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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/GrGLContext.h" | 11 #include "gl/GrGLContext.h" |
12 #include "gl/GrGLFragmentProcessor.h" | 12 #include "gl/GrGLFragmentProcessor.h" |
13 #include "gl/builders/GrGLProgramBuilder.h" | 13 #include "gl/builders/GrGLProgramBuilder.h" |
| 14 #include "glsl/GrGLSLProgramDataManager.h" |
14 | 15 |
15 ////////////////////////////////////////////////////////////////////////////// | 16 ////////////////////////////////////////////////////////////////////////////// |
16 class AARectEffect : public GrFragmentProcessor { | 17 class AARectEffect : public GrFragmentProcessor { |
17 public: | 18 public: |
18 const SkRect& getRect() const { return fRect; } | 19 const SkRect& getRect() const { return fRect; } |
19 | 20 |
20 static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRec
t& rect) { | 21 static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRec
t& rect) { |
21 return new AARectEffect(edgeType, rect); | 22 return new AARectEffect(edgeType, rect); |
22 } | 23 } |
23 | 24 |
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80 | 81 |
81 class GLAARectEffect : public GrGLFragmentProcessor { | 82 class GLAARectEffect : public GrGLFragmentProcessor { |
82 public: | 83 public: |
83 GLAARectEffect(const GrProcessor&); | 84 GLAARectEffect(const GrProcessor&); |
84 | 85 |
85 virtual void emitCode(EmitArgs&) override; | 86 virtual void emitCode(EmitArgs&) override; |
86 | 87 |
87 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor
KeyBuilder*); | 88 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor
KeyBuilder*); |
88 | 89 |
89 protected: | 90 protected: |
90 void onSetData(const GrGLProgramDataManager&, const GrProcessor&) override; | 91 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override
; |
91 | 92 |
92 private: | 93 private: |
93 GrGLProgramDataManager::UniformHandle fRectUniform; | 94 GrGLSLProgramDataManager::UniformHandle fRectUniform; |
94 SkRect fPrevRect; | 95 SkRect fPrevRect; |
95 typedef GrGLFragmentProcessor INHERITED; | 96 typedef GrGLFragmentProcessor INHERITED; |
96 }; | 97 }; |
97 | 98 |
98 GLAARectEffect::GLAARectEffect(const GrProcessor& effect) { | 99 GLAARectEffect::GLAARectEffect(const GrProcessor& effect) { |
99 fPrevRect.fLeft = SK_ScalarNaN; | 100 fPrevRect.fLeft = SK_ScalarNaN; |
100 } | 101 } |
101 | 102 |
102 void GLAARectEffect::emitCode(EmitArgs& args) { | 103 void GLAARectEffect::emitCode(EmitArgs& args) { |
103 const AARectEffect& aare = args.fFp.cast<AARectEffect>(); | 104 const AARectEffect& aare = args.fFp.cast<AARectEffect>(); |
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131 fsBuilder->codeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n
", rectName, fragmentPos); | 132 fsBuilder->codeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n
", rectName, fragmentPos); |
132 } | 133 } |
133 | 134 |
134 if (GrProcessorEdgeTypeIsInverseFill(aare.getEdgeType())) { | 135 if (GrProcessorEdgeTypeIsInverseFill(aare.getEdgeType())) { |
135 fsBuilder->codeAppend("\t\talpha = 1.0 - alpha;\n"); | 136 fsBuilder->codeAppend("\t\talpha = 1.0 - alpha;\n"); |
136 } | 137 } |
137 fsBuilder->codeAppendf("\t\t%s = %s;\n", args.fOutputColor, | 138 fsBuilder->codeAppendf("\t\t%s = %s;\n", args.fOutputColor, |
138 (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")
).c_str()); | 139 (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")
).c_str()); |
139 } | 140 } |
140 | 141 |
141 void GLAARectEffect::onSetData(const GrGLProgramDataManager& pdman, const GrProc
essor& processor) { | 142 void GLAARectEffect::onSetData(const GrGLSLProgramDataManager& pdman, |
| 143 const GrProcessor& processor) { |
142 const AARectEffect& aare = processor.cast<AARectEffect>(); | 144 const AARectEffect& aare = processor.cast<AARectEffect>(); |
143 const SkRect& rect = aare.getRect(); | 145 const SkRect& rect = aare.getRect(); |
144 if (rect != fPrevRect) { | 146 if (rect != fPrevRect) { |
145 pdman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f, | 147 pdman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f, |
146 rect.fRight - 0.5f, rect.fBottom - 0.5f); | 148 rect.fRight - 0.5f, rect.fBottom - 0.5f); |
147 fPrevRect = rect; | 149 fPrevRect = rect; |
148 } | 150 } |
149 } | 151 } |
150 | 152 |
151 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, | 153 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, |
