private void CopyUnsafe(GraphicsTextureView destination, GraphicsBufferView source)
{
var d3d12DestinationTextureCopyLocation = new D3D12_TEXTURE_COPY_LOCATION(destination.Resource.D3D12Resource, Sub: destination.D3D12SubresourceIndex);
var d3d12SourceTextureCopyLocation = new D3D12_TEXTURE_COPY_LOCATION(source.Resource.D3D12Resource, in destination.D3D12PlacedSubresourceFootprints[0]);
d3d12SourceTextureCopyLocation.PlacedFootprint.Offset = source.ByteOffset;
D3D12GraphicsCommandList->CopyTextureRegion(&d3d12DestinationTextureCopyLocation, DstX: 0, DstY: 0, DstZ: 0, &d3d12SourceTextureCopyLocation, pSrcBox: null);
}
public static ulong UpdateSubresources(ID3D12GraphicsCommandList *pCmdList, ID3D12Resource *pDestinationResource, ID3D12Resource *pIntermediate, uint FirstSubresource, uint NumSubresources, [NativeTypeName("UINT64")] ulong RequiredSize, [NativeTypeName("const D3D12_PLACED_SUBRESOURCE_FOOTPRINT *")] D3D12_PLACED_SUBRESOURCE_FOOTPRINT *pLayouts, [NativeTypeName("const UINT *")] uint *pNumRows, [NativeTypeName("const UINT64 *")] ulong *pRowSizesInBytes, [NativeTypeName("const D3D12_SUBRESOURCE_DATA *")] D3D12_SUBRESOURCE_DATA *pSrcData)
{
D3D12_RESOURCE_DESC IntermediateDesc = pIntermediate->GetDesc();
D3D12_RESOURCE_DESC DestinationDesc = pDestinationResource->GetDesc();
if (unchecked (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER || IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset || RequiredSize > (nuint)(-1)) || (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER && (FirstSubresource != 0 || NumSubresources != 1)))
{
return(0);
}
byte * pData;
HRESULT hr = pIntermediate->Map(0, null, (void **)(&pData));
if ((((HRESULT)(hr)) < 0))
{
return(0);
}
for (uint i = 0; i < NumSubresources; ++i)
{
if (pRowSizesInBytes[i] > unchecked ((nuint)(-1)))
{
return(0);
}
D3D12_MEMCPY_DEST DestData = new D3D12_MEMCPY_DEST
{
pData = pData + pLayouts[i].Offset,
RowPitch = pLayouts[i].Footprint.RowPitch,
SlicePitch = unchecked ((nuint)(pLayouts[i].Footprint.RowPitch) * (nuint)(pNumRows[i])),
};
MemcpySubresource(&DestData, &pSrcData[i], unchecked ((nuint)(pRowSizesInBytes[i])), pNumRows[i], pLayouts[i].Footprint.Depth);
}
pIntermediate->Unmap(0, null);
if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
{
pCmdList->CopyBufferRegion(pDestinationResource, 0, pIntermediate, pLayouts[0].Offset, pLayouts[0].Footprint.Width);
}
else
{
for (uint i = 0; i < NumSubresources; ++i)
{
D3D12_TEXTURE_COPY_LOCATION Dst = new D3D12_TEXTURE_COPY_LOCATION(pDestinationResource, i + FirstSubresource);
D3D12_TEXTURE_COPY_LOCATION Src = new D3D12_TEXTURE_COPY_LOCATION(pIntermediate, pLayouts[i]);
pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, null);
}
}
return(RequiredSize);
}
public virtual void CopyTextureRegion(
ref D3D12_TEXTURE_COPY_LOCATION pDst,
uint DstX,
uint DstY,
uint DstZ,
ref D3D12_TEXTURE_COPY_LOCATION pSrc,
ref D3D12_BOX pSrcBox
)
{
var fp = GetFunctionPointer(16);
if (m_CopyTextureRegionFunc == null)
{
m_CopyTextureRegionFunc = (CopyTextureRegionFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(CopyTextureRegionFunc));
}
m_CopyTextureRegionFunc(m_ptr, ref pDst, DstX, DstY, DstZ, ref pSrc, ref pSrcBox);
}
public static ulong UpdateSubresources(ID3D12GraphicsCommandList *pCmdList, ID3D12Resource *pDestinationResource, ID3D12Resource *pIntermediate, uint FirstSubresource, uint NumSubresources, ulong RequiredSize, D3D12_PLACED_SUBRESOURCE_FOOTPRINT *pLayouts, uint *pNumRows, ulong *pRowSizesInBytes, D3D12_SUBRESOURCE_DATA *pSrcData)
{
// Minor validation
D3D12_RESOURCE_DESC IntermediateDesc;
pIntermediate->GetDesc(&IntermediateDesc);
D3D12_RESOURCE_DESC DestinationDesc;
pDestinationResource->GetDesc(&DestinationDesc);
if (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER ||
IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset ||
RequiredSize > ((IntPtr.Size == 4) ? uint.MaxValue : ulong.MaxValue) ||
(DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER &&
(FirstSubresource != 0 || NumSubresources != 1)))
{
return(0);
}
byte *pData;
int hr = pIntermediate->Map(0, null, (void **)(&pData));
if (FAILED(hr))
{
return(0);
}
for (var i = 0u; i < NumSubresources; ++i)
{
if (pRowSizesInBytes[i] > ((IntPtr.Size == 4) ? uint.MaxValue : ulong.MaxValue))
