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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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508 GrGLProgramDataManager::UniformHandle fAlphaUni; | 508 GrGLProgramDataManager::UniformHandle fAlphaUni; |
509 | 509 |
510 private: | 510 private: |
511 typedef GrGLFragmentProcessor INHERITED; | 511 typedef GrGLFragmentProcessor INHERITED; |
512 }; | 512 }; |
513 | 513 |
514 ///////////////////////////////////////////////////////////////////// | 514 ///////////////////////////////////////////////////////////////////// |
515 | 515 |
516 class GrPerlinNoiseEffect : public GrFragmentProcessor { | 516 class GrPerlinNoiseEffect : public GrFragmentProcessor { |
517 public: | 517 public: |
518 static GrFragmentProcessor* Create(GrShaderDataManager* shaderDataManager, | 518 static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager, |
519 SkPerlinNoiseShader::Type type, | 519 SkPerlinNoiseShader::Type type, |
520 int numOctaves, bool stitchTiles, | 520 int numOctaves, bool stitchTiles, |
521 SkPerlinNoiseShader::PaintingData* painti
ngData, | 521 SkPerlinNoiseShader::PaintingData* painti
ngData, |
522 GrTexture* permutationsTexture, GrTexture
* noiseTexture, | 522 GrTexture* permutationsTexture, GrTexture
* noiseTexture, |
523 const SkMatrix& matrix, uint8_t alpha) { | 523 const SkMatrix& matrix, uint8_t alpha) { |
524 return SkNEW_ARGS(GrPerlinNoiseEffect, (shaderDataManager, type, numOcta
ves, stitchTiles, | 524 return SkNEW_ARGS(GrPerlinNoiseEffect, (procDataManager, type, numOctave
s, stitchTiles, |
525 paintingData, permutationsTextur
e, noiseTexture, | 525 paintingData, permutationsTextur
e, noiseTexture, |
526 matrix, alpha)); | 526 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 |
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558 fNumOctaves == s.fNumOctaves && | 558 fNumOctaves == s.fNumOctaves && |
559 fStitchTiles == s.fStitchTiles && | 559 fStitchTiles == s.fStitchTiles && |
560 fAlpha == s.fAlpha && | 560 fAlpha == s.fAlpha && |
561 fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataIni
t; | 561 fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataIni
t; |
562 } | 562 } |
563 | 563 |
564 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { | 564 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { |
565 inout->setToUnknown(GrInvariantOutput::kWillNot_ReadInput); | 565 inout->setToUnknown(GrInvariantOutput::kWillNot_ReadInput); |
566 } | 566 } |
567 | 567 |
568 GrPerlinNoiseEffect(GrShaderDataManager*, SkPerlinNoiseShader::Type type, | 568 GrPerlinNoiseEffect(GrProcessorDataManager*, SkPerlinNoiseShader::Type type, |
569 int numOctaves, bool stitchTiles, | 569 int numOctaves, bool stitchTiles, |
570 SkPerlinNoiseShader::PaintingData* paintingData, | 570 SkPerlinNoiseShader::PaintingData* paintingData, |
571 GrTexture* permutationsTexture, GrTexture* noiseTexture, | 571 GrTexture* permutationsTexture, GrTexture* noiseTexture, |
572 const SkMatrix& matrix, uint8_t alpha) | 572 const SkMatrix& matrix, uint8_t alpha) |
573 : fType(type) | 573 : fType(type) |
574 , fNumOctaves(numOctaves) | 574 , fNumOctaves(numOctaves) |
575 , fStitchTiles(stitchTiles) | 575 , fStitchTiles(stitchTiles) |
576 , fAlpha(alpha) | 576 , fAlpha(alpha) |
