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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 "GrConvexPolyEffect.h" | 8 #include "GrConvexPolyEffect.h" |
| 9 #include "GrInvariantOutput.h" | 9 #include "GrInvariantOutput.h" |
| 10 #include "SkPathPriv.h" | 10 #include "SkPathPriv.h" |
| 11 #include "glsl/GrGLSLFragmentProcessor.h" | 11 #include "glsl/GrGLSLFragmentProcessor.h" |
| 12 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 12 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 13 #include "glsl/GrGLSLProgramBuilder.h" | 13 #include "glsl/GrGLSLProgramBuilder.h" |
| 14 #include "glsl/GrGLSLProgramDataManager.h" | 14 #include "glsl/GrGLSLProgramDataManager.h" |
| 15 | 15 |
| 16 ////////////////////////////////////////////////////////////////////////////// | 16 ////////////////////////////////////////////////////////////////////////////// |
| 17 class AARectEffect : public GrFragmentProcessor { | 17 class AARectEffect : public GrFragmentProcessor { |
| 18 public: | 18 public: |
| 19 const SkRect& getRect() const { return fRect; } | 19 const SkRect& getRect() const { return fRect; } |
| 20 | 20 |
| 21 static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRec
t& rect) { | 21 static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRec
t& rect) { |
| 22 return new AARectEffect(edgeType, rect); | 22 return new AARectEffect(edgeType, rect); |
| 23 } | 23 } |
| 24 | 24 |
| 25 GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; } | 25 GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; } |
| 26 | 26 |
| 27 const char* name() const override { return "AARect"; } | 27 const char* name() const override { return "AARect"; } |
| 28 | 28 |
| 29 void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const ov
erride; | 29 void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const
override; |
| 30 | 30 |
| 31 private: | 31 private: |
| 32 AARectEffect(GrPrimitiveEdgeType edgeType, const SkRect& rect) | 32 AARectEffect(GrPrimitiveEdgeType edgeType, const SkRect& rect) |
| 33 : fRect(rect), fEdgeType(edgeType) { | 33 : fRect(rect), fEdgeType(edgeType) { |
| 34 this->initClassID<AARectEffect>(); | 34 this->initClassID<AARectEffect>(); |
| 35 this->setWillReadFragmentPosition(); | 35 this->setWillReadFragmentPosition(); |
| 36 } | 36 } |
| 37 | 37 |
| 38 GrGLSLFragmentProcessor* onCreateGLInstance() const override; | 38 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
| 39 | 39 |
| 40 bool onIsEqual(const GrFragmentProcessor& other) const override { | 40 bool onIsEqual(const GrFragmentProcessor& other) const override { |
| 41 const AARectEffect& aare = other.cast<AARectEffect>(); | 41 const AARectEffect& aare = other.cast<AARectEffect>(); |
| 42 return fRect == aare.fRect; | 42 return fRect == aare.fRect; |
| 43 } | 43 } |
| 44 | 44 |
| 45 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { | 45 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { |
| 46 if (fRect.isEmpty()) { | 46 if (fRect.isEmpty()) { |
| 47 // An empty rect will have no coverage anywhere. | 47 // An empty rect will have no coverage anywhere. |
| 48 inout->mulByKnownSingleComponent(0); | 48 inout->mulByKnownSingleComponent(0); |
| (...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 149 fPrevRect = rect; | 149 fPrevRect = rect; |
| 150 } | 150 } |
| 151 } | 151 } |
| 152 | 152 |
| 153 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, | 153 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, |
| 154 GrProcessorKeyBuilder* b) { | 154 GrProcessorKeyBuilder* b) { |
| 155 const AARectEffect& aare = processor.cast<AARectEffect>(); | 155 const AARectEffect& aare = processor.cast<AARectEffect>(); |
| 156 b->add32(aare.getEdgeType()); | 156 b->add32(aare.getEdgeType()); |
| 157 } | 157 } |
| 158 | 158 |
