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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2014 Google Inc. | 3 * Copyright 2014 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 #include "effects/GrCoverageSetOpXP.h" | 9 #include "effects/GrCoverageSetOpXP.h" |
| 10 #include "GrCaps.h" | 10 #include "GrCaps.h" |
| 11 #include "GrColor.h" | 11 #include "GrColor.h" |
| 12 #include "GrProcessor.h" | 12 #include "GrProcessor.h" |
| 13 #include "GrProcOptInfo.h" | 13 #include "GrProcOptInfo.h" |
| 14 #include "gl/GrGLXferProcessor.h" | 14 #include "gl/GrGLXferProcessor.h" |
| 15 #include "gl/builders/GrGLFragmentShaderBuilder.h" | 15 #include "glsl/GrGLSLProgramBuilder.h" |
| 16 #include "gl/builders/GrGLProgramBuilder.h" | 16 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 17 | 17 |
| 18 class CoverageSetOpXP : public GrXferProcessor { | 18 class CoverageSetOpXP : public GrXferProcessor { |
| 19 public: | 19 public: |
| 20 static GrXferProcessor* Create(SkRegion::Op regionOp, bool invertCoverage) { | 20 static GrXferProcessor* Create(SkRegion::Op regionOp, bool invertCoverage) { |
| 21 return new CoverageSetOpXP(regionOp, invertCoverage); | 21 return new CoverageSetOpXP(regionOp, invertCoverage); |
| 22 } | 22 } |
| 23 | 23 |
| 24 ~CoverageSetOpXP() override; | 24 ~CoverageSetOpXP() override; |
| 25 | 25 |
| 26 const char* name() const override { return "Coverage Set Op"; } | 26 const char* name() const override { return "Coverage Set Op"; } |
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| 65 static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps, | 65 static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps, |
| 66 GrProcessorKeyBuilder* b) { | 66 GrProcessorKeyBuilder* b) { |
| 67 const CoverageSetOpXP& xp = processor.cast<CoverageSetOpXP>(); | 67 const CoverageSetOpXP& xp = processor.cast<CoverageSetOpXP>(); |
| 68 uint32_t key = xp.invertCoverage() ? 0x0 : 0x1; | 68 uint32_t key = xp.invertCoverage() ? 0x0 : 0x1; |
| 69 b->add32(key); | 69 b->add32(key); |
| 70 }; | 70 }; |
| 71 | 71 |
| 72 private: | 72 private: |
| 73 void emitOutputsForBlendState(const EmitArgs& args) override { | 73 void emitOutputsForBlendState(const EmitArgs& args) override { |
| 74 const CoverageSetOpXP& xp = args.fXP.cast<CoverageSetOpXP>(); | 74 const CoverageSetOpXP& xp = args.fXP.cast<CoverageSetOpXP>(); |
| 75 GrGLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); | 75 GrGLSLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(
); |
| 76 | 76 |
| 77 if (xp.invertCoverage()) { | 77 if (xp.invertCoverage()) { |
| 78 fsBuilder->codeAppendf("%s = 1.0 - %s;", args.fOutputPrimary, args.f
InputCoverage); | 78 fsBuilder->codeAppendf("%s = 1.0 - %s;", args.fOutputPrimary, args.f
InputCoverage); |
| 79 } else { | 79 } else { |
| 80 fsBuilder->codeAppendf("%s = %s;", args.fOutputPrimary, args.fInputC
overage); | 80 fsBuilder->codeAppendf("%s = %s;", args.fOutputPrimary, args.fInputC
overage); |
| 81 } | 81 } |
| 82 } | 82 } |
| 83 | 83 |
| 84 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {}; | 84 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {}; |
| 85 | 85 |
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| 244 } | 244 } |
| 245 | 245 |
| 246 GR_DEFINE_XP_FACTORY_TEST(GrCoverageSetOpXPFactory); | 246 GR_DEFINE_XP_FACTORY_TEST(GrCoverageSetOpXPFactory); |
| 247 | 247 |
| 248 const GrXPFactory* GrCoverageSetOpXPFactory::TestCreate(GrProcessorTestData* d)
{ | 248 const GrXPFactory* GrCoverageSetOpXPFactory::TestCreate(GrProcessorTestData* d)
{ |
| 249 SkRegion::Op regionOp = SkRegion::Op(d->fRandom->nextULessThan(SkRegion::kLa
stOp + 1)); | 249 SkRegion::Op regionOp = SkRegion::Op(d->fRandom->nextULessThan(SkRegion::kLa
stOp + 1)); |
| 250 bool invertCoverage = d->fRandom->nextBool(); | 250 bool invertCoverage = d->fRandom->nextBool(); |
| 251 return GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage); | 251 return GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage); |
| 252 } | 252 } |
| 253 | 253 |
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