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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #ifndef SkGradientShaderPriv_DEFINED | 8 #ifndef SkGradientShaderPriv_DEFINED |
9 #define SkGradientShaderPriv_DEFINED | 9 #define SkGradientShaderPriv_DEFINED |
10 | 10 |
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369 }; | 369 }; |
370 | 370 |
371 /////////////////////////////////////////////////////////////////////////////// | 371 /////////////////////////////////////////////////////////////////////////////// |
372 | 372 |
373 // Base class for GL gradient effects | 373 // Base class for GL gradient effects |
374 class GrGLGradientEffect : public GrGLEffect { | 374 class GrGLGradientEffect : public GrGLEffect { |
375 public: | 375 public: |
376 GrGLGradientEffect(const GrBackendEffectFactory& factory); | 376 GrGLGradientEffect(const GrBackendEffectFactory& factory); |
377 virtual ~GrGLGradientEffect(); | 377 virtual ~GrGLGradientEffect(); |
378 | 378 |
379 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 379 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
380 | 380 |
381 protected: | 381 protected: |
382 /** | 382 /** |
383 * Subclasses must call this. It will return a key for the part of the shade
r code controlled | 383 * Subclasses must call this. It will return a key for the part of the shade
r code controlled |
384 * by the base class. The subclasses must stick it in their key and then pas
s it to the below | 384 * by the base class. The subclasses must stick it in their key and then pas
s it to the below |
385 * emit* functions from their emitCode function. | 385 * emit* functions from their emitCode function. |
386 */ | 386 */ |
387 static uint32_t GenBaseGradientKey(const GrDrawEffect&); | 387 static uint32_t GenBaseGradientKey(const GrDrawEffect&); |
388 | 388 |
389 // Emits the uniform used as the y-coord to texture samples in derived class
es. Subclasses | 389 // Emits the uniform used as the y-coord to texture samples in derived class
es. Subclasses |
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428 | 428 |
429 static GrGradientEffect::PremulType PremulTypeFromKey(uint32_t baseKey){ | 429 static GrGradientEffect::PremulType PremulTypeFromKey(uint32_t baseKey){ |
430 if (kPremulBeforeInterpKey == (baseKey & kPremulTypeMask)) { | 430 if (kPremulBeforeInterpKey == (baseKey & kPremulTypeMask)) { |
431 return GrGradientEffect::kBeforeInterp_PremulType; | 431 return GrGradientEffect::kBeforeInterp_PremulType; |
432 } else { | 432 } else { |
433 return GrGradientEffect::kAfterInterp_PremulType; | 433 return GrGradientEffect::kAfterInterp_PremulType; |
434 } | 434 } |
435 } | 435 } |
436 | 436 |
437 SkScalar fCachedYCoord; | 437 SkScalar fCachedYCoord; |
438 GrGLUniformManager::UniformHandle fFSYUni; | 438 GrGLProgramDataManager::UniformHandle fFSYUni; |
439 GrGLUniformManager::UniformHandle fColorStartUni; | 439 GrGLProgramDataManager::UniformHandle fColorStartUni; |
440 GrGLUniformManager::UniformHandle fColorMidUni; | 440 GrGLProgramDataManager::UniformHandle fColorMidUni; |
441 GrGLUniformManager::UniformHandle fColorEndUni; | 441 GrGLProgramDataManager::UniformHandle fColorEndUni; |
442 | 442 |
443 typedef GrGLEffect INHERITED; | 443 typedef GrGLEffect INHERITED; |
444 }; | 444 }; |
445 | 445 |
446 #endif | 446 #endif |
447 | 447 |
448 #endif | 448 #endif |
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