12a519bae2
Credit and thanks to @bruzvg for multiple build fixes, update of 3rd-party items and MinGW support. Co-authored-by: bruvzg <7645683+bruvzg@users.noreply.github.com>
602 lines
25 KiB
C++
602 lines
25 KiB
C++
//*********************************************************
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//
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// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License (MIT).
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//
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//*********************************************************
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#pragma once
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#ifndef __cplusplus
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#error D3DX12 requires C++
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#endif
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#include "d3d12.h"
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#include "d3dx12_core.h"
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#include "d3dx12_property_format_table.h"
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//------------------------------------------------------------------------------------------------
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template <typename T, typename U, typename V>
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inline void D3D12DecomposeSubresource( UINT Subresource, UINT MipLevels, UINT ArraySize, _Out_ T& MipSlice, _Out_ U& ArraySlice, _Out_ V& PlaneSlice ) noexcept
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{
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MipSlice = static_cast<T>(Subresource % MipLevels);
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ArraySlice = static_cast<U>((Subresource / MipLevels) % ArraySize);
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PlaneSlice = static_cast<V>(Subresource / (MipLevels * ArraySize));
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}
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//------------------------------------------------------------------------------------------------
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// Row-by-row memcpy
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inline void MemcpySubresource(
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_In_ const D3D12_MEMCPY_DEST* pDest,
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_In_ const D3D12_SUBRESOURCE_DATA* pSrc,
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SIZE_T RowSizeInBytes,
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UINT NumRows,
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UINT NumSlices) noexcept
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{
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for (UINT z = 0; z < NumSlices; ++z)
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{
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auto pDestSlice = static_cast<BYTE*>(pDest->pData) + pDest->SlicePitch * z;
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auto pSrcSlice = static_cast<const BYTE*>(pSrc->pData) + pSrc->SlicePitch * LONG_PTR(z);
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for (UINT y = 0; y < NumRows; ++y)
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{
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memcpy(pDestSlice + pDest->RowPitch * y,
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pSrcSlice + pSrc->RowPitch * LONG_PTR(y),
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RowSizeInBytes);
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}
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}
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}
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//------------------------------------------------------------------------------------------------
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// Row-by-row memcpy
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inline void MemcpySubresource(
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_In_ const D3D12_MEMCPY_DEST* pDest,
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_In_ const void* pResourceData,
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_In_ const D3D12_SUBRESOURCE_INFO* pSrc,
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SIZE_T RowSizeInBytes,
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UINT NumRows,
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UINT NumSlices) noexcept
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{
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for (UINT z = 0; z < NumSlices; ++z)
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{
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auto pDestSlice = static_cast<BYTE*>(pDest->pData) + pDest->SlicePitch * z;
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auto pSrcSlice = (static_cast<const BYTE*>(pResourceData) + pSrc->Offset) + pSrc->DepthPitch * ULONG_PTR(z);
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for (UINT y = 0; y < NumRows; ++y)
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{
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memcpy(pDestSlice + pDest->RowPitch * y,
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pSrcSlice + pSrc->RowPitch * ULONG_PTR(y),
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RowSizeInBytes);
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}
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}
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}
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//------------------------------------------------------------------------------------------------
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// Returns required size of a buffer to be used for data upload
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inline UINT64 GetRequiredIntermediateSize(
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_In_ ID3D12Resource* pDestinationResource,
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_In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources) noexcept
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{
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto Desc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc;
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const auto& Desc = *pDestinationResource->GetDesc(&tmpDesc);
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#endif
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UINT64 RequiredSize = 0;
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ID3D12Device* pDevice = nullptr;
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pDestinationResource->GetDevice(IID_ID3D12Device, reinterpret_cast<void**>(&pDevice));
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pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, 0, nullptr, nullptr, nullptr, &RequiredSize);
