Feature/ubuntu#29
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The login WebView subprocess built its wry WebView via WebViewBuilder::new(window), which uses the raw window handle. wry's WebKitGTK backend only supports that under X11, so under a Wayland session it failed with "the window handle kind is not supported" and Launch reported "Login failed: building wry webview: ...". Build from the tao window's GTK vbox via WebViewBuilderExtUnix::new_gtk on Linux instead; it embeds WebKitGTK at the widget level and works under both X11 and Wayland (as wry's own docs recommend). Windows keeps the raw-handle path; macOS is unchanged. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
FFXIV 1.0 fires a storm of longjmp unwinds (RtlUnwindEx code=STATUS_LONGJUMP) once in-world. The +seh channel in the default WINEDEBUG traced a full CPU register dump per unwind into wine.log, pinning the CPU on trace I/O and dropping the game to a slideshow (GPU near-idle). err+all still surfaces genuine crashes as err:seh; full seh tracing stays available via the verbose developer toggle (VERBOSE_WINE_DEBUG). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Wine's builtin wined3d translates the 32-bit FFXIV 1.0 client's D3D9 on a single CPU thread, starving the GPU (slideshow in-world, GPU near-idle). Add a Linux-only DXVK provisioner (src/platform/dxvk.rs): after prefix init, detect Vulkan, download a pinned DXVK release into the runtime cache, install its 32-bit d3d9/dxgi into syswow64, and merge d3d9=n,b;dxgi=n,b into WINEDLLOVERRIDES at launch. Best-effort: no Vulkan / offline / GARLEMALD_DISABLE_DXVK=1 falls back to wined3d, so the launch never breaks. Also logs the resolved wine binary + version. macOS is untouched — its CrossOver engine already provides the accelerated D3D path. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Lets Ubuntu testing point the launcher at a specific Wine build (an older/patched engine or a self-managed one) without touching PATH. A set-but-invalid path fails loudly instead of falling through to the PATH lookup, and the no-wine error now mentions the override. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EchKYpba7cMDD5B6g86Z2Q
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