577 , fPermutationsAccess(permutationsTexture) | 577 , fPermutationsAccess(permutationsTexture) |
578 , fNoiseAccess(noiseTexture) | 578 , fNoiseAccess(noiseTexture) |
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618 stitchTiles ? &tileSize : NULL)
: | 618 stitchTiles ? &tileSize : NULL)
: |
619 SkPerlinNoiseShader::CreateTurbulence(baseFrequencyX, baseFrequencyY, nu
mOctaves, seed, | 619 SkPerlinNoiseShader::CreateTurbulence(baseFrequencyX, baseFrequencyY, nu
mOctaves, seed, |
620 stitchTiles ? &tileSize : NULL); | 620 stitchTiles ? &tileSize : NULL); |
621 | 621 |
622 SkPaint paint; | 622 SkPaint paint; |
623 GrColor paintColor; | 623 GrColor paintColor; |
624 GrFragmentProcessor* effect; | 624 GrFragmentProcessor* effect; |
625 GrPaint grPaint; | 625 GrPaint grPaint; |
626 SkAssertResult(shader->asFragmentProcessor(d->fContext, paint, | 626 SkAssertResult(shader->asFragmentProcessor(d->fContext, paint, |
627 GrTest::TestMatrix(d->fRandom), N
ULL, | 627 GrTest::TestMatrix(d->fRandom), N
ULL, |
628 &paintColor, grPaint.getShaderDat
aManager(), | 628 &paintColor, grPaint.getProcessor
DataManager(), |
629 &effect)); | 629 &effect)); |
630 | 630 |
631 SkDELETE(shader); | 631 SkDELETE(shader); |
632 | 632 |
633 return effect; | 633 return effect; |
634 } | 634 } |
635 | 635 |
636 GrGLPerlinNoise::GrGLPerlinNoise(const GrProcessor& processor) | 636 GrGLPerlinNoise::GrGLPerlinNoise(const GrProcessor& processor) |
637 : fType(processor.cast<GrPerlinNoiseEffect>().type()) | 637 : fType(processor.cast<GrPerlinNoiseEffect>().type()) |
638 , fStitchTiles(processor.cast<GrPerlinNoiseEffect>().stitchTiles()) | 638 , fStitchTiles(processor.cast<GrPerlinNoiseEffect>().stitchTiles()) |
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939 SkIntToScalar(stitchData.fHeight)); | 939 SkIntToScalar(stitchData.fHeight)); |
940 } | 940 } |
941 } | 941 } |
942 | 942 |
943 ///////////////////////////////////////////////////////////////////// | 943 ///////////////////////////////////////////////////////////////////// |
944 | 944 |
945 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext* context, const SkPaint&
paint, | 945 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext* context, const SkPaint&
paint, |
946 const SkMatrix& viewM, | 946 const SkMatrix& viewM, |
947 const SkMatrix* externalLocalMatri
x, | 947 const SkMatrix* externalLocalMatri
x, |
948 GrColor* paintColor, | 948 GrColor* paintColor, |
949 GrShaderDataManager* shaderDataMan
ager, | 949 GrProcessorDataManager* procDataMa
nager, |
950 GrFragmentProcessor** fp) const { | 950 GrFragmentProcessor** fp) const { |
951 SkASSERT(context); | 951 SkASSERT(context); |
952 | 952 |
953 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); | 953 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); |
954 | 954 |
955 SkMatrix localMatrix = this->getLocalMatrix(); | 955 SkMatrix localMatrix = this->getLocalMatrix(); |
956 if (externalLocalMatrix) { | 956 if (externalLocalMatrix) { |
957 localMatrix.preConcat(*externalLocalMatrix); | 957 localMatrix.preConcat(*externalLocalMatrix); |
958 } | 958 } |
959 | 959 |
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978 SkNEW_ARGS(PaintingData, (fTileSize, fSeed, fBaseFrequencyX, fBaseFr
