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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 "GrOvalEffect.h" | 8 #include "GrOvalEffect.h" |
| 9 | 9 |
| 10 #include "gl/GrGLEffect.h" | 10 #include "gl/GrGLEffect.h" |
| (...skipping 92 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 103 virtual void emitCode(GrGLShaderBuilder* builder, | 103 virtual void emitCode(GrGLShaderBuilder* builder, |
| 104 const GrDrawEffect& drawEffect, | 104 const GrDrawEffect& drawEffect, |
| 105 const GrEffectKey& key, | 105 const GrEffectKey& key, |
| 106 const char* outputColor, | 106 const char* outputColor, |
| 107 const char* inputColor, | 107 const char* inputColor, |
| 108 const TransformedCoordsArray&, | 108 const TransformedCoordsArray&, |
| 109 const TextureSamplerArray&) SK_OVERRIDE; | 109 const TextureSamplerArray&) SK_OVERRIDE; |
| 110 | 110 |
| 111 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); | 111 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); |
| 112 | 112 |
| 113 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 113 virtual void setData(const GrGLProgramResourceManager&, const GrDrawEffect&)
SK_OVERRIDE; |
| 114 | 114 |
| 115 private: | 115 private: |
| 116 GrGLUniformManager::UniformHandle fCircleUniform; | 116 GrGLProgramResourceManager::UniformHandle fCircleUniform; |
| 117 SkPoint fPrevCenter; | 117 SkPoint fPrevCenter; |
| 118 SkScalar fPrevRadius; | 118 SkScalar fPrevRadius; |
| 119 | 119 |
| 120 typedef GrGLEffect INHERITED; | 120 typedef GrGLEffect INHERITED; |
| 121 }; | 121 }; |
| 122 | 122 |
| 123 GLCircleEffect::GLCircleEffect(const GrBackendEffectFactory& factory, | 123 GLCircleEffect::GLCircleEffect(const GrBackendEffectFactory& factory, |
| 124 const GrDrawEffect& drawEffect) | 124 const GrDrawEffect& drawEffect) |
| 125 : INHERITED (factory) { | 125 : INHERITED (factory) { |
| 126 fPrevRadius = -1.f; | 126 fPrevRadius = -1.f; |
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| 160 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, | 160 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, |
| 161 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("d")).c_str())
; | 161 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("d")).c_str())
; |
| 162 } | 162 } |
| 163 | 163 |
| 164 void GLCircleEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, | 164 void GLCircleEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
| 165 GrEffectKeyBuilder* b) { | 165 GrEffectKeyBuilder* b) { |
| 166 const CircleEffect& ce = drawEffect.castEffect<CircleEffect>(); | 166 const CircleEffect& ce = drawEffect.castEffect<CircleEffect>(); |
| 167 b->add32(ce.getEdgeType()); | 167 b->add32(ce.getEdgeType()); |
| 168 } | 168 } |
| 169 | 169 |
| 170 void GLCircleEffect::setData(const GrGLUniformManager& uman, const GrDrawEffect&
drawEffect) { | 170 void GLCircleEffect::setData(const GrGLProgramResourceManager& prman, const GrDr
awEffect& drawEffect) { |
| 171 const CircleEffect& ce = drawEffect.castEffect<CircleEffect>(); | 171 const CircleEffect& ce = drawEffect.castEffect<CircleEffect>(); |
| 172 if (ce.getRadius() != fPrevRadius || ce.getCenter() != fPrevCenter) { | 172 if (ce.getRadius() != fPrevRadius || ce.getCenter() != fPrevCenter) { |
| 173 SkScalar radius = ce.getRadius(); | 173 SkScalar radius = ce.getRadius(); |
| 174 if (GrEffectEdgeTypeIsInverseFill(ce.getEdgeType())) { | 174 if (GrEffectEdgeTypeIsInverseFill(ce.getEdgeType())) { |
| 175 radius -= 0.5f; | 175 radius -= 0.5f; |
| 176 } else { | 176 } else { |
| 177 radius += 0.5f; | 177 radius += 0.5f; |
| 178 } | 178 } |
| 179 uman.set3f(fCircleUniform, ce.getCenter().fX, ce.getCenter().fY, radius)
; | 179 prman.set3f(fCircleUniform, ce.getCenter().fX, ce.getCenter().fY, radius
); |
| 180 fPrevCenter = ce.getCenter(); | 180 fPrevCenter = ce.getCenter(); |
| 181 fPrevRadius = ce.getRadius(); | 181 fPrevRadius = ce.getRadius(); |
| 182 } | 182 } |
| 183 } | 183 } |
| 184 | 184 |
| 185 ////////////////////////////////////////////////////////////////////////////// | 185 ////////////////////////////////////////////////////////////////////////////// |
| 186 | 186 |
| 187 class GLEllipseEffect; | 187 class GLEllipseEffect; |
| 188 | 188 |
| 189 class EllipseEffect : public GrEffect { | 189 class EllipseEffect : public GrEffect { |
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| 275 virtual void emitCode(GrGLShaderBuilder* builder, | 275 virtual void emitCode(GrGLShaderBuilder* builder, |
| 276 const GrDrawEffect& drawEffect, | 276 const GrDrawEffect& drawEffect, |
| 277 const GrEffectKey& key, | 277 const GrEffectKey& key, |
| 278 const char* outputColor, | 278 const char* outputColor, |
