Software geometry correction for CRT monitors on Windows. Pre-distorts the desktop image via DXGI Desktop Duplication and Direct3D 11 so that after your CRT's physical distortion, the image ends up straight-no hardware mods or service menu tweaking required.
open-source cpp windows-10 d3d11 retrogaming crt windows-xp crt-monitor dxgi windows-11 display-calibration geometry-correction screen-warping bowing crt-bowing subcoderhun
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Updated
Aug 17, 2026 - C++