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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 "SkPerlinNoiseShader.h" | 8 #include "SkPerlinNoiseShader.h" |
9 #include "SkColorFilter.h" | 9 #include "SkColorFilter.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
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591 kNone_SkFilterQuality); | 591 kNone_SkFilterQuality); |
592 } | 592 } |
593 | 593 |
594 void GrGLPerlinNoise::emitCode(EmitArgs& args) { | 594 void GrGLPerlinNoise::emitCode(EmitArgs& args) { |
595 const GrPerlinNoiseEffect& pne = args.fFp.cast<GrPerlinNoiseEffect>(); | 595 const GrPerlinNoiseEffect& pne = args.fFp.cast<GrPerlinNoiseEffect>(); |
596 | 596 |
597 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 597 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
598 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; | 598 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
599 SkString vCoords = fragBuilder->ensureFSCoords2D(args.fCoords, 0); | 599 SkString vCoords = fragBuilder->ensureFSCoords2D(args.fCoords, 0); |
600 | 600 |
601 fBaseFrequencyUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragme
nt_Visibility, | 601 fBaseFrequencyUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
602 kVec2f_GrSLType, kDefault_GrS
LPrecision, | 602 kVec2f_GrSLType, kDefault_GrS
LPrecision, |
603 "baseFrequency"); | 603 "baseFrequency"); |
604 const char* baseFrequencyUni = uniformHandler->getUniformCStr(fBaseFrequency
Uni); | 604 const char* baseFrequencyUni = uniformHandler->getUniformCStr(fBaseFrequency
Uni); |
605 | 605 |
606 const char* stitchDataUni = nullptr; | 606 const char* stitchDataUni = nullptr; |
607 if (pne.stitchTiles()) { | 607 if (pne.stitchTiles()) { |
608 fStitchDataUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragm
ent_Visibility, | 608 fStitchDataUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
609 kVec2f_GrSLType, kDefault_Gr
SLPrecision, | 609 kVec2f_GrSLType, kDefault_Gr
SLPrecision, |
610 "stitchData"); | 610 "stitchData"); |
611 stitchDataUni = uniformHandler->getUniformCStr(fStitchDataUni); | 611 stitchDataUni = uniformHandler->getUniformCStr(fStitchDataUni); |
612 } | 612 } |
613 | 613 |
614 // There are 4 lines, so the center of each line is 1/8, 3/8, 5/8 and 7/8 | 614 // There are 4 lines, so the center of each line is 1/8, 3/8, 5/8 and 7/8 |
615 const char* chanCoordR = "0.125"; | 615 const char* chanCoordR = "0.125"; |
616 const char* chanCoordG = "0.375"; | 616 const char* chanCoordG = "0.375"; |
617 const char* chanCoordB = "0.625"; | 617 const char* chanCoordB = "0.625"; |
618 const char* chanCoordA = "0.875"; | 618 const char* chanCoordA = "0.875"; |
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970 str->append(" seed: "); | 970 str->append(" seed: "); |
971 str->appendScalar(fSeed); | 971 str->appendScalar(fSeed); |
972 str->append(" stitch tiles: "); | 972 str->append(" stitch tiles: "); |
973 str->append(fStitchTiles ? "true " : "false "); | 973 str->append(fStitchTiles ? "true " : "false "); |
974 | 974 |
975 this->INHERITED::toString(str); | 975 this->INHERITED::toString(str); |
976 | 976 |
977 str->append(")"); | 977 str->append(")"); |
978 } | 978 } |
979 #endif | 979 #endif |
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