xref: /aosp_15_r20/external/skia/src/gpu/graphite/render/SDFTextLCDRenderStep.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2024 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_SDFTextLCDRenderStep_DEFINED
9 #define skgpu_graphite_render_SDFTextLCDRenderStep_DEFINED
10 
11 #include "src/base/SkVx.h"
12 #include "src/gpu/graphite/Renderer.h"
13 #include <string>
14 
15 namespace skgpu::graphite {
16 
17 class DrawParams;
18 class DrawWriter;
19 class PipelineDataGatherer;
20 struct ResourceBindingRequirements;
21 
22 class SDFTextLCDRenderStep final : public RenderStep {
23 public:
24     SDFTextLCDRenderStep();
25 
26     ~SDFTextLCDRenderStep() override;
27 
28     std::string vertexSkSL() const override;
29     std::string texturesAndSamplersSkSL(const ResourceBindingRequirements&,
30                                         int* nextBindingIndex) const override;
31     const char* fragmentCoverageSkSL() const override;
32 
33     void writeVertices(DrawWriter*, const DrawParams&, skvx::uint2 ssboIndices) const override;
34     void writeUniformsAndTextures(const DrawParams&, PipelineDataGatherer*) const override;
35 };
36 
37 }  // namespace skgpu::graphite
38 
39 #endif // skgpu_graphite_render_SDFTextLCDRenderStep_DEFINED
40