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Work around poor video scaling quality on Qualcomm GPUs

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This commit is contained in:
Cameron Gutman 2020-12-21 20:48:28 -06:00
parent 1197b17509
commit 3defccb6e2
1 changed files with 22 additions and 9 deletions
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31
app/streaming/video/ffmpeg-renderers/dxva2.cpp
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@ -382,15 +382,28 @@ bool DXVA2Renderer::isDXVideoProcessorAPIBlacklisted()
D3DADAPTER_IDENTIFIER9 id; D3DADAPTER_IDENTIFIER9 id;
hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id); hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id);
if (SUCCEEDED(hr) && id.VendorId == 0x8086) { if (SUCCEEDED(hr)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, if (id.VendorId == 0x8086) {
"Avoiding IDirectXVideoProcessor API on Intel GPU"); SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding IDirectXVideoProcessor API on Intel GPU");
// On Intel GPUs, we can get unwanted video "enhancements" due to post-processing // On Intel GPUs, we can get unwanted video "enhancements" due to post-processing
// effects that the GPU driver forces on us. In many cases, this makes the video // effects that the GPU driver forces on us. In many cases, this makes the video
// actually look worse. We can avoid these by using StretchRect() instead on these // actually look worse. We can avoid these by using StretchRect() instead on these
// platforms. // platforms.
result = true; result = true;
}
else if (id.VendorId == 0x4d4f4351) { // QCOM in ASCII
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding IDirectXVideoProcessor API on Qualcomm GPU");
// On Qualcomm GPUs (all D3D9on12 GPUs?), the scaling quality of VideoProcessBlt()
// is absolutely horrible. StretchRect() is much much better.
result = true;
}
else {
result = false;
}
} }
else { else {
result = false; result = false;
@ -971,7 +984,7 @@ Exit:
int DXVA2Renderer::getDecoderColorspace() int DXVA2Renderer::getDecoderColorspace()
{ {
if (isDXVideoProcessorAPIBlacklisted()) { if (isDXVideoProcessorAPIBlacklisted()) {
// StretchRect() assumes Rec 601 on Intel GPUs // StretchRect() assumes Rec 601 on Intel and Qualcomm GPUs.
return COLORSPACE_REC_601; return COLORSPACE_REC_601;
} }
else { else {