| /* |
| * Copyright 2019 Google LLC. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef TessellationPathRenderer_DEFINED |
| #define TessellationPathRenderer_DEFINED |
| |
| #include "include/gpu/GrTypes.h" |
| #include "src/gpu/ganesh/PathRenderer.h" |
| |
| class GrCaps; |
| |
| namespace skgpu::ganesh { |
| |
| // This is the tie-in point for path rendering via PathTessellateOp. This path renderer draws |
| // paths using a hybrid Red Book "stencil, then cover" method. Curves get linearized by GPU |
| // tessellation shaders. This path renderer doesn't apply analytic AA, so it requires MSAA if AA is |
| // desired. |
| class TessellationPathRenderer final : public PathRenderer { |
| public: |
| static bool IsSupported(const GrCaps&); |
| |
| const char* name() const override { return "Tessellation"; } |
| |
| private: |
| StencilSupport onGetStencilSupport(const GrStyledShape&) const override; |
| CanDrawPath onCanDrawPath(const CanDrawPathArgs&) const override; |
| bool onDrawPath(const DrawPathArgs&) override; |
| void onStencilPath(const StencilPathArgs&) override; |
| }; |
| |
| } // namespace skgpu::ganesh |
| |
| #endif // TessellationPathRenderer_DEFINED |