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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkDisplacementMapEffect.h" | 8 #include "SkDisplacementMapEffect.h" |
9 #include "SkReadBuffer.h" | 9 #include "SkReadBuffer.h" |
10 #include "SkWriteBuffer.h" | 10 #include "SkWriteBuffer.h" |
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437 } | 437 } |
438 | 438 |
439 SkVector scale = SkVector::Make(fScale, fScale); | 439 SkVector scale = SkVector::Make(fScale, fScale); |
440 ctx.ctm().mapVectors(&scale, 1); | 440 ctx.ctm().mapVectors(&scale, 1); |
441 | 441 |
442 GrPaint paint; | 442 GrPaint paint; |
443 SkMatrix offsetMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(displacem
ent); | 443 SkMatrix offsetMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(displacem
ent); |
444 offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset.
fX), | 444 offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset.
fX), |
445 SkIntToScalar(colorOffset.fY - displacementOffset.
fY)); | 445 SkIntToScalar(colorOffset.fY - displacementOffset.
fY)); |
446 | 446 |
447 paint.addColorFragmentProcessor( | 447 paint.addColorProcessor( |
448 GrDisplacementMapEffect::Create(paint.getProcessorDataManager(), | 448 GrDisplacementMapEffect::Create(paint.getProcessorDataManager(), |
449 fXChannelSelector, | 449 fXChannelSelector, |
450 fYChannelSelector, | 450 fYChannelSelector, |
451 scale, | 451 scale, |
452 displacement, | 452 displacement, |
453 offsetMatrix, | 453 offsetMatrix, |
454 color, | 454 color, |
455 colorBM.dimensions()))->unref(); | 455 colorBM.dimensions()))->unref(); |
456 SkIRect colorBounds = bounds; | 456 SkIRect colorBounds = bounds; |
457 colorBounds.offset(-colorOffset); | 457 colorBounds.offset(-colorOffset); |
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639 const GrGLSLCaps&, GrProcessorKeyBuilder*
b) { | 639 const GrGLSLCaps&, GrProcessorKeyBuilder*
b) { |
640 const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMap
Effect>(); | 640 const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMap
Effect>(); |
641 | 641 |
642 uint32_t xKey = displacementMap.xChannelSelector(); | 642 uint32_t xKey = displacementMap.xChannelSelector(); |
643 uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBit
s; | 643 uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBit
s; |
644 | 644 |
645 b->add32(xKey | yKey); | 645 b->add32(xKey | yKey); |
646 } | 646 } |
647 #endif | 647 #endif |
648 | 648 |
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