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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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615 | 615 |
616 SkShader* shader = random->nextBool() ? | 616 SkShader* shader = random->nextBool() ? |
617 SkPerlinNoiseShader::CreateFractalNoise(baseFrequencyX, baseFrequencyY,
numOctaves, seed, | 617 SkPerlinNoiseShader::CreateFractalNoise(baseFrequencyX, baseFrequencyY,
numOctaves, seed, |
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 SkAssertResult(shader->asFragmentProcessor(context, paint, | 626 SkAssertResult(shader->asFragmentProcessor(context, paint, |
626 GrTest::TestMatrix(random), NULL, | 627 GrTest::TestMatrix(random), NULL, |
627 &paintColor, &effect)); | 628 &paintColor, grPaint.getShaderDat
aManager(), |
| 629 &effect)); |
628 | 630 |
629 SkDELETE(shader); | 631 SkDELETE(shader); |
630 | 632 |
631 return effect; | 633 return effect; |
632 } | 634 } |
633 | 635 |
634 GrGLPerlinNoise::GrGLPerlinNoise(const GrProcessor& processor) | 636 GrGLPerlinNoise::GrGLPerlinNoise(const GrProcessor& processor) |
635 : fType(processor.cast<GrPerlinNoiseEffect>().type()) | 637 : fType(processor.cast<GrPerlinNoiseEffect>().type()) |
636 , fStitchTiles(processor.cast<GrPerlinNoiseEffect>().stitchTiles()) | 638 , fStitchTiles(processor.cast<GrPerlinNoiseEffect>().stitchTiles()) |
637 , fNumOctaves(processor.cast<GrPerlinNoiseEffect>().numOctaves()) { | 639 , fNumOctaves(processor.cast<GrPerlinNoiseEffect>().numOctaves()) { |
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936 pdman.set2f(fStitchDataUni, SkIntToScalar(stitchData.fWidth), | 938 pdman.set2f(fStitchDataUni, SkIntToScalar(stitchData.fWidth), |
937 SkIntToScalar(stitchData.fHeight)); | 939 SkIntToScalar(stitchData.fHeight)); |
938 } | 940 } |
939 } | 941 } |
940 | 942 |
941 ///////////////////////////////////////////////////////////////////// | 943 ///////////////////////////////////////////////////////////////////// |
942 | 944 |
943 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext* context, const SkPaint&
paint, | 945 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext* context, const SkPaint&
paint, |
944 const SkMatrix& viewM, | 946 const SkMatrix& viewM, |
945 const SkMatrix* externalLocalMatri
x, | 947 const SkMatrix* externalLocalMatri
x, |
946 GrColor* paintColor, GrFragmentPro
cessor** fp) const { | 948 GrColor* paintColor, GrShaderDataM
anager*, |
| 949 GrFragmentProcessor** fp) const { |
947 SkASSERT(context); | 950 SkASSERT(context); |
948 | 951 |
949 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); | 952 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); |
950 | 953 |
951 SkMatrix localMatrix = this->getLocalMatrix(); | 954 SkMatrix localMatrix = this->getLocalMatrix(); |
952 if (externalLocalMatrix) { | 955 if (externalLocalMatrix) { |
953 localMatrix.preConcat(*externalLocalMatrix); | 956 localMatrix.preConcat(*externalLocalMatrix); |
954 } | 957 } |
955 | 958 |
956 SkMatrix matrix = viewM; | 959 SkMatrix matrix = viewM; |
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990 } else { | 993 } else { |
991 SkDELETE(paintingData); | 994 SkDELETE(paintingData); |
992 *fp = NULL; | 995 *fp = NULL; |
993 } | 996 } |
994 return true; | 997 return true; |
995 } | 998 } |
996 | 999 |
997 #else | 1000 #else |
998 | 1001 |
999 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext*, const SkPaint&, const
SkMatrix&, | 1002 bool SkPerlinNoiseShader::asFragmentProcessor(GrContext*, const SkPaint&, const
SkMatrix&, |
1000 const SkMatrix*, GrColor*, | 1003 const SkMatrix*, GrColor*, GrShade
rDataManager*, |
1001 GrFragmentProcessor**) const { | 1004 GrFragmentProcessor**) const { |
1002 SkDEBUGFAIL("Should not call in GPU-less build"); | 1005 SkDEBUGFAIL("Should not call in GPU-less build"); |
1003 return false; | 1006 return false; |
1004 } | 1007 } |
1005 | 1008 |
1006 #endif | 1009 #endif |
1007 | 1010 |
1008 #ifndef SK_IGNORE_TO_STRING | 1011 #ifndef SK_IGNORE_TO_STRING |
1009 void SkPerlinNoiseShader::toString(SkString* str) const { | 1012 void SkPerlinNoiseShader::toString(SkString* str) const { |
1010 str->append("SkPerlinNoiseShader: ("); | 1013 str->append("SkPerlinNoiseShader: ("); |
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1030 str->append(" seed: "); | 1033 str->append(" seed: "); |
1031 str->appendScalar(fSeed); | 1034 str->appendScalar(fSeed); |
1032 str->append(" stitch tiles: "); | 1035 str->append(" stitch tiles: "); |
1033 str->append(fStitchTiles ? "true " : "false "); | 1036 str->append(fStitchTiles ? "true " : "false "); |
1034 | 1037 |
1035 this->INHERITED::toString(str); | 1038 this->INHERITED::toString(str); |
1036 | 1039 |
1037 str->append(")"); | 1040 str->append(")"); |
1038 } | 1041 } |
1039 #endif | 1042 #endif |
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