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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "SkTableColorFilter.h" | 8 #include "SkTableColorFilter.h" |
9 | 9 |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
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370 unsigned fFlags; | 370 unsigned fFlags; |
371 | 371 |
372 GrTextureStripAtlas* fAtlas; | 372 GrTextureStripAtlas* fAtlas; |
373 int fRow; | 373 int fRow; |
374 | 374 |
375 typedef GrFragmentProcessor INHERITED; | 375 typedef GrFragmentProcessor INHERITED; |
376 }; | 376 }; |
377 | 377 |
378 class GLColorTableEffect : public GrGLSLFragmentProcessor { | 378 class GLColorTableEffect : public GrGLSLFragmentProcessor { |
379 public: | 379 public: |
380 GLColorTableEffect(const GrProcessor&); | 380 void emitCode(EmitArgs&) override; |
381 | |
382 virtual void emitCode(EmitArgs&) override; | |
383 | 381 |
384 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil
der* b) {} | 382 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil
der* b) {} |
385 | 383 |
386 protected: | 384 protected: |
387 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override
; | 385 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override
; |
388 | 386 |
389 private: | 387 private: |
390 UniformHandle fRGBAYValuesUni; | 388 UniformHandle fRGBAYValuesUni; |
391 typedef GrGLSLFragmentProcessor INHERITED; | 389 typedef GrGLSLFragmentProcessor INHERITED; |
392 }; | 390 }; |
393 | 391 |
394 GLColorTableEffect::GLColorTableEffect(const GrProcessor&) { | |
395 } | |
396 | |
397 void GLColorTableEffect::onSetData(const GrGLSLProgramDataManager& pdm, const Gr
Processor& proc) { | 392 void GLColorTableEffect::onSetData(const GrGLSLProgramDataManager& pdm, const Gr
Processor& proc) { |
398 // The textures are organized in a strip where the rows are ordered a, r, g,
b. | 393 // The textures are organized in a strip where the rows are ordered a, r, g,
b. |
399 float rgbaYValues[4]; | 394 float rgbaYValues[4]; |
400 const ColorTableEffect& cte = proc.cast<ColorTableEffect>(); | 395 const ColorTableEffect& cte = proc.cast<ColorTableEffect>(); |
401 if (cte.atlas()) { | 396 if (cte.atlas()) { |
402 SkScalar yDelta = cte.atlas()->getNormalizedTexelHeight(); | 397 SkScalar yDelta = cte.atlas()->getNormalizedTexelHeight(); |
403 rgbaYValues[3] = cte.atlas()->getYOffset(cte.atlasRow()) + SK_ScalarHalf
* yDelta; | 398 rgbaYValues[3] = cte.atlas()->getYOffset(cte.atlasRow()) + SK_ScalarHalf
* yDelta; |
404 rgbaYValues[0] = rgbaYValues[3] + yDelta; | 399 rgbaYValues[0] = rgbaYValues[3] + yDelta; |
405 rgbaYValues[1] = rgbaYValues[0] + yDelta; | 400 rgbaYValues[1] = rgbaYValues[0] + yDelta; |
406 rgbaYValues[2] = rgbaYValues[1] + yDelta; | 401 rgbaYValues[2] = rgbaYValues[1] + yDelta; |
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500 fAtlas->unlockRow(fRow); | 495 fAtlas->unlockRow(fRow); |
501 } | 496 } |
502 } | 497 } |
503 | 498 |
504 void ColorTableEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, | 499 void ColorTableEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, |
505 GrProcessorKeyBuilder* b) const { | 500 GrProcessorKeyBuilder* b) const { |
506 GLColorTableEffect::GenKey(*this, caps, b); | 501 GLColorTableEffect::GenKey(*this, caps, b); |
507 } | 502 } |
508 | 503 |
509 GrGLSLFragmentProcessor* ColorTableEffect::onCreateGLSLInstance() const { | 504 GrGLSLFragmentProcessor* ColorTableEffect::onCreateGLSLInstance() const { |
510 return new GLColorTableEffect(*this); | 505 return new GLColorTableEffect; |
511 } | 506 } |
512 | 507 |
513 bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const { | 508 bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const { |
514 // For non-atlased instances, the texture (compared by base class) is suffic
ient to | 509 // For non-atlased instances, the texture (compared by base class) is suffic
ient to |
515 // differentiate different tables. For atlased instances we ensure they are
using the | 510 // differentiate different tables. For atlased instances we ensure they are
using the |
516 // same row. | 511 // same row. |
517 const ColorTableEffect& that = other.cast<ColorTableEffect>(); | 512 const ColorTableEffect& that = other.cast<ColorTableEffect>(); |
518 SkASSERT(SkToBool(fAtlas) == SkToBool(that.fAtlas)); | 513 SkASSERT(SkToBool(fAtlas) == SkToBool(that.fAtlas)); |
519 // Ok to always do this comparison since both would be -1 if non-atlased. | 514 // Ok to always do this comparison since both would be -1 if non-atlased. |
520 return fRow == that.fRow; | 515 return fRow == that.fRow; |
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598 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256], | 593 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256], |
599 const uint8_t tableR[256], | 594 const uint8_t tableR[256], |
600 const uint8_t tableG[256], | 595 const uint8_t tableG[256], |
601 const uint8_t tableB[256]) { | 596 const uint8_t tableB[256]) { |
602 return new SkTable_ColorFilter(tableA, tableR, tableG, tableB); | 597 return new SkTable_ColorFilter(tableA, tableR, tableG, tableB); |
603 } | 598 } |
604 | 599 |
605 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) | 600 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) |
606 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) | 601 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) |
607 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 602 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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