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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 GrDistanceFieldGeoProc_DEFINED | 8 #ifndef GrDistanceFieldGeoProc_DEFINED |
9 #define GrDistanceFieldGeoProc_DEFINED | 9 #define GrDistanceFieldGeoProc_DEFINED |
10 | 10 |
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42 * The output color of this effect is a modulation of the input color and a samp
le from a | 42 * The output color of this effect is a modulation of the input color and a samp
le from a |
43 * distance field texture (using a smoothed step function near 0.5). | 43 * distance field texture (using a smoothed step function near 0.5). |
44 * It allows explicit specification of the filtering and wrap modes (GrTexturePa
rams). The input | 44 * It allows explicit specification of the filtering and wrap modes (GrTexturePa
rams). The input |
45 * coords are a custom attribute. Gamma correction is handled via a texture LUT. | 45 * coords are a custom attribute. Gamma correction is handled via a texture LUT. |
46 */ | 46 */ |
47 class GrDistanceFieldA8TextGeoProc : public GrGeometryProcessor { | 47 class GrDistanceFieldA8TextGeoProc : public GrGeometryProcessor { |
48 public: | 48 public: |
49 #ifdef SK_GAMMA_APPLY_TO_A8 | 49 #ifdef SK_GAMMA_APPLY_TO_A8 |
50 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix
, | 50 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix
, |
51 GrTexture* tex, const GrTextureParams& pa
rams, | 51 GrTexture* tex, const GrTextureParams& pa
rams, |
52 float lum, uint32_t flags) { | 52 float lum, uint32_t flags, bool opaqueVer
texColors) { |
53 return SkNEW_ARGS(GrDistanceFieldA8TextGeoProc, (color, viewMatrix, tex,
params, lum, | 53 return SkNEW_ARGS(GrDistanceFieldA8TextGeoProc, (color, viewMatrix, tex, |
54 flags)); | 54 params, lum, flags, opa
queVertexColors)); |
55 } | 55 } |
56 #else | 56 #else |
57 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix
, | 57 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix
, |
58 GrTexture* tex, const GrTextureParams& pa
rams, | 58 GrTexture* tex, const GrTextureParams& pa
rams, |
59 uint32_t flags) { | 59 uint32_t flags, bool opaqueVertexColors)
{ |
60 return SkNEW_ARGS(GrDistanceFieldA8TextGeoProc, (color, viewMatrix, tex,
params, flags)); | 60 return SkNEW_ARGS(GrDistanceFieldA8TextGeoProc, (color, viewMatrix, tex, |
| 61 params, flags, opaqueVe
rtexColors)); |
61 } | 62 } |
62 #endif | 63 #endif |
63 | 64 |
64 virtual ~GrDistanceFieldA8TextGeoProc() {} | 65 virtual ~GrDistanceFieldA8TextGeoProc() {} |
65 | 66 |
66 const char* name() const override { return "DistanceFieldTexture"; } | 67 const char* name() const override { return "DistanceFieldTexture"; } |
67 | 68 |
68 const Attribute* inPosition() const { return fInPosition; } | 69 const Attribute* inPosition() const { return fInPosition; } |
69 const Attribute* inColor() const { return fInColor; } | 70 const Attribute* inColor() const { return fInColor; } |
70 const Attribute* inTextureCoords() const { return fInTextureCoords; } | 71 const Attribute* inTextureCoords() const { return fInTextureCoords; } |
71 #ifdef SK_GAMMA_APPLY_TO_A8 | 72 #ifdef SK_GAMMA_APPLY_TO_A8 |
72 float getDistanceAdjust() const { return fDistanceAdjust; } | 73 float getDistanceAdjust() const { return fDistanceAdjust; } |
73 #endif | 74 #endif |
74 uint32_t getFlags() const { return fFlags; } | 75 uint32_t getFlags() const { return fFlags; } |
75 | 76 |
76 virtual void getGLProcessorKey(const GrBatchTracker& bt, | 77 virtual void getGLProcessorKey(const GrBatchTracker& bt, |
77 const GrGLCaps& caps, | 78 const GrGLCaps& caps, |
78 GrProcessorKeyBuilder* b) const override; | 79 GrProcessorKeyBuilder* b) const override; |
79 | 80 |
80 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, | 81 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, |
81 const GrGLCaps&) const over
ride; | 82 const GrGLCaps&) const over
ride; |
82 | 83 |
83 void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const