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pDevice->Release();
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return RequiredSize;
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}
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//------------------------------------------------------------------------------------------------
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// All arrays must be populated (e.g. by calling GetCopyableFootprints)
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inline UINT64 UpdateSubresources(
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_In_ ID3D12GraphicsCommandList* pCmdList,
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_In_ ID3D12Resource* pDestinationResource,
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_In_ ID3D12Resource* pIntermediate,
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_In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources,
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UINT64 RequiredSize,
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_In_reads_(NumSubresources) const D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
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_In_reads_(NumSubresources) const UINT* pNumRows,
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_In_reads_(NumSubresources) const UINT64* pRowSizesInBytes,
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_In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData) noexcept
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{
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// Minor validation
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto IntermediateDesc = pIntermediate->GetDesc();
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const auto DestinationDesc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc1, tmpDesc2;
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const auto& IntermediateDesc = *pIntermediate->GetDesc(&tmpDesc1);
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const auto& DestinationDesc = *pDestinationResource->GetDesc(&tmpDesc2);
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#endif
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if (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER ||
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IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset ||
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RequiredSize > SIZE_T(-1) ||
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(DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER &&
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(FirstSubresource != 0 || NumSubresources != 1)))
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{
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return 0;
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}
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BYTE* pData;
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HRESULT hr = pIntermediate->Map(0, nullptr, reinterpret_cast<void**>(&pData));
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if (FAILED(hr))
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{
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return 0;
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}
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for (UINT i = 0; i < NumSubresources; ++i)
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{
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if (pRowSizesInBytes[i] > SIZE_T(-1)) return 0;
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D3D12_MEMCPY_DEST DestData = { pData + pLayouts[i].Offset, pLayouts[i].Footprint.RowPitch, SIZE_T(pLayouts[i].Footprint.RowPitch) * SIZE_T(pNumRows[i]) };
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MemcpySubresource(&DestData, &pSrcData[i], static_cast<SIZE_T>(pRowSizesInBytes[i]), pNumRows[i], pLayouts[i].Footprint.Depth);
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}
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pIntermediate->Unmap(0, nullptr);
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if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
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{
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pCmdList->CopyBufferRegion(
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pDestinationResource, 0, pIntermediate, pLayouts[0].Offset, pLayouts[0].Footprint.Width);
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}
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else
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{
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for (UINT i = 0; i < NumSubresources; ++i)
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{
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const CD3DX12_TEXTURE_COPY_LOCATION Dst(pDestinationResource, i + FirstSubresource);
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const CD3DX12_TEXTURE_COPY_LOCATION Src(pIntermediate, pLayouts[i]);
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pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, nullptr);
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}
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}
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return RequiredSize;
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}
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//------------------------------------------------------------------------------------------------
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// All arrays must be populated (e.g. by calling GetCopyableFootprints)
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inline UINT64 UpdateSubresources(
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_In_ ID3D12GraphicsCommandList* pCmdList,
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_In_ ID3D12Resource* pDestinationResource,
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_In_ ID3D12Resource* pIntermediate,
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_In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources,
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UINT64 RequiredSize,
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_In_reads_(NumSubresources) const D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
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_In_reads_(NumSubresources) const UINT* pNumRows,
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_In_reads_(NumSubresources) const UINT64* pRowSizesInBytes,
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_In_ const void* pResourceData,
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_In_reads_(NumSubresources) const D3D12_SUBRESOURCE_INFO* pSrcData) noexcept
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{
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// Minor validation
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto IntermediateDesc = pIntermediate->GetDesc();
