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_MiddleOutFanRenderStep_DEFINED 9 #define skgpu_graphite_render_MiddleOutFanRenderStep_DEFINED 10 11 #include "src/base/SkVx.h" 12 #include "src/gpu/graphite/Renderer.h" 13 14 #include <string> 15 16 namespace skgpu::graphite { 17 18 class DrawParams; 19 class DrawWriter; 20 class PipelineDataGatherer; 21 22 class MiddleOutFanRenderStep final : public RenderStep { 23 public: 24 // TODO: If this takes DepthStencilSettings directly and a way to adjust the flags to specify 25 // that it performs shading, this RenderStep definition can be shared between the stencil and 26 // the convex rendering variants. 27 MiddleOutFanRenderStep(bool evenOdd); 28 29 ~MiddleOutFanRenderStep() override; 30 31 std::string vertexSkSL() const override; 32 void writeVertices(DrawWriter*, const DrawParams&, skvx::uint2 ssboIndices) const override; 33 void writeUniformsAndTextures(const DrawParams&, PipelineDataGatherer*) const override; 34 }; 35 36 } // namespace skgpu::graphite 37 38 #endif // skgpu_graphite_render_MiddleOutFanRenderStep_DEFINED 39