1 /* 2 * Copyright 2021 Google LLC 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 skgpu_graphite_GraphicsPipelineDesc_DEFINED 9 #define skgpu_graphite_GraphicsPipelineDesc_DEFINED 10 11 #include "src/gpu/graphite/Renderer.h" 12 #include "src/gpu/graphite/UniquePaintParamsID.h" 13 14 namespace skgpu::graphite { 15 16 class ShaderCodeDictionary; 17 18 /** 19 * GraphicsPipelineDesc represents the state needed to create a backend specific GraphicsPipeline, 20 * minus the target-specific properties that can be inferred from the DrawPass and RenderPassTask. 21 */ 22 class GraphicsPipelineDesc { 23 public: GraphicsPipelineDesc()24 GraphicsPipelineDesc() : fRenderStepID(RenderStep::RenderStepID::kInvalid) 25 , fPaintID(UniquePaintParamsID::Invalid()) {} GraphicsPipelineDesc(RenderStep::RenderStepID renderStepID,UniquePaintParamsID paintID)26 GraphicsPipelineDesc(RenderStep::RenderStepID renderStepID, UniquePaintParamsID paintID) 27 : fRenderStepID(renderStepID) 28 , fPaintID(paintID) {} 29 30 bool operator==(const GraphicsPipelineDesc& that) const { 31 return fRenderStepID == that.fRenderStepID && fPaintID == that.fPaintID; 32 } 33 34 bool operator!=(const GraphicsPipelineDesc& other) const { 35 return !(*this == other); 36 } 37 38 // Describes the geometric portion of the pipeline's program and the pipeline's fixed state 39 // (except for renderpass-level state that will never change between draws). renderStepID()40 RenderStep::RenderStepID renderStepID() const { return fRenderStepID; } 41 // UniqueID of the required PaintParams paintParamsID()42 UniquePaintParamsID paintParamsID() const { return fPaintID; } 43 44 #if defined(GPU_TEST_UTILS) 45 SkString toString(ShaderCodeDictionary* dict) const; 46 #endif 47 48 private: 49 // Each RenderStep defines a fixed set of attributes and rasterization state, as well as the 50 // shader fragments that control the geometry and coverage calculations. The RenderStep's shader 51 // is combined with the rest of the shader generated from the PaintParams. Because each 52 // RenderStep is fixed, its pointer can be used as a proxy for everything that it specifies in 53 // the GraphicsPipeline. 54 RenderStep::RenderStepID fRenderStepID; 55 UniquePaintParamsID fPaintID; 56 }; 57 58 } // namespace skgpu::graphite 59 60 #endif // skgpu_graphite_GraphicsPipelineDesc_DEFINED 61