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[client/host/idd/lgmp] add additional timing metrics

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This commit is contained in:
Geoffrey McRae
2026-08-03 10:57:32 +10:00
parent 3035fa6282
commit 7533c855c2
18 changed files with 339 additions and 88 deletions
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43
idd/LGIdd/CSwapChainProcessor.cpp
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@@ -28,6 +28,22 @@
static const uint32_t HDR_PQ_MIN_LUMINANCE = 50;
static const uint32_t HDR_PQ_MAX_LUMINANCE = 10000;
static uint64_t Nanotime()
{
static const uint64_t frequency = []()
{
LARGE_INTEGER value;
QueryPerformanceFrequency(&value);
return (uint64_t)value.QuadPart;
}();
LARGE_INTEGER counter;
QueryPerformanceCounter(&counter);
const uint64_t ticks = (uint64_t)counter.QuadPart;
return ticks / frequency * 1000000000ULL +
ticks % frequency * 1000000000ULL / frequency;
}
CSwapChainProcessor::CSwapChainProcessor(CIndirectMonitorContext * monitorContext,
UINT64 assignmentGeneration, IDDCX_MONITOR monitor,
CIndirectDeviceContext* devContext, IDDCX_SWAPCHAIN hSwapChain,
@@ -192,6 +208,7 @@ bool CSwapChainProcessor::SwapChainThreadCore()
// path HDR is not available, so default to SDR.
DXGI_COLOR_SPACE_TYPE colorSpace = DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709;
UINT sdrWhiteLevel = KVMFR_SDR_WHITE_LEVEL_DEFAULT;
const uint64_t captureStart = Nanotime();
#ifdef HAS_IDDCX_110
if (m_devContext->HasIddCx110DDIs())
@@ -252,7 +269,8 @@ bool CSwapChainProcessor::SwapChainThreadCore()
if (frameNumber != lastFrameNumber)
{
lastFrameNumber = frameNumber;
if (!SwapChainNewFrame(surface, dirtyRectCount, colorSpace, sdrWhiteLevel))
if (!SwapChainNewFrame(surface, dirtyRectCount, colorSpace,
sdrWhiteLevel, Nanotime() - captureStart))
DEBUG_WARN("Failed to submit frame");
}
@@ -286,16 +304,21 @@ void CSwapChainProcessor::CompletionFunction(
// fail gracefully
if (!result)
{
sc->m_devContext->SetFrameTiming(fbRes->GetFrameIndex(),
fbRes->GetCaptureTime(), fbRes->GetPostProcessTime(),
Nanotime() - fbRes->GetCopyStart());
sc->m_devContext->FinalizeFrameBuffer(fbRes->GetFrameIndex());
return;
}
if (sc->m_dx12Device->IsIndirectCopy())
sc->m_devContext->WriteFrameBuffer(
fbRes->GetFrameIndex(),
fbRes->GetMap(), 0, fbRes->GetFrameSize(), true);
else
sc->m_devContext->FinalizeFrameBuffer(fbRes->GetFrameIndex());
fbRes->GetFrameIndex(), fbRes->GetMap(), 0, fbRes->GetFrameSize(), false);
const uint64_t copyTime = Nanotime() - fbRes->GetCopyStart();
sc->m_devContext->SetFrameTiming(fbRes->GetFrameIndex(),
fbRes->GetCaptureTime(), fbRes->GetPostProcessTime(), copyTime);
sc->m_devContext->FinalizeFrameBuffer(fbRes->GetFrameIndex());
}
@@ -470,8 +493,9 @@ bool CSwapChainProcessor::GetContentHDRMetadata(D12FrameFormat& format) const
#endif
}
bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer, unsigned dirtyRectCount,
DXGI_COLOR_SPACE_TYPE colorSpace, UINT sdrWhiteLevel)
bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer,
unsigned dirtyRectCount, DXGI_COLOR_SPACE_TYPE colorSpace,
UINT sdrWhiteLevel, uint64_t captureTime)
{
// Preserve the fast drop path: never hold an IddCx frame while waiting for
// a slow or disconnected client. We have not read its rectangles, so force
@@ -482,6 +506,8 @@ bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer
return true;
}
const uint64_t postProcessStart = Nanotime();
ComPtr<ID3D11Texture2D> texture;
HRESULT hr = acquiredBuffer.As(&texture);
if (FAILED(hr))
@@ -708,6 +734,9 @@ bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer
return false;
}
const uint64_t copyStart = Nanotime();
fbRes->SetTiming(captureTime, copyStart - postProcessStart, copyStart);
copyQueue->SetCompletionCallback(&CompletionFunction, this, fbRes);
D3D12_TEXTURE_COPY_LOCATION srcLoc = {};