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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkPixelXorXfermode.h" | 8 #include "SkPixelXorXfermode.h" |
9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
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169 | 169 |
170 /////////////////////////////////////////////////////////////////////////////// | 170 /////////////////////////////////////////////////////////////////////////////// |
171 | 171 |
172 class GLPixelXorFP : public GrGLSLFragmentProcessor { | 172 class GLPixelXorFP : public GrGLSLFragmentProcessor { |
173 public: | 173 public: |
174 void emitCode(EmitArgs& args) override { | 174 void emitCode(EmitArgs& args) override { |
175 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 175 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
176 SkString dstColor("dstColor"); | 176 SkString dstColor("dstColor"); |
177 this->emitChild(0, nullptr, &dstColor, args); | 177 this->emitChild(0, nullptr, &dstColor, args); |
178 | 178 |
179 fOpColorUni = args.fUniformHandler->addUniform(GrGLSLUniformHandler::kFr
agment_Visibility, | 179 fOpColorUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, |
180 kVec3f_GrSLType, kHigh_Gr
SLPrecision, | 180 kVec3f_GrSLType, kHigh_Gr
SLPrecision, |
181 "opColor"); | 181 "opColor"); |
182 const char* kOpColorUni = args.fUniformHandler->getUniformCStr(fOpColorU
ni); | 182 const char* kOpColorUni = args.fUniformHandler->getUniformCStr(fOpColorU
ni); |
183 | 183 |
184 add_pixelxor_code(fragBuilder, args.fInputColor, dstColor.c_str(), | 184 add_pixelxor_code(fragBuilder, args.fInputColor, dstColor.c_str(), |
185 args.fOutputColor, kOpColorUni); | 185 args.fOutputColor, kOpColorUni); |
186 } | 186 } |
187 | 187 |
188 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil
der*) { } | 188 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil
der*) { } |
189 | 189 |
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272 | 272 |
273 private: | 273 private: |
274 void emitBlendCodeForDstRead(GrGLSLXPFragmentBuilder* fragBuilder, | 274 void emitBlendCodeForDstRead(GrGLSLXPFragmentBuilder* fragBuilder, |
275 GrGLSLUniformHandler* uniformHandler, | 275 GrGLSLUniformHandler* uniformHandler, |
276 const char* srcColor, | 276 const char* srcColor, |
277 const char* srcCoverage, | 277 const char* srcCoverage, |
278 const char* dstColor, | 278 const char* dstColor, |
279 const char* outColor, | 279 const char* outColor, |
280 const char* outColorSecondary, | 280 const char* outColorSecondary, |
281 const GrXferProcessor& proc) override { | 281 const GrXferProcessor& proc) override { |
282 fOpColorUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment
_Visibility, | 282 fOpColorUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
283 kVec3f_GrSLType, kHigh_GrSLPrec
ision, | 283 kVec3f_GrSLType, kHigh_GrSLPrec
ision, |
284 "opColor"); | 284 "opColor"); |
285 const char* kOpColorUni = uniformHandler->getUniformCStr(fOpColorUni); | 285 const char* kOpColorUni = uniformHandler->getUniformCStr(fOpColorUni); |
286 | 286 |
287 add_pixelxor_code(fragBuilder, srcColor, dstColor, outColor, kOpColorUni
); | 287 add_pixelxor_code(fragBuilder, srcColor, dstColor, outColor, kOpColorUni
); |
288 | 288 |
289 // Apply coverage. | 289 // Apply coverage. |
290 INHERITED::DefaultCoverageModulation(fragBuilder, srcCoverage, dstColor,
outColor, | 290 INHERITED::DefaultCoverageModulation(fragBuilder, srcCoverage, dstColor,
outColor, |
291 outColorSecondary, proc); | 291 outColorSecondary, proc); |
292 } | 292 } |
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371 const GrFragmentProcessor* SkPixelXorXfermode::getFragmentProcessorForImageFilte
r( | 371 const GrFragmentProcessor* SkPixelXorXfermode::getFragmentProcessorForImageFilte
r( |
372 const GrFragmentProcesso
r* dst) const { | 372 const GrFragmentProcesso
r* dst) const { |
373 return PixelXorFP::Create(fOpColor, dst); | 373 return PixelXorFP::Create(fOpColor, dst); |
374 } | 374 } |
375 | 375 |
376 GrXPFactory* SkPixelXorXfermode::asXPFactory() const { | 376 GrXPFactory* SkPixelXorXfermode::asXPFactory() const { |
377 return GrPixelXorXPFactory::Create(fOpColor); | 377 return GrPixelXorXPFactory::Create(fOpColor); |
378 } | 378 } |
379 | 379 |
380 #endif | 380 #endif |
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