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const auto DestinationDesc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc1, tmpDesc2;
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const auto& IntermediateDesc = *pIntermediate->GetDesc(&tmpDesc1);
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const auto& DestinationDesc = *pDestinationResource->GetDesc(&tmpDesc2);
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#endif
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if (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER ||
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IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset ||
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RequiredSize > SIZE_T(-1) ||
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(DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER &&
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(FirstSubresource != 0 || NumSubresources != 1)))
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{
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return 0;
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}
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BYTE* pData;
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HRESULT hr = pIntermediate->Map(0, nullptr, reinterpret_cast<void**>(&pData));
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if (FAILED(hr))
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{
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return 0;
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}
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for (UINT i = 0; i < NumSubresources; ++i)
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{
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if (pRowSizesInBytes[i] > SIZE_T(-1)) return 0;
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D3D12_MEMCPY_DEST DestData = { pData + pLayouts[i].Offset, pLayouts[i].Footprint.RowPitch, SIZE_T(pLayouts[i].Footprint.RowPitch) * SIZE_T(pNumRows[i]) };
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MemcpySubresource(&DestData, pResourceData, &pSrcData[i], static_cast<SIZE_T>(pRowSizesInBytes[i]), pNumRows[i], pLayouts[i].Footprint.Depth);
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}
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pIntermediate->Unmap(0, nullptr);
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if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
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{
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pCmdList->CopyBufferRegion(
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pDestinationResource, 0, pIntermediate, pLayouts[0].Offset, pLayouts[0].Footprint.Width);
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}
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else
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{
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for (UINT i = 0; i < NumSubresources; ++i)
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{
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const CD3DX12_TEXTURE_COPY_LOCATION Dst(pDestinationResource, i + FirstSubresource);
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const CD3DX12_TEXTURE_COPY_LOCATION Src(pIntermediate, pLayouts[i]);
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pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, nullptr);
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}
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}
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return RequiredSize;
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}
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//------------------------------------------------------------------------------------------------
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// Heap-allocating UpdateSubresources implementation
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inline UINT64 UpdateSubresources(
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_In_ ID3D12GraphicsCommandList* pCmdList,
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_In_ ID3D12Resource* pDestinationResource,
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_In_ ID3D12Resource* pIntermediate,
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UINT64 IntermediateOffset,
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_In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources,
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_In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData) noexcept
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{
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UINT64 RequiredSize = 0;
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const auto MemToAlloc = static_cast<UINT64>(sizeof(D3D12_PLACED_SUBRESOURCE_FOOTPRINT) + sizeof(UINT) + sizeof(UINT64)) * NumSubresources;
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if (MemToAlloc > SIZE_MAX)
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{
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return 0;
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}
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void* pMem = HeapAlloc(GetProcessHeap(), 0, static_cast<SIZE_T>(MemToAlloc));
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if (pMem == nullptr)
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{
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return 0;
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}
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auto pLayouts = static_cast<D3D12_PLACED_SUBRESOURCE_FOOTPRINT*>(pMem);
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auto pRowSizesInBytes = reinterpret_cast<UINT64*>(pLayouts + NumSubresources);
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auto pNumRows = reinterpret_cast<UINT*>(pRowSizesInBytes + NumSubresources);
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto Desc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc;
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const auto& Desc = *pDestinationResource->GetDesc(&tmpDesc);
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#endif
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ID3D12Device* pDevice = nullptr;
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pDestinationResource->GetDevice(IID_ID3D12Device, reinterpret_cast<void**>(&pDevice));
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pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, IntermediateOffset, pLayouts, pNumRows, pRowSizesInBytes, &RequiredSize);
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pDevice->Release();
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const UINT64 Result = UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, pLayouts, pNumRows, pRowSizesInBytes, pSrcData);
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HeapFree(GetProcessHeap(), 0, pMem);
