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Prefer DX11 renderer if running on windows with vsync active

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This works around a bug in DX9 on Win11.
This commit is contained in:
ephphatha
2021-12-17 22:17:55 +11:00
committed by Anders Jenbo
parent 0d44d955e5
commit 530604c529
1 changed files with 14 additions and 0 deletions
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Source/utils/display.cpp
+14
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@@ -269,11 +269,25 @@ void ReinitializeRenderer()
rendererFlags |= SDL_RENDERER_PRESENTVSYNC;
}
#ifdef _WIN32
// On Windows 11 the directx9 VSYNC timer doesn't get recreated properly, see https://github.com/libsdl-org/SDL/issues/5099
// Attempt to use the directx11 driver instead if we have vsync active.
const char *const renderHint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
if ((rendererFlags & SDL_RENDERER_PRESENTVSYNC) != 0 && SDL_SetHint(SDL_HINT_RENDER_DRIVER, "direct3d11") != SDL_TRUE) {
Log("Error when trying to set hint for direct3d11, using default render driver");
}
#endif
renderer = SDL_CreateRenderer(ghMainWnd, -1, rendererFlags);
if (renderer == nullptr) {
ErrSdl();
}
#ifdef _WIN32
// Restore any system/user defined hint just in case they turn off upscale/vsync.
SDL_SetHint(SDL_HINT_RENDER_DRIVER, renderHint);
#endif
auto quality = fmt::format("{}", static_cast<int>(*sgOptions.Graphics.scaleQuality));
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, quality.c_str());