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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 "SkDither.h" | 8 #include "SkDither.h" |
9 #include "SkPerlinNoiseShader.h" | 9 #include "SkPerlinNoiseShader.h" |
10 #include "SkColorFilter.h" | 10 #include "SkColorFilter.h" |
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511 #include "GrTBackendProcessorFactory.h" | 511 #include "GrTBackendProcessorFactory.h" |
512 | 512 |
513 class GrGLPerlinNoise : public GrGLFragmentProcessor { | 513 class GrGLPerlinNoise : public GrGLFragmentProcessor { |
514 public: | 514 public: |
515 GrGLPerlinNoise(const GrBackendProcessorFactory&, | 515 GrGLPerlinNoise(const GrBackendProcessorFactory&, |
516 const GrProcessor&); | 516 const GrProcessor&); |
517 virtual ~GrGLPerlinNoise() {} | 517 virtual ~GrGLPerlinNoise() {} |
518 | 518 |
519 virtual void emitCode(GrGLFPBuilder*, | 519 virtual void emitCode(GrGLFPBuilder*, |
520 const GrFragmentProcessor&, | 520 const GrFragmentProcessor&, |
521 const GrProcessorKey&, | |
522 const char* outputColor, | 521 const char* outputColor, |
523 const char* inputColor, | 522 const char* inputColor, |
524 const TransformedCoordsArray&, | 523 const TransformedCoordsArray&, |
525 const TextureSamplerArray&) SK_OVERRIDE; | 524 const TextureSamplerArray&) SK_OVERRIDE; |
526 | 525 |
527 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 526 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
528 | 527 |
529 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder* b); | 528 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder* b); |
530 | 529 |
531 private: | 530 private: |
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656 GrGLPerlinNoise::GrGLPerlinNoise(const GrBackendProcessorFactory& factory, | 655 GrGLPerlinNoise::GrGLPerlinNoise(const GrBackendProcessorFactory& factory, |
657 const GrProcessor& processor) | 656 const GrProcessor& processor) |
658 : INHERITED (factory) | 657 : INHERITED (factory) |
659 , fType(processor.cast<GrPerlinNoiseEffect>().type()) | 658 , fType(processor.cast<GrPerlinNoiseEffect>().type()) |
660 , fStitchTiles(processor.cast<GrPerlinNoiseEffect>().stitchTiles()) | 659 , fStitchTiles(processor.cast<GrPerlinNoiseEffect>().stitchTiles()) |
661 , fNumOctaves(processor.cast<GrPerlinNoiseEffect>().numOctaves()) { | 660 , fNumOctaves(processor.cast<GrPerlinNoiseEffect>().numOctaves()) { |
662 } | 661 } |
663 | 662 |
664 void GrGLPerlinNoise::emitCode(GrGLFPBuilder* builder, | 663 void GrGLPerlinNoise::emitCode(GrGLFPBuilder* builder, |
665 const GrFragmentProcessor&, | 664 const GrFragmentProcessor&, |
666 const GrProcessorKey& key, | |
667 const char* outputColor, | 665 const char* outputColor, |
668 const char* inputColor, | 666 const char* inputColor, |
669 const TransformedCoordsArray& coords, | 667 const TransformedCoordsArray& coords, |
670 const TextureSamplerArray& samplers) { | 668 const TextureSamplerArray& samplers) { |
671 sk_ignore_unused_variable(inputColor); | 669 sk_ignore_unused_variable(inputColor); |
672 | 670 |
673 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 671 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
674 SkString vCoords = fsBuilder->ensureFSCoords2D(coords, 0); | 672 SkString vCoords = fsBuilder->ensureFSCoords2D(coords, 0); |
675 | 673 |
676 fBaseFrequencyUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibi
lity, | 674 fBaseFrequencyUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibi
lity, |
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1050 str->append(" seed: "); | 1048 str->append(" seed: "); |
1051 str->appendScalar(fSeed); | 1049 str->appendScalar(fSeed); |
1052 str->append(" stitch tiles: "); | 1050 str->append(" stitch tiles: "); |
1053 str->append(fStitchTiles ? "true " : "false "); | 1051 str->append(fStitchTiles ? "true " : "false "); |
1054 | 1052 |
1055 this->INHERITED::toString(str); | 1053 this->INHERITED::toString(str); |
1056 | 1054 |
1057 str->append(")"); | 1055 str->append(")"); |
1058 } | 1056 } |
1059 #endif | 1057 #endif |
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