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return Result;
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}
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//------------------------------------------------------------------------------------------------
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// Heap-allocating UpdateSubresources implementation
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inline UINT64 UpdateSubresources(
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_In_ ID3D12GraphicsCommandList* pCmdList,
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_In_ ID3D12Resource* pDestinationResource,
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_In_ ID3D12Resource* pIntermediate,
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UINT64 IntermediateOffset,
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_In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources,
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_In_ const void* pResourceData,
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_In_reads_(NumSubresources) const D3D12_SUBRESOURCE_INFO* pSrcData) noexcept
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{
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UINT64 RequiredSize = 0;
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const auto MemToAlloc = static_cast<UINT64>(sizeof(D3D12_PLACED_SUBRESOURCE_FOOTPRINT) + sizeof(UINT) + sizeof(UINT64)) * NumSubresources;
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if (MemToAlloc > SIZE_MAX)
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{
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return 0;
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}
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void* pMem = HeapAlloc(GetProcessHeap(), 0, static_cast<SIZE_T>(MemToAlloc));
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if (pMem == nullptr)
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{
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return 0;
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}
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auto pLayouts = static_cast<D3D12_PLACED_SUBRESOURCE_FOOTPRINT*>(pMem);
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auto pRowSizesInBytes = reinterpret_cast<UINT64*>(pLayouts + NumSubresources);
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auto pNumRows = reinterpret_cast<UINT*>(pRowSizesInBytes + NumSubresources);
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto Desc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc;
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const auto& Desc = *pDestinationResource->GetDesc(&tmpDesc);
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#endif
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ID3D12Device* pDevice = nullptr;
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pDestinationResource->GetDevice(IID_ID3D12Device, reinterpret_cast<void**>(&pDevice));
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pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, IntermediateOffset, pLayouts, pNumRows, pRowSizesInBytes, &RequiredSize);
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pDevice->Release();
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const UINT64 Result = UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, pLayouts, pNumRows, pRowSizesInBytes, pResourceData, pSrcData);
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HeapFree(GetProcessHeap(), 0, pMem);
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return Result;
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}
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//------------------------------------------------------------------------------------------------
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// Stack-allocating UpdateSubresources implementation
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template <UINT MaxSubresources>
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inline UINT64 UpdateSubresources(
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_In_ ID3D12GraphicsCommandList* pCmdList,
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_In_ ID3D12Resource* pDestinationResource,
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_In_ ID3D12Resource* pIntermediate,
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UINT64 IntermediateOffset,
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_In_range_(0,MaxSubresources) UINT FirstSubresource,
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_In_range_(1,MaxSubresources-FirstSubresource) UINT NumSubresources,
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_In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData) noexcept
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{
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UINT64 RequiredSize = 0;
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D3D12_PLACED_SUBRESOURCE_FOOTPRINT Layouts[MaxSubresources];
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UINT NumRows[MaxSubresources];
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UINT64 RowSizesInBytes[MaxSubresources];
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto Desc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc;
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const auto& Desc = *pDestinationResource->GetDesc(&tmpDesc);
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#endif
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ID3D12Device* pDevice = nullptr;
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pDestinationResource->GetDevice(IID_ID3D12Device, reinterpret_cast<void**>(&pDevice));
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pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, IntermediateOffset, Layouts, NumRows, RowSizesInBytes, &RequiredSize);
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pDevice->Release();
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return UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, Layouts, NumRows, RowSizesInBytes, pSrcData);
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}
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//------------------------------------------------------------------------------------------------
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// Stack-allocating UpdateSubresources implementation
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template <UINT MaxSubresources>
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inline UINT64 UpdateSubresources(
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_In_ ID3D12GraphicsCommandList* pCmdList,
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_In_ ID3D12Resource* pDestinationResource,
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_In_ ID3D12Resource* pIntermediate,
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UINT64 IntermediateOffset,
