Add environment variables to configure DXVA2 and D3D11VA options

This commit is contained in:
Cameron Gutman 2022-02-08 22:27:27 -06:00
parent b21131a466
commit be2af1d17a
2 changed files with 10 additions and 0 deletions

View File

@ -319,6 +319,11 @@ bool D3D11VARenderer::initialize(PDECODER_PARAMETERS params)
if ((SDL_GetWindowFlags(params->window) & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
swapChainDesc.Flags |= DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
}
else if (qgetenv("D3D11VA_FORCE_WAITABLE_SWAPCHAIN") == "1") {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using waitable swapchain in full-screen per environment variable override");
swapChainDesc.Flags |= DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
}
}
}

View File

@ -674,6 +674,11 @@ bool DXVA2Renderer::initialize(PDECODER_PARAMETERS params)
if (params->videoFormat == VIDEO_FORMAT_H265_MAIN10) {
return false;
}
else if (qgetenv("DXVA2_ENABLED") == "0") {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 is disabled by environment variable");
return false;
}
m_VideoFormat = params->videoFormat;
m_VideoWidth = params->width;