1 /* 2 * Copyright 2022 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_render_TessellateWedgesRenderStep_DEFINED 9 #define skgpu_graphite_render_TessellateWedgesRenderStep_DEFINED 10 11 #include "src/base/SkVx.h" 12 #include "src/gpu/graphite/Renderer.h" 13 #include "src/gpu/graphite/ResourceTypes.h" 14 15 #include <string> 16 #include <utility> 17 18 namespace skgpu::graphite { 19 20 class DrawParams; 21 class DrawWriter; 22 class PipelineDataGatherer; 23 class StaticBufferManager; 24 struct DepthStencilSettings; 25 26 class TessellateWedgesRenderStep final : public RenderStep { 27 public: 28 // 'vertexBuffer' and 'indexBuffer' must have been returned by CreateVertexTemplate(), but they 29 // can be shared by all instances of TessellateWedgesRenderStep. 30 TessellateWedgesRenderStep(RenderStepID renderStepID, 31 bool infinitySupport, 32 DepthStencilSettings depthStencilSettings, 33 StaticBufferManager* bufferManager); 34 35 ~TessellateWedgesRenderStep() override; 36 37 static std::pair<BindBufferInfo, BindBufferInfo> CreateVertexTemplate(StaticBufferManager*); 38 39 std::string vertexSkSL() const override; 40 void writeVertices(DrawWriter*, const DrawParams&, skvx::uint2 ssboIndices) const override; 41 void writeUniformsAndTextures(const DrawParams&, PipelineDataGatherer*) const override; 42 43 private: 44 // Points to the static buffers holding the fixed indexed vertex template for drawing instances. 45 BindBufferInfo fVertexBuffer; 46 BindBufferInfo fIndexBuffer; 47 bool fInfinitySupport; 48 }; 49 50 } // namespace skgpu::graphite 51 52 #endif // skgpu_graphite_render_TessellateWedgesRenderStep_DEFINED 53