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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 #include "SkArithmeticMode.h" | 8 #include "SkArithmeticMode.h" |
| 9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
| 10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
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| 241 virtual ~GrGLArithmeticEffect(); | 241 virtual ~GrGLArithmeticEffect(); |
| 242 | 242 |
| 243 virtual void emitCode(GrGLShaderBuilder*, | 243 virtual void emitCode(GrGLShaderBuilder*, |
| 244 const GrDrawEffect&, | 244 const GrDrawEffect&, |
| 245 const GrEffectKey&, | 245 const GrEffectKey&, |
| 246 const char* outputColor, | 246 const char* outputColor, |
| 247 const char* inputColor, | 247 const char* inputColor, |
| 248 const TransformedCoordsArray&, | 248 const TransformedCoordsArray&, |
| 249 const TextureSamplerArray&) SK_OVERRIDE; | 249 const TextureSamplerArray&) SK_OVERRIDE; |
| 250 | 250 |
| 251 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 251 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
| 252 | 252 |
| 253 static void GenKey(const GrDrawEffect&, const GrGLCaps& caps, GrEffectKeyBui
lder* b); | 253 static void GenKey(const GrDrawEffect&, const GrGLCaps& caps, GrEffectKeyBui
lder* b); |
| 254 | 254 |
| 255 private: | 255 private: |
| 256 GrGLUniformManager::UniformHandle fKUni; | 256 GrGLProgramDataManager::UniformHandle fKUni; |
| 257 bool fEnforcePMColor; | 257 bool fEnforcePMColor; |
| 258 | 258 |
| 259 typedef GrGLEffect INHERITED; | 259 typedef GrGLEffect INHERITED; |
| 260 }; | 260 }; |
| 261 | 261 |
| 262 /////////////////////////////////////////////////////////////////////////////// | 262 /////////////////////////////////////////////////////////////////////////////// |
| 263 | 263 |
| 264 class GrArithmeticEffect : public GrEffect { | 264 class GrArithmeticEffect : public GrEffect { |
| 265 public: | 265 public: |
| 266 static GrEffect* Create(float k1, float k2, float k3, float k4, bool enforce
PMColor, | 266 static GrEffect* Create(float k1, float k2, float k3, float k4, bool enforce
PMColor, |
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| 388 | 388 |
| 389 builder->fsCodeAppendf("\t\t%s = %s.x * src * dst + %s.y * src + %s.z * dst
+ %s.w;\n", outputColor, kUni, kUni, kUni, kUni); | 389 builder->fsCodeAppendf("\t\t%s = %s.x * src * dst + %s.y * src + %s.z * dst
+ %s.w;\n", outputColor, kUni, kUni, kUni, kUni); |
| 390 builder->fsCodeAppendf("\t\t%s = clamp(%s, 0.0, 1.0);\n", outputColor, outpu
tColor); | 390 builder->fsCodeAppendf("\t\t%s = clamp(%s, 0.0, 1.0);\n", outputColor, outpu
tColor); |
| 391 if (gUseUnpremul) { | 391 if (gUseUnpremul) { |
| 392 builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor
); | 392 builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor
); |
| 393 } else if (fEnforcePMColor) { | 393 } else if (fEnforcePMColor) { |
| 394 builder->fsCodeAppendf("\t\t%s.rgb = min(%s.rgb, %s.a);\n", outputColor,
outputColor, outputColor); | 394 builder->fsCodeAppendf("\t\t%s.rgb = min(%s.rgb, %s.a);\n", outputColor,
outputColor, outputColor); |
| 395 } | 395 } |
| 396 } | 396 } |
| 397 | 397 |
| 398 void GrGLArithmeticEffect::setData(const GrGLUniformManager& uman, const GrDrawE
ffect& drawEffect) { | 398 void GrGLArithmeticEffect::setData(const GrGLProgramDataManager& pdman, const Gr
DrawEffect& drawEffect) { |
| 399 const GrArithmeticEffect& arith = drawEffect.castEffect<GrArithmeticEffect>(
); | 399 const GrArithmeticEffect& arith = drawEffect.castEffect<GrArithmeticEffect>(
); |
| 400 uman.set4f(fKUni, arith.k1(), arith.k2(), arith.k3(), arith.k4()); | 400 pdman.set4f(fKUni, arith.k1(), arith.k2(), arith.k3(), arith.k4()); |
| 401 fEnforcePMColor = arith.enforcePMColor(); | 401 fEnforcePMColor = arith.enforcePMColor(); |
| 402 } | 402 } |
| 403 | 403 |
| 404 void GrGLArithmeticEffect::GenKey(const GrDrawEffect& drawEffect, | 404 void GrGLArithmeticEffect::GenKey(const GrDrawEffect& drawEffect, |
| 405 const GrGLCaps&, GrEffectKeyBuilder* b) { | 405 const GrGLCaps&, GrEffectKeyBuilder* b) { |
| 406 const GrArithmeticEffect& arith = drawEffect.castEffect<GrArithmeticEffect>(
); | 406 const GrArithmeticEffect& arith = drawEffect.castEffect<GrArithmeticEffect>(
); |
| 407 uint32_t key = arith.enforcePMColor() ? 1 : 0; | 407 uint32_t key = arith.enforcePMColor() ? 1 : 0; |
| 408 if (arith.backgroundTexture()) { | 408 if (arith.backgroundTexture()) { |
| 409 key |= 2; | 409 key |= 2; |
| 410 } | 410 } |
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| 436 background); | 436 background); |
| 437 } | 437 } |
| 438 return true; | 438 return true; |
| 439 } | 439 } |
| 440 | 440 |
| 441 #endif | 441 #endif |
| 442 | 442 |
| 443 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkArithmeticMode) | 443 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkArithmeticMode) |
| 444 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkArithmeticMode_scalar) | 444 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkArithmeticMode_scalar) |
| 445 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 445 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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