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_In_range_(0,MaxSubresources) UINT FirstSubresource,
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_In_range_(1,MaxSubresources-FirstSubresource) UINT NumSubresources,
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_In_ const void* pResourceData,
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_In_reads_(NumSubresources) const D3D12_SUBRESOURCE_INFO* pSrcData) noexcept
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{
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UINT64 RequiredSize = 0;
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D3D12_PLACED_SUBRESOURCE_FOOTPRINT Layouts[MaxSubresources];
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UINT NumRows[MaxSubresources];
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UINT64 RowSizesInBytes[MaxSubresources];
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#if defined(_MSC_VER) || !defined(_WIN32)
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const auto Desc = pDestinationResource->GetDesc();
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#else
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D3D12_RESOURCE_DESC tmpDesc;
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const auto& Desc = *pDestinationResource->GetDesc(&tmpDesc);
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#endif
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ID3D12Device* pDevice = nullptr;
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pDestinationResource->GetDevice(IID_ID3D12Device, reinterpret_cast<void**>(&pDevice));
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pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, IntermediateOffset, Layouts, NumRows, RowSizesInBytes, &RequiredSize);
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pDevice->Release();
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return UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, Layouts, NumRows, RowSizesInBytes, pResourceData, pSrcData);
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}
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//------------------------------------------------------------------------------------------------
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constexpr bool D3D12IsLayoutOpaque( D3D12_TEXTURE_LAYOUT Layout ) noexcept
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{ return Layout == D3D12_TEXTURE_LAYOUT_UNKNOWN || Layout == D3D12_TEXTURE_LAYOUT_64KB_UNDEFINED_SWIZZLE; }
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//------------------------------------------------------------------------------------------------
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template< typename T >
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inline T D3DX12Align(T uValue, T uAlign)
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{
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// Assert power of 2 alignment
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D3DX12_ASSERT(0 == (uAlign & (uAlign - 1)));
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T uMask = uAlign - 1;
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T uResult = (uValue + uMask) & ~uMask;
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D3DX12_ASSERT(uResult >= uValue);
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D3DX12_ASSERT(0 == (uResult % uAlign));
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return uResult;
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}
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//------------------------------------------------------------------------------------------------
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template< typename T >
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inline T D3DX12AlignAtLeast(T uValue, T uAlign)
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{
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T aligned = D3DX12Align(uValue, uAlign);
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return aligned > uAlign ? aligned : uAlign;
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}
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inline const CD3DX12_RESOURCE_DESC1* D3DX12ConditionallyExpandAPIDesc(
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D3D12_RESOURCE_DESC1& LclDesc,
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const D3D12_RESOURCE_DESC1* pDesc)
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{
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return D3DX12ConditionallyExpandAPIDesc(static_cast<CD3DX12_RESOURCE_DESC1&>(LclDesc), static_cast<const CD3DX12_RESOURCE_DESC1*>(pDesc));
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}
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#if defined(D3D12_SDK_VERSION) && (D3D12_SDK_VERSION >= 606)
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//------------------------------------------------------------------------------------------------
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// The difference between D3DX12GetCopyableFootprints and ID3D12Device::GetCopyableFootprints
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// is that this one loses a lot of error checking by assuming the arguments are correct
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inline bool D3DX12GetCopyableFootprints(
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_In_ const D3D12_RESOURCE_DESC1& ResourceDesc,
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_In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource) UINT NumSubresources,
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UINT64 BaseOffset,
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_Out_writes_opt_(NumSubresources) D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
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_Out_writes_opt_(NumSubresources) UINT* pNumRows,
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_Out_writes_opt_(NumSubresources) UINT64* pRowSizeInBytes,
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_Out_opt_ UINT64* pTotalBytes)
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{
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constexpr UINT64 uint64_max = ~0ull;
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UINT64 TotalBytes = uint64_max;
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UINT uSubRes = 0;
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bool bResourceOverflow = false;
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TotalBytes = 0;
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const DXGI_FORMAT Format = ResourceDesc.Format;
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CD3DX12_RESOURCE_DESC1 LresourceDesc;
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const CD3DX12_RESOURCE_DESC1& resourceDesc = *D3DX12ConditionallyExpandAPIDesc(LresourceDesc, &ResourceDesc);
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// Check if its a valid format
