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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 "GrConvexPolyEffect.h" | 8 #include "GrConvexPolyEffect.h" |
9 | 9 |
10 #include "gl/GrGLEffect.h" | 10 #include "gl/GrGLEffect.h" |
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92 virtual void emitCode(GrGLShaderBuilder* builder, | 92 virtual void emitCode(GrGLShaderBuilder* builder, |
93 const GrDrawEffect& drawEffect, | 93 const GrDrawEffect& drawEffect, |
94 const GrEffectKey& key, | 94 const GrEffectKey& key, |
95 const char* outputColor, | 95 const char* outputColor, |
96 const char* inputColor, | 96 const char* inputColor, |
97 const TransformedCoordsArray&, | 97 const TransformedCoordsArray&, |
98 const TextureSamplerArray&) SK_OVERRIDE; | 98 const TextureSamplerArray&) SK_OVERRIDE; |
99 | 99 |
100 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); | 100 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); |
101 | 101 |
102 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 102 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
103 | 103 |
104 private: | 104 private: |
105 GrGLUniformManager::UniformHandle fRectUniform; | 105 GrGLProgramDataManager::UniformHandle fRectUniform; |
106 SkRect fPrevRect; | 106 SkRect fPrevRect; |
107 typedef GrGLEffect INHERITED; | 107 typedef GrGLEffect INHERITED; |
108 }; | 108 }; |
109 | 109 |
110 GLAARectEffect::GLAARectEffect(const GrBackendEffectFactory& factory, | 110 GLAARectEffect::GLAARectEffect(const GrBackendEffectFactory& factory, |
111 const GrDrawEffect& drawEffect) | 111 const GrDrawEffect& drawEffect) |
112 : INHERITED (factory) { | 112 : INHERITED (factory) { |
113 fPrevRect.fLeft = SK_ScalarNaN; | 113 fPrevRect.fLeft = SK_ScalarNaN; |
114 } | 114 } |
115 | 115 |
116 void GLAARectEffect::emitCode(GrGLShaderBuilder* builder, | 116 void GLAARectEffect::emitCode(GrGLShaderBuilder* builder, |
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148 builder->fsCodeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n
", rectName, fragmentPos); | 148 builder->fsCodeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n
", rectName, fragmentPos); |
149 } | 149 } |
150 | 150 |
151 if (GrEffectEdgeTypeIsInverseFill(aare.getEdgeType())) { | 151 if (GrEffectEdgeTypeIsInverseFill(aare.getEdgeType())) { |
152 builder->fsCodeAppend("\t\talpha = 1.0 - alpha;\n"); | 152 builder->fsCodeAppend("\t\talpha = 1.0 - alpha;\n"); |
153 } | 153 } |
154 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, | 154 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, |
155 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); | 155 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); |
156 } | 156 } |
157 | 157 |
158 void GLAARectEffect::setData(const GrGLUniformManager& uman, const GrDrawEffect&
drawEffect) { | 158 void GLAARectEffect::setData(const GrGLProgramDataManager& pdman, const GrDrawEf
fect& drawEffect) { |
159 const AARectEffect& aare = drawEffect.castEffect<AARectEffect>(); | 159 const AARectEffect& aare = drawEffect.castEffect<AARectEffect>(); |
160 const SkRect& rect = aare.getRect(); | 160 const SkRect& rect = aare.getRect(); |
161 if (rect != fPrevRect) { | 161 if (rect != fPrevRect) { |
162 uman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f, | 162 pdman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f, |
163 rect.fRight - 0.5f, rect.fBottom - 0.5f); | 163 rect.fRight - 0.5f, rect.fBottom - 0.5f); |
164 fPrevRect = rect; | 164 fPrevRect = rect; |
165 } | 165 } |
166 } | 166 } |
167 | 167 |
168 void GLAARectEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, | 168 void GLAARectEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
169 GrEffectKeyBuilder* b) { | 169 GrEffectKeyBuilder* b) { |
170 const AARectEffect& aare = drawEffect.castEffect<AARectEffect>(); | 170 const AARectEffect& aare = drawEffect.castEffect<AARectEffect>(); |
171 b->add32(aare.getEdgeType()); | 171 b->add32(aare.getEdgeType()); |
172 } | 172 } |
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184 virtual void emitCode(GrGLShaderBuilder* builder, | 184 virtual void emitCode(GrGLShaderBuilder* builder, |
185 const GrDrawEffect& drawEffect, | 185 const GrDrawEffect& drawEffect, |
186 const GrEffectKey& key, | 186 const GrEffectKey& key, |
187 const char* outputColor, | 187 const char* outputColor, |
188 const char* inputColor, | 188 const char* inputColor, |
