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Prefer D3D11VA for FSE V-Sync off

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This commit is contained in:
Cameron Gutman
2023-08-03 19:41:35 -05:00
parent dc5414bd0d
commit 7404e5fce2
2 changed files with 20 additions and 3 deletions
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app/streaming/video/ffmpeg-renderers/dxva2.cpp
+11 -3
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@@ -568,9 +568,11 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
return false;
}
// If we have a WDDM 2.0 or later display driver and we're not running in
// full-screen exclusive mode (or we're on a multi-GPU system in FSE),
// prefer the D3D11VA renderer.
// If we have a WDDM 2.0 or later display driver, prefer the D3D11VA renderer
// in all of the following cases:
// - Multi-GPU systems
// - Windowed and borderless windowed modes
// - Full-screen exclusive with V-sync off
//
// D3D11VA is better in this case because it can enable tearing in non-FSE
// modes when the user has V-Sync disabled. In non-FSE V-Sync cases, D3D11VA
@@ -601,6 +603,12 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
d3d9ex->Release();
return false;
}
else if (!enableVsync) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Defaulting to D3D11VA for FSE V-Sync Off mode");
d3d9ex->Release();
return false;
}
}
D3DCAPS9 deviceCaps;