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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "gl/builders/GrGLProgramBuilder.h" | 8 #include "gl/builders/GrGLProgramBuilder.h" |
9 #include "GrConvexPolyEffect.h" | 9 #include "GrConvexPolyEffect.h" |
10 #include "GrInvariantOutput.h" | 10 #include "GrInvariantOutput.h" |
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82 } | 82 } |
83 | 83 |
84 ////////////////////////////////////////////////////////////////////////////// | 84 ////////////////////////////////////////////////////////////////////////////// |
85 | 85 |
86 class GLAARectEffect : public GrGLFragmentProcessor { | 86 class GLAARectEffect : public GrGLFragmentProcessor { |
87 public: | 87 public: |
88 GLAARectEffect(const GrBackendProcessorFactory&, const GrProcessor&); | 88 GLAARectEffect(const GrBackendProcessorFactory&, const GrProcessor&); |
89 | 89 |
90 virtual void emitCode(GrGLFPBuilder* builder, | 90 virtual void emitCode(GrGLFPBuilder* builder, |
91 const GrFragmentProcessor& fp, | 91 const GrFragmentProcessor& fp, |
92 const GrProcessorKey& key, | |
93 const char* outputColor, | 92 const char* outputColor, |
94 const char* inputColor, | 93 const char* inputColor, |
95 const TransformedCoordsArray&, | 94 const TransformedCoordsArray&, |
96 const TextureSamplerArray&) SK_OVERRIDE; | 95 const TextureSamplerArray&) SK_OVERRIDE; |
97 | 96 |
98 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); | 97 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); |
99 | 98 |
100 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 99 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
101 | 100 |
102 private: | 101 private: |
103 GrGLProgramDataManager::UniformHandle fRectUniform; | 102 GrGLProgramDataManager::UniformHandle fRectUniform; |
104 SkRect fPrevRect; | 103 SkRect fPrevRect; |
105 typedef GrGLFragmentProcessor INHERITED; | 104 typedef GrGLFragmentProcessor INHERITED; |
106 }; | 105 }; |
107 | 106 |
108 GLAARectEffect::GLAARectEffect(const GrBackendProcessorFactory& factory, | 107 GLAARectEffect::GLAARectEffect(const GrBackendProcessorFactory& factory, |
109 const GrProcessor& effect) | 108 const GrProcessor& effect) |
110 : INHERITED (factory) { | 109 : INHERITED (factory) { |
111 fPrevRect.fLeft = SK_ScalarNaN; | 110 fPrevRect.fLeft = SK_ScalarNaN; |
112 } | 111 } |
113 | 112 |
114 void GLAARectEffect::emitCode(GrGLFPBuilder* builder, | 113 void GLAARectEffect::emitCode(GrGLFPBuilder* builder, |
115 const GrFragmentProcessor& fp, | 114 const GrFragmentProcessor& fp, |
116 const GrProcessorKey& key, | |
117 const char* outputColor, | 115 const char* outputColor, |
118 const char* inputColor, | 116 const char* inputColor, |
119 const TransformedCoordsArray&, | 117 const TransformedCoordsArray&, |
120 const TextureSamplerArray& samplers) { | 118 const TextureSamplerArray& samplers) { |
121 const AARectEffect& aare = fp.cast<AARectEffect>(); | 119 const AARectEffect& aare = fp.cast<AARectEffect>(); |
122 const char *rectName; | 120 const char *rectName; |
123 // The rect uniform's xyzw refer to (left + 0.5, top + 0.5, right - 0.5, bot
tom - 0.5), | 121 // The rect uniform's xyzw refer to (left + 0.5, top + 0.5, right - 0.5, bot
tom - 0.5), |
124 // respectively. | 122 // respectively. |
125 fRectUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 123 fRectUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
126 kVec4f_GrSLType, | 124 kVec4f_GrSLType, |
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176 } | 174 } |
177 | 175 |
178 ////////////////////////////////////////////////////////////////////////////// | 176 ////////////////////////////////////////////////////////////////////////////// |
