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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" |
| (...skipping 84 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 95 | 95 |
| 96 class GLSLProcessor : public GrGLSLFragmentProcessor { | 96 class GLSLProcessor : public GrGLSLFragmentProcessor { |
| 97 public: | 97 public: |
| 98 // this class always generates the same code. | 98 // this class always generates the same code. |
| 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 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 102 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 103 | 103 |
| 104 const char* colorSpaceMatrix = nullptr; | 104 const char* colorSpaceMatrix = nullptr; |
| 105 fMatrixUni = args.fUniformHandler->addUniform( | 105 fMatrixUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag
, |
| 106 GrGLSLUniformHandler::k
Fragment_Visibility, | 106 kMat44f_GrSLType, kDef
ault_GrSLPrecision, |
| 107 kMat44f_GrSLType, kDefa
ult_GrSLPrecision, | 107 "ColorSpaceMatrix", &c
olorSpaceMatrix); |
| 108 "ColorSpaceMatrix", &co
lorSpaceMatrix); | |
| 109 fragBuilder->codeAppendf("%s = vec4(", args.fOutputColor); | 108 fragBuilder->codeAppendf("%s = vec4(", args.fOutputColor); |
| 110 fragBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].
c_str(), | 109 fragBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].
c_str(), |
| 111 args.fCoords[0].getType()); | 110 args.fCoords[0].getType()); |
| 112 fragBuilder->codeAppend(".r,"); | 111 fragBuilder->codeAppend(".r,"); |
| 113 fragBuilder->appendTextureLookup(args.fSamplers[1], args.fCoords[1].
c_str(), | 112 fragBuilder->appendTextureLookup(args.fSamplers[1], args.fCoords[1].
c_str(), |
| 114 args.fCoords[1].getType()); | 113 args.fCoords[1].getType()); |
| 115 fragBuilder->codeAppend(".r,"); | 114 fragBuilder->codeAppend(".r,"); |
| 116 fragBuilder->appendTextureLookup(args.fSamplers[2], args.fCoords[2].
c_str(), | 115 fragBuilder->appendTextureLookup(args.fSamplers[2], args.fCoords[2].
c_str(), |
| 117 args.fCoords[2].getType()); | 116 args.fCoords[2].getType()); |
| 118 fragBuilder->codeAppendf(".r, 1.0) * %s;", colorSpaceMatrix); | 117 fragBuilder->codeAppendf(".r, 1.0) * %s;", colorSpaceMatrix); |
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| 229 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 228 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 230 OutputChannels oc = args.fFp.cast<RGBToYUVEffect>().outputChannels()
; | 229 OutputChannels oc = args.fFp.cast<RGBToYUVEffect>().outputChannels()
; |
| 231 | 230 |
| 232 SkString outputColor("rgbColor"); | 231 SkString outputColor("rgbColor"); |
| 233 this->emitChild(0, args.fInputColor, &outputColor, args); | 232 this->emitChild(0, args.fInputColor, &outputColor, args); |
| 234 | 233 |
| 235 const char* uniName; | 234 const char* uniName; |
| 236 switch (oc) { | 235 switch (oc) { |
| 237 case kYUV_OutputChannels: | 236 case kYUV_OutputChannels: |
| 238 fRGBToYUVUni = args.fUniformHandler->addUniformArray( | 237 fRGBToYUVUni = args.fUniformHandler->addUniformArray( |
| 239 GrGLSLUniformHandler::kFragment_Visibility, | 238 kFragment_GrShaderFlag, |
| 240 kVec4f_GrSLType, kDefault_GrSLPrecision, | 239 kVec4f_GrSLType, kDefault_GrSLPrecision, |
| 241 "RGBToYUV", 3, &uniName); | 240 "RGBToYUV", 3, &uniName); |
| 242 fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s[0].
rgb) + %s[0].a," | 241 fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s[0].
rgb) + %s[0].a," |
| 243 "dot(rgbColor.rgb, %s[1].
rgb) + %s[1].a," | 242 "dot(rgbColor.rgb, %s[1].
