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Disable separate decoder devices for non-Intel FL11.0 GPUs

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Cameron Gutman 2026-01-19 15:08:14 -06:00
commit 02a86167da
1 changed files with 11 additions and 0 deletions
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11
app/streaming/video/ffmpeg-renderers/d3d11va.cpp
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@ -411,6 +411,17 @@ bool D3D11VARenderer::createDeviceByAdapterIndex(int adapterIndex, bool* adapter
// Check if cross-device sharing works for YUV textures and fences are supported
hr = m_RenderDevice->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS, &d3d11Options, sizeof(d3d11Options));
separateDevices = SUCCEEDED(hr) && d3d11Options.ExtendedResourceSharing && m_FenceType != SupportedFenceType::None;
// The Radon HD 5570 GPU drivers deadlock when decoding into shared texture arrays, so let's
// limit usage of separate devices to FL 11.1+ GPUs to try to exclude old GPU drivers. We'll
// exempt Intel GPUs because those have been confirmed to work properly (and the extra fence
// that this device separation uses acts as a workaround for a bug in their old drivers where
// they don't properly synchronize between decoder output usage and SRV usage).
if (separateDevices && featureLevel < D3D_FEATURE_LEVEL_11_1 && adapterDesc.VendorId != 0x8086) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding texture sharing for old pre-FL11.1 GPU");
separateDevices = false;
}
}
// If we're going to use separate devices for decoding and rendering, create the decoding device