/*

 * 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 "src/gpu/ganesh/PathRenderer.h"

class GrCaps;

class GrStyledShape;

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