xref: /aosp_15_r20/external/skia/src/gpu/graphite/render/MiddleOutFanRenderStep.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2022 Google LLC
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #ifndef skgpu_graphite_render_MiddleOutFanRenderStep_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker #define skgpu_graphite_render_MiddleOutFanRenderStep_DEFINED
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkVx.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/graphite/Renderer.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <string>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker namespace skgpu::graphite {
17*c8dee2aaSAndroid Build Coastguard Worker 
18*c8dee2aaSAndroid Build Coastguard Worker class DrawParams;
19*c8dee2aaSAndroid Build Coastguard Worker class DrawWriter;
20*c8dee2aaSAndroid Build Coastguard Worker class PipelineDataGatherer;
21*c8dee2aaSAndroid Build Coastguard Worker 
22*c8dee2aaSAndroid Build Coastguard Worker class MiddleOutFanRenderStep final : public RenderStep {
23*c8dee2aaSAndroid Build Coastguard Worker public:
24*c8dee2aaSAndroid Build Coastguard Worker     // TODO: If this takes DepthStencilSettings directly and a way to adjust the flags to specify
25*c8dee2aaSAndroid Build Coastguard Worker     // that it performs shading, this RenderStep definition can be shared between the stencil and
26*c8dee2aaSAndroid Build Coastguard Worker     // the convex rendering variants.
27*c8dee2aaSAndroid Build Coastguard Worker     MiddleOutFanRenderStep(bool evenOdd);
28*c8dee2aaSAndroid Build Coastguard Worker 
29*c8dee2aaSAndroid Build Coastguard Worker     ~MiddleOutFanRenderStep() override;
30*c8dee2aaSAndroid Build Coastguard Worker 
31*c8dee2aaSAndroid Build Coastguard Worker     std::string vertexSkSL() const override;
32*c8dee2aaSAndroid Build Coastguard Worker     void writeVertices(DrawWriter*, const DrawParams&, skvx::uint2 ssboIndices) const override;
33*c8dee2aaSAndroid Build Coastguard Worker     void writeUniformsAndTextures(const DrawParams&, PipelineDataGatherer*) const override;
34*c8dee2aaSAndroid Build Coastguard Worker };
35*c8dee2aaSAndroid Build Coastguard Worker 
36*c8dee2aaSAndroid Build Coastguard Worker }  // namespace skgpu::graphite
37*c8dee2aaSAndroid Build Coastguard Worker 
38*c8dee2aaSAndroid Build Coastguard Worker #endif // skgpu_graphite_render_MiddleOutFanRenderStep_DEFINED
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