| 279 const char* inputColor, | 279 const char* inputColor, |
| 280 const TransformedCoordsArray&, | 280 const TransformedCoordsArray&, |
| 281 const TextureSamplerArray&) SK_OVERRIDE; | 281 const TextureSamplerArray&) SK_OVERRIDE; |
| 282 | 282 |
| 283 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); | 283 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); |
| 284 | 284 |
| 285 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 285 virtual void setData(const GrGLProgramResourceManager&, const GrDrawEffect&)
SK_OVERRIDE; |
| 286 | 286 |
| 287 private: | 287 private: |
| 288 GrGLUniformManager::UniformHandle fEllipseUniform; | 288 GrGLProgramResourceManager::UniformHandle fEllipseUniform; |
| 289 SkPoint fPrevCenter; | 289 SkPoint fPrevCenter; |
| 290 SkVector fPrevRadii; | 290 SkVector fPrevRadii; |
| 291 | 291 |
| 292 typedef GrGLEffect INHERITED; | 292 typedef GrGLEffect INHERITED; |
| 293 }; | 293 }; |
| 294 | 294 |
| 295 GLEllipseEffect::GLEllipseEffect(const GrBackendEffectFactory& factory, | 295 GLEllipseEffect::GLEllipseEffect(const GrBackendEffectFactory& factory, |
| 296 const GrDrawEffect& drawEffect) | 296 const GrDrawEffect& drawEffect) |
| 297 : INHERITED (factory) { | 297 : INHERITED (factory) { |
| 298 fPrevRadii.fX = -1.f; | 298 fPrevRadii.fX = -1.f; |
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| 345 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, | 345 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, |
| 346 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); | 346 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); |
| 347 } | 347 } |
| 348 | 348 |
| 349 void GLEllipseEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, | 349 void GLEllipseEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
| 350 GrEffectKeyBuilder* b) { | 350 GrEffectKeyBuilder* b) { |
| 351 const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>(); | 351 const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>(); |
| 352 b->add32(ee.getEdgeType()); | 352 b->add32(ee.getEdgeType()); |
| 353 } | 353 } |
| 354 | 354 |
| 355 void GLEllipseEffect::setData(const GrGLUniformManager& uman, const GrDrawEffect
& drawEffect) { | 355 void GLEllipseEffect::setData(const GrGLProgramResourceManager& prman, const GrD
rawEffect& drawEffect) { |
| 356 const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>(); | 356 const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>(); |
| 357 if (ee.getRadii() != fPrevRadii || ee.getCenter() != fPrevCenter) { | 357 if (ee.getRadii() != fPrevRadii || ee.getCenter() != fPrevCenter) { |
| 358 SkScalar invRXSqd = 1.f / (ee.getRadii().fX * ee.getRadii().fX); | 358 SkScalar invRXSqd = 1.f / (ee.getRadii().fX * ee.getRadii().fX); |
| 359 SkScalar invRYSqd = 1.f / (ee.getRadii().fY * ee.getRadii().fY); | 359 SkScalar invRYSqd = 1.f / (ee.getRadii().fY * ee.getRadii().fY); |
| 360 uman.set4f(fEllipseUniform, ee.getCenter().fX, ee.getCenter().fY, invRXS
qd, invRYSqd); | 360 prman.set4f(fEllipseUniform, ee.getCenter().fX, ee.getCenter().fY, invRX
Sqd, invRYSqd); |
| 361 fPrevCenter = ee.getCenter(); | 361 fPrevCenter = ee.getCenter(); |
| 362 fPrevRadii = ee.getRadii(); | 362 fPrevRadii = ee.getRadii(); |
| 363 } | 363 } |
| 364 } | 364 } |
| 365 | 365 |
| 366 ////////////////////////////////////////////////////////////////////////////// | 366 ////////////////////////////////////////////////////////////////////////////// |
| 367 | 367 |
| 368 GrEffect* GrOvalEffect::Create(GrEffectEdgeType edgeType, const SkRect& oval) { | 368 GrEffect* GrOvalEffect::Create(GrEffectEdgeType edgeType, const SkRect& oval) { |
| 369 if (kHairlineAA_GrEffectEdgeType == edgeType) { | 369 if (kHairlineAA_GrEffectEdgeType == edgeType) { |
| 370 return NULL; | 370 return NULL; |
| 371 } | 371 } |
| 372 SkScalar w = oval.width(); | 372 SkScalar w = oval.width(); |
| 373 SkScalar h = oval.height(); | 373 SkScalar h = oval.height(); |
| 374 if (SkScalarNearlyEqual(w, h)) { | 374 if (SkScalarNearlyEqual(w, h)) { |
| 375 w /= 2; | 375 w /= 2; |
| 376 return CircleEffect::Create(edgeType, SkPoint::Make(oval.fLeft + w, oval
.fTop + w), w); | 376 return CircleEffect::Create(edgeType, SkPoint::Make(oval.fLeft + w, oval
.fTop + w), w); |
| 377 } else { | 377 } else { |
| 378 w /= 2; | 378 w /= 2; |
| 379 h /= 2; | 379 h /= 2; |
| 380 return EllipseEffect::Create(edgeType, SkPoint::Make(oval.fLeft + w, ova
l.fTop + h), w, h); | 380 return EllipseEffect::Create(edgeType, SkPoint::Make(oval.fLeft + w, ova
l.fTop + h), w, h); |
| 381 } | 381 } |
| 382 | 382 |
| 383 return NULL; | 383 return NULL; |
| 384 } | 384 } |
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