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166 | 168 |
167 class GrGLConvexPolyEffect : public GrGLFragmentProcessor { | 169 class GrGLConvexPolyEffect : public GrGLFragmentProcessor { |
168 public: | 170 public: |
169 GrGLConvexPolyEffect(const GrProcessor&); | 171 GrGLConvexPolyEffect(const GrProcessor&); |
170 | 172 |
171 virtual void emitCode(EmitArgs&) override; | 173 virtual void emitCode(EmitArgs&) override; |
172 | 174 |
173 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor
KeyBuilder*); | 175 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor
KeyBuilder*); |
174 | 176 |
175 protected: | 177 protected: |
176 void onSetData(const GrGLProgramDataManager&, const GrProcessor&) override; | 178 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override
; |
177 | 179 |
178 private: | 180 private: |
179 GrGLProgramDataManager::UniformHandle fEdgeUniform; | 181 GrGLSLProgramDataManager::UniformHandle fEdgeUniform; |
180 SkScalar fPrevEdges[3 * GrConvexPolyEffect::kMa
xEdges]; | 182 SkScalar fPrevEdges[3 * GrConvexPolyEffect::kMa
xEdges]; |
181 typedef GrGLFragmentProcessor INHERITED; | 183 typedef GrGLFragmentProcessor INHERITED; |
182 }; | 184 }; |
183 | 185 |
184 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrProcessor&) { | 186 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrProcessor&) { |
185 fPrevEdges[0] = SK_ScalarNaN; | 187 fPrevEdges[0] = SK_ScalarNaN; |
186 } | 188 } |
187 | 189 |
188 void GrGLConvexPolyEffect::emitCode(EmitArgs& args) { | 190 void GrGLConvexPolyEffect::emitCode(EmitArgs& args) { |
189 const GrConvexPolyEffect& cpe = args.fFp.cast<GrConvexPolyEffect>(); | 191 const GrConvexPolyEffect& cpe = args.fFp.cast<GrConvexPolyEffect>(); |
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215 fsBuilder->codeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n
"); | 217 fsBuilder->codeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n
"); |
216 } | 218 } |
217 | 219 |
218 if (GrProcessorEdgeTypeIsInverseFill(cpe.getEdgeType())) { | 220 if (GrProcessorEdgeTypeIsInverseFill(cpe.getEdgeType())) { |
219 fsBuilder->codeAppend("\talpha = 1.0 - alpha;\n"); | 221 fsBuilder->codeAppend("\talpha = 1.0 - alpha;\n"); |
220 } | 222 } |
221 fsBuilder->codeAppendf("\t%s = %s;\n", args.fOutputColor, | 223 fsBuilder->codeAppendf("\t%s = %s;\n", args.fOutputColor, |
222 (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")
).c_str()); | 224 (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")
).c_str()); |
223 } | 225 } |
224 | 226 |
225 void GrGLConvexPolyEffect::onSetData(const GrGLProgramDataManager& pdman, const
GrProcessor& effect) { | 227 void GrGLConvexPolyEffect::onSetData(const GrGLSLProgramDataManager& pdman, |
| 228 const GrProcessor& effect) { |
226 const GrConvexPolyEffect& cpe = effect.cast<GrConvexPolyEffect>(); | 229 const GrConvexPolyEffect& cpe = effect.cast<GrConvexPolyEffect>(); |
227 size_t byteSize = 3 * cpe.getEdgeCount() * sizeof(SkScalar); | 230 size_t byteSize = 3 * cpe.getEdgeCount() * sizeof(SkScalar); |
228 if (0 != memcmp(fPrevEdges, cpe.getEdges(), byteSize)) { | 231 if (0 != memcmp(fPrevEdges, cpe.getEdges(), byteSize)) { |
229 pdman.set3fv(fEdgeUniform, cpe.getEdgeCount(), cpe.getEdges()); | 232 pdman.set3fv(fEdgeUniform, cpe.getEdgeCount(), cpe.getEdges()); |
230 memcpy(fPrevEdges, cpe.getEdges(), byteSize); | 233 memcpy(fPrevEdges, cpe.getEdges(), byteSize); |
231 } | 234 } |
232 } | 235 } |
233 | 236 |
234 void GrGLConvexPolyEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps
&, | 237 void GrGLConvexPolyEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps
&, |
235 GrProcessorKeyBuilder* b) { | 238 GrProcessorKeyBuilder* b) { |
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348 } | 351 } |
349 | 352 |
350 GrFragmentProcessor* fp; | 353 GrFragmentProcessor* fp; |
351 do { | 354 do { |
352 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 355 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
353 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); | 356 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
354 fp = GrConvexPolyEffect::Create(edgeType, count, edges); | 357 fp = GrConvexPolyEffect::Create(edgeType, count, edges); |
355 } while (nullptr == fp); | 358 } while (nullptr == fp); |
356 return fp; | 359 return fp; |
357 } | 360 } |
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