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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 "gl/GrGLFragmentProcessor.h" | 11 #include "gl/GrGLFragmentProcessor.h" |
12 #include "gl/builders/GrGLProgramBuilder.h" | 12 #include "gl/builders/GrGLProgramBuilder.h" |
13 | 13 |
14 ////////////////////////////////////////////////////////////////////////////// | 14 ////////////////////////////////////////////////////////////////////////////// |
15 class AARectEffect : public GrFragmentProcessor { | 15 class AARectEffect : public GrFragmentProcessor { |
16 public: | 16 public: |
17 const SkRect& getRect() const { return fRect; } | 17 const SkRect& getRect() const { return fRect; } |
18 | 18 |
19 static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRec
t& rect) { | 19 static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRec
t& rect) { |
20 return SkNEW_ARGS(AARectEffect, (edgeType, rect)); | 20 return SkNEW_ARGS(AARectEffect, (edgeType, rect)); |
21 } | 21 } |
22 | 22 |
23 GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; } | 23 GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; } |
24 | 24 |
25 const char* name() const override { return "AARect"; } | 25 const char* name() const override { return "AARect"; } |
26 | 26 |
27 void getGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const over
ride; | 27 void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const ov
erride; |
28 | 28 |
29 GrGLFragmentProcessor* createGLInstance() const override; | 29 GrGLFragmentProcessor* createGLInstance() 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 |
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145 fPrevRect = rect; | 145 fPrevRect = rect; |
146 } | 146 } |
147 } | 147 } |
148 | 148 |
149 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, | 149 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, |
150 GrProcessorKeyBuilder* b) { | 150 GrProcessorKeyBuilder* b) { |
151 const AARectEffect& aare = processor.cast<AARectEffect>(); | 151 const AARectEffect& aare = processor.cast<AARectEffect>(); |
152 b->add32(aare.getEdgeType()); | 152 b->add32(aare.getEdgeType()); |
153 } | 153 } |
154 | 154 |
155 void AARectEffect::getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuild
er* b) const { | 155 void AARectEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBui
lder* b) const { |
156 GLAARectEffect::GenKey(*this, caps, b); | 156 GLAARectEffect::GenKey(*this, caps, b); |
157 } | 157 } |
158 | 158 |
159 GrGLFragmentProcessor* AARectEffect::createGLInstance() const { | 159 GrGLFragmentProcessor* AARectEffect::createGLInstance() const { |
160 return SkNEW_ARGS(GLAARectEffect, (*this)); | 160 return SkNEW_ARGS(GLAARectEffect, (*this)); |
161 } | 161 } |
162 | 162 |
163 ////////////////////////////////////////////////////////////////////////////// | 163 ////////////////////////////////////////////////////////////////////////////// |
164 | 164 |
165 class GrGLConvexPolyEffect : public GrGLFragmentProcessor { | 165 class GrGLConvexPolyEffect : public GrGLFragmentProcessor { |
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295 } | 295 } |
296 return AARectEffect::Create(edgeType, rect); | 296 return AARectEffect::Create(edgeType, rect); |
297 } | 297 } |
298 | 298 |
299 GrConvexPolyEffect::~GrConvexPolyEffect() {} | 299 GrConvexPolyEffect::~GrConvexPolyEffect() {} |
300 | 300 |
301 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) cons
t { | 301 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) cons
t { |
302 inout->mulByUnknownSingleComponent(); | 302 inout->mulByUnknownSingleComponent(); |
303 } | 303 } |
304 | 304 |
305 void GrConvexPolyEffect::getGLProcessorKey(const GrGLSLCaps& caps, | 305 void GrConvexPolyEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, |
306 GrProcessorKeyBuilder* b) const { | 306 GrProcessorKeyBuilder* b) const { |
307 GrGLConvexPolyEffect::GenKey(*this, caps, b); | 307 GrGLConvexPolyEffect::GenKey(*this, caps, b); |
308 } | 308 } |
309 | 309 |
310 GrGLFragmentProcessor* GrConvexPolyEffect::createGLInstance() const { | 310 GrGLFragmentProcessor* GrConvexPolyEffect::createGLInstance() const { |
311 return SkNEW_ARGS(GrGLConvexPolyEffect, (*this)); | 311 return SkNEW_ARGS(GrGLConvexPolyEffect, (*this)); |
312 } | 312 } |
313 | 313 |
314 GrConvexPolyEffect::GrConvexPolyEffect(GrPrimitiveEdgeType edgeType, int n, cons
t SkScalar edges[]) | 314 GrConvexPolyEffect::GrConvexPolyEffect(GrPrimitiveEdgeType edgeType, int n, cons
t SkScalar edges[]) |
315 : fEdgeType(edgeType) | 315 : fEdgeType(edgeType) |
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345 } | 345 } |
346 | 346 |
347 GrFragmentProcessor* fp; | 347 GrFragmentProcessor* fp; |
348 do { | 348 do { |
349 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 349 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
350 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); | 350 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
351 fp = GrConvexPolyEffect::Create(edgeType, count, edges); | 351 fp = GrConvexPolyEffect::Create(edgeType, count, edges); |
352 } while (NULL == fp); | 352 } while (NULL == fp); |
353 return fp; | 353 return fp; |
354 } | 354 } |
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