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[idd] capture: build frame processing graph

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This commit is contained in:
Geoffrey McRae
2026-08-13 13:43:32 +10:00
parent 081dcf8879
commit 43d918b5f3
14 changed files with 824 additions and 2 deletions
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75
idd/LGIdd/capture/CSwapChainProcessor.cpp
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@@ -40,6 +40,34 @@
static const uint32_t HDR_PQ_MIN_LUMINANCE = 50;
static const uint32_t HDR_PQ_MAX_LUMINANCE = 10000;
static const uint64_t GRAPH_RETRY_NS = 250000000ULL;
static bool MakeGraphCfg(const D12FrameFormat& source,
const D12FrameFormat& checkpoint, bool software,
const LUID& adapter, GraphCfg& cfg)
{
if (!source.width || !source.height ||
source.desc.Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE2D ||
!checkpoint.width || !checkpoint.height ||
checkpoint.desc.Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE2D)
return false;
FrameProfile src;
FrameProfile output;
if (!D12::Profile(source, FrameStorage::D3D12_TEXTURE, src) ||
!D12::Profile(checkpoint, FrameStorage::D3D12_TEXTURE, output))
return false;
cfg.mode = software ? GpuMode::SOFTWARE : GpuMode::HARDWARE;
cfg.adapter = adapter;
cfg.srcWidth = source.width;
cfg.srcHeight = source.height;
cfg.src = src;
cfg.width = checkpoint.width;
cfg.height = checkpoint.height;
cfg.checkpoint = output;
return true;
}
CSwapChainProcessor::CSwapChainProcessor(CMonitorContext * monitorContext,
UINT64 assignmentGeneration, IDDCX_MONITOR monitor,
@@ -329,6 +357,8 @@ void CSwapChainProcessor::SwapChainThreadCore()
if (WaitForSingleObject(m_terminateEvent.Get(), 0) == WAIT_OBJECT_0)
break;
CfgGraph();
UINT frameNumber = 0;
UINT dirtyRectCount = 0;
UINT moveRegionCount = 0;
@@ -413,6 +443,7 @@ void CSwapChainProcessor::SwapChainThreadCore()
// Every acquired frame must be finished before the next acquire, even if
// its presentation number was a duplicate and no work was submitted.
hr = IddCxSwapChainFinishedProcessingFrame(m_hSwapChain);
surface.Reset();
if (FAILED(hr))
{
// A lost path is normal (mode change/topology rebuild); Windows
@@ -493,6 +524,46 @@ bool CSwapChainProcessor::GetContentHDRMetadata(D12FrameFormat& format) const
#endif
}
void CSwapChainProcessor::QueueGraph(const D12FrameFormat& source,
const D12FrameFormat& checkpoint)
{
GraphCfg cfg;
if (!MakeGraphCfg(
source, checkpoint, m_dx11Device->IsSoftware(),
m_renderAdapter, cfg))
return;
if (m_haveGraphCfg && Frame::Same(m_graphCfg, cfg))
return;
m_graphCfg = cfg;
m_haveGraphCfg = true;
m_graphPending = true;
m_graphRetryAt = 0;
}
void CSwapChainProcessor::CfgGraph()
{
if (!m_graphPending)
return;
const uint64_t now = CFrameScheduler::Nanotime();
if (now < m_graphRetryAt)
return;
m_graphPending = false;
const CfgResult result =
m_devContext->GetTransport().Cfg(m_graphCfg, m_graph);
if (result == CfgResult::ACCEPTED)
{
m_graphRetryAt = 0;
}
else if (result == CfgResult::RETRY)
{
m_graphPending = true;
m_graphRetryAt = now + GRAPH_RETRY_NS;
}
}
bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer,
unsigned dirtyRectCount, unsigned moveRegionCount,
DXGI_COLOR_SPACE_TYPE colorSpace, UINT sdrWhiteLevel,
@@ -732,6 +803,10 @@ bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer
m_postProcessors[0].GetTimingToken(
&timingEffectIndex, &timingToken);
const D12FrameFormat& graphFormat =
m_postProcessors[0].GetTextureFormat();
QueueGraph(srcFormat, graphFormat);
}
if (needsReconfigure || postProcessFormatChanged || frameMetadataChanged)