rgb) + %s[1].a," |
| 244 "dot(rgbColor.rgb, %s[2].
rgb) + %s[2].a," | 243 "dot(rgbColor.rgb, %s[2].
rgb) + %s[2].a," |
| 245 "rgbColor.a);", | 244 "rgbColor.a);", |
| 246 args.fOutputColor, uniName, uniName
, uniName, uniName, | 245 args.fOutputColor, uniName, uniName
, uniName, uniName, |
| 247 uniName, uniName); | 246 uniName, uniName); |
| 248 break; | 247 break; |
| 249 case kUV_OutputChannels: | 248 case kUV_OutputChannels: |
| 250 fRGBToYUVUni = args.fUniformHandler->addUniformArray( | 249 fRGBToYUVUni = args.fUniformHandler->addUniformArray( |
| 251 GrGLSLUniformHandler::kFragment_Visibility, | 250 kFragment_GrShaderFlag, |
| 252 kVec4f_GrSLType, kDefault_GrSLPrecision, | 251 kVec4f_GrSLType, kDefault_GrSLPrecision, |
| 253 "RGBToUV", 2, &uniName); | 252 "RGBToUV", 2, &uniName); |
| 254 fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s[0].
rgb) + %s[0].a," | 253 fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s[0].
rgb) + %s[0].a," |
| 255 "dot(rgbColor.rgb, %s[1].
rgb) + %s[1].a," | 254 "dot(rgbColor.rgb, %s[1].
rgb) + %s[1].a," |
| 256 "0.0," | 255 "0.0," |
| 257 "rgbColor.a);", | 256 "rgbColor.a);", |
| 258 args.fOutputColor, uniName, uniName
, uniName, uniName); | 257 args.fOutputColor, uniName, uniName
, uniName, uniName); |
| 259 break; | 258 break; |
| 260 case kY_OutputChannels: | 259 case kY_OutputChannels: |
| 261 case kU_OutputChannels: | 260 case kU_OutputChannels: |
| 262 case kV_OutputChannels: | 261 case kV_OutputChannels: |
| 263 fRGBToYUVUni = args.fUniformHandler->addUniform( | 262 fRGBToYUVUni = args.fUniformHandler->addUniform( |
| 264 GrGLSLUniformHandler::kFragment_Visibility, | 263 kFragment_GrShaderFlag, |
| 265 kVec4f_GrSLType, kDefault_GrSLPrecision, | 264 kVec4f_GrSLType, kDefault_GrSLPrecision, |
| 266 "RGBToYUorV", &uniName); | 265 "RGBToYUorV", &uniName); |
| 267 fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s.rgb
) + %s.a);\n", | 266 fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s.rgb
) + %s.a);\n", |
| 268 args.fOutputColor, uniName, uniName
); | 267 args.fOutputColor, uniName, uniName
); |
| 269 break; | 268 break; |
| 270 } | 269 } |
| 271 } | 270 } |
| 272 | 271 |
| 273 private: | 272 private: |
| 274 void onSetData(const GrGLSLProgramDataManager& pdman, | 273 void onSetData(const GrGLSLProgramDataManager& pdman, |
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| 380 GrYUVEffect::CreateRGBToU(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { | 379 GrYUVEffect::CreateRGBToU(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { |
| 381 SkASSERT(rgbFP); | 380 SkASSERT(rgbFP); |
| 382 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kU_OutputChanne
ls); | 381 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kU_OutputChanne
ls); |
| 383 } | 382 } |
| 384 | 383 |
| 385 const GrFragmentProcessor* | 384 const GrFragmentProcessor* |
| 386 GrYUVEffect::CreateRGBToV(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { | 385 GrYUVEffect::CreateRGBToV(const GrFragmentProcessor* rgbFP, SkYUVColorSpace colo
rSpace) { |
| 387 SkASSERT(rgbFP); | 386 SkASSERT(rgbFP); |
| 388 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kV_OutputChanne
ls); | 387 return new RGBToYUVEffect(rgbFP, colorSpace, RGBToYUVEffect::kV_OutputChanne
ls); |
| 389 } | 388 } |
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