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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" |
| (...skipping 81 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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