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[idd] driver: very experimental change to syncronization

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This may get reverted, at this point it's an experiment for the
testers to trial.
This commit is contained in:
Geoffrey McRae
2025-03-30 02:47:40 +00:00
parent 7afb9b93eb
commit b58171c3e1
10 changed files with 137 additions and 40 deletions
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43
idd/LGIdd/CSwapChainProcessor.cpp
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@@ -205,11 +205,35 @@ bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer
dstLoc.PlacedFootprint.Footprint.Depth = 1;
dstLoc.PlacedFootprint.Footprint.RowPitch = srcRes->GetFormat().Width * 4; //FIXME
srcRes->Sync(m_dx12Device->GetCopyQueue());
m_dx12Device->GetCopyQueue().GetGfxList()->CopyTextureRegion(
&dstLoc, 0, 0, 0, &srcLoc, NULL);
auto copyQueue = m_dx12Device->GetCopyQueue();
if (!copyQueue)
{
DEBUG_ERROR("Failed to get a CopyQueue");
return false;
}
m_dx12Device->GetCopyQueue().Execute();
copyQueue->SetCompletionCallback(
[](CD3D12CommandQueue * copyQueue, void * param1, void * param2)
{
UNREFERENCED_PARAMETER(copyQueue);
auto sc = (CSwapChainProcessor *)param1;
auto fbRes = (CFrameBufferResource *)param2;
if (sc->m_dx12Device->IsIndirectCopy())
sc->m_devContext->WriteFrameBuffer(
fbRes->GetFrameIndex(),
fbRes->GetMap(), 0, fbRes->GetFrameSize(), true);
else
sc->m_devContext->FinalizeFrameBuffer(fbRes->GetFrameIndex());
},
this,
fbRes);
srcRes->Sync(*copyQueue);
copyQueue->GetGfxList()->CopyTextureRegion(
&dstLoc, 0, 0, 0, &srcLoc, NULL);
copyQueue->Execute();
// report that all GPU processing for this frame has been queued
hr = IddCxSwapChainFinishedProcessingFrame(m_hSwapChain);
@@ -219,16 +243,5 @@ bool CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer
return false;
}
// wait for the completion
m_dx12Device->GetCopyQueue().Wait();
m_dx12Device->GetCopyQueue().Reset();
// copy/finialize
if (m_dx12Device->IsIndirectCopy())
m_devContext->WriteFrameBuffer(
fbRes->GetMap(), 0, fbRes->GetFrameSize(), true);
else
m_devContext->FinalizeFrameBuffer();
return true;
}