (but most likely doesn't matter)
+ // See https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15
+ var timeout = convertI32PairToI53(timeout_low, timeout_high);
+ return GLctx.clientWaitSync(GL.syncs[sync], flags, timeout);
+};
+
+var _glClientWaitSync = _emscripten_glClientWaitSync;
+
+var _emscripten_glColorMask = (red, green, blue, alpha) => {
+ GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
+};
+
+var _glColorMask = _emscripten_glColorMask;
+
+var _emscripten_glCompileShader = shader => {
+ GLctx.compileShader(GL.shaders[shader]);
+};
+
+var _glCompileShader = _emscripten_glCompileShader;
+
+var _emscripten_glCreateProgram = () => {
+ var id = GL.getNewId(GL.programs);
+ var program = GLctx.createProgram();
+ // Store additional information needed for each shader program:
+ program.name = id;
+ // Lazy cache results of
+ // glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
+ program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
+ program.uniformIdCounter = 1;
+ GL.programs[id] = program;
+ return id;
+};
+
+var _glCreateProgram = _emscripten_glCreateProgram;
+
+var _emscripten_glCreateShader = shaderType => {
+ var id = GL.getNewId(GL.shaders);
+ GL.shaders[id] = GLctx.createShader(shaderType);
+ return id;
+};
+
+var _glCreateShader = _emscripten_glCreateShader;
+
+var _emscripten_glDeleteBuffers = (n, buffers) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((buffers) + (i * 4)) >> 2)];
+ var buffer = GL.buffers[id];
+ // From spec: "glDeleteBuffers silently ignores 0's and names that do not
+ // correspond to existing buffer objects."
+ if (!buffer) continue;
+ GLctx.deleteBuffer(buffer);
+ buffer.name = 0;
+ GL.buffers[id] = null;
+ if (id == GLctx.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
+ if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
+ if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
+ if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
+ }
+};
+
+var _glDeleteBuffers = _emscripten_glDeleteBuffers;
+
+var _emscripten_glDeleteFramebuffers = (n, framebuffers) => {
+ for (var i = 0; i < n; ++i) {
+ var id = HEAP32[(((framebuffers) + (i * 4)) >> 2)];
+ var framebuffer = GL.framebuffers[id];
+ if (!framebuffer) continue;
+ // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
+ GLctx.deleteFramebuffer(framebuffer);
+ framebuffer.name = 0;
+ GL.framebuffers[id] = null;
+ }
+};
+
+var _glDeleteFramebuffers = _emscripten_glDeleteFramebuffers;
+
+var _emscripten_glDeleteProgram = id => {
+ if (!id) return;
+ var program = GL.programs[id];
+ if (!program) {
+ // glDeleteProgram actually signals an error when deleting a nonexisting
+ // object, unlike some other GL delete functions.
+ GL.recordError(1281);
+ return;
+ }
+ GLctx.deleteProgram(program);
+ program.name = 0;
+ GL.programs[id] = null;
+};
+
+var _glDeleteProgram = _emscripten_glDeleteProgram;
+
+var _emscripten_glDeleteShader = id => {
+ if (!id) return;
+ var shader = GL.shaders[id];
+ if (!shader) {
+ // glDeleteShader actually signals an error when deleting a nonexisting
+ // object, unlike some other GL delete functions.
+ GL.recordError(1281);
+ return;
+ }
+ GLctx.deleteShader(shader);
+ GL.shaders[id] = null;
+};
+
+var _glDeleteShader = _emscripten_glDeleteShader;
+
+var _emscripten_glDeleteSync = id => {
+ if (!id) return;
+ var sync = GL.syncs[id];
+ if (!sync) {
+ // glDeleteSync signals an error when deleting a nonexisting object, unlike some other GL delete functions.
+ GL.recordError(1281);
+ return;
+ }
+ GLctx.deleteSync(sync);
+ sync.name = 0;
+ GL.syncs[id] = null;
+};
+
+var _glDeleteSync = _emscripten_glDeleteSync;
+
+var _emscripten_glDeleteTextures = (n, textures) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((textures) + (i * 4)) >> 2)];
+ var texture = GL.textures[id];
+ // GL spec: "glDeleteTextures silently ignores 0s and names that do not
+ // correspond to existing textures".
+ if (!texture) continue;
+ GLctx.deleteTexture(texture);
+ texture.name = 0;
+ GL.textures[id] = null;
+ }
+};
+
+var _glDeleteTextures = _emscripten_glDeleteTextures;
+
+var _emscripten_glDeleteVertexArrays = (n, vaos) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((vaos) + (i * 4)) >> 2)];
+ GLctx.deleteVertexArray(GL.vaos[id]);
+ GL.vaos[id] = null;
+ }
+};
+
+var _glDeleteVertexArrays = _emscripten_glDeleteVertexArrays;
+
+var _emscripten_glDetachShader = (program, shader) => {
+ GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
+};
+
+var _glDetachShader = _emscripten_glDetachShader;
+
+var _emscripten_glDisable = x0 => GLctx.disable(x0);
+
+var _glDisable = _emscripten_glDisable;
+
+var _emscripten_glDisableVertexAttribArray = index => {
+ var cb = GL.currentContext.clientBuffers[index];
+ cb.enabled = false;
+ GLctx.disableVertexAttribArray(index);
+};
+
+var _glDisableVertexAttribArray = _emscripten_glDisableVertexAttribArray;
+
+var _emscripten_glDrawArrays = (mode, first, count) => {
+ // bind any client-side buffers
+ GL.preDrawHandleClientVertexAttribBindings(first + count);
+ GLctx.drawArrays(mode, first, count);
+ GL.postDrawHandleClientVertexAttribBindings();
+};
+
+var _glDrawArrays = _emscripten_glDrawArrays;
+
+var tempFixedLengthArray = [];
+
+var _emscripten_glDrawBuffers = (n, bufs) => {
+ var bufArray = tempFixedLengthArray[n];
+ for (var i = 0; i < n; i++) {
+ bufArray[i] = HEAP32[(((bufs) + (i * 4)) >> 2)];
+ }
+ GLctx.drawBuffers(bufArray);
+};
+
+var _glDrawBuffers = _emscripten_glDrawBuffers;
+
+var _emscripten_glEnable = x0 => GLctx.enable(x0);
+
+var _glEnable = _emscripten_glEnable;
+
+var _emscripten_glEnableVertexAttribArray = index => {
+ var cb = GL.currentContext.clientBuffers[index];
+ cb.enabled = true;
+ GLctx.enableVertexAttribArray(index);
+};
+
+var _glEnableVertexAttribArray = _emscripten_glEnableVertexAttribArray;
+
+var _emscripten_glFenceSync = (condition, flags) => {
+ var sync = GLctx.fenceSync(condition, flags);
+ if (sync) {
+ var id = GL.getNewId(GL.syncs);
+ sync.name = id;
+ GL.syncs[id] = sync;
+ return id;
+ }
+ return 0;
+};
+
+var _glFenceSync = _emscripten_glFenceSync;
+
+var _emscripten_glFinish = () => GLctx.finish();
+
+var _glFinish = _emscripten_glFinish;
+
+var _emscripten_glFlush = () => GLctx.flush();
+
+var _glFlush = _emscripten_glFlush;
+
+var _emscripten_glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
+ GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
+};
+
+var _glFramebufferTexture2D = _emscripten_glFramebufferTexture2D;
+
+var _emscripten_glFramebufferTextureLayer = (target, attachment, texture, level, layer) => {
+ GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
+};
+
+var _glFramebufferTextureLayer = _emscripten_glFramebufferTextureLayer;
+
+var _emscripten_glGenBuffers = (n, buffers) => {
+ GL.genObject(n, buffers, "createBuffer", GL.buffers);
+};
+
+var _glGenBuffers = _emscripten_glGenBuffers;
+
+var _emscripten_glGenFramebuffers = (n, ids) => {
+ GL.genObject(n, ids, "createFramebuffer", GL.framebuffers);
+};
+
+var _glGenFramebuffers = _emscripten_glGenFramebuffers;
+
+var _emscripten_glGenTextures = (n, textures) => {
+ GL.genObject(n, textures, "createTexture", GL.textures);
+};
+
+var _glGenTextures = _emscripten_glGenTextures;
+
+var _emscripten_glGenVertexArrays = (n, arrays) => {
+ GL.genObject(n, arrays, "createVertexArray", GL.vaos);
+};
+
+var _glGenVertexArrays = _emscripten_glGenVertexArrays;
+
+var _emscripten_glGetAttribLocation = (program, name) => GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
+
+var _glGetAttribLocation = _emscripten_glGetAttribLocation;
+
+var _emscripten_glGetError = () => {
+ var error = GLctx.getError() || GL.lastError;
+ GL.lastError = 0;
+ return error;
+};
+
+var _glGetError = _emscripten_glGetError;
+
+var webglGetExtensions = () => {
+ var exts = getEmscriptenSupportedExtensions(GLctx);
+ exts = exts.concat(exts.map(e => "GL_" + e));
+ return exts;
+};
+
+var emscriptenWebGLGet = (name_, p, type) => {
+ // Guard against user passing a null pointer.
+ // Note that GLES2 spec does not say anything about how passing a null
+ // pointer should be treated. Testing on desktop core GL 3, the application
+ // crashes on glGetIntegerv to a null pointer, but better to report an error
+ // instead of doing anything random.
+ if (!p) {
+ GL.recordError(1281);
+ return;
+ }
+ var ret = undefined;
+ switch (name_) {
+ // Handle a few trivial GLES values
+ case 36346:
+ // GL_SHADER_COMPILER
+ ret = 1;
+ break;
+
+ case 36344:
+ // GL_SHADER_BINARY_FORMATS
+ if (type != 0 && type != 1) {
+ GL.recordError(1280);
+ }
+ // Do not write anything to the out pointer, since no binary formats are
+ // supported.
+ return;
+
+ case 34814:
+ // GL_NUM_PROGRAM_BINARY_FORMATS
+ case 36345:
+ // GL_NUM_SHADER_BINARY_FORMATS
+ ret = 0;
+ break;
+
+ case 34466:
+ // GL_NUM_COMPRESSED_TEXTURE_FORMATS
+ // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete
+ // since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be
+ // queried for length), so implement it ourselves to allow C++ GLES2
+ // code to get the length.
+ var formats = GLctx.getParameter(34467);
+ ret = formats ? formats.length : 0;
+ break;
+
+ case 33309:
+ // GL_NUM_EXTENSIONS
+ if (GL.currentContext.version < 2) {
+ // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
+ GL.recordError(1282);
+ return;
+ }
+ ret = webglGetExtensions().length;
+ break;
+
+ case 33307:
+ // GL_MAJOR_VERSION
+ case 33308:
+ // GL_MINOR_VERSION
+ if (GL.currentContext.version < 2) {
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ return;
+ }
+ ret = name_ == 33307 ? 3 : 0;
+ // return version 3.0
+ break;
+ }
+ if (ret === undefined) {
+ var result = GLctx.getParameter(name_);
+ switch (typeof result) {
+ case "number":
+ ret = result;
+ break;
+
+ case "boolean":
+ ret = result ? 1 : 0;
+ break;
+
+ case "string":
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ return;
+
+ case "object":
+ if (result === null) {
+ // null is a valid result for some (e.g., which buffer is bound -
+ // perhaps nothing is bound), but otherwise can mean an invalid
+ // name_, which we need to report as an error
+ switch (name_) {
+ case 34964:
+ // ARRAY_BUFFER_BINDING
+ case 35725:
+ // CURRENT_PROGRAM
+ case 34965:
+ // ELEMENT_ARRAY_BUFFER_BINDING
+ case 36006:
+ // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
+ case 36007:
+ // RENDERBUFFER_BINDING
+ case 32873:
+ // TEXTURE_BINDING_2D
+ case 34229:
+ // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
+ case 36662:
+ // COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER
+ case 36663:
+ // COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER
+ case 35053:
+ // PIXEL_PACK_BUFFER_BINDING
+ case 35055:
+ // PIXEL_UNPACK_BUFFER_BINDING
+ case 36010:
+ // READ_FRAMEBUFFER_BINDING
+ case 35097:
+ // SAMPLER_BINDING
+ case 35869:
+ // TEXTURE_BINDING_2D_ARRAY
+ case 32874:
+ // TEXTURE_BINDING_3D
+ case 36389:
+ // TRANSFORM_FEEDBACK_BINDING
+ case 35983:
+ // TRANSFORM_FEEDBACK_BUFFER_BINDING
+ case 35368:
+ // UNIFORM_BUFFER_BINDING
+ case 34068:
+ {
+ // TEXTURE_BINDING_CUBE_MAP
+ ret = 0;
+ break;
+ }
+
+ default:
+ {
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ return;
+ }
+ }
+ } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
+ for (var i = 0; i < result.length; ++i) {
+ switch (type) {
+ case 0:
+ HEAP32[(((p) + (i * 4)) >> 2)] = result[i];
+ break;
+
+ case 2:
+ HEAPF32[(((p) + (i * 4)) >> 2)] = result[i];
+ break;
+
+ case 4:
+ HEAP8[(p) + (i)] = result[i] ? 1 : 0;
+ break;
+ }
+ }
+ return;
+ } else {
+ try {
+ ret = result.name | 0;
+ } catch (e) {
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
+ return;
+ }
+ }
+ break;
+
+ default:
+ GL.recordError(1280);
+ // GL_INVALID_ENUM
+ err(`GL_INVALID_ENUM in glGet${type}v: Native code calling glGet${type}v(${name_}) and it returns ${result} of type ${typeof (result)}!`);
+ return;
+ }
+ }
+ switch (type) {
+ case 1:
+ writeI53ToI64(p, ret);
+ break;
+
+ case 0:
+ HEAP32[((p) >> 2)] = ret;
+ break;
+
+ case 2:
+ HEAPF32[((p) >> 2)] = ret;
+ break;
+
+ case 4:
+ HEAP8[p] = ret ? 1 : 0;
+ break;
+ }
+};
+
+var _emscripten_glGetFloatv = (name_, p) => emscriptenWebGLGet(name_, p, 2);
+
+var _glGetFloatv = _emscripten_glGetFloatv;
+
+var _emscripten_glGetIntegerv = (name_, p) => emscriptenWebGLGet(name_, p, 0);
+
+var _glGetIntegerv = _emscripten_glGetIntegerv;
+
+var _emscripten_glGetProgramiv = (program, pname, p) => {
+ if (!p) {
+ // GLES2 specification does not specify how to behave if p is a null
+ // pointer. Since calling this function does not make sense if p == null,
+ // issue a GL error to notify user about it.
