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Tight alignment D3D12 bug workaround should apply to textures as well

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baldurk
2026-03-16 11:50:21 +00:00
parent 507a34d0fb
commit 705ab0ea51
2 changed files with 10 additions and 0 deletions
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renderdoc/driver/d3d12/d3d12_initstate.cpp
+8
View File
@@ -246,6 +246,7 @@ bool D3D12ResourceManager::Prepare_InitialState(ID3D12DeviceChild *res)
const bool isUploadHeap = (heapProps.Type == D3D12_HEAP_TYPE_UPLOAD);
desc.Flags = D3D12_RESOURCE_FLAG_NONE;
desc.Alignment = 0;
ID3D12Resource *copyDst = NULL;
hr = m_Device->CreateInitialStateBuffer(desc, &copyDst);
@@ -437,6 +438,10 @@ bool D3D12ResourceManager::Prepare_InitialState(ID3D12DeviceChild *res)
desc.Flags &= ~D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS;
}
// normalise alignment - sometimes D3D12 returns an alignment that is invalid to use
if(desc.Flags & D3D12_RESOURCE_FLAG_USE_TIGHT_ALIGNMENT)
desc.Alignment = 0;
for(UINT i = 0; i < numSubresources; i++)
{
// skip non-MSAA sparse subresources that are not mapped at all
@@ -2133,6 +2138,9 @@ void D3D12ResourceManager::Apply_InitialState(ID3D12DeviceChild *res, D3D12Initi
else
{
D3D12_RESOURCE_DESC desc = unwrappedCopyDst->GetDesc();
// normalise alignment - sometimes D3D12 returns an alignment that is invalid to use
if(desc.Flags & D3D12_RESOURCE_FLAG_USE_TIGHT_ALIGNMENT)
desc.Alignment = 0;
UINT numSubresources = desc.MipLevels;
if(desc.Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE3D)
renderdoc/driver/d3d12/d3d12_resources.h
+2
View File
@@ -1640,6 +1640,8 @@ public:
if(ret.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER &&
ret.Alignment != D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT)
ret.Alignment = 0;
if(ret.Flags & D3D12_RESOURCE_FLAG_USE_TIGHT_ALIGNMENT)
ret.Alignment = 0;
return ret;
}
virtual D3D12_GPU_VIRTUAL_ADDRESS STDMETHODCALLTYPE GetGPUVirtualAddress()