{
return(0);
}
var DestData = new D3D12_MEMCPY_DEST
{
pData = pData + pLayouts[i].Offset,
RowPitch = (UIntPtr)(pLayouts[i].Footprint.RowPitch),
SlicePitch = (UIntPtr)(pLayouts[i].Footprint.RowPitch * pNumRows[i])
};
MemcpySubresource(&DestData, &pSrcData[i], (UIntPtr)pRowSizesInBytes[i], pNumRows[i], pLayouts[i].Footprint.Depth);
}
pIntermediate->Unmap(0, null);
if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
{
var SrcBox = new D3D12_BOX
{
left = (uint)pLayouts[0].Offset,
top = 0,
front = 0,
right = (uint)pLayouts[0].Offset + pLayouts[0].Footprint.Width,
bottom = 1,
back = 1
};
pCmdList->CopyBufferRegion(
pDestinationResource, 0, pIntermediate, pLayouts[0].Offset, pLayouts[0].Footprint.Width);
}
else
{
for (var i = 0u; i < NumSubresources; ++i)
{
var Dst = new D3D12_TEXTURE_COPY_LOCATION
{
pResource = pDestinationResource,
Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
Anonymous = new D3D12_TEXTURE_COPY_LOCATION._Anonymous_e__Union
{
SubresourceIndex = i + FirstSubresource
}
};
var Src = new D3D12_TEXTURE_COPY_LOCATION
{
pResource = pIntermediate,
Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
Anonymous = new D3D12_TEXTURE_COPY_LOCATION._Anonymous_e__Union
{
PlacedFootprint = pLayouts[i]
}
};
pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, null);
}
}
return(RequiredSize);
}
/// <inheritdoc cref="Copy(GraphicsTexture, GraphicsBuffer)" />
public void Copy(D3D12GraphicsTexture destination, D3D12GraphicsBuffer source)
{
ThrowIfNull(destination, nameof(destination));
ThrowIfNull(source, nameof(source));
var graphicsDevice = D3D12GraphicsDevice.D3D12Device;
var graphicsCommandList = D3D12GraphicsCommandList;
var destinationCpuAccess = destination.GraphicsHeap.CpuAccess;
var sourceCpuAccess = source.GraphicsHeap.CpuAccess;
var d3d12DestinationResource = destination.D3D12Resource;
var d3d12SourceResource = source.D3D12Resource;
var d3d12DestinationResourceState = destination.D3D12ResourceState;
var d3d12SourceResourceState = source.D3D12ResourceState;
BeginCopy();
D3D12_PLACED_SUBRESOURCE_FOOTPRINT sourceFootprint;
var destinationDesc = d3d12DestinationResource->GetDesc();
graphicsDevice->GetCopyableFootprints(&destinationDesc, FirstSubresource: 0, NumSubresources: 1, BaseOffset: 0, &sourceFootprint, pNumRows: null, pRowSizeInBytes: null, pTotalBytes: null);
var d3d12DestinationTextureCopyLocation = new D3D12_TEXTURE_COPY_LOCATION(d3d12DestinationResource, Sub: 0);
var d3d12SourceTextureCopyLocation = new D3D12_TEXTURE_COPY_LOCATION(d3d12SourceResource, in sourceFootprint);
graphicsCommandList->CopyTextureRegion(&d3d12DestinationTextureCopyLocation, DstX: 0, DstY: 0, DstZ: 0, &d3d12SourceTextureCopyLocation, pSrcBox: null);
EndCopy();
void BeginCopy()
{
var resourceBarriers = stackalloc D3D12_RESOURCE_BARRIER[2];
var numResourceBarriers = 0u;
if (destinationCpuAccess == GraphicsHeapCpuAccess.None)
{
resourceBarriers[numResourceBarriers] = D3D12_RESOURCE_BARRIER.InitTransition(
d3d12DestinationResource,
stateBefore: d3d12DestinationResourceState,
stateAfter: D3D12_RESOURCE_STATE_COPY_DEST
);
numResourceBarriers++;
}
if (sourceCpuAccess == GraphicsHeapCpuAccess.None)
{
resourceBarriers[numResourceBarriers] = D3D12_RESOURCE_BARRIER.InitTransition(
d3d12SourceResource,
stateBefore: d3d12SourceResourceState,
stateAfter: D3D12_RESOURCE_STATE_COPY_SOURCE
);
numResourceBarriers++;
}
if (numResourceBarriers != 0)
{
graphicsCommandList->ResourceBarrier(numResourceBarriers, resourceBarriers);
}
}
void EndCopy()
{
var resourceBarriers = stackalloc D3D12_RESOURCE_BARRIER[2];
var numResourceBarriers = 0u;
if (sourceCpuAccess == GraphicsHeapCpuAccess.None)
{
resourceBarriers[numResourceBarriers] = D3D12_RESOURCE_BARRIER.InitTransition(
d3d12SourceResource,
stateBefore: D3D12_RESOURCE_STATE_COPY_SOURCE,
stateAfter: d3d12SourceResourceState
);
numResourceBarriers++;
}
if (destinationCpuAccess == GraphicsHeapCpuAccess.None)
{
resourceBarriers[numResourceBarriers] = D3D12_RESOURCE_BARRIER.InitTransition(
d3d12DestinationResource,
stateBefore: D3D12_RESOURCE_STATE_COPY_DEST,
stateAfter: d3d12DestinationResourceState
);
numResourceBarriers++;
}
if (numResourceBarriers != 0)
{
graphicsCommandList->ResourceBarrier(numResourceBarriers, resourceBarriers);
}
}
}