+ GL.recordError(1281);
+ return;
+ }
+ if (program >= GL.counter) {
+ GL.recordError(1281);
+ return;
+ }
+ program = GL.programs[program];
+ if (pname == 35716) {
+ // GL_INFO_LOG_LENGTH
+ var log = GLctx.getProgramInfoLog(program);
+ if (log === null) log = "(unknown error)";
+ HEAP32[((p) >> 2)] = log.length + 1;
+ } else if (pname == 35719) {
+ if (!program.maxUniformLength) {
+ var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
+ for (var i = 0; i < numActiveUniforms; ++i) {
+ program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
+ }
+ }
+ HEAP32[((p) >> 2)] = program.maxUniformLength;
+ } else if (pname == 35722) {
+ if (!program.maxAttributeLength) {
+ var numActiveAttributes = GLctx.getProgramParameter(program, 35721);
+ for (var i = 0; i < numActiveAttributes; ++i) {
+ program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
+ }
+ }
+ HEAP32[((p) >> 2)] = program.maxAttributeLength;
+ } else if (pname == 35381) {
+ if (!program.maxUniformBlockNameLength) {
+ var numActiveUniformBlocks = GLctx.getProgramParameter(program, 35382);
+ for (var i = 0; i < numActiveUniformBlocks; ++i) {
+ program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
+ }
+ }
+ HEAP32[((p) >> 2)] = program.maxUniformBlockNameLength;
+ } else {
+ HEAP32[((p) >> 2)] = GLctx.getProgramParameter(program, pname);
+ }
+};
+
+var _glGetProgramiv = _emscripten_glGetProgramiv;
+
+var _emscripten_glGetShaderInfoLog = (shader, maxLength, length, infoLog) => {
+ var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+ if (log === null) log = "(unknown error)";
+ var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
+ if (length) HEAP32[((length) >> 2)] = numBytesWrittenExclNull;
+};
+
+var _glGetShaderInfoLog = _emscripten_glGetShaderInfoLog;
+
+var _emscripten_glGetShaderiv = (shader, pname, p) => {
+ if (!p) {
+ // GLES2 specification does not specify how to behave if p is a null
+ // pointer. Since calling this function does not make sense if p == null,
+ // issue a GL error to notify user about it.
+ GL.recordError(1281);
+ return;
+ }
+ if (pname == 35716) {
+ // GL_INFO_LOG_LENGTH
+ var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+ if (log === null) log = "(unknown error)";
+ // The GLES2 specification says that if the shader has an empty info log,
+ // a value of 0 is returned. Otherwise the log has a null char appended.
+ // (An empty string is falsey, so we can just check that instead of
+ // looking at log.length.)
+ var logLength = log ? log.length + 1 : 0;
+ HEAP32[((p) >> 2)] = logLength;
+ } else if (pname == 35720) {
+ // GL_SHADER_SOURCE_LENGTH
+ var source = GLctx.getShaderSource(GL.shaders[shader]);
+ // source may be a null, or the empty string, both of which are falsey
+ // values that we report a 0 length for.
+ var sourceLength = source ? source.length + 1 : 0;
+ HEAP32[((p) >> 2)] = sourceLength;
+ } else {
+ HEAP32[((p) >> 2)] = GLctx.getShaderParameter(GL.shaders[shader], pname);
+ }
+};
+
+var _glGetShaderiv = _emscripten_glGetShaderiv;
+
+var _emscripten_glGetString = name_ => {
+ var ret = GL.stringCache[name_];
+ if (!ret) {
+ switch (name_) {
+ case 7939:
+ ret = stringToNewUTF8(webglGetExtensions().join(" "));
+ break;
+
+ case 7936:
+ case 7937:
+ case 37445:
+ case 37446:
+ var s = GLctx.getParameter(name_);
+ if (!s) {
+ GL.recordError(1280);
+ }
+ ret = s ? stringToNewUTF8(s) : 0;
+ break;
+
+ case 7938:
+ var webGLVersion = GLctx.getParameter(7938);
+ // return GLES version string corresponding to the version of the WebGL context
+ var glVersion = `OpenGL ES 2.0 (${webGLVersion})`;
+ if (GL.currentContext.version >= 2) glVersion = `OpenGL ES 3.0 (${webGLVersion})`;
+ ret = stringToNewUTF8(glVersion);
+ break;
+
+ case 35724:
+ var glslVersion = GLctx.getParameter(35724);
+ // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...'
+ var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
+ var ver_num = glslVersion.match(ver_re);
+ if (ver_num !== null) {
+ if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
+ // ensure minor version has 2 digits
+ glslVersion = `OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`;
+ }
+ ret = stringToNewUTF8(glslVersion);
+ break;
+
+ default:
+ GL.recordError(1280);
+ }
+ GL.stringCache[name_] = ret;
+ }
+ return ret;
+};
+
+var _glGetString = _emscripten_glGetString;
+
+var _emscripten_glGetUniformBlockIndex = (program, uniformBlockName) => GLctx.getUniformBlockIndex(GL.programs[program], UTF8ToString(uniformBlockName));
+
+var _glGetUniformBlockIndex = _emscripten_glGetUniformBlockIndex;
+
+/** @suppress {checkTypes} */ var jstoi_q = str => parseInt(str);
+
+/** @noinline */ var webglGetLeftBracePos = name => name.slice(-1) == "]" && name.lastIndexOf("[");
+
+var webglPrepareUniformLocationsBeforeFirstUse = program => {
+ var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation
+ uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint]
+ i, j;
+ // On the first time invocation of glGetUniformLocation on this shader program:
+ // initialize cache data structures and discover which uniforms are arrays.
+ if (!uniformLocsById) {
+ // maps GLint integer locations to WebGLUniformLocations
+ program.uniformLocsById = uniformLocsById = {};
+ // maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations
+ program.uniformArrayNamesById = {};
+ var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
+ for (i = 0; i < numActiveUniforms; ++i) {
+ var u = GLctx.getActiveUniform(program, i);
+ var nm = u.name;
+ var sz = u.size;
+ var lb = webglGetLeftBracePos(nm);
+ var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
+ // Assign a new location.
+ var id = program.uniformIdCounter;
+ program.uniformIdCounter += sz;
+ // Eagerly get the location of the uniformArray[0] base element.
+ // The remaining indices >0 will be left for lazy evaluation to
+ // improve performance. Those may never be needed to fetch, if the
+ // application fills arrays always in full starting from the first
+ // element of the array.
+ uniformSizeAndIdsByName[arrayName] = [ sz, id ];
+ // Store placeholder integers in place that highlight that these
+ // >0 index locations are array indices pending population.
+ for (j = 0; j < sz; ++j) {
+ uniformLocsById[id] = j;
+ program.uniformArrayNamesById[id++] = arrayName;
+ }
+ }
+ }
+};
+
+var _emscripten_glGetUniformLocation = (program, name) => {
+ name = UTF8ToString(name);
+ if (program = GL.programs[program]) {
+ webglPrepareUniformLocationsBeforeFirstUse(program);
+ var uniformLocsById = program.uniformLocsById;
+ // Maps GLuint -> WebGLUniformLocation
+ var arrayIndex = 0;
+ var uniformBaseName = name;
+ // Invariant: when populating integer IDs for uniform locations, we must
+ // maintain the precondition that arrays reside in contiguous addresses,
+ // i.e. for a 'vec4 colors[10];', colors[4] must be at location
+ // colors[0]+4. However, user might call glGetUniformLocation(program,
+ // "colors") for an array, so we cannot discover based on the user input
+ // arguments whether the uniform we are dealing with is an array. The only
+ // way to discover which uniforms are arrays is to enumerate over all the
+ // active uniforms in the program.
+ var leftBrace = webglGetLeftBracePos(name);
+ // If user passed an array accessor "[index]", parse the array index off the accessor.
+ if (leftBrace > 0) {
+ arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
+ // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
+ uniformBaseName = name.slice(0, leftBrace);
+ }
+ // Have we cached the location of this uniform before?
+ // A pair [array length, GLint of the uniform location]
+ var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
+ // If a uniform with this name exists, and if its index is within the
+ // array limits (if it's even an array), query the WebGLlocation, or
+ // return an existing cached location.
+ if (sizeAndId && arrayIndex < sizeAndId[0]) {
+ arrayIndex += sizeAndId[1];
+ // Add the base location of the uniform to the array index offset.
+ if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) {
+ return arrayIndex;
+ }
+ }
+ } else {
+ // N.b. we are currently unable to distinguish between GL program IDs that
+ // never existed vs GL program IDs that have been deleted, so report
+ // GL_INVALID_VALUE in both cases.
+ GL.recordError(1281);
+ }
+ return -1;
+};
+
+var _glGetUniformLocation = _emscripten_glGetUniformLocation;
+
+var _emscripten_glLineWidth = x0 => GLctx.lineWidth(x0);
+
+var _glLineWidth = _emscripten_glLineWidth;
+
+var _emscripten_glLinkProgram = program => {
+ program = GL.programs[program];
+ GLctx.linkProgram(program);
+ // Invalidate earlier computed uniform->ID mappings, those have now become stale
+ program.uniformLocsById = 0;
+ // Mark as null-like so that glGetUniformLocation() knows to populate this again.
+ program.uniformSizeAndIdsByName = {};
+};
+
+var _glLinkProgram = _emscripten_glLinkProgram;
+
+var _emscripten_glPixelStorei = (pname, param) => {
+ if (pname == 3317) {
+ GL.unpackAlignment = param;
+ } else if (pname == 3314) {
+ GL.unpackRowLength = param;
+ }
+ GLctx.pixelStorei(pname, param);
+};
+
+var _glPixelStorei = _emscripten_glPixelStorei;
+
+var computeUnpackAlignedImageSize = (width, height, sizePerPixel) => {
+ function roundedToNextMultipleOf(x, y) {
+ return (x + y - 1) & -y;
+ }
+ var plainRowSize = (GL.unpackRowLength || width) * sizePerPixel;
+ var alignedRowSize = roundedToNextMultipleOf(plainRowSize, GL.unpackAlignment);
+ return height * alignedRowSize;
+};
+
+var colorChannelsInGlTextureFormat = format => {
+ // Micro-optimizations for size: map format to size by subtracting smallest
+ // enum value (0x1902) from all values first. Also omit the most common
+ // size value (1) from the list, which is assumed by formats not on the
+ // list.
+ var colorChannels = {
+ // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1,
+ // 0x1906 /* GL_ALPHA */ - 0x1902: 1,
+ 5: 3,
+ 6: 4,
+ // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1,
+ 8: 2,
+ 29502: 3,
+ 29504: 4,
+ // 0x1903 /* GL_RED */ - 0x1902: 1,
+ 26917: 2,
+ 26918: 2,
+ // 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1,
+ 29846: 3,
+ 29847: 4
+ };
+ return colorChannels[format - 6402] || 1;
+};
+
+var heapObjectForWebGLType = type => {
+ // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare
+ // smaller values for the heap, for shorter generated code size.
+ // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16.