override; | 84 void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const
override; |
84 | 85 |
| 86 bool onCanMakeEqual(const GrBatchTracker&, |
| 87 const GrGeometryProcessor&, |
| 88 const GrBatchTracker&) const override; |
| 89 |
85 private: | 90 private: |
86 GrDistanceFieldA8TextGeoProc(GrColor, const SkMatrix& viewMatrix, | 91 GrDistanceFieldA8TextGeoProc(GrColor, const SkMatrix& viewMatrix, |
87 GrTexture* texture, const GrTextureParams& para
ms, | 92 GrTexture* texture, const GrTextureParams& para
ms, |
88 #ifdef SK_GAMMA_APPLY_TO_A8 | 93 #ifdef SK_GAMMA_APPLY_TO_A8 |
89 float distanceAdjust, | 94 float distanceAdjust, |
90 #endif | 95 #endif |
91 uint32_t flags); | 96 uint32_t flags, bool opaqueVertexColors); |
| 97 |
| 98 bool onIsEqual(const GrGeometryProcessor& other) const override; |
| 99 |
| 100 void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const override; |
92 | 101 |
93 GrTextureAccess fTextureAccess; | 102 GrTextureAccess fTextureAccess; |
94 #ifdef SK_GAMMA_APPLY_TO_A8 | 103 #ifdef SK_GAMMA_APPLY_TO_A8 |
95 float fDistanceAdjust; | 104 float fDistanceAdjust; |
96 #endif | 105 #endif |
97 uint32_t fFlags; | 106 uint32_t fFlags; |
98 const Attribute* fInPosition; | 107 const Attribute* fInPosition; |
99 const Attribute* fInColor; | 108 const Attribute* fInColor; |
100 const Attribute* fInTextureCoords; | 109 const Attribute* fInTextureCoords; |
101 | 110 |
102 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; | 111 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
103 | 112 |
104 typedef GrGeometryProcessor INHERITED; | 113 typedef GrGeometryProcessor INHERITED; |
105 }; | 114 }; |
106 | 115 |
107 | 116 |
108 /** | 117 /** |
109 * The output color of this effect is a modulation of the input color and a sampl
e from a | 118 * The output color of this effect is a modulation of the input color and a sampl
e from a |
110 * distance field texture (using a smoothed step function near 0.5). | 119 * distance field texture (using a smoothed step function near 0.5). |
111 * It allows explicit specification of the filtering and wrap modes (GrTexturePar
ams). The input | 120 * It allows explicit specification of the filtering and wrap modes (GrTexturePar
ams). The input |
112 * coords are a custom attribute. No gamma correct blending is applied. Used for
paths only. | 121 * coords are a custom attribute. No gamma correct blending is applied. Used for
paths only. |
113 */ | 122 */ |
114 class GrDistanceFieldPathGeoProc : public GrGeometryProcessor { | 123 class GrDistanceFieldPathGeoProc : public GrGeometryProcessor { |
115 public: | 124 public: |
116 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix
, GrTexture* tex, | 125 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix
, GrTexture* tex, |
117 const GrTextureParams& params, | 126 const GrTextureParams& params, |
118 uint32_t flags) { | 127 uint32_t flags, bool opaqueVertexColors)
{ |
119 return SkNEW_ARGS(GrDistanceFieldPathGeoProc, (color, viewMatrix, tex, p
arams, flags)); | 128 return SkNEW_ARGS(GrDistanceFieldPathGeoProc, (color, viewMatrix, tex, p
arams, |
| 129 flags, opaqueVertexColors
)); |
120 } | 130 } |
121 | 131 |
122 virtual ~GrDistanceFieldPathGeoProc() {} | 132 virtual ~GrDistanceFieldPathGeoProc() {} |
123 | 133 |
124 const char* name() const override { return "DistanceFieldTexture"; } | 134 const char* name() const override { return "DistanceFieldTexture"; } |
125 | 135 |
126 const Attribute* inPosition() const { return fInPosition; } | 136 const Attribute* inPosition() const { return fInPosition; } |
127 const Attribute* inColor() const { return fInColor; } | 137 const Attribute* inColor() const { return fInColor; } |
128 const Attribute* inTextureCoords() const { return fInTextureCoords; } | 138 const Attribute* inTextureCoords() const { return fInTextureCoords; } |
129 uint32_t getFlags() const { return fFlags; } | 139 uint32_t getFlags() const { return fFlags; } |
130 | 140 |
