1/*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8/**************************************************************************************************
9 *** This file was autogenerated from GrLumaColorFilterEffect.fp; do not modify.
10 **************************************************************************************************/
11#ifndef GrLumaColorFilterEffect_DEFINED
12#define GrLumaColorFilterEffect_DEFINED
13#include "SkTypes.h"
14#if SK_SUPPORT_GPU
15#include "GrFragmentProcessor.h"
16#include "GrCoordTransform.h"
17class GrLumaColorFilterEffect : public GrFragmentProcessor {
18public:
19#include "SkColorData.h"
20
21    GrColor4f constantOutputForConstantInput(GrColor4f input) const override {
22        float luma = SK_ITU_BT709_LUM_COEFF_R * input.fRGBA[0] +
23                     SK_ITU_BT709_LUM_COEFF_G * input.fRGBA[1] +
24                     SK_ITU_BT709_LUM_COEFF_B * input.fRGBA[2];
25        return GrColor4f(0, 0, 0, luma);
26    }
27    static std::unique_ptr<GrFragmentProcessor> Make() {
28        return std::unique_ptr<GrFragmentProcessor>(new GrLumaColorFilterEffect());
29    }
30    GrLumaColorFilterEffect(const GrLumaColorFilterEffect& src);
31    std::unique_ptr<GrFragmentProcessor> clone() const override;
32    const char* name() const override { return "LumaColorFilterEffect"; }
33
34private:
35    GrLumaColorFilterEffect()
36            : INHERITED(kGrLumaColorFilterEffect_ClassID, kNone_OptimizationFlags) {}
37    GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
38    void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
39    bool onIsEqual(const GrFragmentProcessor&) const override;
40    GR_DECLARE_FRAGMENT_PROCESSOR_TEST
41    typedef GrFragmentProcessor INHERITED;
42};
43#endif
44#endif
45