189 const TransformedCoordsArray&, | 189 const TransformedCoordsArray&, |
190 const TextureSamplerArray&) SK_OVERRIDE; | 190 const TextureSamplerArray&) SK_OVERRIDE; |
191 | 191 |
192 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); | 192 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); |
193 | 193 |
194 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 194 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
195 | 195 |
196 private: | 196 private: |
197 GrGLUniformManager::UniformHandle fEdgeUniform; | 197 GrGLProgramDataManager::UniformHandle fEdgeUniform; |
198 SkScalar fPrevEdges[3 * GrConvexPolyEffect::kMaxE
dges]; | 198 SkScalar fPrevEdges[3 * GrConvexPolyEffect::kMa
xEdges]; |
199 typedef GrGLEffect INHERITED; | 199 typedef GrGLEffect INHERITED; |
200 }; | 200 }; |
201 | 201 |
202 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrBackendEffectFactory& factory
, | 202 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrBackendEffectFactory& factory
, |
203 const GrDrawEffect& drawEffect) | 203 const GrDrawEffect& drawEffect) |
204 : INHERITED (factory) { | 204 : INHERITED (factory) { |
205 fPrevEdges[0] = SK_ScalarNaN; | 205 fPrevEdges[0] = SK_ScalarNaN; |
206 } | 206 } |
207 | 207 |
208 void GrGLConvexPolyEffect::emitCode(GrGLShaderBuilder* builder, | 208 void GrGLConvexPolyEffect::emitCode(GrGLShaderBuilder* builder, |
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239 builder->fsCodeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n
"); | 239 builder->fsCodeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n
"); |
240 } | 240 } |
241 | 241 |
242 if (GrEffectEdgeTypeIsInverseFill(cpe.getEdgeType())) { | 242 if (GrEffectEdgeTypeIsInverseFill(cpe.getEdgeType())) { |
243 builder->fsCodeAppend("\talpha = 1.0 - alpha;\n"); | 243 builder->fsCodeAppend("\talpha = 1.0 - alpha;\n"); |
244 } | 244 } |
245 builder->fsCodeAppendf("\t%s = %s;\n", outputColor, | 245 builder->fsCodeAppendf("\t%s = %s;\n", outputColor, |
246 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); | 246 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); |
247 } | 247 } |
248 | 248 |
249 void GrGLConvexPolyEffect::setData(const GrGLUniformManager& uman, const GrDrawE
ffect& drawEffect) { | 249 void GrGLConvexPolyEffect::setData(const GrGLProgramDataManager& pdman, const Gr
DrawEffect& drawEffect) { |
250 const GrConvexPolyEffect& cpe = drawEffect.castEffect<GrConvexPolyEffect>(); | 250 const GrConvexPolyEffect& cpe = drawEffect.castEffect<GrConvexPolyEffect>(); |
251 size_t byteSize = 3 * cpe.getEdgeCount() * sizeof(SkScalar); | 251 size_t byteSize = 3 * cpe.getEdgeCount() * sizeof(SkScalar); |
252 if (0 != memcmp(fPrevEdges, cpe.getEdges(), byteSize)) { | 252 if (0 != memcmp(fPrevEdges, cpe.getEdges(), byteSize)) { |
253 uman.set3fv(fEdgeUniform, cpe.getEdgeCount(), cpe.getEdges()); | 253 pdman.set3fv(fEdgeUniform, cpe.getEdgeCount(), cpe.getEdges()); |
254 memcpy(fPrevEdges, cpe.getEdges(), byteSize); | 254 memcpy(fPrevEdges, cpe.getEdges(), byteSize); |
255 } | 255 } |
256 } | 256 } |
257 | 257 |
258 void GrGLConvexPolyEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps
&, | 258 void GrGLConvexPolyEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps
&, |
259 GrEffectKeyBuilder* b) { | 259 GrEffectKeyBuilder* b) { |
260 const GrConvexPolyEffect& cpe = drawEffect.castEffect<GrConvexPolyEffect>(); | 260 const GrConvexPolyEffect& cpe = drawEffect.castEffect<GrConvexPolyEffect>(); |
261 GR_STATIC_ASSERT(kGrEffectEdgeTypeCnt <= 8); | 261 GR_STATIC_ASSERT(kGrEffectEdgeTypeCnt <= 8); |
262 uint32_t key = (cpe.getEdgeCount() << 3) | cpe.getEdgeType(); | 262 uint32_t key = (cpe.getEdgeCount() << 3) | cpe.getEdgeType(); |
263 b->add32(key); | 263 b->add32(key); |
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369 } | 369 } |
370 | 370 |
371 GrEffect* effect; | 371 GrEffect* effect; |
372 do { | 372 do { |
373 GrEffectEdgeType edgeType = static_cast<GrEffectEdgeType>( | 373 GrEffectEdgeType edgeType = static_cast<GrEffectEdgeType>( |
374 random->nextULessThan(kGrEffectEdgeTypeC
nt)); | 374 random->nextULessThan(kGrEffectEdgeTypeC
nt)); |
375 effect = GrConvexPolyEffect::Create(edgeType, count, edges); | 375 effect = GrConvexPolyEffect::Create(edgeType, count, edges); |
376 } while (NULL == effect); | 376 } while (NULL == effect); |
377 return effect; | 377 return effect; |
378 } | 378 } |
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