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Side by Side Diff: src/gpu/effects/GrDistanceFieldTextureEffect.h

Issue 582963002: Solo gp (Closed) Base URL: https://skia.googlesource.com/skia.git@no_peb
Patch Set: rebase Created 6 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef GrDistanceFieldTextureEffect_DEFINED 8 #ifndef GrDistanceFieldTextureEffect_DEFINED
9 #define GrDistanceFieldTextureEffect_DEFINED 9 #define GrDistanceFieldTextureEffect_DEFINED
10 10
11 #include "GrEffect.h" 11 #include "GrProcessor.h"
12 #include "GrGeometryProcessor.h" 12 #include "GrGeometryProcessor.h"
13 13
14 class GrGLDistanceFieldTextureEffect; 14 class GrGLDistanceFieldTextureEffect;
15 class GrGLDistanceFieldLCDTextureEffect; 15 class GrGLDistanceFieldLCDTextureEffect;
16 16
17 enum GrDistanceFieldEffectFlags { 17 enum GrDistanceFieldEffectFlags {
18 kSimilarity_DistanceFieldEffectFlag = 0x01, // ctm is similarity matrix 18 kSimilarity_DistanceFieldEffectFlag = 0x01, // ctm is similarity matrix
19 kRectToRect_DistanceFieldEffectFlag = 0x02, // ctm maps rects to rects 19 kRectToRect_DistanceFieldEffectFlag = 0x02, // ctm maps rects to rects
20 kUseLCD_DistanceFieldEffectFlag = 0x04, // use lcd text 20 kUseLCD_DistanceFieldEffectFlag = 0x04, // use lcd text
21 kBGR_DistanceFieldEffectFlag = 0x08, // lcd display has bgr order 21 kBGR_DistanceFieldEffectFlag = 0x08, // lcd display has bgr order
(...skipping 12 matching lines...) Expand all
34 34
35 /** 35 /**
36 * The output color of this effect is a modulation of the input color and a samp le from a 36 * The output color of this effect is a modulation of the input color and a samp le from a
37 * distance field texture (using a smoothed step function near 0.5). 37 * distance field texture (using a smoothed step function near 0.5).
38 * It allows explicit specification of the filtering and wrap modes (GrTexturePa rams). The input 38 * It allows explicit specification of the filtering and wrap modes (GrTexturePa rams). The input
39 * coords are a custom attribute. Gamma correction is handled via a texture LUT. 39 * coords are a custom attribute. Gamma correction is handled via a texture LUT.
40 */ 40 */
41 class GrDistanceFieldTextureEffect : public GrGeometryProcessor { 41 class GrDistanceFieldTextureEffect : public GrGeometryProcessor {
42 public: 42 public:
43 #ifdef SK_GAMMA_APPLY_TO_A8 43 #ifdef SK_GAMMA_APPLY_TO_A8
44 static GrEffect* Create(GrTexture* tex, const GrTextureParams& params, 44 static GrGeometryProcessor* Create(GrTexture* tex, const GrTextureParams& pa rams,
45 GrTexture* gamma, const GrTextureParams& gammaParams , float lum, 45 GrTexture* gamma, const GrTextureParams& gammaParams,
46 uint32_t flags) { 46 float lum, uint32_t flags) {
47 return SkNEW_ARGS(GrDistanceFieldTextureEffect, (tex, params, gamma, gamm aParams, lum, 47 return SkNEW_ARGS(GrDistanceFieldTextureEffect, (tex, params, gamma, gamm aParams, lum,
48 flags)); 48 flags));
49 } 49 }
50 #else 50 #else
51 static GrEffect* Create(GrTexture* tex, const GrTextureParams& params, 51 static GrGeometryProcessor* Create(GrTexture* tex, const GrTextureParams& pa rams,
52 uint32_t flags) { 52 uint32_t flags) {
53 return SkNEW_ARGS(GrDistanceFieldTextureEffect, (tex, params, flags)); 53 return SkNEW_ARGS(GrDistanceFieldTextureEffect, (tex, params, flags));
54 } 54 }
55 #endif 55 #endif
56 56
57 virtual ~GrDistanceFieldTextureEffect() {} 57 virtual ~GrDistanceFieldTextureEffect() {}
58 58
59 static const char* Name() { return "DistanceFieldTexture"; } 59 static const char* Name() { return "DistanceFieldTexture"; }
60 60
61 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags ) const SK_OVERRIDE; 61 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags ) const SK_OVERRIDE;
62 62
63 const GrShaderVar& inTextureCoords() const { return fInTextureCoords; } 63 const GrShaderVar& inTextureCoords() const { return fInTextureCoords; }
64 #ifdef SK_GAMMA_APPLY_TO_A8 64 #ifdef SK_GAMMA_APPLY_TO_A8
65 float getLuminance() const { return fLuminance; } 65 float getLuminance() const { return fLuminance; }
66 #endif 66 #endif
67 uint32_t getFlags() const { return fFlags; } 67 uint32_t getFlags() const { return fFlags; }
68 68
69 typedef GrGLDistanceFieldTextureEffect GLEffect; 69 typedef GrGLDistanceFieldTextureEffect GLProcessor;
70 70
71 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 71 virtual const GrBackendGeometryProcessorFactory& getFactory() const SK_OVERR IDE;
72 72
73 private: 73 private:
74 GrDistanceFieldTextureEffect(GrTexture* texture, const GrTextureParams& para ms, 74 GrDistanceFieldTextureEffect(GrTexture* texture, const GrTextureParams& para ms,
75 #ifdef SK_GAMMA_APPLY_TO_A8 75 #ifdef SK_GAMMA_APPLY_TO_A8
