1 // Copyright 2017 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef DAWNNATIVE_D3D12_TEXTURECOPYSPLITTER_H_ 16 #define DAWNNATIVE_D3D12_TEXTURECOPYSPLITTER_H_ 17 18 #include "dawn_native/dawn_platform.h" 19 20 #include <array> 21 22 namespace dawn_native { 23 24 struct TexelBlockInfo; 25 26 } // namespace dawn_native 27 28 namespace dawn_native { namespace d3d12 { 29 30 struct Texture2DCopySplit { 31 static constexpr unsigned int kMaxTextureCopyRegions = 2; 32 33 struct CopyInfo { 34 Origin3D textureOffset; 35 Origin3D bufferOffset; 36 Extent3D bufferSize; 37 38 Extent3D copySize; 39 }; 40 41 uint64_t offset = 0; 42 uint32_t count = 0; 43 std::array<CopyInfo, kMaxTextureCopyRegions> copies; 44 }; 45 46 struct TextureCopySplits { 47 static constexpr uint32_t kMaxTextureCopySplits = 2; 48 49 std::array<Texture2DCopySplit, kMaxTextureCopySplits> copies2D; 50 }; 51 52 Texture2DCopySplit ComputeTextureCopySplit(Origin3D origin, 53 Extent3D copySize, 54 const TexelBlockInfo& blockInfo, 55 uint64_t offset, 56 uint32_t bytesPerRow, 57 uint32_t rowsPerImage); 58 59 TextureCopySplits ComputeTextureCopySplits(Origin3D origin, 60 Extent3D copySize, 61 const TexelBlockInfo& blockInfo, 62 uint64_t offset, 63 uint32_t bytesPerRow, 64 uint32_t rowsPerImage); 65 }} // namespace dawn_native::d3d12 66 67 #endif // DAWNNATIVE_D3D12_TEXTURECOPYSPLITTER_H_ 68