SkBlendModeBlender.h

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/*

 * Copyright 2021 Google LLC

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

*/

#ifndef SkBlendModeBlender_DEFINED

#define SkBlendModeBlender_DEFINED

#include "src/core/SkBlenderBase.h"

class SkBlendModeBlender : public SkBlenderBase {

public:

    SkBlendModeBlender(SkBlendMode mode) : fMode(mode) {}

    SK_FLATTENABLE_HOOKS(SkBlendModeBlender)

private:

    using INHERITED = SkBlenderBase;

    std::optional<SkBlendMode> asBlendMode() const final { return fMode; }

#if defined(SK_GANESH)

    std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(

            std::unique_ptr<GrFragmentProcessor> srcFP,

            std::unique_ptr<GrFragmentProcessor> dstFP,

            const GrFPArgs& fpArgs) const override;

#endif

    void flatten(SkWriteBuffer& buffer) const override;

    bool onAppendStages(const SkStageRec& rec) const override;

    skvm::Color onProgram(skvm::Builder* p, skvm::Color src, skvm::Color dst,

                          const SkColorInfo& colorInfo, skvm::Uniforms* uniforms,

                          SkArenaAlloc* alloc) const override;

    SkBlendMode fMode;

};

#endif