+ // (since most types are HEAPU16)
+ type -= 5120;
+ if (type == 0) return HEAP8;
+ if (type == 1) return HEAPU8;
+ if (type == 2) return HEAP16;
+ if (type == 4) return HEAP32;
+ if (type == 6) return HEAPF32;
+ if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return HEAPU32;
+ return HEAPU16;
+};
+
+var toTypedArrayIndex = (pointer, heap) => pointer >>> (31 - Math.clz32(heap.BYTES_PER_ELEMENT));
+
+var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
+ var heap = heapObjectForWebGLType(type);
+ var sizePerPixel = colorChannelsInGlTextureFormat(format) * heap.BYTES_PER_ELEMENT;
+ var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel);
+ return heap.subarray(toTypedArrayIndex(pixels, heap), toTypedArrayIndex(pixels + bytes, heap));
+};
+
+var _emscripten_glReadPixels = (x, y, width, height, format, type, pixels) => {
+ if (GL.currentContext.version >= 2) {
+ if (GLctx.currentPixelPackBufferBinding) {
+ GLctx.readPixels(x, y, width, height, format, type, pixels);
+ return;
+ }
+ var heap = heapObjectForWebGLType(type);
+ var target = toTypedArrayIndex(pixels, heap);
+ GLctx.readPixels(x, y, width, height, format, type, heap, target);
+ return;
+ }
+ var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
+ if (!pixelData) {
+ GL.recordError(1280);
+ return;
+ }
+ GLctx.readPixels(x, y, width, height, format, type, pixelData);
+};
+
+var _glReadPixels = _emscripten_glReadPixels;
+
+var _emscripten_glShaderSource = (shader, count, string, length) => {
+ var source = GL.getSource(shader, count, string, length);
+ GLctx.shaderSource(GL.shaders[shader], source);
+};
+
+var _glShaderSource = _emscripten_glShaderSource;
+
+var _emscripten_glTexImage2D = (target, level, internalFormat, width, height, border, format, type, pixels) => {
+ if (GL.currentContext.version >= 2) {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
+ return;
+ }
+ if (pixels) {
+ var heap = heapObjectForWebGLType(type);
+ var index = toTypedArrayIndex(pixels, heap);
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, index);
+ return;
+ }
+ }
+ var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
+};
+
+var _glTexImage2D = _emscripten_glTexImage2D;
+
+var _emscripten_glTexParameterf = (x0, x1, x2) => GLctx.texParameterf(x0, x1, x2);
+
+var _glTexParameterf = _emscripten_glTexParameterf;
+
+var _emscripten_glTexParameterfv = (target, pname, params) => {
+ var param = HEAPF32[((params) >> 2)];
+ GLctx.texParameterf(target, pname, param);
+};
+
+var _glTexParameterfv = _emscripten_glTexParameterfv;
+
+var _emscripten_glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);
+
+var _glTexParameteri = _emscripten_glTexParameteri;
+
+var _emscripten_glTexStorage2D = (x0, x1, x2, x3, x4) => GLctx.texStorage2D(x0, x1, x2, x3, x4);
+
+var _glTexStorage2D = _emscripten_glTexStorage2D;
+
+var _emscripten_glTexStorage3D = (x0, x1, x2, x3, x4, x5) => GLctx.texStorage3D(x0, x1, x2, x3, x4, x5);
+
+var _glTexStorage3D = _emscripten_glTexStorage3D;
+
+var _emscripten_glTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, type, pixels) => {
+ if (GL.currentContext.version >= 2) {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+ GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+ return;
+ }
+ if (pixels) {
+ var heap = heapObjectForWebGLType(type);
+ GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, toTypedArrayIndex(pixels, heap));
+ return;
+ }
+ }
+ var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
+ GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
+};
+
+var _glTexSubImage2D = _emscripten_glTexSubImage2D;
+
+var _emscripten_glTexSubImage3D = (target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) => {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+ GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
+ } else if (pixels) {
+ var heap = heapObjectForWebGLType(type);
+ GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, toTypedArrayIndex(pixels, heap));
+ } else {
+ GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
+ }
+};
+
+var _glTexSubImage3D = _emscripten_glTexSubImage3D;
+
+var webglGetUniformLocation = location => {
+ var p = GLctx.currentProgram;
+ if (p) {
+ var webglLoc = p.uniformLocsById[location];
+ // p.uniformLocsById[location] stores either an integer, or a
+ // WebGLUniformLocation.
+ // If an integer, we have not yet bound the location, so do it now. The
+ // integer value specifies the array index we should bind to.
+ if (typeof webglLoc == "number") {
+ p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? `[${webglLoc}]` : ""));
+ }
+ // Else an already cached WebGLUniformLocation, return it.
+ return webglLoc;
+ } else {
+ GL.recordError(1282);
+ }
+};
+
+var _emscripten_glUniform1f = (location, v0) => {
+ GLctx.uniform1f(webglGetUniformLocation(location), v0);
+};
+
+var _glUniform1f = _emscripten_glUniform1f;
+
+var miniTempWebGLFloatBuffers = [];
+
+var _emscripten_glUniform1fv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count);
+ return;
+ }
+ if (count <= 288) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; ++i) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 4) >> 2));
+ }
+ GLctx.uniform1fv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform1fv = _emscripten_glUniform1fv;
+
+var _emscripten_glUniform1i = (location, v0) => {
+ GLctx.uniform1i(webglGetUniformLocation(location), v0);
+};
+
+var _glUniform1i = _emscripten_glUniform1i;
+
+var _emscripten_glUniform2f = (location, v0, v1) => {
+ GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
+};
+
+var _glUniform2f = _emscripten_glUniform2f;
+
+var _emscripten_glUniform2fv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count * 2);
+ return;
+ }
+ if (count <= 144) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 2;
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; i += 2) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 8) >> 2));
+ }
+ GLctx.uniform2fv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform2fv = _emscripten_glUniform2fv;
+
+var _emscripten_glUniform3f = (location, v0, v1, v2) => {
+ GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
+};
+
+var _glUniform3f = _emscripten_glUniform3f;
+
+var _emscripten_glUniform4f = (location, v0, v1, v2, v3) => {
+ GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
+};
+
+var _glUniform4f = _emscripten_glUniform4f;
+
+var _emscripten_glUniform4fv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count * 4);
+ return;
+ }
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[4 * count];
+ // hoist the heap out of the loop for size and for pthreads+growth.
+ var heap = HEAPF32;
+ value = ((value) >> 2);
+ count *= 4;
+ for (var i = 0; i < count; i += 4) {
+ var dst = value + i;
+ view[i] = heap[dst];
+ view[i + 1] = heap[dst + 1];
+ view[i + 2] = heap[dst + 2];
+ view[i + 3] = heap[dst + 3];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
+ }
+ GLctx.uniform4fv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform4fv = _emscripten_glUniform4fv;
+
+var miniTempWebGLIntBuffers = [];
+
+var _emscripten_glUniform4iv = (location, count, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, ((value) >> 2), count * 4);
+ return;
+ }
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 4;
+ var view = miniTempWebGLIntBuffers[count];
+ for (var i = 0; i < count; i += 4) {
+ view[i] = HEAP32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >> 2)];
+ view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >> 2)];
+ view[i + 3] = HEAP32[(((value) + (4 * i + 12)) >> 2)];
+ }
+ } else {
+ var view = HEAP32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
+ }
+ GLctx.uniform4iv(webglGetUniformLocation(location), view);
+};
+
+var _glUniform4iv = _emscripten_glUniform4iv;
+
+var _emscripten_glUniformBlockBinding = (program, uniformBlockIndex, uniformBlockBinding) => {
+ program = GL.programs[program];
+ GLctx.uniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
+};
+
+var _glUniformBlockBinding = _emscripten_glUniformBlockBinding;
+
+var _emscripten_glUniformMatrix2fv = (location, count, transpose, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 4);
+ return;
+ }
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 4;
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; i += 4) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
+ view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >> 2)];
+ view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
+ }
+ GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
+};
+
+var _glUniformMatrix2fv = _emscripten_glUniformMatrix2fv;
+
+var _emscripten_glUniformMatrix3fv = (location, count, transpose, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 9);
+ return;
+ }
+ if (count <= 32) {
+ // avoid allocation when uploading few enough uniforms
+ count *= 9;
+ var view = miniTempWebGLFloatBuffers[count];
+ for (var i = 0; i < count; i += 9) {
+ view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
+ view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
+ view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >> 2)];
+ view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >> 2)];
+ view[i + 4] = HEAPF32[(((value) + (4 * i + 16)) >> 2)];
+ view[i + 5] = HEAPF32[(((value) + (4 * i + 20)) >> 2)];
+ view[i + 6] = HEAPF32[(((value) + (4 * i + 24)) >> 2)];
+ view[i + 7] = HEAPF32[(((value) + (4 * i + 28)) >> 2)];
+ view[i + 8] = HEAPF32[(((value) + (4 * i + 32)) >> 2)];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 36) >> 2));
+ }
+ GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
+};
+
+var _glUniformMatrix3fv = _emscripten_glUniformMatrix3fv;
+
+var _emscripten_glUniformMatrix4fv = (location, count, transpose, value) => {
+ if (GL.currentContext.version >= 2) {
+ count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 16);
+ return;
+ }
+ if (count <= 18) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[16 * count];
+ // hoist the heap out of the loop for size and for pthreads+growth.
+ var heap = HEAPF32;
+ value = ((value) >> 2);
+ count *= 16;
+ for (var i = 0; i < count; i += 16) {
+ var dst = value + i;
+ view[i] = heap[dst];
+ view[i + 1] = heap[dst + 1];
+ view[i + 2] = heap[dst + 2];
+ view[i + 3] = heap[dst + 3];
+ view[i + 4] = heap[dst + 4];
+ view[i + 5] = heap[dst + 5];
+ view[i + 6] = heap[dst + 6];
+ view[i + 7] = heap[dst + 7];
+ view[i + 8] = heap[dst + 8];
+ view[i + 9] = heap[dst + 9];
+ view[i + 10] = heap[dst + 10];
+ view[i + 11] = heap[dst + 11];
+ view[i + 12] = heap[dst + 12];
+ view[i + 13] = heap[dst + 13];
+ view[i + 14] = heap[dst + 14];
+ view[i + 15] = heap[dst + 15];
+ }
+ } else {
+ var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 64) >> 2));
+ }
+ GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
+};
+
+var _glUniformMatrix4fv = _emscripten_glUniformMatrix4fv;
+
+var _emscripten_glUseProgram = program => {
+ program = GL.programs[program];
+ GLctx.useProgram(program);
+ // Record the currently active program so that we can access the uniform
+ // mapping table of that program.
+ GLctx.currentProgram = program;
+};
+
+var _glUseProgram = _emscripten_glUseProgram;
+
+var _emscripten_glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
+ var cb = GL.currentContext.clientBuffers[index];
+ if (!GLctx.currentArrayBufferBinding) {
+ cb.size = size;
+ cb.type = type;
+ cb.normalized = normalized;
+ cb.stride = stride;
+ cb.ptr = ptr;
+ cb.clientside = true;
+ cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
+ this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
+ };
+ return;
+ }
+ cb.clientside = false;
+ GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
+};
+
+var _glVertexAttribPointer = _emscripten_glVertexAttribPointer;
+
+var _emscripten_glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);
+
+var _glViewport = _emscripten_glViewport;
+
+function _mediapipe_find_canvas_event_target(canvasSelector) {
+ let target = findCanvasEventTarget(canvasSelector);
+ // WebGPU-on-worker uses this function to try to grab the canvas, but
+ // doesn't have a DOM element to find. So as a quick patch, if the default
+ // behavior is unsuccessful here then we try a webgpu canvas property
+ // which is set by the user directly on the Module, much like how our old
+ // pipeline used the Module.canvas property. See b/265271517 for details.
+ if (Module && !target) {
+ target = Module.canvasWebGpu;
+ }
+ return Emval.toHandle(target);
+}
+
+function _mediapipe_webgl_tex_image_drawable(drawableHandle) {
+ const drawable = Emval.toValue(drawableHandle);
+ GLctx.texImage2D(GLctx.TEXTURE_2D, 0, GLctx.RGBA, GLctx.RGBA, GLctx.UNSIGNED_BYTE, drawable);
+}
+
+var _random_get = (buffer, size) => randomFill(HEAPU8.subarray(buffer, buffer + size));
+
+var _wgpuCommandEncoderBeginComputePass = (encoderPtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "timestampWrites": WebGPU.makePassTimestampWrites(HEAPU32[(((descriptor) + (12)) >> 2)])
+ };
+ }
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var ptr = _emwgpuCreateComputePassEncoder(0);
+ WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginComputePass(desc));
+ return ptr;
+};
+
+var _wgpuCommandEncoderBeginRenderPass = (encoderPtr, descriptor) => {
+ function makeColorAttachment(caPtr) {
+ var viewPtr = HEAPU32[(((caPtr) + (4)) >> 2)];
+ if (viewPtr === 0) {
+ // Null `view` means no attachment in this slot.
+ return undefined;
+ }
+ var depthSlice = HEAPU32[(((caPtr) + (8)) >> 2)];
+ if (depthSlice == 4294967295) depthSlice = undefined;
+ return {
+ "view": WebGPU.getJsObject(viewPtr),
+ "depthSlice": depthSlice,
+ "resolveTarget": WebGPU.getJsObject(HEAPU32[(((caPtr) + (12)) >> 2)]),
+ "clearValue": WebGPU.makeColor(caPtr + 24),
+ "loadOp": WebGPU.LoadOp[HEAP32[(((caPtr) + (16)) >> 2)]],
+ "storeOp": WebGPU.StoreOp[HEAP32[(((caPtr) + (20)) >> 2)]]
+ };
+ }
+ function makeColorAttachments(count, caPtr) {
+ var attachments = [];
+ for (var i = 0; i < count; ++i) {
+ attachments.push(makeColorAttachment(caPtr + 56 * i));
+ }
+ return attachments;
+ }
+ function makeDepthStencilAttachment(dsaPtr) {
+ if (dsaPtr === 0) return undefined;
+ return {
+ "view": WebGPU.getJsObject(HEAPU32[(((dsaPtr) + (4)) >> 2)]),
+ "depthClearValue": HEAPF32[(((dsaPtr) + (16)) >> 2)],
+ "depthLoadOp": WebGPU.LoadOp[HEAP32[(((dsaPtr) + (8)) >> 2)]],
+ "depthStoreOp": WebGPU.StoreOp[HEAP32[(((dsaPtr) + (12)) >> 2)]],
+ "depthReadOnly": !!(HEAPU32[(((dsaPtr) + (20)) >> 2)]),
+ "stencilClearValue": HEAPU32[(((dsaPtr) + (32)) >> 2)],
+ "stencilLoadOp": WebGPU.LoadOp[HEAP32[(((dsaPtr) + (24)) >> 2)]],
+ "stencilStoreOp": WebGPU.StoreOp[HEAP32[(((dsaPtr) + (28)) >> 2)]],
+ "stencilReadOnly": !!(HEAPU32[(((dsaPtr) + (36)) >> 2)])
+ };
+ }
+ function makeRenderPassDescriptor(descriptor) {
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ var maxDrawCount = undefined;
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var renderPassMaxDrawCount = nextInChainPtr;
+ // Note: The user could have passed a really huge value here, which is technically valid in
+ // C but will not be allowed by WebGPU in JS because of [EnforceRange]. We intentionally
+ // ignore that case because it's not useful - apps can just pick a smaller maxDrawCount.
