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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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| 246 | 246 |
| 247 ////////////////////////////////////////////////////////////////////////////// | 247 ////////////////////////////////////////////////////////////////////////////// |
| 248 | 248 |
| 249 #if SK_SUPPORT_GPU | 249 #if SK_SUPPORT_GPU |
| 250 | 250 |
| 251 class GrGLArithmeticEffect : public GrGLFragmentProcessor { | 251 class GrGLArithmeticEffect : public GrGLFragmentProcessor { |
| 252 public: | 252 public: |
| 253 GrGLArithmeticEffect(const GrBackendProcessorFactory&, const GrProcessor&); | 253 GrGLArithmeticEffect(const GrBackendProcessorFactory&, const GrProcessor&); |
| 254 virtual ~GrGLArithmeticEffect(); | 254 virtual ~GrGLArithmeticEffect(); |
| 255 | 255 |
| 256 virtual void emitCode(GrGLProgramBuilder*, | 256 virtual void emitCode(GrGLFPBuilder*, |
| 257 const GrFragmentProcessor&, | 257 const GrFragmentProcessor&, |
| 258 const GrProcessorKey&, | 258 const GrProcessorKey&, |
| 259 const char* outputColor, | 259 const char* outputColor, |
| 260 const char* inputColor, | 260 const char* inputColor, |
| 261 const TransformedCoordsArray&, | 261 const TransformedCoordsArray&, |
| 262 const TextureSamplerArray&) SK_OVERRIDE; | 262 const TextureSamplerArray&) SK_OVERRIDE; |
| 263 | 263 |
| 264 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 264 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
| 265 | 265 |
| 266 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); | 266 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
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| 354 | 354 |
| 355 GrGLArithmeticEffect::GrGLArithmeticEffect(const GrBackendProcessorFactory& fact
ory, | 355 GrGLArithmeticEffect::GrGLArithmeticEffect(const GrBackendProcessorFactory& fact
ory, |
| 356 const GrProcessor&) | 356 const GrProcessor&) |
| 357 : INHERITED(factory), | 357 : INHERITED(factory), |
| 358 fEnforcePMColor(true) { | 358 fEnforcePMColor(true) { |
| 359 } | 359 } |
| 360 | 360 |
| 361 GrGLArithmeticEffect::~GrGLArithmeticEffect() { | 361 GrGLArithmeticEffect::~GrGLArithmeticEffect() { |
| 362 } | 362 } |
| 363 | 363 |
| 364 void GrGLArithmeticEffect::emitCode(GrGLProgramBuilder* builder, | 364 void GrGLArithmeticEffect::emitCode(GrGLFPBuilder* builder, |
| 365 const GrFragmentProcessor& fp, | 365 const GrFragmentProcessor& fp, |
| 366 const GrProcessorKey& key, | 366 const GrProcessorKey& key, |
| 367 const char* outputColor, | 367 const char* outputColor, |
| 368 const char* inputColor, | 368 const char* inputColor, |
| 369 const TransformedCoordsArray& coords, | 369 const TransformedCoordsArray& coords, |
| 370 const TextureSamplerArray& samplers) { | 370 const TextureSamplerArray& samplers) { |
| 371 | 371 |
| 372 GrTexture* backgroundTex = fp.cast<GrArithmeticEffect>().backgroundTexture()
; | 372 GrTexture* backgroundTex = fp.cast<GrArithmeticEffect>().backgroundTexture()
; |
| 373 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 373 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
| 374 const char* dstColor; | 374 const char* dstColor; |
| 375 if (backgroundTex) { | 375 if (backgroundTex) { |
| 376 fsBuilder->codeAppend("\t\tvec4 bgColor = "); | 376 fsBuilder->codeAppend("\t\tvec4 bgColor = "); |
| 377 fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0]
.getType()); | 377 fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0]
.getType()); |
| 378 fsBuilder->codeAppendf(";\n"); | 378 fsBuilder->codeAppendf(";\n"); |
| 379 dstColor = "bgColor"; | 379 dstColor = "bgColor"; |
| 380 } else { | 380 } else { |
| 381 dstColor = fsBuilder->dstColor(); | 381 dstColor = fsBuilder->dstColor(); |
| 382 } | 382 } |
| 383 | 383 |
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| 453 background); | 453 background); |
| 454 } | 454 } |
| 455 return true; | 455 return true; |
| 456 } | 456 } |
| 457 | 457 |
| 458 #endif | 458 #endif |
| 459 | 459 |
| 460 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkArithmeticMode) | 460 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkArithmeticMode) |
| 461 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkArithmeticMode_scalar) | 461 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkArithmeticMode_scalar) |
| 462 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 462 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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