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D3DX12_ASSERT(D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::FormatExists(Format));
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const UINT WidthAlignment = D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetWidthAlignment( Format );
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const UINT HeightAlignment = D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetHeightAlignment( Format );
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const UINT16 DepthAlignment = UINT16( D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetDepthAlignment( Format ) );
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for (; uSubRes < NumSubresources; ++uSubRes)
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{
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bool bOverflow = false;
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UINT Subresource = FirstSubresource + uSubRes;
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D3DX12_ASSERT(resourceDesc.MipLevels != 0);
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UINT subresourceCount = resourceDesc.MipLevels * resourceDesc.ArraySize() * D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetPlaneCount(resourceDesc.Format);
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if (Subresource > subresourceCount)
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{
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break;
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}
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TotalBytes = D3DX12Align< UINT64 >( TotalBytes, D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT );
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UINT MipLevel, ArraySlice, PlaneSlice;
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D3D12DecomposeSubresource(Subresource, resourceDesc.MipLevels, resourceDesc.ArraySize(), /*_Out_*/MipLevel, /*_Out_*/ArraySlice, /*_Out_*/PlaneSlice);
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const UINT64 Width = D3DX12AlignAtLeast<UINT64>(resourceDesc.Width >> MipLevel, WidthAlignment);
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const UINT Height = D3DX12AlignAtLeast(resourceDesc.Height >> MipLevel, HeightAlignment);
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const UINT16 Depth = D3DX12AlignAtLeast<UINT16>(resourceDesc.Depth() >> MipLevel, DepthAlignment);
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// Adjust for the current PlaneSlice. Most formats have only one plane.
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DXGI_FORMAT PlaneFormat;
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UINT32 MinPlanePitchWidth, PlaneWidth, PlaneHeight;
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D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetPlaneSubsampledSizeAndFormatForCopyableLayout(PlaneSlice, Format, (UINT)Width, Height, /*_Out_*/ PlaneFormat, /*_Out_*/ MinPlanePitchWidth, /* _Out_ */ PlaneWidth, /*_Out_*/ PlaneHeight);
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D3D12_SUBRESOURCE_FOOTPRINT LocalPlacement;
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auto& Placement = pLayouts ? pLayouts[uSubRes].Footprint : LocalPlacement;
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Placement.Format = PlaneFormat;
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Placement.Width = PlaneWidth;
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Placement.Height = PlaneHeight;
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Placement.Depth = Depth;
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// Calculate row pitch
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UINT MinPlaneRowPitch = 0;
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D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::CalculateMinimumRowMajorRowPitch(PlaneFormat, MinPlanePitchWidth, MinPlaneRowPitch);
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// Formats with more than one plane choose a larger pitch alignment to ensure that each plane begins on the row
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// immediately following the previous plane while still adhering to subresource alignment restrictions.
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static_assert( D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT >= D3D12_TEXTURE_DATA_PITCH_ALIGNMENT
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&& ((D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT % D3D12_TEXTURE_DATA_PITCH_ALIGNMENT) == 0),
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"D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT must be >= and evenly divisible by D3D12_TEXTURE_DATA_PITCH_ALIGNMENT." );
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Placement.RowPitch = D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::Planar(Format)
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? D3DX12Align< UINT >( MinPlaneRowPitch, D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT )
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: D3DX12Align< UINT >( MinPlaneRowPitch, D3D12_TEXTURE_DATA_PITCH_ALIGNMENT );
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if (pRowSizeInBytes)
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{
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UINT PlaneRowSize = 0;
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D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::CalculateMinimumRowMajorRowPitch(PlaneFormat, PlaneWidth, PlaneRowSize);
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pRowSizeInBytes[uSubRes] = PlaneRowSize;
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}
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// Number of rows (accounting for block compression and additional planes)
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UINT NumRows = 0;
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if (D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::Planar(Format))
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{
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NumRows = PlaneHeight;
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}
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else
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{
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D3DX12_ASSERT(Height % HeightAlignment == 0);
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NumRows = Height / HeightAlignment;
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}
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if (pNumRows)
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{
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pNumRows[uSubRes] = NumRows;
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}
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// Offsetting
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if (pLayouts)
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{