+ maxDrawCount = readI53FromI64((renderPassMaxDrawCount) + (8));
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "colorAttachments": makeColorAttachments(HEAPU32[(((descriptor) + (12)) >> 2)], HEAPU32[(((descriptor) + (16)) >> 2)]),
+ "depthStencilAttachment": makeDepthStencilAttachment(HEAPU32[(((descriptor) + (20)) >> 2)]),
+ "occlusionQuerySet": WebGPU.getJsObject(HEAPU32[(((descriptor) + (24)) >> 2)]),
+ "timestampWrites": WebGPU.makePassTimestampWrites(HEAPU32[(((descriptor) + (28)) >> 2)]),
+ "maxDrawCount": maxDrawCount
+ };
+ return desc;
+ }
+ var desc = makeRenderPassDescriptor(descriptor);
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var ptr = _emwgpuCreateRenderPassEncoder(0);
+ WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginRenderPass(desc));
+ return ptr;
+};
+
+var _wgpuCommandEncoderCopyBufferToTexture = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var copySize = WebGPU.makeExtent3D(copySizePtr);
+ commandEncoder.copyBufferToTexture(WebGPU.makeTexelCopyBufferInfo(srcPtr), WebGPU.makeTexelCopyTextureInfo(dstPtr), copySize);
+};
+
+var _wgpuCommandEncoderCopyTextureToBuffer = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var copySize = WebGPU.makeExtent3D(copySizePtr);
+ commandEncoder.copyTextureToBuffer(WebGPU.makeTexelCopyTextureInfo(srcPtr), WebGPU.makeTexelCopyBufferInfo(dstPtr), copySize);
+};
+
+var _wgpuCommandEncoderCopyTextureToTexture = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var copySize = WebGPU.makeExtent3D(copySizePtr);
+ commandEncoder.copyTextureToTexture(WebGPU.makeTexelCopyTextureInfo(srcPtr), WebGPU.makeTexelCopyTextureInfo(dstPtr), copySize);
+};
+
+var _wgpuCommandEncoderFinish = (encoderPtr, descriptor) => {
+ // TODO: Use the descriptor.
+ var commandEncoder = WebGPU.getJsObject(encoderPtr);
+ var ptr = _emwgpuCreateCommandBuffer(0);
+ WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.finish());
+ return ptr;
+};
+
+var _wgpuComputePassEncoderDispatchWorkgroups = (passPtr, x, y, z) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ pass.dispatchWorkgroups(x, y, z);
+};
+
+var _wgpuComputePassEncoderEnd = passPtr => {
+ var pass = WebGPU.getJsObject(passPtr);
+ pass.end();
+};
+
+var _wgpuComputePassEncoderSetBindGroup = (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var group = WebGPU.getJsObject(groupPtr);
+ if (dynamicOffsetCount == 0) {
+ pass.setBindGroup(groupIndex, group);
+ } else {
+ pass.setBindGroup(groupIndex, group, HEAPU32, ((dynamicOffsetsPtr) >> 2), dynamicOffsetCount);
+ }
+};
+
+var _wgpuComputePassEncoderSetPipeline = (passPtr, pipelinePtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ pass.setPipeline(pipeline);
+};
+
+var _wgpuComputePipelineGetBindGroupLayout = (pipelinePtr, groupIndex) => {
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ var ptr = _emwgpuCreateBindGroupLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
+ return ptr;
+};
+
+var _wgpuDeviceCreateBindGroup = (devicePtr, descriptor) => {
+ function makeEntry(entryPtr) {
+ var bufferPtr = HEAPU32[(((entryPtr) + (8)) >> 2)];
+ var samplerPtr = HEAPU32[(((entryPtr) + (32)) >> 2)];
+ var textureViewPtr = HEAPU32[(((entryPtr) + (36)) >> 2)];
+ var externalTexturePtr = 0;
+ WebGPU.iterateExtensions(entryPtr, {
+ 14: ptr => {
+ externalTexturePtr = HEAPU32[(((ptr) + (8)) >> 2)];
+ }
+ });
+ var resource;
+ if (bufferPtr) {
+ // Note the sentinel UINT64_MAX will be read as -1.
+ var size = readI53FromI64((entryPtr) + (24));
+ if (size == -1) size = undefined;
+ resource = {
+ "buffer": WebGPU.getJsObject(bufferPtr),
+ "offset": readI53FromI64((entryPtr) + (16)),
+ "size": size
+ };
+ } else {
+ resource = WebGPU.getJsObject(samplerPtr || textureViewPtr || externalTexturePtr);
+ }
+ return {
+ "binding": HEAPU32[(((entryPtr) + (4)) >> 2)],
+ "resource": resource
+ };
+ }
+ function makeEntries(count, entriesPtrs) {
+ var entries = [];
+ for (var i = 0; i < count; ++i) {
+ entries.push(makeEntry(entriesPtrs + 40 * i));
+ }
+ return entries;
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "layout": WebGPU.getJsObject(HEAPU32[(((descriptor) + (12)) >> 2)]),
+ "entries": makeEntries(HEAPU32[(((descriptor) + (16)) >> 2)], HEAPU32[(((descriptor) + (20)) >> 2)])
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateBindGroup(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroup(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateBindGroupLayout = (devicePtr, descriptor) => {
+ function makeBufferEntry(substructPtr) {
+ var typeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!typeInt) return undefined;
+ return {
+ "type": WebGPU.BufferBindingType[typeInt],
+ "hasDynamicOffset": !!(HEAPU32[(((substructPtr) + (8)) >> 2)]),
+ "minBindingSize": readI53FromI64((substructPtr) + (16))
+ };
+ }
+ function makeSamplerEntry(substructPtr) {
+ var typeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!typeInt) return undefined;
+ return {
+ "type": WebGPU.SamplerBindingType[typeInt]
+ };
+ }
+ function makeTextureEntry(substructPtr) {
+ var sampleTypeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!sampleTypeInt) return undefined;
+ return {
+ "sampleType": WebGPU.TextureSampleType[sampleTypeInt],
+ "viewDimension": WebGPU.TextureViewDimension[HEAP32[(((substructPtr) + (8)) >> 2)]],
+ "multisampled": !!(HEAPU32[(((substructPtr) + (12)) >> 2)])
+ };
+ }
+ function makeStorageTextureEntry(substructPtr) {
+ var accessInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
+ if (!accessInt) return undefined;
+ return {
+ "access": WebGPU.StorageTextureAccess[accessInt],
+ "format": WebGPU.TextureFormat[HEAP32[(((substructPtr) + (8)) >> 2)]],
+ "viewDimension": WebGPU.TextureViewDimension[HEAP32[(((substructPtr) + (12)) >> 2)]]
+ };
+ }
+ function makeEntry(entryPtr) {
+ var entry = {
+ "binding": HEAPU32[(((entryPtr) + (4)) >> 2)],
+ "visibility": HEAPU32[(((entryPtr) + (8)) >> 2)],
+ "buffer": makeBufferEntry(entryPtr + 24),
+ "sampler": makeSamplerEntry(entryPtr + 48),
+ "texture": makeTextureEntry(entryPtr + 56),
+ "storageTexture": makeStorageTextureEntry(entryPtr + 72)
+ };
+ WebGPU.iterateExtensions(entryPtr, {
+ 13: ptr => {
+ entry["externalTexture"] = {};
+ }
+ });
+ return entry;
+ }
+ function makeEntries(count, entriesPtrs) {
+ var entries = [];
+ for (var i = 0; i < count; ++i) {
+ entries.push(makeEntry(entriesPtrs + 88 * i));
+ }
+ return entries;
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "entries": makeEntries(HEAPU32[(((descriptor) + (12)) >> 2)], HEAPU32[(((descriptor) + (16)) >> 2)])
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateBindGroupLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroupLayout(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateCommandEncoder = (devicePtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4)
+ };
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateCommandEncoder(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createCommandEncoder(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateComputePipeline = (devicePtr, descriptor) => {
+ var desc = WebGPU.makeComputePipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateComputePipeline(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createComputePipeline(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreatePipelineLayout = (devicePtr, descriptor) => {
+ var bglCount = HEAPU32[(((descriptor) + (12)) >> 2)];
+ var bglPtr = HEAPU32[(((descriptor) + (16)) >> 2)];
+ var bgls = [];
+ for (var i = 0; i < bglCount; ++i) {
+ bgls.push(WebGPU.getJsObject(HEAPU32[(((bglPtr) + (4 * i)) >> 2)]));
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "bindGroupLayouts": bgls
+ };
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreatePipelineLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createPipelineLayout(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateRenderPipeline = (devicePtr, descriptor) => {
+ var desc = WebGPU.makeRenderPipelineDesc(descriptor);
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateRenderPipeline(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createRenderPipeline(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateSampler = (devicePtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "addressModeU": WebGPU.AddressMode[HEAP32[(((descriptor) + (12)) >> 2)]],
+ "addressModeV": WebGPU.AddressMode[HEAP32[(((descriptor) + (16)) >> 2)]],
+ "addressModeW": WebGPU.AddressMode[HEAP32[(((descriptor) + (20)) >> 2)]],
+ "magFilter": WebGPU.FilterMode[HEAP32[(((descriptor) + (24)) >> 2)]],
+ "minFilter": WebGPU.FilterMode[HEAP32[(((descriptor) + (28)) >> 2)]],
+ "mipmapFilter": WebGPU.MipmapFilterMode[HEAP32[(((descriptor) + (32)) >> 2)]],
+ "lodMinClamp": HEAPF32[(((descriptor) + (36)) >> 2)],
+ "lodMaxClamp": HEAPF32[(((descriptor) + (40)) >> 2)],
+ "compare": WebGPU.CompareFunction[HEAP32[(((descriptor) + (44)) >> 2)]],
+ "maxAnisotropy": HEAPU16[(((descriptor) + (48)) >> 1)]
+ };
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateSampler(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createSampler(desc));
+ return ptr;
+};
+
+var _wgpuDeviceCreateTexture = (devicePtr, descriptor) => {
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ var textureBindingViewDimension;
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var textureBindingViewDimensionDescriptor = nextInChainPtr;
+ textureBindingViewDimension = WebGPU.TextureViewDimension[HEAP32[(((textureBindingViewDimensionDescriptor) + (8)) >> 2)]];
+ }
+ var desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "size": WebGPU.makeExtent3D(descriptor + 28),
+ "mipLevelCount": HEAPU32[(((descriptor) + (44)) >> 2)],
+ "sampleCount": HEAPU32[(((descriptor) + (48)) >> 2)],
+ "dimension": WebGPU.TextureDimension[HEAP32[(((descriptor) + (24)) >> 2)]],
+ "format": WebGPU.TextureFormat[HEAP32[(((descriptor) + (40)) >> 2)]],
+ "usage": HEAPU32[(((descriptor) + (16)) >> 2)],
+ "textureBindingViewDimension": textureBindingViewDimension
+ };
+ var viewFormatCount = HEAPU32[(((descriptor) + (52)) >> 2)];
+ if (viewFormatCount) {
+ var viewFormatsPtr = HEAPU32[(((descriptor) + (56)) >> 2)];
+ // viewFormatsPtr pointer to an array of TextureFormat which is an enum of size uint32_t
+ desc["viewFormats"] = Array.from(HEAP32.subarray((((viewFormatsPtr) >> 2)), ((viewFormatsPtr + viewFormatCount * 4) >> 2)), format => WebGPU.TextureFormat[format]);
+ }
+ var device = WebGPU.getJsObject(devicePtr);
+ var ptr = _emwgpuCreateTexture(0);
+ WebGPU.Internals.jsObjectInsert(ptr, device.createTexture(desc));
+ return ptr;
+};
+
+var _wgpuQueueSubmit = (queuePtr, commandCount, commands) => {
+ var queue = WebGPU.getJsObject(queuePtr);
+ var cmds = Array.from(HEAP32.subarray((((commands) >> 2)), ((commands + commandCount * 4) >> 2)), id => WebGPU.getJsObject(id));
+ queue.submit(cmds);
+};
+
+function _wgpuQueueWriteBuffer(queuePtr, bufferPtr, bufferOffset_low, bufferOffset_high, data, size) {
+ var bufferOffset = convertI32PairToI53Checked(bufferOffset_low, bufferOffset_high);
+ var queue = WebGPU.getJsObject(queuePtr);
+ var buffer = WebGPU.getJsObject(bufferPtr);
+ // There is a size limitation for ArrayBufferView. Work around by passing in a subarray
+ // instead of the whole heap. crbug.com/1201109
+ var subarray = HEAPU8.subarray(data, data + size);
+ queue.writeBuffer(buffer, bufferOffset, subarray, 0, size);
+}
+
+var _wgpuQueueWriteTexture = (queuePtr, destinationPtr, data, dataSize, dataLayoutPtr, writeSizePtr) => {
+ var queue = WebGPU.getJsObject(queuePtr);
+ var destination = WebGPU.makeTexelCopyTextureInfo(destinationPtr);
+ var dataLayout = WebGPU.makeTexelCopyBufferLayout(dataLayoutPtr);
+ var writeSize = WebGPU.makeExtent3D(writeSizePtr);
+ // This subarray isn't strictly necessary, but helps work around an issue
+ // where Chromium makes a copy of the entire heap. crbug.com/1134457
+ var subarray = HEAPU8.subarray(data, data + dataSize);
+ queue.writeTexture(destination, subarray, dataLayout, writeSize);
+};
+
+var _wgpuRenderPassEncoderDraw = (passPtr, vertexCount, instanceCount, firstVertex, firstInstance) => {
+ firstVertex >>>= 0;
+ firstInstance >>>= 0;
+ var pass = WebGPU.getJsObject(passPtr);
+ pass.draw(vertexCount, instanceCount, firstVertex, firstInstance);
+};
+
+var _wgpuRenderPassEncoderEnd = encoderPtr => {
+ var encoder = WebGPU.getJsObject(encoderPtr);
+ encoder.end();
+};
+
+var _wgpuRenderPassEncoderSetBindGroup = (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var group = WebGPU.getJsObject(groupPtr);
+ if (dynamicOffsetCount == 0) {
+ pass.setBindGroup(groupIndex, group);
+ } else {
+ pass.setBindGroup(groupIndex, group, HEAPU32, ((dynamicOffsetsPtr) >> 2), dynamicOffsetCount);
+ }
+};
+
+var _wgpuRenderPassEncoderSetPipeline = (passPtr, pipelinePtr) => {
+ var pass = WebGPU.getJsObject(passPtr);
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ pass.setPipeline(pipeline);
+};
+
+var _wgpuRenderPipelineGetBindGroupLayout = (pipelinePtr, groupIndex) => {
+ var pipeline = WebGPU.getJsObject(pipelinePtr);
+ var ptr = _emwgpuCreateBindGroupLayout(0);
+ WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
+ return ptr;
+};
+
+var _wgpuTextureCreateView = (texturePtr, descriptor) => {
+ var desc;
+ if (descriptor) {
+ var swizzle;
+ var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
+ if (nextInChainPtr !== 0) {
+ var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
+ var swizzleDescriptor = nextInChainPtr;
+ var swizzlePtr = swizzleDescriptor + 8;
+ var r = WebGPU.ComponentSwizzle[HEAP32[((swizzlePtr) >> 2)]] || "r";
+ var g = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (4)) >> 2)]] || "g";
+ var b = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (8)) >> 2)]] || "b";
+ var a = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (12)) >> 2)]] || "a";
+ swizzle = `${r}${g}${b}${a}`;
+ }
+ var mipLevelCount = HEAPU32[(((descriptor) + (24)) >> 2)];
+ var arrayLayerCount = HEAPU32[(((descriptor) + (32)) >> 2)];
+ desc = {
+ "label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
+ "format": WebGPU.TextureFormat[HEAP32[(((descriptor) + (12)) >> 2)]],
+ "dimension": WebGPU.TextureViewDimension[HEAP32[(((descriptor) + (16)) >> 2)]],
+ "baseMipLevel": HEAPU32[(((descriptor) + (20)) >> 2)],
+ "mipLevelCount": mipLevelCount === 4294967295 ? undefined : mipLevelCount,
+ "baseArrayLayer": HEAPU32[(((descriptor) + (28)) >> 2)],
+ "arrayLayerCount": arrayLayerCount === 4294967295 ? undefined : arrayLayerCount,
+ "aspect": WebGPU.TextureAspect[HEAP32[(((descriptor) + (36)) >> 2)]],
+ "usage": HEAPU32[(((descriptor) + (40)) >> 2)],
+ "swizzle": swizzle
+ };
+ }
+ var texture = WebGPU.getJsObject(texturePtr);
+ var ptr = _emwgpuCreateTextureView(0);
+ WebGPU.Internals.jsObjectInsert(ptr, texture.createView(desc));
+ return ptr;
+};
+
+var _wgpuTextureDestroy = texturePtr => {
+ WebGPU.getJsObject(texturePtr).destroy();
+};
+
+var _wgpuTextureGetFormat = texturePtr => {
+ var texture = WebGPU.getJsObject(texturePtr);
+ // Should return the enum integer instead of string.