| 159 void AARectEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBui
lder* b) const { | 159 void AARectEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyB
uilder* b) const { |
| 160 GLAARectEffect::GenKey(*this, caps, b); | 160 GLAARectEffect::GenKey(*this, caps, b); |
| 161 } | 161 } |
| 162 | 162 |
| 163 GrGLSLFragmentProcessor* AARectEffect::onCreateGLInstance() const { | 163 GrGLSLFragmentProcessor* AARectEffect::onCreateGLSLInstance() const { |
| 164 return new GLAARectEffect(*this); | 164 return new GLAARectEffect(*this); |
| 165 } | 165 } |
| 166 | 166 |
| 167 ////////////////////////////////////////////////////////////////////////////// | 167 ////////////////////////////////////////////////////////////////////////////// |
| 168 | 168 |
| 169 class GrGLConvexPolyEffect : public GrGLSLFragmentProcessor { | 169 class GrGLConvexPolyEffect : public GrGLSLFragmentProcessor { |
| 170 public: | 170 public: |
| 171 GrGLConvexPolyEffect(const GrProcessor&); | 171 GrGLConvexPolyEffect(const GrProcessor&); |
| 172 | 172 |
| 173 virtual void emitCode(EmitArgs&) override; | 173 virtual void emitCode(EmitArgs&) override; |
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| 296 } | 296 } |
| 297 return AARectEffect::Create(edgeType, rect); | 297 return AARectEffect::Create(edgeType, rect); |
| 298 } | 298 } |
| 299 | 299 |
| 300 GrConvexPolyEffect::~GrConvexPolyEffect() {} | 300 GrConvexPolyEffect::~GrConvexPolyEffect() {} |
| 301 | 301 |
| 302 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) cons
t { | 302 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) cons
t { |
| 303 inout->mulByUnknownSingleComponent(); | 303 inout->mulByUnknownSingleComponent(); |
| 304 } | 304 } |
| 305 | 305 |
| 306 void GrConvexPolyEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, | 306 void GrConvexPolyEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, |
| 307 GrProcessorKeyBuilder* b) const { | 307 GrProcessorKeyBuilder* b) const { |
| 308 GrGLConvexPolyEffect::GenKey(*this, caps, b); | 308 GrGLConvexPolyEffect::GenKey(*this, caps, b); |
| 309 } | 309 } |
| 310 | 310 |
| 311 GrGLSLFragmentProcessor* GrConvexPolyEffect::onCreateGLInstance() const { | 311 GrGLSLFragmentProcessor* GrConvexPolyEffect::onCreateGLSLInstance() const { |
| 312 return new GrGLConvexPolyEffect(*this); | 312 return new GrGLConvexPolyEffect(*this); |
| 313 } | 313 } |
| 314 | 314 |
| 315 GrConvexPolyEffect::GrConvexPolyEffect(GrPrimitiveEdgeType edgeType, int n, cons
t SkScalar edges[]) | 315 GrConvexPolyEffect::GrConvexPolyEffect(GrPrimitiveEdgeType edgeType, int n, cons
t SkScalar edges[]) |
| 316 : fEdgeType(edgeType) | 316 : fEdgeType(edgeType) |
| 317 , fEdgeCount(n) { | 317 , fEdgeCount(n) { |
| 318 this->initClassID<GrConvexPolyEffect>(); | 318 this->initClassID<GrConvexPolyEffect>(); |
| 319 // Factory function should have already ensured this. | 319 // Factory function should have already ensured this. |
| 320 SkASSERT(n <= kMaxEdges); | 320 SkASSERT(n <= kMaxEdges); |
| 321 memcpy(fEdges, edges, 3 * n * sizeof(SkScalar)); | 321 memcpy(fEdges, edges, 3 * n * sizeof(SkScalar)); |
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| 346 } | 346 } |
| 347 | 347 |
| 348 GrFragmentProcessor* fp; | 348 GrFragmentProcessor* fp; |
| 349 do { | 349 do { |
| 350 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 350 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
| 351 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); | 351 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 352 fp = GrConvexPolyEffect::Create(edgeType, count, edges); | 352 fp = GrConvexPolyEffect::Create(edgeType, count, edges); |
| 353 } while (nullptr == fp); | 353 } while (nullptr == fp); |
| 354 return fp; | 354 return fp; |
| 355 } | 355 } |
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