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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 "effects/GrPorterDuffXferProcessor.h" | 8 #include "effects/GrPorterDuffXferProcessor.h" |
9 | 9 |
10 #include "GrBlend.h" | 10 #include "GrBlend.h" |
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90 GrColor* overrideColor, | 90 GrColor* overrideColor, |
91 const GrDrawTargetCaps& caps) ove
rride; | 91 const GrDrawTargetCaps& caps) ove
rride; |
92 | 92 |
93 GrBlendCoeff getSrcBlend() const { return fSrcBlend; } | 93 GrBlendCoeff getSrcBlend() const { return fSrcBlend; } |
94 GrBlendCoeff getDstBlend() const { return fDstBlend; } | 94 GrBlendCoeff getDstBlend() const { return fDstBlend; } |
95 | 95 |
96 private: | 96 private: |
97 PorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColo
r constant, | 97 PorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColo
r constant, |
98 const GrDeviceCoordTexture* dstCopy, bool willReadDs
tColor); | 98 const GrDeviceCoordTexture* dstCopy, bool willReadDs
tColor); |
99 | 99 |
100 void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) con
st override; | 100 void onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) c
onst override; |
101 | 101 |
102 void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { | 102 void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { |
103 if (!this->willReadDstColor()) { | 103 if (!this->willReadDstColor()) { |
104 blendInfo->fSrcBlend = fSrcBlend; | 104 blendInfo->fSrcBlend = fSrcBlend; |
105 blendInfo->fDstBlend = fDstBlend; | 105 blendInfo->fDstBlend = fDstBlend; |
106 } else { | 106 } else { |
107 blendInfo->fSrcBlend = kOne_GrBlendCoeff; | 107 blendInfo->fSrcBlend = kOne_GrBlendCoeff; |
108 blendInfo->fDstBlend = kZero_GrBlendCoeff; | 108 blendInfo->fDstBlend = kZero_GrBlendCoeff; |
109 } | 109 } |
110 blendInfo->fBlendConstant = fBlendConstant; | 110 blendInfo->fBlendConstant = fBlendConstant; |
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183 return true; | 183 return true; |
184 } | 184 } |
185 } | 185 } |
186 | 186 |
187 class GLPorterDuffXferProcessor : public GrGLXferProcessor { | 187 class GLPorterDuffXferProcessor : public GrGLXferProcessor { |
188 public: | 188 public: |
189 GLPorterDuffXferProcessor(const GrProcessor&) {} | 189 GLPorterDuffXferProcessor(const GrProcessor&) {} |
190 | 190 |
191 virtual ~GLPorterDuffXferProcessor() {} | 191 virtual ~GLPorterDuffXferProcessor() {} |
192 | 192 |
193 static void GenKey(const GrProcessor& processor, const GrGLCaps& caps, | 193 static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps, |
194 GrProcessorKeyBuilder* b) { | 194 GrProcessorKeyBuilder* b) { |
195 const PorterDuffXferProcessor& xp = processor.cast<PorterDuffXferProcess
or>(); | 195 const PorterDuffXferProcessor& xp = processor.cast<PorterDuffXferProcess
or>(); |
196 b->add32(xp.primaryOutputType()); | 196 b->add32(xp.primaryOutputType()); |
197 b->add32(xp.secondaryOutputType()); | 197 b->add32(xp.secondaryOutputType()); |
198 if (xp.willReadDstColor()) { | 198 if (xp.willReadDstColor()) { |
199 b->add32(xp.getSrcBlend()); | 199 b->add32(xp.getSrcBlend()); |
200 b->add32(xp.getDstBlend()); | 200 b->add32(xp.getDstBlend()); |
201 } | 201 } |
202 }; | 202 }; |
203 | 203 |
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284 , fDstBlend(dstBlend) | 284 , fDstBlend(dstBlend) |
285 , fBlendConstant(constant) | 285 , fBlendConstant(constant) |
286 , fPrimaryOutputType(kModulate_PrimaryOutputType) | 286 , fPrimaryOutputType(kModulate_PrimaryOutputType) |
287 , fSecondaryOutputType(kNone_SecondaryOutputType) { | 287 , fSecondaryOutputType(kNone_SecondaryOutputType) { |
288 this->initClassID<PorterDuffXferProcessor>(); | 288 this->initClassID<PorterDuffXferProcessor>(); |
289 } | 289 } |
290 | 290 |
291 PorterDuffXferProcessor::~PorterDuffXferProcessor() { | 291 PorterDuffXferProcessor::~PorterDuffXferProcessor() { |
292 } | 292 } |
293 | 293 |
294 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLCaps& caps, | 294 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps& caps, |
295 GrProcessorKeyBuilder* b) cons
t { | 295 GrProcessorKeyBuilder* b) cons
t { |
296 GLPorterDuffXferProcessor::GenKey(*this, caps, b); | 296 GLPorterDuffXferProcessor::GenKey(*this, caps, b); |
297 } | 297 } |
298 | 298 |
299 GrGLXferProcessor* PorterDuffXferProcessor::createGLInstance() const { | 299 GrGLXferProcessor* PorterDuffXferProcessor::createGLInstance() const { |
300 return SkNEW_ARGS(GLPorterDuffXferProcessor, (*this)); | 300 return SkNEW_ARGS(GLPorterDuffXferProcessor, (*this)); |
301 } | 301 } |
302 | 302 |
303 GrXferProcessor::OptFlags | 303 GrXferProcessor::OptFlags |
304 PorterDuffXferProcessor::getOptimizations(const GrProcOptInfo& colorPOI, | 304 PorterDuffXferProcessor::getOptimizations(const GrProcOptInfo& colorPOI, |
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700 GR_DEFINE_XP_FACTORY_TEST(GrPorterDuffXPFactory); | 700 GR_DEFINE_XP_FACTORY_TEST(GrPorterDuffXPFactory); |
701 | 701 |
702 GrXPFactory* GrPorterDuffXPFactory::TestCreate(SkRandom* random, | 702 GrXPFactory* GrPorterDuffXPFactory::TestCreate(SkRandom* random, |
703 GrContext*, | 703 GrContext*, |
704 const GrDrawTargetCaps&, | 704 const GrDrawTargetCaps&, |
705 GrTexture*[]) { | 705 GrTexture*[]) { |
706 SkXfermode::Mode mode = SkXfermode::Mode(random->nextULessThan(SkXfermode::k
LastCoeffMode)); | 706 SkXfermode::Mode mode = SkXfermode::Mode(random->nextULessThan(SkXfermode::k
LastCoeffMode)); |
707 return GrPorterDuffXPFactory::Create(mode); | 707 return GrPorterDuffXPFactory::Create(mode); |
708 } | 708 } |
709 | 709 |
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