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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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579 fPaintingData->fBaseFrequency == s.fPaintingData->fBaseFrequency
&& | 579 fPaintingData->fBaseFrequency == s.fPaintingData->fBaseFrequency
&& |
580 fNumOctaves == s.fNumOctaves && | 580 fNumOctaves == s.fNumOctaves && |
581 fStitchTiles == s.fStitchTiles && | 581 fStitchTiles == s.fStitchTiles && |
582 fCoordTransform.getMatrix() == s.fCoordTransform.getMatrix() && | 582 fCoordTransform.getMatrix() == s.fCoordTransform.getMatrix() && |
583 fAlpha == s.fAlpha && | 583 fAlpha == s.fAlpha && |
584 fPermutationsAccess.getTexture() == s.fPermutationsAccess.getText
ure() && | 584 fPermutationsAccess.getTexture() == s.fPermutationsAccess.getText
ure() && |
585 fNoiseAccess.getTexture() == s.fNoiseAccess.getTexture() && | 585 fNoiseAccess.getTexture() == s.fNoiseAccess.getTexture() && |
586 fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataIni
t; | 586 fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataIni
t; |
587 } | 587 } |
588 | 588 |
| 589 void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE { |
| 590 inout->fValidFlags = 0; // This is noise. Nothing is constant. |
| 591 inout->fIsSingleComponent = false; |
| 592 } |
| 593 |
589 GrPerlinNoiseEffect(SkPerlinNoiseShader::Type type, | 594 GrPerlinNoiseEffect(SkPerlinNoiseShader::Type type, |
590 int numOctaves, bool stitchTiles, | 595 int numOctaves, bool stitchTiles, |
591 SkPerlinNoiseShader::PaintingData* paintingData, | 596 SkPerlinNoiseShader::PaintingData* paintingData, |
592 GrTexture* permutationsTexture, GrTexture* noiseTexture, | 597 GrTexture* permutationsTexture, GrTexture* noiseTexture, |
593 const SkMatrix& matrix, uint8_t alpha) | 598 const SkMatrix& matrix, uint8_t alpha) |
594 : fType(type) | 599 : fType(type) |
595 , fNumOctaves(numOctaves) | 600 , fNumOctaves(numOctaves) |
596 , fStitchTiles(stitchTiles) | 601 , fStitchTiles(stitchTiles) |
597 , fAlpha(alpha) | 602 , fAlpha(alpha) |
598 , fPermutationsAccess(permutationsTexture) | 603 , fPermutationsAccess(permutationsTexture) |
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609 | 614 |
610 SkPerlinNoiseShader::Type fType; | 615 SkPerlinNoiseShader::Type fType; |
611 GrCoordTransform fCoordTransform; | 616 GrCoordTransform fCoordTransform; |
612 int fNumOctaves; | 617 int fNumOctaves; |
613 bool fStitchTiles; | 618 bool fStitchTiles; |
614 uint8_t fAlpha; | 619 uint8_t fAlpha; |
615 GrTextureAccess fPermutationsAccess; | 620 GrTextureAccess fPermutationsAccess; |
616 GrTextureAccess fNoiseAccess; | 621 GrTextureAccess fNoiseAccess; |
617 SkPerlinNoiseShader::PaintingData *fPaintingData; | 622 SkPerlinNoiseShader::PaintingData *fPaintingData; |
618 | 623 |
619 void getConstantColorComponents(GrColor*, uint32_t* validFlags) const SK_OVE
RRIDE { | |
620 *validFlags = 0; // This is noise. Nothing is constant. | |
621 } | |
622 | |
623 private: | 624 private: |
624 typedef GrFragmentProcessor INHERITED; | 625 typedef GrFragmentProcessor INHERITED; |
625 }; | 626 }; |
626 | 627 |
627 ///////////////////////////////////////////////////////////////////// | 628 ///////////////////////////////////////////////////////////////////// |
628 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrPerlinNoiseEffect); | 629 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrPerlinNoiseEffect); |
629 | 630 |
630 GrFragmentProcessor* GrPerlinNoiseEffect::TestCreate(SkRandom* random, | 631 GrFragmentProcessor* GrPerlinNoiseEffect::TestCreate(SkRandom* random, |
631 GrContext* context, | 632 GrContext* context, |
632 const GrDrawTargetCaps&, | 633 const GrDrawTargetCaps&, |
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1064 str->append(" seed: "); | 1065 str->append(" seed: "); |
1065 str->appendScalar(fSeed); | 1066 str->appendScalar(fSeed); |
1066 str->append(" stitch tiles: "); | 1067 str->append(" stitch tiles: "); |
1067 str->append(fStitchTiles ? "true " : "false "); | 1068 str->append(fStitchTiles ? "true " : "false "); |
1068 | 1069 |
1069 this->INHERITED::toString(str); | 1070 this->INHERITED::toString(str); |
1070 | 1071 |
1071 str->append(")"); | 1072 str->append(")"); |
1072 } | 1073 } |
1073 #endif | 1074 #endif |
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