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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 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 "SkTwoPointRadialGradient.h" | 9 #include "SkTwoPointRadialGradient.h" |
| 10 | 10 |
| (...skipping 388 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 399 | 399 |
| 400 GrGLRadial2Gradient(const GrProcessor&); | 400 GrGLRadial2Gradient(const GrProcessor&); |
| 401 virtual ~GrGLRadial2Gradient() { } | 401 virtual ~GrGLRadial2Gradient() { } |
| 402 | 402 |
| 403 virtual void emitCode(GrGLFPBuilder*, | 403 virtual void emitCode(GrGLFPBuilder*, |
| 404 const GrFragmentProcessor&, | 404 const GrFragmentProcessor&, |
| 405 const char* outputColor, | 405 const char* outputColor, |
| 406 const char* inputColor, | 406 const char* inputColor, |
| 407 const TransformedCoordsArray&, | 407 const TransformedCoordsArray&, |
| 408 const TextureSamplerArray&) SK_OVERRIDE; | 408 const TextureSamplerArray&) SK_OVERRIDE; |
| 409 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 409 void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; |
| 410 | 410 |
| 411 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); | 411 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
| 412 | 412 |
| 413 protected: | 413 protected: |
| 414 | 414 |
| 415 UniformHandle fParamUni; | 415 UniformHandle fParamUni; |
| 416 | 416 |
| 417 const char* fVSVaryingName; | 417 const char* fVSVaryingName; |
| 418 const char* fFSVaryingName; | 418 const char* fFSVaryingName; |
| 419 | 419 |
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| 440 public: | 440 public: |
| 441 static GrFragmentProcessor* Create(GrContext* ctx, | 441 static GrFragmentProcessor* Create(GrContext* ctx, |
| 442 const SkTwoPointRadialGradient& shader, | 442 const SkTwoPointRadialGradient& shader, |
| 443 const SkMatrix& matrix, | 443 const SkMatrix& matrix, |
| 444 SkShader::TileMode tm) { | 444 SkShader::TileMode tm) { |
| 445 return SkNEW_ARGS(GrRadial2Gradient, (ctx, shader, matrix, tm)); | 445 return SkNEW_ARGS(GrRadial2Gradient, (ctx, shader, matrix, tm)); |
| 446 } | 446 } |
| 447 | 447 |
| 448 virtual ~GrRadial2Gradient() { } | 448 virtual ~GrRadial2Gradient() { } |
| 449 | 449 |
| 450 virtual const char* name() const SK_OVERRIDE { return "Two-Point Radial Grad
ient"; } | 450 const char* name() const SK_OVERRIDE { return "Two-Point Radial Gradient"; } |
| 451 | 451 |
| 452 virtual void getGLProcessorKey(const GrGLCaps& caps, | 452 virtual void getGLProcessorKey(const GrGLCaps& caps, |
| 453 GrProcessorKeyBuilder* b) const SK_OVERRIDE { | 453 GrProcessorKeyBuilder* b) const SK_OVERRIDE { |
| 454 GrGLRadial2Gradient::GenKey(*this, caps, b); | 454 GrGLRadial2Gradient::GenKey(*this, caps, b); |
| 455 } | 455 } |
| 456 | 456 |
| 457 virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE { | 457 GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE { |
| 458 return SkNEW_ARGS(GrGLRadial2Gradient, (*this)); | 458 return SkNEW_ARGS(GrGLRadial2Gradient, (*this)); |
| 459 } | 459 } |
| 460 | 460 |
| 461 // The radial gradient parameters can collapse to a linear (instead of quadr
atic) equation. | 461 // The radial gradient parameters can collapse to a linear (instead of quadr
atic) equation. |
| 462 bool isDegenerate() const { return SK_Scalar1 == fCenterX1; } | 462 bool isDegenerate() const { return SK_Scalar1 == fCenterX1; } |
| 463 SkScalar center() const { return fCenterX1; } | 463 SkScalar center() const { return fCenterX1; } |
| 464 SkScalar radius() const { return fRadius0; } | 464 SkScalar radius() const { return fRadius0; } |
| 465 bool isPosRoot() const { return SkToBool(fPosRoot); } | 465 bool isPosRoot() const { return SkToBool(fPosRoot); } |
| 466 | 466 |
| 467 private: | 467 private: |
| 468 virtual bool onIsEqual(const GrFragmentProcessor& sBase) const SK_OVERRIDE { | 468 bool onIsEqual(const GrFragmentProcessor& sBase) const SK_OVERRIDE { |
| 469 const GrRadial2Gradient& s = sBase.cast<GrRadial2Gradient>(); | 469 const GrRadial2Gradient& s = sBase.cast<GrRadial2Gradient>(); |
| 470 return (INHERITED::onIsEqual(sBase) && | 470 return (INHERITED::onIsEqual(sBase) && |
| 471 this->fCenterX1 == s.fCenterX1 && | 471 this->fCenterX1 == s.fCenterX1 && |
| 472 this->fRadius0 == s.fRadius0 && | 472 this->fRadius0 == s.fRadius0 && |
| 473 this->fPosRoot == s.fPosRoot); | 473 this->fPosRoot == s.fPosRoot); |
| 474 } | 474 } |
| 475 | 475 |
| 476 GrRadial2Gradient(GrContext* ctx, | 476 GrRadial2Gradient(GrContext* ctx, |
| 477 const SkTwoPointRadialGradient& shader, | 477 const SkTwoPointRadialGradient& shader, |
| 478 const SkMatrix& matrix, | 478 const SkMatrix& matrix, |
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| 715 #else | 715 #else |
| 716 | 716 |
| 717 bool SkTwoPointRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, c
onst SkMatrix&, | 717 bool SkTwoPointRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, c
onst SkMatrix&, |
| 718 const SkMatrix*, | 718 const SkMatrix*, |
| 719 GrColor*, GrFragmentProcessor
**) const { | 719 GrColor*, GrFragmentProcessor
**) const { |
| 720 SkDEBUGFAIL("Should not call in GPU-less build"); | 720 SkDEBUGFAIL("Should not call in GPU-less build"); |
| 721 return false; | 721 return false; |
| 722 } | 722 } |
| 723 | 723 |
| 724 #endif | 724 #endif |
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