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_TessellateCurvesRenderStep_DEFINED 9 #define skgpu_graphite_render_TessellateCurvesRenderStep_DEFINED 10 11 #include "src/base/SkVx.h" 12 #include "src/gpu/graphite/Renderer.h" 13 #include "src/gpu/graphite/ResourceTypes.h" 14 #include <string> 15 16 namespace skgpu::graphite { 17 18 class DrawParams; 19 class DrawWriter; 20 class PipelineDataGatherer; 21 class StaticBufferManager; 22 23 class TessellateCurvesRenderStep final : public RenderStep { 24 public: 25 // TODO: If this takes DepthStencilSettings directly and a way to adjust the flags to specify 26 // that it performs shading, this RenderStep definition can be shared between the stencil and 27 // the convex rendering variants. 28 TessellateCurvesRenderStep(bool evenOdd, 29 bool infinitySupport, 30 StaticBufferManager* bufferManager); 31 32 ~TessellateCurvesRenderStep() override; 33 34 std::string vertexSkSL() const override; 35 void writeVertices(DrawWriter*, const DrawParams&, skvx::uint2 ssboIndices) const override; 36 void writeUniformsAndTextures(const DrawParams&, PipelineDataGatherer*) const override; 37 38 private: 39 // Points to the static buffers holding the fixed indexed vertex template for drawing instances. 40 BindBufferInfo fVertexBuffer; 41 BindBufferInfo fIndexBuffer; 42 bool fInfinitySupport; 43 }; 44 45 } // namespace skgpu::graphite 46 47 #endif // skgpu_graphite_render_TessellateCurvesRenderStep_DEFINED 48