+ return WebGPU.TextureFormat.indexOf(texture.format);
+};
+
+var getCFunc = ident => {
+ var func = Module["_" + ident];
+ // closure exported function
+ return func;
+};
+
+var writeArrayToMemory = (array, buffer) => {
+ HEAP8.set(array, buffer);
+};
+
+/**
+ * @param {string|null=} returnType
+ * @param {Array=} argTypes
+ * @param {Array=} args
+ * @param {Object=} opts
+ */ var ccall = (ident, returnType, argTypes, args, opts) => {
+ // For fast lookup of conversion functions
+ var toC = {
+ "string": str => {
+ var ret = 0;
+ if (str !== null && str !== undefined && str !== 0) {
+ // null string
+ ret = stringToUTF8OnStack(str);
+ }
+ return ret;
+ },
+ "array": arr => {
+ var ret = stackAlloc(arr.length);
+ writeArrayToMemory(arr, ret);
+ return ret;
+ }
+ };
+ function convertReturnValue(ret) {
+ if (returnType === "string") {
+ return UTF8ToString(ret);
+ }
+ if (returnType === "boolean") return Boolean(ret);
+ return ret;
+ }
+ var func = getCFunc(ident);
+ var cArgs = [];
+ var stack = 0;
+ if (args) {
+ for (var i = 0; i < args.length; i++) {
+ var converter = toC[argTypes[i]];
+ if (converter) {
+ if (stack === 0) stack = stackSave();
+ cArgs[i] = converter(args[i]);
+ } else {
+ cArgs[i] = args[i];
+ }
+ }
+ }
+ var ret = func(...cArgs);
+ function onDone(ret) {
+ if (stack !== 0) stackRestore(stack);
+ return convertReturnValue(ret);
+ }
+ ret = onDone(ret);
+ return ret;
+};
+
+var FS_createPath = (...args) => FS.createPath(...args);
+
+var FS_unlink = (...args) => FS.unlink(...args);
+
+var FS_createLazyFile = (...args) => FS.createLazyFile(...args);
+
+var FS_createDevice = (...args) => FS.createDevice(...args);
+
+FS.createPreloadedFile = FS_createPreloadedFile;
+
+FS.preloadFile = FS_preloadFile;
+
+FS.staticInit();
+
+// Signal GL rendering layer that processing of a new frame is about to
+// start. This helps it optimize VBO double-buffering and reduce GPU stalls.
+registerPreMainLoop(() => GL.newRenderingFrameStarted());
+
+for (let i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));
+
+var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
+
+// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
+for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
+ miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i);
+}
+
+var miniTempWebGLIntBuffersStorage = new Int32Array(288);
+
+// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
+for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
+ miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i);
+}
+
+// End JS library code
+// include: postlibrary.js
+// This file is included after the automatically-generated JS library code
+// but before the wasm module is created.
+{
+ // Begin ATMODULES hooks
+ if (Module["preloadPlugins"]) preloadPlugins = Module["preloadPlugins"];
+ if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];
+ if (Module["print"]) out = Module["print"];
+ if (Module["printErr"]) err = Module["printErr"];
+ if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
+ // End ATMODULES hooks
+ if (Module["arguments"]) arguments_ = Module["arguments"];
+ if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
+ if (Module["preInit"]) {
+ if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
+ while (Module["preInit"].length > 0) {
+ Module["preInit"].shift()();
+ }
+ }
+}
+
+// Begin runtime exports
+Module["addRunDependency"] = addRunDependency;
+
+Module["removeRunDependency"] = removeRunDependency;
+
+Module["ccall"] = ccall;
+
+Module["stringToNewUTF8"] = stringToNewUTF8;
+
+Module["FS_preloadFile"] = FS_preloadFile;
+
+Module["FS_unlink"] = FS_unlink;
+
+Module["FS_createPath"] = FS_createPath;
+
+Module["FS_createDevice"] = FS_createDevice;
+
+Module["FS_createDataFile"] = FS_createDataFile;
+
+Module["FS_createLazyFile"] = FS_createLazyFile;
+
+// End runtime exports
+// Begin JS library exports
+// End JS library exports
+// end include: postlibrary.js
+var ASM_CONSTS = {
+ 1461389: $0 => {
+ const canvas = Emval.toValue($0);
+ const context = canvas.getContext("webgpu");
+ return WebGPU.importJsTexture(context.getCurrentTexture());
+ },
+ 1461532: ($0, $1, $2, $3, $4) => {
+ const drawable = Emval.toValue($0);
+ const device = WebGPU.getJsObject($1);
+ const texture = WebGPU.getJsObject($2);
+ const width = $3;
+ const height = $4;
+ device.queue.copyExternalImageToTexture({
+ source: drawable
+ }, {
+ texture
+ }, [ width, height ]);
+ },
+ 1461791: ($0, $1, $2, $3) => {
+ const sourceExtTex = Emval.toValue($0);
+ const device = WebGPU.getJsObject($1);
+ const sampler = WebGPU.getJsObject($2);
+ const bgLayout = WebGPU.getJsObject($3);
+ const bindGroup = device.createBindGroup({
+ layout: bgLayout,
+ entries: [ {
+ binding: 0,
+ resource: sampler
+ }, {
+ binding: 1,
+ resource: sourceExtTex
+ } ]
+ });
+ return WebGPU.importJsBindGroup(bindGroup);
+ },
+ 1462161: ($0, $1) => {
+ const input = Emval.toValue($0);
+ const output = Emval.toValue($1);
+ const ctx = output.getContext("2d");
+ ctx.drawImage(input, 0, 0, output.width, output.height);
+ },
+ 1462326: ($0, $1) => {
+ const inputArray = Emval.toValue($0);
+ const output = Emval.toValue($1);
+ const ctx = output.getContext("2d");
+ const image_data = new ImageData(inputArray, output.width, output.height);
+ ctx.putImageData(image_data, 0, 0);
+ },
+ 1462550: ($0, $1) => {
+ const input = Emval.toValue($0);
+ const outputArray = Emval.toValue($1);
+ const ctx = input.getContext("2d");
+ const data = ctx.getImageData(0, 0, input.width, input.height);
+ outputArray.set(data.data);
+ },
+ 1462754: () => (typeof HTMLCanvasElement !== "undefined"),
+ 1462809: () => !!Module["preinitializedWebGPUDevice"],
+ 1462860: () => {
+ specialHTMLTargets["#canvas"] = Module.canvas;
+ }
+};
+
+function BeginGlQueryTiming(calc_name, num_repetitions) {
+ const gl = Module.canvas.getContext("webgl2");
+ const query = gl.createQuery();
+ Module.WEBGL_SHADER_CALC_METRICS = Module.WEBGL_SHADER_CALC_METRICS || {};
+ Module.WEBGL_SHADER_CALC_METRICS[UTF8ToString(calc_name)] = {
+ query,
+ repetitions: num_repetitions
+ };
+ Module.WEBGL_QUERY_TIMER_EXT = Module.WEBGL_QUERY_TIMER_EXT || gl.getExtension("EXT_disjoint_timer_query_webgl2");
+ gl.beginQuery(Module.WEBGL_QUERY_TIMER_EXT.TIME_ELAPSED_EXT, query);
+}
+
+function EndGlQueryTiming(calc_name) {
+ const gl = Module.canvas.getContext("webgl2");
+ gl.endQuery(Module.WEBGL_QUERY_TIMER_EXT.TIME_ELAPSED_EXT, Module.WEBGL_SHADER_CALC_METRICS[UTF8ToString(calc_name)].query);
+}
+
+function JsWrapImageConverter() {
+ if (!Module._imageConverter) {
+ Module._imageConverter = (binaryPtr, binarySize, width, height, numChannels, makeDeepCopy, outputType) => {
+ const imageData = new outputType(makeDeepCopy ? Module.HEAPU8.slice(binaryPtr, binaryPtr + binarySize).buffer : Module.HEAPU8.buffer, binaryPtr, width * height * numChannels);
+ return {
+ data: imageData,
+ width,
+ height
+ };
+ };
+ }
+}
+
+function JsOnUint8ArrayImageListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Uint8Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, timestamp_ms);
+}
+
+function JsOnFloat32ArrayImageListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Float32Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, timestamp_ms);
+}
+
+function JsOnWebGLTextureListener(output_stream_name, name, width, height, timestamp_ms) {
+ Module._wrapSimpleListenerOutput(output_stream_name, {
+ data: GL.textures[name],
+ width,
+ height
+ }, timestamp_ms);
+}
+
+function JsOnUint8ArrayImageVectorListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Uint8Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, false, timestamp_ms);
+}
+
+function JsOnFloat32ArrayImageVectorListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
+ const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Float32Array);
+ Module._wrapSimpleListenerOutput(output_stream_name, image, false, timestamp_ms);
+}
+
+function JsOnWebGLTextureVectorListener(output_stream_name, name, width, height, timestamp_ms) {
+ Module._wrapSimpleListenerOutput(output_stream_name, {
+ data: GL.textures[name],
+ width,
+ height
+ }, false, timestamp_ms);
+}
+
+function JsOnEmptyPacketListener(output_stream_name, timestamp) {
+ Module._wrapEmptyPacketListenerOutput(output_stream_name, timestamp);
+}
+
+function JsOnVectorFinishedListener(output_stream_name, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, undefined, true, timestamp);
+}
+
+function JsOnSimpleListenerBool(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerBool(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerInt(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerInt(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerUint(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerUint(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerDouble(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerDouble(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerFloat(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
+}
+
+function JsOnVectorListenerFloat(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
+}
+
+function JsOnSimpleListenerString(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), timestamp);
+}
+
+function JsOnVectorListenerString(output_stream_name, out_data, timestamp) {
+ Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), false, timestamp);
+}
+
+function JsOnVectorListenerProto(output_stream_name, proto_ptr, proto_size, make_deep_copy, timestamp) {
+ const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(proto_ptr, proto_ptr + proto_size) : new Uint8Array(Module.HEAPU8.buffer, proto_ptr, proto_size);
+ Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, false, timestamp);
+}
+
+function JsWrapSimpleListeners() {
+ if (!Module._wrapSimpleListenerOutput) {
+ Module._wrapSimpleListenerOutput = (outputStreamName, ...args) => {
+ if (Module.simpleListeners) {
+ const streamName = UTF8ToString(outputStreamName);
+ if (Module.simpleListeners[streamName]) {
+ Module.simpleListeners[streamName](...args);
+ }
+ }
+ };
+ }
+ if (!Module._wrapEmptyPacketListenerOutput) {
+ Module._wrapEmptyPacketListenerOutput = (outputStreamName, timestamp) => {
+ if (Module.emptyPacketListeners) {
+ const streamName = UTF8ToString(outputStreamName);
+ if (Module.emptyPacketListeners[streamName]) {
+ Module.emptyPacketListeners[streamName](timestamp);
+ }
+ }
+ };
+ }
+}
+
+function JsOnSimpleListenerBinaryArray(output_stream_name, binary_ptr, binary_size, make_deep_copy, timestamp) {
+ const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(binary_ptr, binary_ptr + binary_size) : new Uint8Array(Module.HEAPU8.buffer, binary_ptr, binary_size);
+ Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, timestamp);
+}
+
+function mediapipe_import_external_texture(device_handle, source_handle) {
+ const device = WebGPU.getJsObject(device_handle);
+ const source = Emval.toValue(source_handle);
+ const externalTexture = device.importExternalTexture({
+ source
+ });
+ return Emval.toHandle(externalTexture);
+}
+
+function mediapipe_create_utility_canvas2d() {
+ let canvas;
+ if (typeof HTMLCanvasElement !== "undefined") {
+ canvas = document.createElement("canvas");
+ canvas.style.display = "none";
+ } else {
+ canvas = new OffscreenCanvas(0, 0);
+ }
+ return Emval.toHandle(canvas);
+}
+
+function GetAdapterArchitecture() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const architecture = device.adapterInfo ? device.adapterInfo.architecture : "Unknown";
+ return stringToNewUTF8(architecture);
+}
+
+function GetAdapterDescription() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const description = device.adapterInfo ? device.adapterInfo.description : "Unknown";
+ return stringToNewUTF8(description);
+}
+
+function GetAdapterDeviceName() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const deviceName = device.adapterInfo ? device.adapterInfo.device : "Unknown";
+ return stringToNewUTF8(deviceName);
+}
+
+function GetAdapterVendor() {
+ const device = Module["preinitializedWebGPUDevice"];
+ const vendor = device.adapterInfo ? device.adapterInfo.vendor : "Unknown";
+ return stringToNewUTF8(vendor);
+}
+
+function __asyncjs__mediapipe_map_buffer_jspi(buffer_handle, data) {
+ return Asyncify.handleAsync(async () => {
+ const buffer = WebGPU.getJsObject(buffer_handle);
+ if ("mapSync" in buffer) {
+ buffer.mapSync(GPUMapMode.READ);
+ } else {
+ await buffer.mapAsync(GPUMapMode.READ);
+ }
+ const mapped = buffer.getMappedRange();
+ HEAPU8.set(new Uint8Array(mapped), data);
+ buffer.unmap();
+ });
+}
+
+function JsWrapErrorListener(code, message) {
+ if (Module.errorListener) {
+ const stringMessage = UTF8ToString(message);
+ Module.errorListener(code, stringMessage);
+ }
+}
+
+function UseBottomLeftGpuOrigin() {
+ return (Module && Module.gpuOriginForWebTexturesIsBottomLeft);
+}
+
+function custom_emscripten_dbgn(str, len) {
+ if (typeof (dbg) !== "undefined") {
+ dbg(UTF8ToString(str, len));
+ } else {
+ if (typeof (custom_dbg) === "undefined") {
+ function custom_dbg(text) {
+ console.warn.apply(console, arguments);
+ }
+ }
+ custom_dbg(UTF8ToString(str, len));
+ }
+}
+
+// Imports from the Wasm binary.