131 virtual void getGLProcessorKey(const GrBatchTracker& bt, | 141 virtual void getGLProcessorKey(const GrBatchTracker& bt, |
132 const GrGLCaps& caps, | 142 const GrGLCaps& caps, |
133 GrProcessorKeyBuilder* b) const override; | 143 GrProcessorKeyBuilder* b) const override; |
134 | 144 |
135 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, | 145 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, |
136 const GrGLCaps&) const over
ride; | 146 const GrGLCaps&) const over
ride; |
137 | 147 |
138 void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const
override; | 148 void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const
override; |
139 | 149 |
| 150 bool onCanMakeEqual(const GrBatchTracker&, |
| 151 const GrGeometryProcessor&, |
| 152 const GrBatchTracker&) const override; |
| 153 |
140 private: | 154 private: |
141 GrDistanceFieldPathGeoProc(GrColor, const SkMatrix& viewMatrix, GrTexture* t
exture, | 155 GrDistanceFieldPathGeoProc(GrColor, const SkMatrix& viewMatrix, GrTexture* t
exture, |
142 const GrTextureParams& params, uint32_t flags); | 156 const GrTextureParams& params, uint32_t flags, |
| 157 bool opaqueVertexColors); |
| 158 |
| 159 bool onIsEqual(const GrGeometryProcessor& other) const override; |
| 160 |
| 161 void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const override; |
143 | 162 |
144 GrTextureAccess fTextureAccess; | 163 GrTextureAccess fTextureAccess; |
145 uint32_t fFlags; | 164 uint32_t fFlags; |
146 const Attribute* fInPosition; | 165 const Attribute* fInPosition; |
147 const Attribute* fInColor; | 166 const Attribute* fInColor; |
148 const Attribute* fInTextureCoords; | 167 const Attribute* fInTextureCoords; |
149 | 168 |
150 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; | 169 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
151 | 170 |
152 typedef GrGeometryProcessor INHERITED; | 171 typedef GrGeometryProcessor INHERITED; |
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193 | 212 |
194 virtual void getGLProcessorKey(const GrBatchTracker& bt, | 213 virtual void getGLProcessorKey(const GrBatchTracker& bt, |
195 const GrGLCaps& caps, | 214 const GrGLCaps& caps, |
196 GrProcessorKeyBuilder* b) const override; | 215 GrProcessorKeyBuilder* b) const override; |
197 | 216 |
198 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, | 217 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, |
199 const GrGLCaps&) const over
ride; | 218 const GrGLCaps&) const over
ride; |
200 | 219 |
201 void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const
override; | 220 void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const
override; |
202 | 221 |
| 222 bool onCanMakeEqual(const GrBatchTracker&, |
| 223 const GrGeometryProcessor&, |
| 224 const GrBatchTracker&) const override; |
| 225 |
203 private: | 226 private: |
204 GrDistanceFieldLCDTextGeoProc(GrColor, const SkMatrix& viewMatrix, | 227 GrDistanceFieldLCDTextGeoProc(GrColor, const SkMatrix& viewMatrix, |
205 GrTexture* texture, const GrTextureParams& par
ams, | 228 GrTexture* texture, const GrTextureParams& par
ams, |
206 DistanceAdjust wa, uint32_t flags); | 229 DistanceAdjust wa, uint32_t flags); |
207 | 230 |
| 231 bool onIsEqual(const GrGeometryProcessor& other) const override; |
| 232 |
| 233 void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const override; |
| 234 |
208 GrTextureAccess fTextureAccess; | 235 GrTextureAccess fTextureAccess; |
209 DistanceAdjust fDistanceAdjust; | 236 DistanceAdjust fDistanceAdjust; |
210 uint32_t fFlags; | 237 uint32_t fFlags; |
211 const Attribute* fInPosition; | 238 const Attribute* fInPosition; |
212 const Attribute* fInTextureCoords; | 239 const Attribute* fInTextureCoords; |
213 | 240 |
214 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; | 241 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
215 | 242 |
216 typedef GrGeometryProcessor INHERITED; | 243 typedef GrGeometryProcessor INHERITED; |
217 }; | 244 }; |
218 | 245 |
219 #endif | 246 #endif |
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