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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 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 #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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414 private: | 414 private: |
415 GrGLProgramDataManager::UniformHandle fMatrixHandle; | 415 GrGLProgramDataManager::UniformHandle fMatrixHandle; |
416 GrGLProgramDataManager::UniformHandle fVectorHandle; | 416 GrGLProgramDataManager::UniformHandle fVectorHandle; |
417 | 417 |
418 typedef GrGLFragmentProcessor INHERITED; | 418 typedef GrGLFragmentProcessor INHERITED; |
419 }; | 419 }; |
420 | 420 |
421 private: | 421 private: |
422 ColorMatrixEffect(const SkColorMatrix& matrix) : fMatrix(matrix) {} | 422 ColorMatrixEffect(const SkColorMatrix& matrix) : fMatrix(matrix) {} |
423 | 423 |
424 virtual bool onIsEqual(const GrProcessor& s) const { | 424 virtual bool onIsEqual(const GrFragmentProcessor& s) const { |
425 const ColorMatrixEffect& cme = s.cast<ColorMatrixEffect>(); | 425 const ColorMatrixEffect& cme = s.cast<ColorMatrixEffect>(); |
426 return cme.fMatrix == fMatrix; | 426 return cme.fMatrix == fMatrix; |
427 } | 427 } |
428 | 428 |
429 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE { | 429 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE { |
430 // We only bother to check whether the alpha channel will be constant. I
f SkColorMatrix had | 430 // We only bother to check whether the alpha channel will be constant. I
f SkColorMatrix had |
431 // type flags it might be worth checking the other components. | 431 // type flags it might be worth checking the other components. |
432 | 432 |
433 // The matrix is defined such the 4th row determines the output alpha. T
he first four | 433 // The matrix is defined such the 4th row determines the output alpha. T
he first four |
434 // columns of that row multiply the input r, g, b, and a, respectively,
and the last column | 434 // columns of that row multiply the input r, g, b, and a, respectively,
and the last column |
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501 str->append("matrix: ("); | 501 str->append("matrix: ("); |
502 for (int i = 0; i < 20; ++i) { | 502 for (int i = 0; i < 20; ++i) { |
503 str->appendScalar(fMatrix.fMat[i]); | 503 str->appendScalar(fMatrix.fMat[i]); |
504 if (i < 19) { | 504 if (i < 19) { |
505 str->append(", "); | 505 str->append(", "); |
506 } | 506 } |
507 } | 507 } |
508 str->append(")"); | 508 str->append(")"); |
509 } | 509 } |
510 #endif | 510 #endif |
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