equencyY, matrix)); | 978 SkNEW_ARGS(PaintingData, (fTileSize, fSeed, fBaseFrequencyX, fBaseFr
equencyY, matrix)); |
979 SkAutoTUnref<GrTexture> permutationsTexture( | 979 SkAutoTUnref<GrTexture> permutationsTexture( |
980 GrRefCachedBitmapTexture(context, paintingData->getPermutationsBitmap(),
NULL)); | 980 GrRefCachedBitmapTexture(context, paintingData->getPermutationsBitmap(),
NULL)); |
981 SkAutoTUnref<GrTexture> noiseTexture( | 981 SkAutoTUnref<GrTexture> noiseTexture( |
982 GrRefCachedBitmapTexture(context, paintingData->getNoiseBitmap(), NULL))
; | 982 GrRefCachedBitmapTexture(context, paintingData->getNoiseBitmap(), NULL))
; |
983 | 983 |
984 SkMatrix m = viewM; | 984 SkMatrix m = viewM; |
985 m.setTranslateX(-localMatrix.getTranslateX() + SK_Scalar1); | 985 m.setTranslateX(-localMatrix.getTranslateX() + SK_Scalar1); |
986 m.setTranslateY(-localMatrix.getTranslateY() + SK_Scalar1); | 986 m.setTranslateY(-localMatrix.getTranslateY() + SK_Scalar1); |
987 if ((permutationsTexture) && (noiseTexture)) { | 987 if ((permutationsTexture) && (noiseTexture)) { |
988 *fp = GrPerlinNoiseEffect::Create(shaderDataManager, | 988 *fp = GrPerlinNoiseEffect::Create(procDataManager, |
989 fType, | 989 fType, |
990 fNumOctaves, | 990 fNumOctaves, |
991 fStitchTiles, | 991 fStitchTiles, |
992 paintingData, | 992 paintingData, |
993 permutationsTexture, noiseTexture, | 993 permutationsTexture, noiseTexture, |
994 m, paint.getAlpha()); | 994 m, paint.getAlpha()); |
995 } else { | 995 } else { |
996 SkDELETE(paintingData); | 996 SkDELETE(paintingData); |
997 *fp = NULL; | 997 *fp = NULL; |
998 } | 998 } |
999 return true; | 999 return true; |
1000 } | 1000 } |
1001 | 1001 |
1002 #else | 1002 #else |
1003 | 1003 |
1004 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext*, const SkPaint&, const
SkMatrix&, | 1004 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext*, const SkPaint&, const
SkMatrix&, |
1005 const SkMatrix*, GrColor*, GrShade
rDataManager*, | 1005 const SkMatrix*, GrColor*, GrProce
ssorDataManager*, |
1006 GrFragmentProcessor**) const { | 1006 GrFragmentProcessor**) const { |
1007 SkDEBUGFAIL("Should not call in GPU-less build"); | 1007 SkDEBUGFAIL("Should not call in GPU-less build"); |
1008 return false; | 1008 return false; |
1009 } | 1009 } |
1010 | 1010 |
1011 #endif | 1011 #endif |
1012 | 1012 |
1013 #ifndef SK_IGNORE_TO_STRING | 1013 #ifndef SK_IGNORE_TO_STRING |
1014 void SkPerlinNoiseShader::toString(SkString* str) const { | 1014 void SkPerlinNoiseShader::toString(SkString* str) const { |
1015 str->append("SkPerlinNoiseShader: ("); | 1015 str->append("SkPerlinNoiseShader: ("); |
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1035 str->append(" seed: "); | 1035 str->append(" seed: "); |
1036 str->appendScalar(fSeed); | 1036 str->appendScalar(fSeed); |
1037 str->append(" stitch tiles: "); | 1037 str->append(" stitch tiles: "); |
1038 str->append(fStitchTiles ? "true " : "false "); | 1038 str->append(fStitchTiles ? "true " : "false "); |
1039 | 1039 |
1040 this->INHERITED::toString(str); | 1040 this->INHERITED::toString(str); |
1041 | 1041 |
1042 str->append(")"); | 1042 str->append(")"); |
1043 } | 1043 } |
1044 #endif | 1044 #endif |
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