179 | 177 |
180 class GrGLConvexPolyEffect : public GrGLFragmentProcessor { | 178 class GrGLConvexPolyEffect : public GrGLFragmentProcessor { |
181 public: | 179 public: |
182 GrGLConvexPolyEffect(const GrBackendProcessorFactory&, const GrProcessor&); | 180 GrGLConvexPolyEffect(const GrBackendProcessorFactory&, const GrProcessor&); |
183 | 181 |
184 virtual void emitCode(GrGLFPBuilder* builder, | 182 virtual void emitCode(GrGLFPBuilder* builder, |
185 const GrFragmentProcessor& fp, | 183 const GrFragmentProcessor& fp, |
186 const GrProcessorKey& key, | |
187 const char* outputColor, | 184 const char* outputColor, |
188 const char* inputColor, | 185 const char* inputColor, |
189 const TransformedCoordsArray&, | 186 const TransformedCoordsArray&, |
190 const TextureSamplerArray&) SK_OVERRIDE; | 187 const TextureSamplerArray&) SK_OVERRIDE; |
191 | 188 |
192 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); | 189 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); |
193 | 190 |
194 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 191 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
195 | 192 |
196 private: | 193 private: |
197 GrGLProgramDataManager::UniformHandle fEdgeUniform; | 194 GrGLProgramDataManager::UniformHandle fEdgeUniform; |
198 SkScalar fPrevEdges[3 * GrConvexPolyEffect::kMa
xEdges]; | 195 SkScalar fPrevEdges[3 * GrConvexPolyEffect::kMa
xEdges]; |
199 typedef GrGLFragmentProcessor INHERITED; | 196 typedef GrGLFragmentProcessor INHERITED; |
200 }; | 197 }; |
201 | 198 |
202 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrBackendProcessorFactory& fact
ory, | 199 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrBackendProcessorFactory& fact
ory, |
203 const GrProcessor&) | 200 const GrProcessor&) |
204 : INHERITED (factory) { | 201 : INHERITED (factory) { |
205 fPrevEdges[0] = SK_ScalarNaN; | 202 fPrevEdges[0] = SK_ScalarNaN; |
206 } | 203 } |
207 | 204 |
208 void GrGLConvexPolyEffect::emitCode(GrGLFPBuilder* builder, | 205 void GrGLConvexPolyEffect::emitCode(GrGLFPBuilder* builder, |
209 const GrFragmentProcessor& fp, | 206 const GrFragmentProcessor& fp, |
210 const GrProcessorKey& key, | |
211 const char* outputColor, | 207 const char* outputColor, |
212 const char* inputColor, | 208 const char* inputColor, |
213 const TransformedCoordsArray&, | 209 const TransformedCoordsArray&, |
214 const TextureSamplerArray& samplers) { | 210 const TextureSamplerArray& samplers) { |
215 const GrConvexPolyEffect& cpe = fp.cast<GrConvexPolyEffect>(); | 211 const GrConvexPolyEffect& cpe = fp.cast<GrConvexPolyEffect>(); |
216 | 212 |
217 const char *edgeArrayName; | 213 const char *edgeArrayName; |
218 fEdgeUniform = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibi
lity, | 214 fEdgeUniform = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibi
lity, |
219 kVec3f_GrSLType, | 215 kVec3f_GrSLType, |
220 "edges", | 216 "edges", |
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370 } | 366 } |
371 | 367 |
372 GrFragmentProcessor* fp; | 368 GrFragmentProcessor* fp; |
373 do { | 369 do { |
374 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 370 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
375 random->nextULessThan(kGrProcessorEdgeTy
peCnt)); | 371 random->nextULessThan(kGrProcessorEdgeTy
peCnt)); |
376 fp = GrConvexPolyEffect::Create(edgeType, count, edges); | 372 fp = GrConvexPolyEffect::Create(edgeType, count, edges); |
377 } while (NULL == fp); | 373 } while (NULL == fp); |
378 return fp; | 374 return fp; |
379 } | 375 } |
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