+var _free, _malloc, _wgpuDeviceAddRef, _addBoundTextureAsImageToStream, _attachImageListener, _attachImageVectorListener, _registerModelResourcesGraphService, _bindTextureToStream, _addBoundTextureToStream, _addDoubleToInputStream, _addFloatToInputStream, _addBoolToInputStream, _addIntToInputStream, _addUintToInputStream, _addStringToInputStream, _addRawDataSpanToInputStream, _allocateBoolVector, _allocateFloatVector, _allocateDoubleVector, _allocateIntVector, _allocateUintVector, _allocateStringVector, _addBoolVectorEntry, _addFloatVectorEntry, _addDoubleVectorEntry, _addIntVectorEntry, _addUintVectorEntry, _addStringVectorEntry, _addBoolVectorToInputStream, _addFloatVectorToInputStream, _addDoubleVectorToInputStream, _addIntVectorToInputStream, _addUintVectorToInputStream, _addStringVectorToInputStream, _addFlatHashMapToInputStream, _addProtoToInputStream, _addEmptyPacketToInputStream, _addBoolToInputSidePacket, _addDoubleToInputSidePacket, _addFloatToInputSidePacket, _addIntToInputSidePacket, _addUintToInputSidePacket, _addStringToInputSidePacket, _addRawDataSpanToInputSidePacket, _addProtoToInputSidePacket, _addBoolVectorToInputSidePacket, _addDoubleVectorToInputSidePacket, _addFloatVectorToInputSidePacket, _addIntVectorToInputSidePacket, _addUintVectorToInputSidePacket, _addStringVectorToInputSidePacket, _attachBoolListener, _attachBoolVectorListener, _attachDoubleListener, _attachDoubleVectorListener, _attachFloatListener, _attachFloatVectorListener, _attachIntListener, _attachIntVectorListener, _attachUintListener, _attachUintVectorListener, _attachStringListener, _attachStringVectorListener, _attachProtoListener, _attachProtoVectorListener, _getGraphConfig, ___getTypeName, _emwgpuCreateBindGroup, _emwgpuCreateBindGroupLayout, _emwgpuCreateCommandBuffer, _emwgpuCreateCommandEncoder, _emwgpuCreateComputePassEncoder, _emwgpuCreateComputePipeline, _emwgpuCreateExternalTexture, _emwgpuCreatePipelineLayout, _emwgpuCreateQuerySet, _emwgpuCreateRenderBundle, _emwgpuCreateRenderBundleEncoder, _emwgpuCreateRenderPassEncoder, _emwgpuCreateRenderPipeline, _emwgpuCreateSampler, _emwgpuCreateSurface, _emwgpuCreateTexture, _emwgpuCreateTextureView, _emwgpuCreateAdapter, _emwgpuImportBuffer, _emwgpuCreateDevice, _emwgpuCreateQueue, _emwgpuCreateShaderModule, _emwgpuOnCreateComputePipelineCompleted, _emwgpuOnCreateRenderPipelineCompleted, _clearSubgraphs, _pushBinarySubgraph, _pushTextSubgraph, _changeBinaryGraph, _changeTextGraph, _processGl, _process, _bindTextureToCanvas, _requestShaderRefreshOnGraphChange, _waitUntilIdle, _closeGraph, _setAutoRenderToScreen, _emscripten_builtin_memalign, _memalign, __emscripten_tempret_set, __emscripten_stack_restore, __emscripten_stack_alloc, _emscripten_stack_get_current, dynCall_ji, dynCall_jii, dynCall_iiiijij, dynCall_viiji, dynCall_viji, dynCall_iiiji, dynCall_jjj, dynCall_iiiijj, dynCall_viijj, dynCall_viiijjj, dynCall_vij, dynCall_viiiji, dynCall_viijii, dynCall_vijjj, dynCall_vj, dynCall_viij, dynCall_jiji, dynCall_iiiiij, dynCall_iiiiijj, dynCall_iiiiiijj, memory, _kVersionStampBuildChangelistStr, _kVersionStampCitcSnapshotStr, _kVersionStampCitcWorkspaceIdStr, _kVersionStampSourceUriStr, _kVersionStampBuildClientStr, _kVersionStampBuildClientMintStatusStr, _kVersionStampBuildCompilerStr, _kVersionStampBuildDateTimePstStr, _kVersionStampBuildDepotPathStr, _kVersionStampBuildIdStr, _kVersionStampBuildInfoStr, _kVersionStampBuildLabelStr, _kVersionStampBuildTargetStr, _kVersionStampBuildTimestampStr, _kVersionStampBuildToolStr, _kVersionStampG3BuildTargetStr, _kVersionStampVerifiableStr, _kVersionStampBuildFdoTypeStr, _kVersionStampBuildBaselineChangelistStr, _kVersionStampBuildLtoTypeStr, _kVersionStampBuildPropellerTypeStr, _kVersionStampBuildPghoTypeStr, _kVersionStampBuildUsernameStr, _kVersionStampBuildHostnameStr, _kVersionStampBuildDirectoryStr, _kVersionStampBuildChangelistInt, _kVersionStampCitcSnapshotInt, _kVersionStampBuildClientMintStatusInt, _kVersionStampBuildTimestampInt, _kVersionStampVerifiableInt, _kVersionStampBuildCoverageEnabledInt, _kVersionStampBuildBaselineChangelistInt, _kVersionStampPrecookedTimestampStr, _kVersionStampPrecookedClientInfoStr, __indirect_function_table, wasmMemory, wasmTable;
+
+function assignWasmExports(wasmExports) {
+ _free = Module["_free"] = wasmExports["Sd"];
+ _malloc = Module["_malloc"] = wasmExports["Td"];
+ _wgpuDeviceAddRef = wasmExports["Ud"];
+ _addBoundTextureAsImageToStream = Module["_addBoundTextureAsImageToStream"] = wasmExports["Vd"];
+ _attachImageListener = Module["_attachImageListener"] = wasmExports["Wd"];
+ _attachImageVectorListener = Module["_attachImageVectorListener"] = wasmExports["Xd"];
+ _registerModelResourcesGraphService = Module["_registerModelResourcesGraphService"] = wasmExports["Yd"];
+ _bindTextureToStream = Module["_bindTextureToStream"] = wasmExports["Zd"];
+ _addBoundTextureToStream = Module["_addBoundTextureToStream"] = wasmExports["_d"];
+ _addDoubleToInputStream = Module["_addDoubleToInputStream"] = wasmExports["$d"];
+ _addFloatToInputStream = Module["_addFloatToInputStream"] = wasmExports["ae"];
+ _addBoolToInputStream = Module["_addBoolToInputStream"] = wasmExports["be"];
+ _addIntToInputStream = Module["_addIntToInputStream"] = wasmExports["ce"];
+ _addUintToInputStream = Module["_addUintToInputStream"] = wasmExports["de"];
+ _addStringToInputStream = Module["_addStringToInputStream"] = wasmExports["ee"];
+ _addRawDataSpanToInputStream = Module["_addRawDataSpanToInputStream"] = wasmExports["fe"];
+ _allocateBoolVector = Module["_allocateBoolVector"] = wasmExports["ge"];
+ _allocateFloatVector = Module["_allocateFloatVector"] = wasmExports["he"];
+ _allocateDoubleVector = Module["_allocateDoubleVector"] = wasmExports["ie"];
+ _allocateIntVector = Module["_allocateIntVector"] = wasmExports["je"];
+ _allocateUintVector = Module["_allocateUintVector"] = wasmExports["ke"];
+ _allocateStringVector = Module["_allocateStringVector"] = wasmExports["le"];
+ _addBoolVectorEntry = Module["_addBoolVectorEntry"] = wasmExports["me"];
+ _addFloatVectorEntry = Module["_addFloatVectorEntry"] = wasmExports["ne"];
+ _addDoubleVectorEntry = Module["_addDoubleVectorEntry"] = wasmExports["oe"];
+ _addIntVectorEntry = Module["_addIntVectorEntry"] = wasmExports["pe"];
+ _addUintVectorEntry = Module["_addUintVectorEntry"] = wasmExports["qe"];
+ _addStringVectorEntry = Module["_addStringVectorEntry"] = wasmExports["re"];
+ _addBoolVectorToInputStream = Module["_addBoolVectorToInputStream"] = wasmExports["se"];
+ _addFloatVectorToInputStream = Module["_addFloatVectorToInputStream"] = wasmExports["te"];
+ _addDoubleVectorToInputStream = Module["_addDoubleVectorToInputStream"] = wasmExports["ue"];
+ _addIntVectorToInputStream = Module["_addIntVectorToInputStream"] = wasmExports["ve"];
+ _addUintVectorToInputStream = Module["_addUintVectorToInputStream"] = wasmExports["we"];
+ _addStringVectorToInputStream = Module["_addStringVectorToInputStream"] = wasmExports["xe"];
+ _addFlatHashMapToInputStream = Module["_addFlatHashMapToInputStream"] = wasmExports["ye"];
+ _addProtoToInputStream = Module["_addProtoToInputStream"] = wasmExports["ze"];
+ _addEmptyPacketToInputStream = Module["_addEmptyPacketToInputStream"] = wasmExports["Ae"];
+ _addBoolToInputSidePacket = Module["_addBoolToInputSidePacket"] = wasmExports["Be"];
+ _addDoubleToInputSidePacket = Module["_addDoubleToInputSidePacket"] = wasmExports["Ce"];
+ _addFloatToInputSidePacket = Module["_addFloatToInputSidePacket"] = wasmExports["De"];
+ _addIntToInputSidePacket = Module["_addIntToInputSidePacket"] = wasmExports["Ee"];
+ _addUintToInputSidePacket = Module["_addUintToInputSidePacket"] = wasmExports["Fe"];
+ _addStringToInputSidePacket = Module["_addStringToInputSidePacket"] = wasmExports["Ge"];
+ _addRawDataSpanToInputSidePacket = Module["_addRawDataSpanToInputSidePacket"] = wasmExports["He"];
+ _addProtoToInputSidePacket = Module["_addProtoToInputSidePacket"] = wasmExports["Ie"];
+ _addBoolVectorToInputSidePacket = Module["_addBoolVectorToInputSidePacket"] = wasmExports["Je"];
+ _addDoubleVectorToInputSidePacket = Module["_addDoubleVectorToInputSidePacket"] = wasmExports["Ke"];
+ _addFloatVectorToInputSidePacket = Module["_addFloatVectorToInputSidePacket"] = wasmExports["Le"];
+ _addIntVectorToInputSidePacket = Module["_addIntVectorToInputSidePacket"] = wasmExports["Me"];
+ _addUintVectorToInputSidePacket = Module["_addUintVectorToInputSidePacket"] = wasmExports["Ne"];
+ _addStringVectorToInputSidePacket = Module["_addStringVectorToInputSidePacket"] = wasmExports["Oe"];
+ _attachBoolListener = Module["_attachBoolListener"] = wasmExports["Pe"];
+ _attachBoolVectorListener = Module["_attachBoolVectorListener"] = wasmExports["Qe"];
+ _attachDoubleListener = Module["_attachDoubleListener"] = wasmExports["Re"];
+ _attachDoubleVectorListener = Module["_attachDoubleVectorListener"] = wasmExports["Se"];
+ _attachFloatListener = Module["_attachFloatListener"] = wasmExports["Te"];
+ _attachFloatVectorListener = Module["_attachFloatVectorListener"] = wasmExports["Ue"];
+ _attachIntListener = Module["_attachIntListener"] = wasmExports["Ve"];
+ _attachIntVectorListener = Module["_attachIntVectorListener"] = wasmExports["We"];
+ _attachUintListener = Module["_attachUintListener"] = wasmExports["Xe"];
+ _attachUintVectorListener = Module["_attachUintVectorListener"] = wasmExports["Ye"];
+ _attachStringListener = Module["_attachStringListener"] = wasmExports["Ze"];
+ _attachStringVectorListener = Module["_attachStringVectorListener"] = wasmExports["_e"];
