GrColorTableEffect.h

Go to the documentation of this file.

/*
 * Copyright 2023 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef GrColorTableEffect_DEFINED
#define GrColorTableEffect_DEFINED
 
#include "src/gpu/ganesh/GrFragmentProcessor.h"
#include "src/gpu/ganesh/GrProcessorUnitTest.h"
 
#include <memory>
 
class GrRecordingContext;
class GrSurfaceProxyView;
class SkBitmap;
struct GrShaderCaps;
 
namespace skgpu {
class KeyBuilder;
}
 
class ColorTableEffect : public GrFragmentProcessor {
public:
    static std::unique_ptr<GrFragmentProcessor> Make(std::unique_ptr<GrFragmentProcessor> inputFP,
                                                     GrRecordingContext* context,
                                                     const SkBitmap& bitmap);
 
    ~ColorTableEffect() override {}
 
    const char* name() const override { return "ColorTableEffect"; }
 
    std::unique_ptr<GrFragmentProcessor> clone() const override {
        return std::unique_ptr<GrFragmentProcessor>(new ColorTableEffect(*this));
    }
 
    inline static constexpr int kTexEffectFPIndex = 0;
    inline static constexpr int kInputFPIndex = 1;
 
private:
    std::unique_ptr<ProgramImpl> onMakeProgramImpl() const override;
 
    void onAddToKey(const GrShaderCaps&, skgpu::KeyBuilder*) const override {}
 
    bool onIsEqual(const GrFragmentProcessor&) const override { return true; }
 
    ColorTableEffect(std::unique_ptr<GrFragmentProcessor> inputFP, GrSurfaceProxyView view);
 
    explicit ColorTableEffect(const ColorTableEffect& that);
 
    GR_DECLARE_FRAGMENT_PROCESSOR_TEST
};
 
#endif