| // Copyright 2017 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_SHADERMODULEMTL_H_ |
| #define DAWNNATIVE_METAL_SHADERMODULEMTL_H_ |
| |
| #include "dawn_native/ShaderModule.h" |
| |
| #include "common/NSRef.h" |
| #include "dawn_native/Error.h" |
| |
| #import <Metal/Metal.h> |
| |
| namespace dawn::native::metal { |
| |
| class Device; |
| class PipelineLayout; |
| class RenderPipeline; |
| |
| class ShaderModule final : public ShaderModuleBase { |
| public: |
| static ResultOrError<Ref<ShaderModule>> Create(Device* device, |
| const ShaderModuleDescriptor* descriptor, |
| ShaderModuleParseResult* parseResult); |
| |
| struct MetalFunctionData { |
| NSPRef<id<MTLFunction>> function; |
| bool needsStorageBufferLength; |
| std::vector<uint32_t> workgroupAllocations; |
| }; |
| |
| // MTLFunctionConstantValues needs @available tag to compile |
| // Use id (like void*) in function signature as workaround and do static cast inside |
| MaybeError CreateFunction(const char* entryPointName, |
| SingleShaderStage stage, |
| const PipelineLayout* layout, |
| MetalFunctionData* out, |
| id constantValues = nil, |
| uint32_t sampleMask = 0xFFFFFFFF, |
| const RenderPipeline* renderPipeline = nullptr); |
| |
| private: |
| ResultOrError<std::string> TranslateToMSL(const char* entryPointName, |
| SingleShaderStage stage, |
| const PipelineLayout* layout, |
| uint32_t sampleMask, |
| const RenderPipeline* renderPipeline, |
| std::string* remappedEntryPointName, |
| bool* needsStorageBufferLength, |
| bool* hasInvariantAttribute, |
| std::vector<uint32_t>* workgroupAllocations); |
| ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor); |
| ~ShaderModule() override = default; |
| MaybeError Initialize(ShaderModuleParseResult* parseResult); |
| }; |
| |
| } // namespace dawn::native::metal |
| |
| #endif // DAWNNATIVE_METAL_SHADERMODULEMTL_H_ |