+ _attachProtoListener = Module["_attachProtoListener"] = wasmExports["$e"];
+ _attachProtoVectorListener = Module["_attachProtoVectorListener"] = wasmExports["af"];
+ _getGraphConfig = Module["_getGraphConfig"] = wasmExports["bf"];
+ ___getTypeName = wasmExports["cf"];
+ _emwgpuCreateBindGroup = wasmExports["df"];
+ _emwgpuCreateBindGroupLayout = wasmExports["ef"];
+ _emwgpuCreateCommandBuffer = wasmExports["ff"];
+ _emwgpuCreateCommandEncoder = wasmExports["gf"];
+ _emwgpuCreateComputePassEncoder = wasmExports["hf"];
+ _emwgpuCreateComputePipeline = wasmExports["jf"];
+ _emwgpuCreateExternalTexture = wasmExports["kf"];
+ _emwgpuCreatePipelineLayout = wasmExports["lf"];
+ _emwgpuCreateQuerySet = wasmExports["mf"];
+ _emwgpuCreateRenderBundle = wasmExports["nf"];
+ _emwgpuCreateRenderBundleEncoder = wasmExports["of"];
+ _emwgpuCreateRenderPassEncoder = wasmExports["pf"];
+ _emwgpuCreateRenderPipeline = wasmExports["qf"];
+ _emwgpuCreateSampler = wasmExports["rf"];
+ _emwgpuCreateSurface = wasmExports["sf"];
+ _emwgpuCreateTexture = wasmExports["tf"];
+ _emwgpuCreateTextureView = wasmExports["uf"];
+ _emwgpuCreateAdapter = wasmExports["vf"];
+ _emwgpuImportBuffer = wasmExports["wf"];
+ _emwgpuCreateDevice = wasmExports["xf"];
+ _emwgpuCreateQueue = wasmExports["yf"];
+ _emwgpuCreateShaderModule = wasmExports["zf"];
+ _emwgpuOnCreateComputePipelineCompleted = wasmExports["Af"];
+ _emwgpuOnCreateRenderPipelineCompleted = wasmExports["Bf"];
+ _clearSubgraphs = Module["_clearSubgraphs"] = wasmExports["Cf"];
+ _pushBinarySubgraph = Module["_pushBinarySubgraph"] = wasmExports["Df"];
+ _pushTextSubgraph = Module["_pushTextSubgraph"] = wasmExports["Ef"];
+ _changeBinaryGraph = Module["_changeBinaryGraph"] = wasmExports["Ff"];
+ _changeTextGraph = Module["_changeTextGraph"] = wasmExports["Gf"];
+ _processGl = Module["_processGl"] = wasmExports["Hf"];
+ _process = Module["_process"] = wasmExports["If"];
+ _bindTextureToCanvas = Module["_bindTextureToCanvas"] = wasmExports["Jf"];
+ _requestShaderRefreshOnGraphChange = Module["_requestShaderRefreshOnGraphChange"] = wasmExports["Kf"];
+ _waitUntilIdle = Module["_waitUntilIdle"] = wasmExports["Lf"];
+ _closeGraph = Module["_closeGraph"] = wasmExports["Mf"];
+ _setAutoRenderToScreen = Module["_setAutoRenderToScreen"] = wasmExports["Nf"];
+ _emscripten_builtin_memalign = wasmExports["Of"];
+ _memalign = wasmExports["Pf"];
+ __emscripten_tempret_set = wasmExports["Qf"];
+ __emscripten_stack_restore = wasmExports["Rf"];
+ __emscripten_stack_alloc = wasmExports["Sf"];
+ _emscripten_stack_get_current = wasmExports["Tf"];
+ dynCall_ji = wasmExports["dynCall_ji"];
+ dynCall_jii = wasmExports["dynCall_jii"];
+ dynCall_iiiijij = wasmExports["dynCall_iiiijij"];
+ dynCall_viiji = wasmExports["dynCall_viiji"];
+ dynCall_viji = wasmExports["dynCall_viji"];
+ dynCall_iiiji = wasmExports["dynCall_iiiji"];
+ dynCall_jjj = wasmExports["dynCall_jjj"];
+ dynCall_iiiijj = wasmExports["dynCall_iiiijj"];
+ dynCall_viijj = wasmExports["dynCall_viijj"];
+ dynCall_viiijjj = wasmExports["dynCall_viiijjj"];
+ dynCall_vij = wasmExports["dynCall_vij"];
+ dynCall_viiiji = wasmExports["dynCall_viiiji"];
+ dynCall_viijii = wasmExports["dynCall_viijii"];
+ dynCall_vijjj = wasmExports["dynCall_vijjj"];
+ dynCall_vj = wasmExports["dynCall_vj"];
+ dynCall_viij = wasmExports["dynCall_viij"];
+ dynCall_jiji = wasmExports["dynCall_jiji"];
+ dynCall_iiiiij = wasmExports["dynCall_iiiiij"];
+ dynCall_iiiiijj = wasmExports["dynCall_iiiiijj"];
+ dynCall_iiiiiijj = wasmExports["dynCall_iiiiiijj"];
+ memory = wasmMemory = wasmExports["hd"];
+ _kVersionStampBuildChangelistStr = Module["_kVersionStampBuildChangelistStr"] = wasmExports["jd"].value;
+ _kVersionStampCitcSnapshotStr = Module["_kVersionStampCitcSnapshotStr"] = wasmExports["kd"].value;
+ _kVersionStampCitcWorkspaceIdStr = Module["_kVersionStampCitcWorkspaceIdStr"] = wasmExports["ld"].value;
+ _kVersionStampSourceUriStr = Module["_kVersionStampSourceUriStr"] = wasmExports["md"].value;
+ _kVersionStampBuildClientStr = Module["_kVersionStampBuildClientStr"] = wasmExports["nd"].value;
+ _kVersionStampBuildClientMintStatusStr = Module["_kVersionStampBuildClientMintStatusStr"] = wasmExports["od"].value;
+ _kVersionStampBuildCompilerStr = Module["_kVersionStampBuildCompilerStr"] = wasmExports["pd"].value;
+ _kVersionStampBuildDateTimePstStr = Module["_kVersionStampBuildDateTimePstStr"] = wasmExports["qd"].value;
+ _kVersionStampBuildDepotPathStr = Module["_kVersionStampBuildDepotPathStr"] = wasmExports["rd"].value;
+ _kVersionStampBuildIdStr = Module["_kVersionStampBuildIdStr"] = wasmExports["sd"].value;
+ _kVersionStampBuildInfoStr = Module["_kVersionStampBuildInfoStr"] = wasmExports["td"].value;
+ _kVersionStampBuildLabelStr = Module["_kVersionStampBuildLabelStr"] = wasmExports["ud"].value;
+ _kVersionStampBuildTargetStr = Module["_kVersionStampBuildTargetStr"] = wasmExports["vd"].value;
+ _kVersionStampBuildTimestampStr = Module["_kVersionStampBuildTimestampStr"] = wasmExports["wd"].value;
+ _kVersionStampBuildToolStr = Module["_kVersionStampBuildToolStr"] = wasmExports["xd"].value;
+ _kVersionStampG3BuildTargetStr = Module["_kVersionStampG3BuildTargetStr"] = wasmExports["yd"].value;
+ _kVersionStampVerifiableStr = Module["_kVersionStampVerifiableStr"] = wasmExports["zd"].value;
+ _kVersionStampBuildFdoTypeStr = Module["_kVersionStampBuildFdoTypeStr"] = wasmExports["Ad"].value;
+ _kVersionStampBuildBaselineChangelistStr = Module["_kVersionStampBuildBaselineChangelistStr"] = wasmExports["Bd"].value;
+ _kVersionStampBuildLtoTypeStr = Module["_kVersionStampBuildLtoTypeStr"] = wasmExports["Cd"].value;
+ _kVersionStampBuildPropellerTypeStr = Module["_kVersionStampBuildPropellerTypeStr"] = wasmExports["Dd"].value;
+ _kVersionStampBuildPghoTypeStr = Module["_kVersionStampBuildPghoTypeStr"] = wasmExports["Ed"].value;
+ _kVersionStampBuildUsernameStr = Module["_kVersionStampBuildUsernameStr"] = wasmExports["Fd"].value;
+ _kVersionStampBuildHostnameStr = Module["_kVersionStampBuildHostnameStr"] = wasmExports["Gd"].value;
+ _kVersionStampBuildDirectoryStr = Module["_kVersionStampBuildDirectoryStr"] = wasmExports["Hd"].value;
+ _kVersionStampBuildChangelistInt = Module["_kVersionStampBuildChangelistInt"] = wasmExports["Id"].value;
+ _kVersionStampCitcSnapshotInt = Module["_kVersionStampCitcSnapshotInt"] = wasmExports["Jd"].value;
+ _kVersionStampBuildClientMintStatusInt = Module["_kVersionStampBuildClientMintStatusInt"] = wasmExports["Kd"].value;
+ _kVersionStampBuildTimestampInt = Module["_kVersionStampBuildTimestampInt"] = wasmExports["Ld"].value;
+ _kVersionStampVerifiableInt = Module["_kVersionStampVerifiableInt"] = wasmExports["Md"].value;
+ _kVersionStampBuildCoverageEnabledInt = Module["_kVersionStampBuildCoverageEnabledInt"] = wasmExports["Nd"].value;
+ _kVersionStampBuildBaselineChangelistInt = Module["_kVersionStampBuildBaselineChangelistInt"] = wasmExports["Od"].value;
+ _kVersionStampPrecookedTimestampStr = Module["_kVersionStampPrecookedTimestampStr"] = wasmExports["Pd"].value;
+ _kVersionStampPrecookedClientInfoStr = Module["_kVersionStampPrecookedClientInfoStr"] = wasmExports["Qd"].value;
+ __indirect_function_table = wasmTable = wasmExports["Rd"];
+}
+
+var wasmImports = {
+ /** @export */ gd: BeginGlQueryTiming,
+ /** @export */ fd: EndGlQueryTiming,
+ /** @export */ ed: GetAdapterArchitecture,
+ /** @export */ dd: GetAdapterDescription,
+ /** @export */ cd: GetAdapterDeviceName,
+ /** @export */ bd: GetAdapterVendor,
+ /** @export */ ad: JsOnEmptyPacketListener,
+ /** @export */ $c: JsOnFloat32ArrayImageListener,
+ /** @export */ _c: JsOnFloat32ArrayImageVectorListener,
+ /** @export */ ob: JsOnSimpleListenerBinaryArray,
+ /** @export */ Zc: JsOnSimpleListenerBool,
+ /** @export */ Yc: JsOnSimpleListenerDouble,
+ /** @export */ Xc: JsOnSimpleListenerFloat,
+ /** @export */ Wc: JsOnSimpleListenerInt,
+ /** @export */ Vc: JsOnSimpleListenerString,
+ /** @export */ Uc: JsOnSimpleListenerUint,
+ /** @export */ Tc: JsOnUint8ArrayImageListener,
+ /** @export */ Sc: JsOnUint8ArrayImageVectorListener,
+ /** @export */ P: JsOnVectorFinishedListener,
+ /** @export */ Rc: JsOnVectorListenerBool,
+ /** @export */ Qc: JsOnVectorListenerDouble,
+ /** @export */ Pc: JsOnVectorListenerFloat,
+ /** @export */ Oc: JsOnVectorListenerInt,
+ /** @export */ Nc: JsOnVectorListenerProto,
+ /** @export */ Mc: JsOnVectorListenerString,
+ /** @export */ Lc: JsOnVectorListenerUint,
+ /** @export */ Kc: JsOnWebGLTextureListener,
+ /** @export */ Jc: JsOnWebGLTextureVectorListener,
+ /** @export */ Oa: JsWrapErrorListener,
+ /** @export */ nb: JsWrapImageConverter,
+ /** @export */ u: JsWrapSimpleListeners,
+ /** @export */ mb: UseBottomLeftGpuOrigin,
+ /** @export */ xb: __asyncjs__mediapipe_map_buffer_jspi,
+ /** @export */ r: ___cxa_throw,
+ /** @export */ Ic: ___syscall_dup,
+ /** @export */ Hc: ___syscall_faccessat,
+ /** @export */ lb: ___syscall_fcntl64,
+ /** @export */ Gc: ___syscall_fstat64,
+ /** @export */ Lb: ___syscall_ftruncate64,
+ /** @export */ Fc: ___syscall_ioctl,
+ /** @export */ Ec: ___syscall_lstat64,
+ /** @export */ Dc: ___syscall_newfstatat,
+ /** @export */ kb: ___syscall_openat,
+ /** @export */ Cc: ___syscall_stat64,
+ /** @export */ xc: __abort_js,
+ /** @export */ Ib: __embind_register_bigint,
+ /** @export */ wc: __embind_register_bool,
+ /** @export */ vc: __embind_register_emval,
+ /** @export */ ib: __embind_register_float,
+ /** @export */ J: __embind_register_integer,
+ /** @export */ q: __embind_register_memory_view,
+ /** @export */ uc: __embind_register_std_string,
