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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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290 | 290 |
291 /////////////////////////////////////////////////////////////////////////////// | 291 /////////////////////////////////////////////////////////////////////////////// |
292 | 292 |
293 #if SK_SUPPORT_GPU | 293 #if SK_SUPPORT_GPU |
294 | 294 |
295 #include "GrCoordTransform.h" | 295 #include "GrCoordTransform.h" |
296 #include "GrFragmentProcessor.h" | 296 #include "GrFragmentProcessor.h" |
297 #include "gl/GrGLProcessor.h" | 297 #include "gl/GrGLProcessor.h" |
298 | 298 |
299 class GrFragmentStage; | 299 class GrFragmentStage; |
300 class GrBackendProcessorFactory; | |
301 class GrInvariantOutput; | 300 class GrInvariantOutput; |
302 | 301 |
303 /* | 302 /* |
304 * The interpretation of the texture matrix depends on the sample mode. The | 303 * The interpretation of the texture matrix depends on the sample mode. The |
305 * texture matrix is applied both when the texture coordinates are explicit | 304 * texture matrix is applied both when the texture coordinates are explicit |
306 * and when vertex positions are used as texture coordinates. In the latter | 305 * and when vertex positions are used as texture coordinates. In the latter |
307 * case the texture matrix is applied to the pre-view-matrix position | 306 * case the texture matrix is applied to the pre-view-matrix position |
308 * values. | 307 * values. |
309 * | 308 * |
310 * Normal SampleMode | 309 * Normal SampleMode |
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390 // It is already baked into to the table for texture
gradients. | 389 // It is already baked into to the table for texture
gradients. |
391 typedef GrFragmentProcessor INHERITED; | 390 typedef GrFragmentProcessor INHERITED; |
392 | 391 |
393 }; | 392 }; |
394 | 393 |
395 /////////////////////////////////////////////////////////////////////////////// | 394 /////////////////////////////////////////////////////////////////////////////// |
396 | 395 |
397 // Base class for GL gradient effects | 396 // Base class for GL gradient effects |
398 class GrGLGradientEffect : public GrGLFragmentProcessor { | 397 class GrGLGradientEffect : public GrGLFragmentProcessor { |
399 public: | 398 public: |
400 GrGLGradientEffect(const GrBackendProcessorFactory& factory); | 399 GrGLGradientEffect(); |
401 virtual ~GrGLGradientEffect(); | 400 virtual ~GrGLGradientEffect(); |
402 | 401 |
403 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; | 402 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
404 | 403 |
405 protected: | 404 protected: |
406 /** | 405 /** |
407 * Subclasses must call this. It will return a key for the part of the shade
r code controlled | 406 * Subclasses must call this. It will return a key for the part of the shade
r code controlled |
408 * by the base class. The subclasses must stick it in their key and then pas
s it to the below | 407 * by the base class. The subclasses must stick it in their key and then pas
s it to the below |
409 * emit* functions from their emitCode function. | 408 * emit* functions from their emitCode function. |
410 */ | 409 */ |
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447 GrGLProgramDataManager::UniformHandle fColorStartUni; | 446 GrGLProgramDataManager::UniformHandle fColorStartUni; |
448 GrGLProgramDataManager::UniformHandle fColorMidUni; | 447 GrGLProgramDataManager::UniformHandle fColorMidUni; |
449 GrGLProgramDataManager::UniformHandle fColorEndUni; | 448 GrGLProgramDataManager::UniformHandle fColorEndUni; |
450 | 449 |
451 typedef GrGLFragmentProcessor INHERITED; | 450 typedef GrGLFragmentProcessor INHERITED; |
452 }; | 451 }; |
453 | 452 |
454 #endif | 453 #endif |
455 | 454 |
456 #endif | 455 #endif |
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