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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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34 | 34 |
35 class PorterDuffXferProcessor : public GrXferProcessor { | 35 class PorterDuffXferProcessor : public GrXferProcessor { |
36 public: | 36 public: |
37 static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, | 37 static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, |
38 GrColor constant, const GrDeviceCoordTexture*
dstCopy, | 38 GrColor constant, const GrDeviceCoordTexture*
dstCopy, |
39 bool willReadDstColor) { | 39 bool willReadDstColor) { |
40 return SkNEW_ARGS(PorterDuffXferProcessor, (srcBlend, dstBlend, constant
, dstCopy, | 40 return SkNEW_ARGS(PorterDuffXferProcessor, (srcBlend, dstBlend, constant
, dstCopy, |
41 willReadDstColor)); | 41 willReadDstColor)); |
42 } | 42 } |
43 | 43 |
44 ~PorterDuffXferProcessor() SK_OVERRIDE; | 44 ~PorterDuffXferProcessor() override; |
45 | 45 |
46 const char* name() const SK_OVERRIDE { return "Porter Duff"; } | 46 const char* name() const override { return "Porter Duff"; } |
47 | 47 |
48 GrGLXferProcessor* createGLInstance() const SK_OVERRIDE; | 48 GrGLXferProcessor* createGLInstance() const override; |
49 | 49 |
50 bool hasSecondaryOutput() const SK_OVERRIDE; | 50 bool hasSecondaryOutput() const override; |
51 | 51 |
52 /////////////////////////////////////////////////////////////////////////// | 52 /////////////////////////////////////////////////////////////////////////// |
53 /// @name Stage Output Types | 53 /// @name Stage Output Types |
54 //// | 54 //// |
55 | 55 |
56 enum PrimaryOutputType { | 56 enum PrimaryOutputType { |
57 kNone_PrimaryOutputType, | 57 kNone_PrimaryOutputType, |
58 kColor_PrimaryOutputType, | 58 kColor_PrimaryOutputType, |
59 kCoverage_PrimaryOutputType, | 59 kCoverage_PrimaryOutputType, |
60 // Modulate color and coverage, write result as the color output. | 60 // Modulate color and coverage, write result as the color output. |
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81 kSecondaryOutputTypeCnt, | 81 kSecondaryOutputTypeCnt, |
82 }; | 82 }; |
83 | 83 |
84 PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } | 84 PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } |
85 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } | 85 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } |
86 | 86 |
87 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, | 87 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, |
88 const GrProcOptInfo& coveragePOI, | 88 const GrProcOptInfo& coveragePOI, |
89 bool doesStencilWrite, | 89 bool doesStencilWrite, |
90 GrColor* overrideColor, | 90 GrColor* overrideColor, |
91 const GrDrawTargetCaps& caps) SK_
OVERRIDE; | 91 const GrDrawTargetCaps& caps) ove
rride; |
92 | 92 |
93 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { | 93 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { |
94 if (!this->willReadDstColor()) { | 94 if (!this->willReadDstColor()) { |
95 blendInfo->fSrcBlend = fSrcBlend; | 95 blendInfo->fSrcBlend = fSrcBlend; |
96 blendInfo->fDstBlend = fDstBlend; | 96 blendInfo->fDstBlend = fDstBlend; |
97 } else { | 97 } else { |
98 blendInfo->fSrcBlend = kOne_GrBlendCoeff; | 98 blendInfo->fSrcBlend = kOne_GrBlendCoeff; |
99 blendInfo->fDstBlend = kZero_GrBlendCoeff; | 99 blendInfo->fDstBlend = kZero_GrBlendCoeff; |
100 } | 100 } |
101 blendInfo->fBlendConstant = fBlendConstant; | 101 blendInfo->fBlendConstant = fBlendConstant; |
102 } | 102 } |
103 | 103 |
104 GrBlendCoeff getSrcBlend() const { return fSrcBlend; } | 104 GrBlendCoeff getSrcBlend() const { return fSrcBlend; } |
105 GrBlendCoeff getDstBlend() const { return fDstBlend; } | 105 GrBlendCoeff getDstBlend() const { return fDstBlend; } |
106 | 106 |
107 private: | 107 private: |
108 PorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColo
r constant, | 108 PorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColo
r constant, |
109 const GrDeviceCoordTexture* dstCopy, bool willReadDs
tColor); | 109 const GrDeviceCoordTexture* dstCopy, bool willReadDs
