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Enhance frame pacing logic for HDR renderers

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This commit is contained in:
Cameron Gutman
2022-04-24 17:43:35 -05:00
parent 5f682bb45f
commit 2bb2745f91
6 changed files with 47 additions and 18 deletions
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17
app/streaming/video/ffmpeg-renderers/d3d11va.cpp
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@@ -581,8 +581,8 @@ void D3D11VARenderer::renderFrame(AVFrame* frame)
}
else {
// Otherwise, we'll submit as fast as possible and DWM will discard excess
// frames for us. If frame pacing is also enabled, our Vsync source will keep
// us in sync with VBlank.
// frames for us. If frame pacing is also enabled or we're in full-screen,
// our Vsync source will keep us in sync with VBlank.
flags = 0;
}
@@ -993,8 +993,19 @@ bool D3D11VARenderer::checkDecoderSupport(IDXGIAdapter* adapter)
int D3D11VARenderer::getRendererAttributes()
{
int attributes = 0;
// This renderer supports HDR
return RENDERER_ATTRIBUTE_HDR_SUPPORT;
attributes |= RENDERER_ATTRIBUTE_HDR_SUPPORT;
// This renderer requires frame pacing to synchronize with VBlank when we're
// in full-screen. In windowed mode, we will render as fast we can and DWM
// will grab whatever is latest at the time unless the user opts for pacing.
if (SDL_GetWindowFlags(m_DecoderParams.window) & SDL_WINDOW_FULLSCREEN) {
attributes |= RENDERER_ATTRIBUTE_FORCE_PACING;
}
return attributes;
}
bool D3D11VARenderer::needsTestFrame()