76 GrTexture* gamma, const GrTextureParams& gammaP arams, float lum, 76 GrTexture* gamma, const GrTextureParams& gammaP arams, float lum,
77 #endif 77 #endif
78 uint32_t flags); 78 uint32_t flags);
79 79
80 virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE; 80 virtual bool onIsEqual(const GrProcessor& other) const SK_OVERRIDE;
81 81
82 GrTextureAccess fTextureAccess; 82 GrTextureAccess fTextureAccess;
83 #ifdef SK_GAMMA_APPLY_TO_A8 83 #ifdef SK_GAMMA_APPLY_TO_A8
84 GrTextureAccess fGammaTextureAccess; 84 GrTextureAccess fGammaTextureAccess;
85 float fLuminance; 85 float fLuminance;
86 #endif 86 #endif
87 uint32_t fFlags; 87 uint32_t fFlags;
88 const GrShaderVar& fInTextureCoords; 88 const GrShaderVar& fInTextureCoords;
89 89
90 GR_DECLARE_EFFECT_TEST; 90 GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
91 91
92 typedef GrEffect INHERITED; 92 typedef GrFragmentProcessor INHERITED;
93 }; 93 };
94 94
95 /** 95 /**
96 * The output color of this effect is a modulation of the input color and sample s from a 96 * The output color of this effect is a modulation of the input color and sample s from a
97 * distance field texture (using a smoothed step function near 0.5), adjusted fo r LCD displays. 97 * distance field texture (using a smoothed step function near 0.5), adjusted fo r LCD displays.
98 * It allows explicit specification of the filtering and wrap modes (GrTexturePa rams). The input 98 * It allows explicit specification of the filtering and wrap modes (GrTexturePa rams). The input
99 * coords are a custom attribute. Gamma correction is handled via a texture LUT. 99 * coords are a custom attribute. Gamma correction is handled via a texture LUT.
100 */ 100 */
101 class GrDistanceFieldLCDTextureEffect : public GrGeometryProcessor { 101 class GrDistanceFieldLCDTextureEffect : public GrGeometryProcessor {
102 public: 102 public:
103 static GrEffect* Create(GrTexture* tex, const GrTextureParams& params, 103 static GrGeometryProcessor* Create(GrTexture* tex, const GrTextureParams& pa rams,
104 GrTexture* gamma, const GrTextureParams& gammaParams , 104 GrTexture* gamma, const GrTextureParams& gammaParams,
105 SkColor textColor, uint32_t flags) { 105 SkColor textColor, uint32_t flags) {
106 return SkNEW_ARGS(GrDistanceFieldLCDTextureEffect, 106 return SkNEW_ARGS(GrDistanceFieldLCDTextureEffect,
107 (tex, params, gamma, gammaParams, textColor, flags)); 107 (tex, params, gamma, gammaParams, textColor, flags));
108 } 108 }
109 109
110 virtual ~GrDistanceFieldLCDTextureEffect() {} 110 virtual ~GrDistanceFieldLCDTextureEffect() {}
111 111
112 static const char* Name() { return "DistanceFieldLCDTexture"; } 112 static const char* Name() { return "DistanceFieldLCDTexture"; }
113 113
114 const GrShaderVar& inTextureCoords() const { return fInTextureCoords; } 114 const GrShaderVar& inTextureCoords() const { return fInTextureCoords; }
115 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags ) const SK_OVERRIDE; 115 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags ) const SK_OVERRIDE;
116 GrColor getTextColor() const { return fTextColor; } 116 GrColor getTextColor() const { return fTextColor; }
117 uint32_t getFlags() const { return fFlags; } 117 uint32_t getFlags() const { return fFlags; }
118 118
119 typedef GrGLDistanceFieldLCDTextureEffect GLEffect; 119 typedef GrGLDistanceFieldLCDTextureEffect GLProcessor;
120 120
121 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 121 virtual const GrBackendGeometryProcessorFactory& getFactory() const SK_OVERR IDE;
122 122
123 private: 123 private:
124 GrDistanceFieldLCDTextureEffect(GrTexture* texture, const GrTextureParams& p arams, 124 GrDistanceFieldLCDTextureEffect(GrTexture* texture, const GrTextureParams& p arams,
125 GrTexture* gamma, const GrTextureParams& gam maParams, 125 GrTexture* gamma, const GrTextureParams& gam maParams,
126 SkColor textColor, 126 SkColor textColor,
127 uint32_t flags); 127 uint32_t flags);
128 128
129 virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE; 129 virtual bool onIsEqual(const GrProcessor& other) const SK_OVERRIDE;
130 130
131 GrTextureAccess fTextureAccess; 131 GrTextureAccess fTextureAccess;
132 GrTextureAccess fGammaTextureAccess; 132 GrTextureAccess fGammaTextureAccess;
133 GrColor fTextColor; 133 GrColor fTextColor;
134 uint32_t fFlags; 134 uint32_t fFlags;
135 const GrShaderVar& fInTextureCoords; 135 const GrShaderVar& fInTextureCoords;
136 136
137 GR_DECLARE_EFFECT_TEST; 137 GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
138 138
139 typedef GrEffect INHERITED; 139 typedef GrFragmentProcessor INHERITED;
140 }; 140 };
141 141
142 #endif 142 #endif
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