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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "GrYUVEffect.h" | 8 #include "GrYUVEffect.h" |
9 | 9 |
10 #include "GrCoordTransform.h" | 10 #include "GrCoordTransform.h" |
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99 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder*) {} | 99 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder*) {} |
100 | 100 |
101 void emitCode(EmitArgs& args) override { | 101 void emitCode(EmitArgs& args) override { |
102 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; | 102 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
103 | 103 |
104 const char* colorSpaceMatrix = nullptr; | 104 const char* colorSpaceMatrix = nullptr; |
105 fMatrixUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag
, | 105 fMatrixUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag
, |
106 kMat44f_GrSLType, kDef
ault_GrSLPrecision, | 106 kMat44f_GrSLType, kDef
ault_GrSLPrecision, |
107 "ColorSpaceMatrix", &c
olorSpaceMatrix); | 107 "ColorSpaceMatrix", &c
olorSpaceMatrix); |
108 fragBuilder->codeAppendf("%s = vec4(", args.fOutputColor); | 108 fragBuilder->codeAppendf("%s = vec4(", args.fOutputColor); |
109 fragBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].
c_str(), | 109 fragBuilder->appendTextureLookup(args.fTexSamplers[0], args.fCoords[
0].c_str(), |
110 args.fCoords[0].getType()); | 110 args.fCoords[0].getType()); |
111 fragBuilder->codeAppend(".r,"); | 111 fragBuilder->codeAppend(".r,"); |
112 fragBuilder->appendTextureLookup(args.fSamplers[1], args.fCoords[1].
c_str(), | 112 fragBuilder->appendTextureLookup(args.fTexSamplers[1], args.fCoords[
1].c_str(), |
113 args.fCoords[1].getType()); | 113 args.fCoords[1].getType()); |
114 fragBuilder->codeAppend(".r,"); | 114 fragBuilder->codeAppend(".r,"); |
115 fragBuilder->appendTextureLookup(args.fSamplers[2], args.fCoords[2].
c_str(), | 115 fragBuilder->appendTextureLookup(args.fTexSamplers[2], args.fCoords[
2].c_str(), |
116 args.fCoords[2].getType()); | 116 args.fCoords[2].getType()); |
117 fragBuilder->codeAppendf(".r, 1.0) * %s;", colorSpaceMatrix); | 117 fragBuilder->codeAppendf(".r, 1.0) * %s;", colorSpaceMatrix); |
118 } | 118 } |
119 | 119 |
120 protected: | 120 protected: |
121 void onSetData(const GrGLSLProgramDataManager& pdman, | 121 void onSetData(const GrGLSLProgramDataManager& pdman, |
122 const GrProcessor& processor) override { | 122 const GrProcessor& processor) override { |
123 const YUVtoRGBEffect& yuvEffect = processor.cast<YUVtoRGBEffect>(); | 123 const YUVtoRGBEffect& yuvEffect = processor.cast<YUVtoRGBEffect>(); |
124 switch (yuvEffect.getColorSpace()) { | 124 switch (yuvEffect.getColorSpace()) { |
125 case kJPEG_SkYUVColorSpace: | 125 case kJPEG_SkYUVColorSpace: |
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379 GrYUVEffect::CreateRGBToU(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { | 379 GrYUVEffect::CreateRGBToU(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { |
380 SkASSERT(rgbFP); | 380 SkASSERT(rgbFP); |
381 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kU_OutputChanne
ls); | 381 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kU_OutputChanne
ls); |
382 } | 382 } |
383 | 383 |
384 const GrFragmentProcessor* | 384 const GrFragmentProcessor* |
385 GrYUVEffect::CreateRGBToV(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { | 385 GrYUVEffect::CreateRGBToV(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { |
386 SkASSERT(rgbFP); | 386 SkASSERT(rgbFP); |
387 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kV_OutputChanne
ls); | 387 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kV_OutputChanne
ls); |
388 } | 388 } |
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