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Set the correct number of elements in LaneBuffer

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This commit is contained in:
Jake Turner
2025-10-23 09:24:29 +01:00
parent c756cbeced
commit 8aa42d0348
1 changed files with 4 additions and 3 deletions
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renderdoc/driver/d3d12/d3d12_shaderdebug.cpp
+4 -3
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@@ -1694,13 +1694,14 @@ ID3D12Resource *D3D12Replay::CreateInputFetchBuffer(DXDebug::InputFetcher &fetch
rdesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
rdesc.Width = fetcher.hitBufferStride * (DXDebug::maxPixelHits + 1);
const uint32_t countLaneElements =
(fetcher.laneDataBufferStride > 0) ? fetcher.numLanesPerHit * (DXDebug::maxPixelHits + 1) : 0;
// if we have separate lane data, allocate that at the end
if(fetcher.laneDataBufferStride > 0)
{
rdesc.Width = AlignToMultiple(rdesc.Width, (uint64_t)fetcher.laneDataBufferStride);
laneDataOffset = rdesc.Width;
rdesc.Width +=
(fetcher.laneDataBufferStride * fetcher.numLanesPerHit) * (DXDebug::maxPixelHits + 1);
rdesc.Width += fetcher.laneDataBufferStride * countLaneElements;
}
// Create storage for MSAA evaluations captured in pixel shader
@@ -1756,7 +1757,7 @@ ID3D12Resource *D3D12Replay::CreateInputFetchBuffer(DXDebug::InputFetcher &fetch
uavDesc.ViewDimension = D3D12_UAV_DIMENSION_BUFFER;
uavDesc.Buffer.FirstElement = laneDataOffset / fetcher.laneDataBufferStride;
uavDesc.Buffer.StructureByteStride = fetcher.laneDataBufferStride;
uavDesc.Buffer.NumElements = DXDebug::maxPixelHits + 1;
uavDesc.Buffer.NumElements = countLaneElements;
uav = m_pDevice->GetDebugManager()->GetCPUHandle(SHADER_DEBUG_LANEDATA_UAV);
m_pDevice->CreateUnorderedAccessView(dataBuffer, NULL, &uavDesc, uav);