GrDitherEffect.h revision 5711133a1b216bfa5d1d24aaffd32dc02c64b333 
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 GrDitherEffect.fp; do not modify.
10 **************************************************************************************************/
11#ifndef GrDitherEffect_DEFINED
12#define GrDitherEffect_DEFINED
13#include "SkTypes.h"
14#if SK_SUPPORT_GPU
15#include "GrFragmentProcessor.h"
16#include "GrCoordTransform.h"
17class GrDitherEffect : public GrFragmentProcessor {
18public:
19    int rangeType() const { return fRangeType; }
20
21    static std::unique_ptr<GrFragmentProcessor> Make(GrPixelConfig dstConfig) {
22        int rangeType;
23        switch (dstConfig) {
24            case kGray_8_GrPixelConfig:
25            case kGray_8_as_Lum_GrPixelConfig:
26            case kGray_8_as_Red_GrPixelConfig:
27            case kRGBA_8888_GrPixelConfig:
28            case kBGRA_8888_GrPixelConfig:
29            case kSRGBA_8888_GrPixelConfig:
30            case kSBGRA_8888_GrPixelConfig:
31                rangeType = 0;
32                break;
33            case kRGB_565_GrPixelConfig:
34                rangeType = 1;
35                break;
36            case kRGBA_4444_GrPixelConfig:
37                rangeType = 2;
38                break;
39            case kUnknown_GrPixelConfig:
40            case kAlpha_half_GrPixelConfig:
41            case kAlpha_half_as_Red_GrPixelConfig:
42            case kRGBA_float_GrPixelConfig:
43            case kRG_float_GrPixelConfig:
44            case kRGBA_half_GrPixelConfig:
45            case kAlpha_8_GrPixelConfig:
46            case kAlpha_8_as_Alpha_GrPixelConfig:
47            case kAlpha_8_as_Red_GrPixelConfig:
48                return nullptr;
49        }
50        return std::unique_ptr<GrFragmentProcessor>(new GrDitherEffect(rangeType));
51    }
52    GrDitherEffect(const GrDitherEffect& src);
53    std::unique_ptr<GrFragmentProcessor> clone() const override;
54    const char* name() const override { return "DitherEffect"; }
55
56private:
57    GrDitherEffect(int rangeType)
58            : INHERITED(kGrDitherEffect_ClassID, kNone_OptimizationFlags), fRangeType(rangeType) {}
59    GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
60    void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
61    bool onIsEqual(const GrFragmentProcessor&) const override;
62    GR_DECLARE_FRAGMENT_PROCESSOR_TEST
63    int fRangeType;
64    typedef GrFragmentProcessor INHERITED;
65};
66#endif
67#endif
68