| // 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" |
| |
| #import <Metal/Metal.h> |
| |
| namespace spirv_cross { |
| class CompilerMSL; |
| } |
| |
| namespace dawn_native { namespace metal { |
| |
| class Device; |
| class PipelineLayout; |
| |
| class ShaderModule : public ShaderModuleBase { |
| public: |
| ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor); |
| |
| struct MetalFunctionData { |
| id<MTLFunction> function; |
| MTLSize localWorkgroupSize; |
| bool needsStorageBufferLength; |
| ~MetalFunctionData() { |
| [function release]; |
| } |
| }; |
| MetalFunctionData GetFunction(const char* functionName, |
| ShaderStage functionStage, |
| const PipelineLayout* layout) const; |
| |
| private: |
| // Calling compile on CompilerMSL somehow changes internal state that makes subsequent |
| // compiles return invalid MSL. We keep the spirv around and recreate the compiler everytime |
| // we need to use it. |
| std::vector<uint32_t> mSpirv; |
| }; |
| |
| }} // namespace dawn_native::metal |
| |
| #endif // DAWNNATIVE_METAL_SHADERMODULEMTL_H_ |