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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkColorMatrixFilter.h" | 8 #include "SkColorMatrixFilter.h" |
9 #include "SkColorMatrix.h" | 9 #include "SkColorMatrix.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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387 #include "gl/builders/GrGLProgramBuilder.h" | 387 #include "gl/builders/GrGLProgramBuilder.h" |
388 | 388 |
389 class ColorMatrixEffect : public GrFragmentProcessor { | 389 class ColorMatrixEffect : public GrFragmentProcessor { |
390 public: | 390 public: |
391 static GrFragmentProcessor* Create(const SkColorMatrix& matrix) { | 391 static GrFragmentProcessor* Create(const SkColorMatrix& matrix) { |
392 return SkNEW_ARGS(ColorMatrixEffect, (matrix)); | 392 return SkNEW_ARGS(ColorMatrixEffect, (matrix)); |
393 } | 393 } |
394 | 394 |
395 const char* name() const override { return "Color Matrix"; } | 395 const char* name() const override { return "Color Matrix"; } |
396 | 396 |
397 virtual void getGLProcessorKey(const GrGLSLCaps& caps, | |
398 GrProcessorKeyBuilder* b) const override { | |
399 GLProcessor::GenKey(*this, caps, b); | |
400 } | |
401 | |
402 GrGLFragmentProcessor* createGLInstance() const override { | 397 GrGLFragmentProcessor* createGLInstance() const override { |
403 return SkNEW_ARGS(GLProcessor, (*this)); | 398 return SkNEW_ARGS(GLProcessor, (*this)); |
404 } | 399 } |
405 | 400 |
406 | 401 |
407 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 402 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
408 | 403 |
409 class GLProcessor : public GrGLFragmentProcessor { | 404 class GLProcessor : public GrGLFragmentProcessor { |
410 public: | 405 public: |
411 // this class always generates the same code. | 406 // this class always generates the same code. |
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464 GrGLProgramDataManager::UniformHandle fVectorHandle; | 459 GrGLProgramDataManager::UniformHandle fVectorHandle; |
465 | 460 |
466 typedef GrGLFragmentProcessor INHERITED; | 461 typedef GrGLFragmentProcessor INHERITED; |
467 }; | 462 }; |
468 | 463 |
469 private: | 464 private: |
470 ColorMatrixEffect(const SkColorMatrix& matrix) : fMatrix(matrix) { | 465 ColorMatrixEffect(const SkColorMatrix& matrix) : fMatrix(matrix) { |
471 this->initClassID<ColorMatrixEffect>(); | 466 this->initClassID<ColorMatrixEffect>(); |
472 } | 467 } |
473 | 468 |
| 469 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, |
| 470 GrProcessorKeyBuilder* b) const override { |
| 471 GLProcessor::GenKey(*this, caps, b); |
| 472 } |
| 473 |
474 bool onIsEqual(const GrFragmentProcessor& s) const override { | 474 bool onIsEqual(const GrFragmentProcessor& s) const override { |
475 const ColorMatrixEffect& cme = s.cast<ColorMatrixEffect>(); | 475 const ColorMatrixEffect& cme = s.cast<ColorMatrixEffect>(); |
476 return cme.fMatrix == fMatrix; | 476 return cme.fMatrix == fMatrix; |
477 } | 477 } |
478 | 478 |
479 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { | 479 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { |
480 // We only bother to check whether the alpha channel will be constant. I
f SkColorMatrix had | 480 // We only bother to check whether the alpha channel will be constant. I
f SkColorMatrix had |
481 // type flags it might be worth checking the other components. | 481 // type flags it might be worth checking the other components. |
482 | 482 |
483 // The matrix is defined such the 4th row determines the output alpha. T
he first four | 483 // The matrix is defined such the 4th row determines the output alpha. T
he first four |
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560 str->append("matrix: ("); | 560 str->append("matrix: ("); |
561 for (int i = 0; i < 20; ++i) { | 561 for (int i = 0; i < 20; ++i) { |
562 str->appendScalar(fMatrix.fMat[i]); | 562 str->appendScalar(fMatrix.fMat[i]); |
563 if (i < 19) { | 563 if (i < 19) { |
564 str->append(", "); | 564 str->append(", "); |
565 } | 565 } |
566 } | 566 } |
567 str->append(")"); | 567 str->append(")"); |
568 } | 568 } |
569 #endif | 569 #endif |
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