1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrMtlPipelineStateBuilder_DEFINED 9 #define GrMtlPipelineStateBuilder_DEFINED 10 11 #include "include/gpu/GrContextOptions.h" 12 #include "src/gpu/ganesh/GrPipeline.h" 13 #include "src/gpu/ganesh/glsl/GrGLSLProgramBuilder.h" 14 #include "src/gpu/ganesh/mtl/GrMtlUniformHandler.h" 15 #include "src/gpu/ganesh/mtl/GrMtlVaryingHandler.h" 16 #include "src/sksl/ir/SkSLProgram.h" 17 18 #import <Metal/Metal.h> 19 20 class GrProgramDesc; 21 class GrProgramInfo; 22 class GrMtlCaps; 23 class GrMtlGpu; 24 class GrMtlPipelineState; 25 class SkReadBuffer; 26 27 namespace SkSL { class Compiler; } 28 29 struct GrMtlPrecompiledLibraries { 30 // TODO: wrap these in sk_cfp<> or unique_ptr<> when we remove ARC 31 id<MTLLibrary> fVertexLibrary; 32 id<MTLLibrary> fFragmentLibrary; 33 bool fRTFlip = false; 34 }; 35 36 class GrMtlPipelineStateBuilder : public GrGLSLProgramBuilder { 37 public: 38 /** Generates a pipeline state. 39 * 40 * The returned GrMtlPipelineState implements the supplied GrProgramInfo. 41 * 42 * @return the created pipeline if generation was successful; nullptr otherwise 43 */ 44 static GrMtlPipelineState* CreatePipelineState( 45 GrMtlGpu*, 46 const GrProgramDesc&, 47 const GrProgramInfo&, 48 const GrMtlPrecompiledLibraries* precompiledLibs = nullptr); 49 50 static bool PrecompileShaders(GrMtlGpu*, const SkData&, 51 GrMtlPrecompiledLibraries* precompiledLibs); 52 53 private: 54 GrMtlPipelineStateBuilder(GrMtlGpu*, const GrProgramDesc&, const GrProgramInfo&); 55 56 GrMtlPipelineState* finalize(const GrProgramDesc&, const GrProgramInfo&, 57 const GrMtlPrecompiledLibraries* precompiledLibraries); 58 59 const GrCaps* caps() const override; 60 61 SkSL::Compiler* shaderCompiler() const override; 62 63 void finalizeFragmentSecondaryColor(GrShaderVar& outputColor) override; 64 65 id<MTLLibrary> compileMtlShaderLibrary(const std::string& shader, 66 SkSL::Program::Inputs inputs, 67 GrContextOptions::ShaderErrorHandler* errorHandler); 68 void storeShadersInCache(const std::string shaders[], const SkSL::Program::Inputs inputs[], 69 SkSL::ProgramSettings*, sk_sp<SkData>, bool isSkSL); 70 uniformHandler()71 GrGLSLUniformHandler* uniformHandler() override { return &fUniformHandler; } uniformHandler()72 const GrGLSLUniformHandler* uniformHandler() const override { return &fUniformHandler; } varyingHandler()73 GrGLSLVaryingHandler* varyingHandler() override { return &fVaryingHandler; } 74 75 GrMtlGpu* fGpu; 76 GrMtlUniformHandler fUniformHandler; 77 GrMtlVaryingHandler fVaryingHandler; 78 79 using INHERITED = GrGLSLProgramBuilder; 80 }; 81 #endif 82