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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" |
| (...skipping 480 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 491 | 491 |
| 492 virtual void emitCode(GrGLFPBuilder*, | 492 virtual void emitCode(GrGLFPBuilder*, |
| 493 const GrFragmentProcessor&, | 493 const GrFragmentProcessor&, |
| 494 const char* outputColor, | 494 const char* outputColor, |
| 495 const char* inputColor, | 495 const char* inputColor, |
| 496 const TransformedCoordsArray&, | 496 const TransformedCoordsArray&, |
| 497 const TextureSamplerArray&) override; | 497 const TextureSamplerArray&) override; |
| 498 | 498 |
| 499 void setData(const GrGLProgramDataManager&, const GrProcessor&) override; | 499 void setData(const GrGLProgramDataManager&, const GrProcessor&) override; |
| 500 | 500 |
| 501 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder* b); | 501 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor
KeyBuilder* b); |
| 502 | 502 |
| 503 private: | 503 private: |
| 504 | 504 |
| 505 GrGLProgramDataManager::UniformHandle fStitchDataUni; | 505 GrGLProgramDataManager::UniformHandle fStitchDataUni; |
| 506 SkPerlinNoiseShader::Type fType; | 506 SkPerlinNoiseShader::Type fType; |
| 507 bool fStitchTiles; | 507 bool fStitchTiles; |
| 508 int fNumOctaves; | 508 int fNumOctaves; |
| 509 GrGLProgramDataManager::UniformHandle fBaseFrequencyUni; | 509 GrGLProgramDataManager::UniformHandle fBaseFrequencyUni; |
| 510 GrGLProgramDataManager::UniformHandle fAlphaUni; | 510 GrGLProgramDataManager::UniformHandle fAlphaUni; |
| 511 | 511 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 525 return SkNEW_ARGS(GrPerlinNoiseEffect, (type, numOctaves, stitchTiles, p
aintingData, | 525 return SkNEW_ARGS(GrPerlinNoiseEffect, (type, numOctaves, stitchTiles, p
aintingData, |
| 526 permutationsTexture, noiseTextur
e, matrix, alpha)); | 526 permutationsTexture, noiseTextur
e, matrix, alpha)); |
| 527 } | 527 } |
| 528 | 528 |
| 529 virtual ~GrPerlinNoiseEffect() { | 529 virtual ~GrPerlinNoiseEffect() { |
| 530 SkDELETE(fPaintingData); | 530 SkDELETE(fPaintingData); |
| 531 } | 531 } |
| 532 | 532 |
| 533 const char* name() const override { return "PerlinNoise"; } | 533 const char* name() const override { return "PerlinNoise"; } |
| 534 | 534 |
| 535 virtual void getGLProcessorKey(const GrGLCaps& caps, | 535 virtual void getGLProcessorKey(const GrGLSLCaps& caps, |
| 536 GrProcessorKeyBuilder* b) const override { | 536 GrProcessorKeyBuilder* b) const override { |
| 537 GrGLPerlinNoise::GenKey(*this, caps, b); | 537 GrGLPerlinNoise::GenKey(*this, caps, b); |
| 538 } | 538 } |
| 539 | 539 |
| 540 GrGLFragmentProcessor* createGLInstance() const override { | 540 GrGLFragmentProcessor* createGLInstance() const override { |
| 541 return SkNEW_ARGS(GrGLPerlinNoise, (*this)); | 541 return SkNEW_ARGS(GrGLPerlinNoise, (*this)); |
| 542 } | 542 } |
| 543 | 543 |
| 544 const SkPerlinNoiseShader::StitchData& stitchData() const { return fPainting
Data->fStitchDataInit; } | 544 const SkPerlinNoiseShader::StitchData& stitchData() const { return fPainting
Data->fStitchDataInit; } |
| 545 | 545 |
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| 890 fsBuilder->codeAppendf("\n\t\t%s.a *= %s;", outputColor, alphaUni); | 890 fsBuilder->codeAppendf("\n\t\t%s.a *= %s;", outputColor, alphaUni); |
| 891 | 891 |
| 892 // Clamp values | 892 // Clamp values |
| 893 fsBuilder->codeAppendf("\n\t\t%s = clamp(%s, 0.0, 1.0);", outputColor, outpu
tColor); | 893 fsBuilder->codeAppendf("\n\t\t%s = clamp(%s, 0.0, 1.0);", outputColor, outpu
tColor); |
| 894 | 894 |
| 895 // Pre-multiply the result | 895 // Pre-multiply the result |
| 896 fsBuilder->codeAppendf("\n\t\t%s = vec4(%s.rgb * %s.aaa, %s.a);\n", | 896 fsBuilder->codeAppendf("\n\t\t%s = vec4(%s.rgb * %s.aaa, %s.a);\n", |
| 897 outputColor, outputColor, outputColor, outputColor); | 897 outputColor, outputColor, outputColor, outputColor); |
| 898 } | 898 } |
| 899 | 899 |
| 900 void GrGLPerlinNoise::GenKey(const GrProcessor& processor, const GrGLCaps&, | 900 void GrGLPerlinNoise::GenKey(const GrProcessor& processor, const GrGLSLCaps&, |
| 901 GrProcessorKeyBuilder* b) { | 901 GrProcessorKeyBuilder* b) { |
| 902 const GrPerlinNoiseEffect& turbulence = processor.cast<GrPerlinNoiseEffect>(
); | 902 const GrPerlinNoiseEffect& turbulence = processor.cast<GrPerlinNoiseEffect>(
); |
| 903 | 903 |
| 904 uint32_t key = turbulence.numOctaves(); | 904 uint32_t key = turbulence.numOctaves(); |
| 905 | 905 |
| 906 key = key << 3; // Make room for next 3 bits | 906 key = key << 3; // Make room for next 3 bits |
| 907 | 907 |
| 908 switch (turbulence.type()) { | 908 switch (turbulence.type()) { |
| 909 case SkPerlinNoiseShader::kFractalNoise_Type: | 909 case SkPerlinNoiseShader::kFractalNoise_Type: |
| 910 key |= 0x1; | 910 key |= 0x1; |
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| 1032 str->append(" seed: "); | 1032 str->append(" seed: "); |
| 1033 str->appendScalar(fSeed); | 1033 str->appendScalar(fSeed); |
| 1034 str->append(" stitch tiles: "); | 1034 str->append(" stitch tiles: "); |
| 1035 str->append(fStitchTiles ? "true " : "false "); | 1035 str->append(fStitchTiles ? "true " : "false "); |
| 1036 | 1036 |
| 1037 this->INHERITED::toString(str); | 1037 this->INHERITED::toString(str); |
| 1038 | 1038 |
| 1039 str->append(")"); | 1039 str->append(")"); |
| 1040 } | 1040 } |
| 1041 #endif | 1041 #endif |
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