| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef DAWNNATIVE_METAL_UTILSMETAL_H_ |
| #define DAWNNATIVE_METAL_UTILSMETAL_H_ |
| |
| #include "dawn_native/dawn_platform.h" |
| #include "dawn_native/metal/DeviceMTL.h" |
| #include "dawn_native/metal/ShaderModuleMTL.h" |
| #include "dawn_native/metal/TextureMTL.h" |
| |
| #import <Metal/Metal.h> |
| |
| namespace dawn_native { |
| struct ProgrammableStage; |
| struct EntryPointMetadata; |
| enum class SingleShaderStage; |
| } |
| |
| namespace dawn_native { namespace metal { |
| |
| MTLCompareFunction ToMetalCompareFunction(wgpu::CompareFunction compareFunction); |
| |
| struct TextureBufferCopySplit { |
| static constexpr uint32_t kMaxTextureBufferCopyRegions = 3; |
| |
| struct CopyInfo { |
| NSUInteger bufferOffset; |
| NSUInteger bytesPerRow; |
| NSUInteger bytesPerImage; |
| Origin3D textureOrigin; |
| Extent3D copyExtent; |
| }; |
| |
| uint32_t count = 0; |
| std::array<CopyInfo, kMaxTextureBufferCopyRegions> copies; |
| |
| auto begin() const { |
| return copies.begin(); |
| } |
| |
| auto end() const { |
| return copies.begin() + count; |
| } |
| }; |
| |
| TextureBufferCopySplit ComputeTextureBufferCopySplit(const Texture* texture, |
| uint32_t mipLevel, |
| Origin3D origin, |
| Extent3D copyExtent, |
| uint64_t bufferSize, |
| uint64_t bufferOffset, |
| uint32_t bytesPerRow, |
| uint32_t rowsPerImage, |
| Aspect aspect); |
| |
| void EnsureDestinationTextureInitialized(CommandRecordingContext* commandContext, |
| Texture* texture, |
| const TextureCopy& dst, |
| const Extent3D& size); |
| |
| MTLBlitOption ComputeMTLBlitOption(const Format& format, Aspect aspect); |
| |
| // Helper function to create function with constant values wrapped in |
| // if available branch |
| MaybeError CreateMTLFunction(const ProgrammableStage& programmableStage, |
| SingleShaderStage singleShaderStage, |
| PipelineLayout* pipelineLayout, |
| ShaderModule::MetalFunctionData* functionData, |
| uint32_t sampleMask = 0xFFFFFFFF, |
| const RenderPipeline* renderPipeline = nullptr); |
| |
| }} // namespace dawn_native::metal |
| |
| #endif // DAWNNATIVE_METAL_UTILSMETAL_H_ |