1/* 2* Copyright 2016 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 GrVkPipelineStateBuilder_DEFINED 9#define GrVkPipelineStateBuilder_DEFINED 10 11#include "glsl/GrGLSLProgramBuilder.h" 12 13#include "GrPipeline.h" 14#include "GrVkPipelineState.h" 15#include "GrVkUniformHandler.h" 16#include "GrVkVaryingHandler.h" 17#include "SkSLCompiler.h" 18 19#include "vk/GrVkDefines.h" 20 21class GrProgramDesc; 22class GrVkGpu; 23class GrVkRenderPass; 24 25class GrVkPipelineStateBuilder : public GrGLSLProgramBuilder { 26public: 27 /** Generates a pipeline state. 28 * 29 * The GrVkPipelineState implements what is specified in the GrPipeline and GrPrimitiveProcessor 30 * as input. After successful generation, the builder result objects are available to be used. 31 * This function may modify the program key by setting the surface origin key to 0 (unspecified) 32 * if it turns out the program does not care about the surface origin. 33 * @return true if generation was successful. 34 */ 35 static GrVkPipelineState* CreatePipelineState(GrVkGpu*, 36 const GrPipeline&, 37 const GrStencilSettings&, 38 const GrPrimitiveProcessor&, 39 GrPrimitiveType, 40 GrVkPipelineState::Desc*, 41 const GrVkRenderPass& renderPass); 42 43 const GrCaps* caps() const override; 44 45 GrVkGpu* gpu() const { return fGpu; } 46 47 void finalizeFragmentOutputColor(GrShaderVar& outputColor) override; 48 void finalizeFragmentSecondaryColor(GrShaderVar& outputColor) override; 49 50private: 51 GrVkPipelineStateBuilder(GrVkGpu*, 52 const GrPipeline&, 53 const GrPrimitiveProcessor&, 54 GrProgramDesc*); 55 56 GrVkPipelineState* finalize(const GrStencilSettings&, 57 GrPrimitiveType primitiveType, 58 const GrVkRenderPass& renderPass, 59 GrVkPipelineState::Desc*); 60 61 bool createVkShaderModule(VkShaderStageFlagBits stage, 62 const GrGLSLShaderBuilder& builder, 63 VkShaderModule* shaderModule, 64 VkPipelineShaderStageCreateInfo* stageInfo, 65 const SkSL::Program::Settings& settings, 66 GrVkPipelineState::Desc* desc); 67 68 GrGLSLUniformHandler* uniformHandler() override { return &fUniformHandler; } 69 const GrGLSLUniformHandler* uniformHandler() const override { return &fUniformHandler; } 70 GrGLSLVaryingHandler* varyingHandler() override { return &fVaryingHandler; } 71 72 GrVkGpu* fGpu; 73 GrVkVaryingHandler fVaryingHandler; 74 GrVkUniformHandler fUniformHandler; 75 76 typedef GrGLSLProgramBuilder INHERITED; 77}; 78 79#endif 80