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pLayouts[uSubRes].Offset = (bOverflow ? uint64_max : TotalBytes + BaseOffset);
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}
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const UINT16 NumSlices = Depth;
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const UINT64 SubresourceSize = (NumRows * NumSlices - 1) * Placement.RowPitch + MinPlaneRowPitch;
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// uint64 addition with overflow checking
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TotalBytes = TotalBytes + SubresourceSize;
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if(TotalBytes < SubresourceSize)
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{
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TotalBytes = uint64_max;
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}
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bResourceOverflow = bResourceOverflow || bOverflow;
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}
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// Overflow error
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if (bResourceOverflow)
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{
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TotalBytes = uint64_max;
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}
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if (pLayouts)
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{
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memset( pLayouts + uSubRes, -1, sizeof( *pLayouts ) * (NumSubresources - uSubRes) );
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}
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if (pNumRows)
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{
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memset(pNumRows + uSubRes, -1, sizeof(*pNumRows) * (NumSubresources - uSubRes));
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}
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if (pRowSizeInBytes)
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{
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memset(pRowSizeInBytes + uSubRes, -1, sizeof(*pRowSizeInBytes) * (NumSubresources - uSubRes));
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}
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if (pTotalBytes)
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{
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*pTotalBytes = TotalBytes;
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}
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if(TotalBytes == uint64_max)
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{
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return false;
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}
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return true;
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}
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//------------------------------------------------------------------------------------------------
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inline D3D12_RESOURCE_DESC1 D3DX12ResourceDesc0ToDesc1(D3D12_RESOURCE_DESC const& desc0)
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{
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D3D12_RESOURCE_DESC1 desc1;
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desc1.Dimension = desc0.Dimension;
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desc1.Alignment = desc0.Alignment;
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desc1.Width = desc0.Width;
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desc1.Height = desc0.Height;
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desc1.DepthOrArraySize = desc0.DepthOrArraySize;
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desc1.MipLevels = desc0.MipLevels;
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desc1.Format = desc0.Format;
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desc1.SampleDesc.Count = desc0.SampleDesc.Count;
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desc1.SampleDesc.Quality = desc0.SampleDesc.Quality;
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desc1.Layout = desc0.Layout;
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desc1.Flags = desc0.Flags;
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desc1.SamplerFeedbackMipRegion.Width = 0;
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desc1.SamplerFeedbackMipRegion.Height = 0;
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desc1.SamplerFeedbackMipRegion.Depth = 0;
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return desc1;
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}
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//------------------------------------------------------------------------------------------------
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inline bool D3DX12GetCopyableFootprints(
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_In_ const D3D12_RESOURCE_DESC& pResourceDesc,
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_In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
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_In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource) UINT NumSubresources,
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UINT64 BaseOffset,
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_Out_writes_opt_(NumSubresources) D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
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_Out_writes_opt_(NumSubresources) UINT* pNumRows,
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_Out_writes_opt_(NumSubresources) UINT64* pRowSizeInBytes,
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_Out_opt_ UINT64* pTotalBytes)
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{
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// From D3D12_RESOURCE_DESC to D3D12_RESOURCE_DESC1
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D3D12_RESOURCE_DESC1 desc = D3DX12ResourceDesc0ToDesc1(pResourceDesc);
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return D3DX12GetCopyableFootprints(
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*static_cast<CD3DX12_RESOURCE_DESC1*>(&desc),// From D3D12_RESOURCE_DESC1 to CD3DX12_RESOURCE_DESC1
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FirstSubresource,
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NumSubresources,
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BaseOffset,
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pLayouts,
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pNumRows,
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pRowSizeInBytes,
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pTotalBytes);
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}
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#endif // D3D12_SDK_VERSION >= 606
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