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Use nvidia-vaapi-driver on Wayland systems if available

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This commit is contained in:
Cameron Gutman 2022-10-05 18:44:11 -05:00
parent fbbbd5e0b8
commit a1694ab951
1 changed files with 20 additions and 0 deletions
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20
app/streaming/video/ffmpeg-renderers/vaapi.cpp
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@ -193,6 +193,17 @@ VAAPIRenderer::initialize(PDECODER_PARAMETERS params)
status = vaInitialize(vaDeviceContext->display, &major, &minor);
}
if (status != VA_STATUS_SUCCESS
#if defined(HAVE_CUDA) || defined(HAVE_LIBVDPAU)
&& m_WindowSystem != SDL_SYSWM_X11
#endif
) {
// The unofficial nvidia VAAPI driver over NVDEC/CUDA works well on Wayland,
// but we'd rather use CUDA for XWayland and VDPAU for regular X11.
qputenv("LIBVA_DRIVER_NAME", "nvidia");
status = vaInitialize(vaDeviceContext->display, &major, &minor);
}
if (status != VA_STATUS_SUCCESS) {
// Unset LIBVA_DRIVER_NAME if none of the drivers we tried worked. This ensures
// we will get a fresh start using the default driver selection behavior after
@ -269,6 +280,15 @@ VAAPIRenderer::initialize(PDECODER_PARAMETERS params)
}
}
#if defined(HAVE_CUDA) || defined(HAVE_LIBVDPAU)
if (m_WindowSystem == SDL_SYSWM_X11 && qgetenv("FORCE_VAAPI") != "1" && vendorStr.contains("VA-API NVDEC", Qt::CaseInsensitive)) {
// Prefer CUDA for XWayland and VDPAU for regular X11.
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding VAAPI for NVIDIA on X11/XWayland");
return false;
}
#endif
if (WMUtils::isRunningWayland()) {
// The iHD VAAPI driver can initialize on XWayland but it crashes in
// vaPutSurface() so we must also not directly render on XWayland.