tColor); |
110 | 110 |
111 void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) con
st SK_OVERRIDE; | 111 void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) con
st override; |
112 | 112 |
113 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { | 113 bool onIsEqual(const GrXferProcessor& xpBase) const override { |
114 const PorterDuffXferProcessor& xp = xpBase.cast<PorterDuffXferProcessor>
(); | 114 const PorterDuffXferProcessor& xp = xpBase.cast<PorterDuffXferProcessor>
(); |
115 if (fSrcBlend != xp.fSrcBlend || | 115 if (fSrcBlend != xp.fSrcBlend || |
116 fDstBlend != xp.fDstBlend || | 116 fDstBlend != xp.fDstBlend || |
117 fBlendConstant != xp.fBlendConstant || | 117 fBlendConstant != xp.fBlendConstant || |
118 fPrimaryOutputType != xp.fPrimaryOutputType || | 118 fPrimaryOutputType != xp.fPrimaryOutputType || |
119 fSecondaryOutputType != xp.fSecondaryOutputType) { | 119 fSecondaryOutputType != xp.fSecondaryOutputType) { |
120 return false; | 120 return false; |
121 } | 121 } |
122 return true; | 122 return true; |
123 } | 123 } |
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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 |
204 private: | 204 private: |
205 void onEmitCode(const EmitArgs& args) SK_OVERRIDE { | 205 void onEmitCode(const EmitArgs& args) override { |
206 const PorterDuffXferProcessor& xp = args.fXP.cast<PorterDuffXferProcesso
r>(); | 206 const PorterDuffXferProcessor& xp = args.fXP.cast<PorterDuffXferProcesso
r>(); |
207 GrGLFPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); | 207 GrGLFPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
208 if (PorterDuffXferProcessor::kCustom_PrimaryOutputType != xp.primaryOutp
utType()) { | 208 if (PorterDuffXferProcessor::kCustom_PrimaryOutputType != xp.primaryOutp
utType()) { |
209 SkASSERT(!xp.willReadDstColor()); | 209 SkASSERT(!xp.willReadDstColor()); |
210 switch(xp.secondaryOutputType()) { | 210 switch(xp.secondaryOutputType()) { |
211 case PorterDuffXferProcessor::kNone_SecondaryOutputType: | 211 case PorterDuffXferProcessor::kNone_SecondaryOutputType: |
212 break; | 212 break; |
213 case PorterDuffXferProcessor::kCoverage_SecondaryOutputType: | 213 case PorterDuffXferProcessor::kCoverage_SecondaryOutputType: |
214 fsBuilder->codeAppendf("%s = %s;", args.fOutputSecondary, | 214 fsBuilder->codeAppendf("%s = %s;", args.fOutputSecondary, |
215 args.fInputCoverage); | 215 args.fInputCoverage); |
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260 dstColor, args.fInputColor, | 260 dstColor, args.fInputColor, |
261 dstColor, didAppend)); | 261 dstColor, didAppend)); |
262 fsBuilder->codeAppend(";"); | 262 fsBuilder->codeAppend(";"); |
263 | 263 |
264 fsBuilder->codeAppendf("%s = %s * colorBlend + (vec4(1.0) - %s) * %s
;", | 264 fsBuilder->codeAppendf("%s = %s * colorBlend + (vec4(1.0) - %s) * %s
;", |
265 args.fOutputPrimary, args.fInputCoverage, arg
s.fInputCoverage, | 265 args.fOutputPrimary, args.fInputCoverage, arg
s.fInputCoverage, |
266 dstColor); | 266 dstColor); |
267 } | 267 } |
268 } | 268 } |
269 | 269 |
270 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) SK_OVE
RRIDE {}; | 270 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) overri
de {}; |
271 | 271 |
272 typedef GrGLXferProcessor INHERITED; | 272 typedef GrGLXferProcessor INHERITED; |
273 }; | 273 }; |
274 | 274 |
275 /////////////////////////////////////////////////////////////////////////////// | 275 /////////////////////////////////////////////////////////////////////////////// |
276 | 276 |
277 PorterDuffXferProcessor::PorterDuffXferProcessor(GrBlendCoeff srcBlend, | 277 PorterDuffXferProcessor::PorterDuffXferProcessor(GrBlendCoeff srcBlend, |
278 GrBlendCoeff dstBlend, | 278 GrBlendCoeff dstBlend, |
279 GrColor constant, | 279 GrColor constant, |
280 const GrDeviceCoordTexture* dst
Copy, | 280 const GrDeviceCoordTexture* dst
Copy, |
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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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