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Only sample directly from the video decoder output texture on Intel GPUs

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This technique seems to actually make performance worse on some AMD GPUs (RX 480)
and causes rendering errors on others (HD 5570). These might be AMD-specific bugs
but let's not risk a behavior change for AMD/NVIDIA where nobody was having perf
issues with the old copy method anyway.
This commit is contained in:
Cameron Gutman
2024-06-29 14:44:08 -05:00
parent 0abb9fd7c2
commit 335ed0e8e6
2 changed files with 138 additions and 25 deletions
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app/streaming/video/ffmpeg-renderers/d3d11va.h
+7 -1
View File
@@ -29,7 +29,8 @@ private:
static void unlockContext(void* lock_ctx);
bool setupRenderingResources();
bool setupTexturePoolViews(AVD3D11VAFramesContext* frameContext);
bool setupVideoTexture(); // for !m_BindDecoderOutputTextures
bool setupTexturePoolViews(AVD3D11VAFramesContext* frameContext); // for m_BindDecoderOutputTextures
void renderOverlay(Overlay::OverlayType type);
void bindColorConversion(AVFrame* frame);
void renderVideo(AVFrame* frame);
@@ -46,6 +47,7 @@ private:
ID3D11DeviceContext* m_DeviceContext;
ID3D11RenderTargetView* m_RenderTargetView;
SDL_mutex* m_ContextLock;
bool m_BindDecoderOutputTextures;
DECODER_PARAMETERS m_DecoderParams;
int m_TextureAlignment;
@@ -62,6 +64,10 @@ private:
ID3D11PixelShader* m_VideoBt2020LimPixelShader;
ID3D11Buffer* m_VideoVertexBuffer;
// Only valid if !m_BindDecoderOutputTextures
ID3D11Texture2D* m_VideoTexture;
// Only index 0 is valid if !m_BindDecoderOutputTextures
#define DECODER_BUFFER_POOL_SIZE 17
ID3D11ShaderResourceView* m_VideoTextureResourceViews[DECODER_BUFFER_POOL_SIZE][2];