+ /** @export */ La: __embind_register_std_wstring,
+ /** @export */ tc: __embind_register_void,
+ /** @export */ $: __emval_create_invoker,
+ /** @export */ p: __emval_decref,
+ /** @export */ Ka: __emval_get_global,
+ /** @export */ hb: __emval_get_property,
+ /** @export */ ja: __emval_incref,
+ /** @export */ Ja: __emval_instanceof,
+ /** @export */ _: __emval_invoke,
+ /** @export */ ua: __emval_new_cstring,
+ /** @export */ Z: __emval_run_destructors,
+ /** @export */ gb: __emval_set_property,
+ /** @export */ sc: __emval_typeof,
+ /** @export */ Hb: __gmtime_js,
+ /** @export */ Gb: __localtime_js,
+ /** @export */ Fb: __mktime_js,
+ /** @export */ Eb: __mmap_js,
+ /** @export */ Db: __munmap_js,
+ /** @export */ rc: __tzset_js,
+ /** @export */ Kb: _clock_time_get,
+ /** @export */ qc: custom_emscripten_dbgn,
+ /** @export */ Y: _emscripten_asm_const_int,
+ /** @export */ fb: _emscripten_asm_const_ptr,
+ /** @export */ Ia: _emscripten_errn,
+ /** @export */ pc: _emscripten_get_heap_max,
+ /** @export */ y: _emscripten_get_now,
+ /** @export */ ia: _emscripten_has_asyncify,
+ /** @export */ oc: _emscripten_outn,
+ /** @export */ nc: _emscripten_pc_get_function,
+ /** @export */ mc: _emscripten_resize_heap,
+ /** @export */ eb: _emscripten_stack_snapshot,
+ /** @export */ lc: _emscripten_stack_unwind_buffer,
+ /** @export */ kc: _emscripten_webgl_create_context,
+ /** @export */ jc: _emscripten_webgl_destroy_context,
+ /** @export */ ic: _emscripten_webgl_get_context_attributes,
+ /** @export */ ha: _emscripten_webgl_get_current_context,
+ /** @export */ hc: _emscripten_webgl_make_context_current,
+ /** @export */ R: _emscripten_webgpu_get_device,
+ /** @export */ gc: _emwgpuBufferDestroy,
+ /** @export */ fc: _emwgpuBufferGetMappedRange,
+ /** @export */ ec: _emwgpuBufferUnmap,
+ /** @export */ x: _emwgpuDelete,
+ /** @export */ dc: _emwgpuDeviceCreateBuffer,
+ /** @export */ Cb: _emwgpuDeviceCreateComputePipelineAsync,
+ /** @export */ Bb: _emwgpuDeviceCreateRenderPipelineAsync,
+ /** @export */ cc: _emwgpuDeviceCreateShaderModule,
+ /** @export */ bc: _emwgpuDeviceDestroy,
+ /** @export */ ac: _emwgpuWaitAny,
+ /** @export */ Bc: _environ_get,
+ /** @export */ Ac: _environ_sizes_get,
+ /** @export */ db: _exit,
+ /** @export */ Na: _fd_close,
+ /** @export */ jb: _fd_read,
+ /** @export */ Jb: _fd_seek,
+ /** @export */ Ma: _fd_write,
+ /** @export */ b: _glActiveTexture,
+ /** @export */ ta: _glAttachShader,
+ /** @export */ $b: _glBindAttribLocation,
+ /** @export */ c: _glBindBuffer,
+ /** @export */ cb: _glBindBufferBase,
+ /** @export */ t: _glBindFramebuffer,
+ /** @export */ a: _glBindTexture,
+ /** @export */ m: _glBindVertexArray,
+ /** @export */ bb: _glBlendEquation,
+ /** @export */ _b: _glBlendFunc,
+ /** @export */ j: _glBufferData,
+ /** @export */ I: _glClear,
+ /** @export */ H: _glClearColor,
+ /** @export */ da: _glClientWaitSync,
+ /** @export */ ga: _glColorMask,
+ /** @export */ ab: _glCompileShader,
+ /** @export */ $a: _glCreateProgram,
+ /** @export */ _a: _glCreateShader,
+ /** @export */ o: _glDeleteBuffers,
+ /** @export */ Q: _glDeleteFramebuffers,
+ /** @export */ h: _glDeleteProgram,
+ /** @export */ sa: _glDeleteShader,
+ /** @export */ ra: _glDeleteSync,
+ /** @export */ D: _glDeleteTextures,
+ /** @export */ A: _glDeleteVertexArrays,
+ /** @export */ Za: _glDetachShader,
+ /** @export */ G: _glDisable,
+ /** @export */ n: _glDisableVertexAttribArray,
+ /** @export */ i: _glDrawArrays,
+ /** @export */ fa: _glDrawBuffers,
+ /** @export */ Zb: _glEnable,
+ /** @export */ l: _glEnableVertexAttribArray,
+ /** @export */ Ya: _glFenceSync,
+ /** @export */ qa: _glFinish,
+ /** @export */ v: _glFlush,
+ /** @export */ C: _glFramebufferTexture2D,
+ /** @export */ Xa: _glFramebufferTextureLayer,
+ /** @export */ s: _glGenBuffers,
+ /** @export */ X: _glGenFramebuffers,
+ /** @export */ F: _glGenTextures,
+ /** @export */ B: _glGenVertexArrays,
+ /** @export */ Wa: _glGetAttribLocation,
+ /** @export */ ea: _glGetError,
+ /** @export */ Yb: _glGetFloatv,
+ /** @export */ w: _glGetIntegerv,
+ /** @export */ Xb: _glGetProgramiv,
+ /** @export */ Wb: _glGetShaderInfoLog,
+ /** @export */ Vb: _glGetShaderiv,
+ /** @export */ O: _glGetString,
+ /** @export */ Ub: _glGetUniformBlockIndex,
+ /** @export */ d: _glGetUniformLocation,
+ /** @export */ Tb: _glLineWidth,
+ /** @export */ Va: _glLinkProgram,
+ /** @export */ pa: _glPixelStorei,
+ /** @export */ oa: _glReadPixels,
+ /** @export */ Ua: _glShaderSource,
+ /** @export */ E: _glTexImage2D,
+ /** @export */ na: _glTexParameterf,
+ /** @export */ Ta: _glTexParameterfv,
+ /** @export */ f: _glTexParameteri,
+ /** @export */ ma: _glTexStorage2D,
+ /** @export */ Sb: _glTexStorage3D,
+ /** @export */ W: _glTexSubImage2D,
+ /** @export */ Rb: _glTexSubImage3D,
+ /** @export */ N: _glUniform1f,
+ /** @export */ la: _glUniform1fv,
+ /** @export */ e: _glUniform1i,
+ /** @export */ V: _glUniform2f,
+ /** @export */ Qb: _glUniform2fv,
+ /** @export */ Ha: _glUniform3f,
+ /** @export */ Sa: _glUniform4f,
+ /** @export */ U: _glUniform4fv,
+ /** @export */ Pb: _glUniform4iv,
+ /** @export */ Ob: _glUniformBlockBinding,
+ /** @export */ Nb: _glUniformMatrix2fv,
+ /** @export */ Mb: _glUniformMatrix3fv,
+ /** @export */ Ga: _glUniformMatrix4fv,
+ /** @export */ g: _glUseProgram,
+ /** @export */ k: _glVertexAttribPointer,
+ /** @export */ T: _glViewport,
+ /** @export */ Ab: mediapipe_create_utility_canvas2d,
+ /** @export */ zb: _mediapipe_find_canvas_event_target,
+ /** @export */ yb: mediapipe_import_external_texture,
+ /** @export */ wb: _mediapipe_webgl_tex_image_drawable,
+ /** @export */ zc: _proc_exit,
+ /** @export */ yc: _random_get,
+ /** @export */ Fa: _wgpuCommandEncoderBeginComputePass,
+ /** @export */ Ea: _wgpuCommandEncoderBeginRenderPass,
+ /** @export */ vb: _wgpuCommandEncoderCopyBufferToTexture,
+ /** @export */ ub: _wgpuCommandEncoderCopyTextureToBuffer,
+ /** @export */ tb: _wgpuCommandEncoderCopyTextureToTexture,
+ /** @export */ M: _wgpuCommandEncoderFinish,
+ /** @export */ Da: _wgpuComputePassEncoderDispatchWorkgroups,
+ /** @export */ Ca: _wgpuComputePassEncoderEnd,
+ /** @export */ Ba: _wgpuComputePassEncoderSetBindGroup,
+ /** @export */ Aa: _wgpuComputePassEncoderSetPipeline,
+ /** @export */ za: _wgpuComputePipelineGetBindGroupLayout,
+ /** @export */ ca: _wgpuDeviceCreateBindGroup,
+ /** @export */ sb: _wgpuDeviceCreateBindGroupLayout,
+ /** @export */ L: _wgpuDeviceCreateCommandEncoder,
+ /** @export */ rb: _wgpuDeviceCreateComputePipeline,
+ /** @export */ qb: _wgpuDeviceCreatePipelineLayout,
+ /** @export */ Ra: _wgpuDeviceCreateRenderPipeline,
+ /** @export */ S: _wgpuDeviceCreateSampler,
+ /** @export */ ba: _wgpuDeviceCreateTexture,
+ /** @export */ K: _wgpuQueueSubmit,
+ /** @export */ ka: _wgpuQueueWriteBuffer,
+ /** @export */ pb: _wgpuQueueWriteTexture,
+ /** @export */ ya: _wgpuRenderPassEncoderDraw,
+ /** @export */ xa: _wgpuRenderPassEncoderEnd,
+ /** @export */ wa: _wgpuRenderPassEncoderSetBindGroup,
+ /** @export */ va: _wgpuRenderPassEncoderSetPipeline,
+ /** @export */ Qa: _wgpuRenderPipelineGetBindGroupLayout,
+ /** @export */ z: _wgpuTextureCreateView,
+ /** @export */ Pa: _wgpuTextureDestroy,
+ /** @export */ aa: _wgpuTextureGetFormat
+};
+
+// include: postamble.js
+// === Auto-generated postamble setup entry stuff ===
+function run() {
+ if (runDependencies > 0) {
+ dependenciesFulfilled = run;
+ return;
+ }
+ preRun();
+ // a preRun added a dependency, run will be called later
+ if (runDependencies > 0) {
+ dependenciesFulfilled = run;
+ return;
+ }
+ function doRun() {
+ // run may have just been called through dependencies being fulfilled just in this very frame,
+ // or while the async setStatus time below was happening
+ Module["calledRun"] = true;
+ if (ABORT) return;
+ initRuntime();
+ readyPromiseResolve?.(Module);
+ Module["onRuntimeInitialized"]?.();
+ postRun();
+ }
+ if (Module["setStatus"]) {
+ Module["setStatus"]("Running...");
+ setTimeout(() => {
+ setTimeout(() => Module["setStatus"](""), 1);
+ doRun();
+ }, 1);
+ } else {
+ doRun();
+ }
+}
+
+var wasmExports;
+
+// In modularize mode the generated code is within a factory function so we
+// can use await here (since it's not top-level-await).
+wasmExports = await (createWasm());
+
+run();
+
+// end include: postamble.js
+// include: postamble_modularize.js
+// In MODULARIZE mode we wrap the generated code in a factory function
+// and return either the Module itself, or a promise of the module.
+// We assign to the `moduleRtn` global here and configure closure to see
+// this as an extern so it won't get minified.
+if (runtimeInitialized) {
+ moduleRtn = Module;
+} else {
+ // Set up the promise that indicates the Module is initialized
+ moduleRtn = new Promise((resolve, reject) => {
+ readyPromiseResolve = resolve;
+ readyPromiseReject = reject;
+ });
+}
+
+
+ return moduleRtn;
+ };
+})();
+
+// Export using a UMD style export, or ES6 exports if selected
+if (typeof exports === 'object' && typeof module === 'object') {
+ module.exports = ModuleFactory;
+ // This default export looks redundant, but it allows TS to import this
+ // commonjs style module.
+ module.exports.default = ModuleFactory;
+} else if (typeof define === 'function' && define['amd'])
+ define([], () => ModuleFactory);
+
diff --git a/templates/clips/public/mediapipe/wasm/vision_wasm_nosimd_internal.wasm b/templates/clips/public/mediapipe/wasm/vision_wasm_nosimd_internal.wasm
new file mode 100644
index 0000000000..82cd2e165e
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