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1 /* | 1 /* |
2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 The Android Open Source Project |
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 "SkMorphologyImageFilter.h" | 8 #include "SkMorphologyImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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541 morphType, bounds, direction); | 541 morphType, bounds, direction); |
542 apply_morphology_rect_no_bounds(drawContext, clip, texture, middleSrcRec
t, middleDstRect, | 542 apply_morphology_rect_no_bounds(drawContext, clip, texture, middleSrcRec
t, middleDstRect, |
543 radius, morphType, direction); | 543 radius, morphType, direction); |
544 } | 544 } |
545 } | 545 } |
546 | 546 |
547 bool apply_morphology(const SkBitmap& input, | 547 bool apply_morphology(const SkBitmap& input, |
548 const SkIRect& rect, | 548 const SkIRect& rect, |
549 GrMorphologyEffect::MorphologyType morphType, | 549 GrMorphologyEffect::MorphologyType morphType, |
550 SkISize radius, | 550 SkISize radius, |
551 SkBitmap* dst, | 551 SkBitmap* dst) { |
552 GrTextureProvider::SizeConstraint constraint) { | |
553 SkAutoTUnref<GrTexture> srcTexture(SkRef(input.getTexture())); | 552 SkAutoTUnref<GrTexture> srcTexture(SkRef(input.getTexture())); |
554 SkASSERT(srcTexture); | 553 SkASSERT(srcTexture); |
555 GrContext* context = srcTexture->getContext(); | 554 GrContext* context = srcTexture->getContext(); |
556 | 555 |
557 // setup new clip | 556 // setup new clip |
558 GrClip clip(SkRect::MakeWH(SkIntToScalar(srcTexture->width()), | 557 GrClip clip(SkRect::MakeWH(SkIntToScalar(srcTexture->width()), |
559 SkIntToScalar(srcTexture->height()))); | 558 SkIntToScalar(srcTexture->height()))); |
560 | 559 |
561 SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); | 560 SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); |
562 GrSurfaceDesc desc; | 561 GrSurfaceDesc desc; |
563 desc.fFlags = kRenderTarget_GrSurfaceFlag; | 562 desc.fFlags = kRenderTarget_GrSurfaceFlag; |
564 desc.fWidth = rect.width(); | 563 desc.fWidth = rect.width(); |
565 desc.fHeight = rect.height(); | 564 desc.fHeight = rect.height(); |
566 desc.fConfig = kSkia8888_GrPixelConfig; | 565 desc.fConfig = kSkia8888_GrPixelConfig; |
567 SkIRect srcRect = rect; | 566 SkIRect srcRect = rect; |
568 | 567 |
569 if (radius.fWidth > 0) { | 568 if (radius.fWidth > 0) { |
570 GrTextureProvider::SizeConstraint horiConstraint = constraint; | 569 GrTexture* scratch = context->textureProvider()->createApproxTexture(des
c); |
571 if (radius.fHeight > 0) { | |
572 // Optimization: we will fall through and allocate the "real" textur
e after this one | |
573 // so ours can be approximate (likely faster to allocate) | |
574 horiConstraint = GrTextureProvider::kApprox_SizeConstraint; | |
575 } | |
576 | |
577 GrTexture* scratch = context->textureProvider()->createTexture(desc, hor
iConstraint); | |
578 if (nullptr == scratch) { | 570 if (nullptr == scratch) { |
579 return false; | 571 return false; |
580 } | 572 } |
581 SkAutoTUnref<GrDrawContext> dstDrawContext( | 573 SkAutoTUnref<GrDrawContext> dstDrawContext( |
582 context->drawContext(scratch->as
RenderTarget())); | 574 context->drawContext(scratch->as
RenderTarget())); |
583 if (!dstDrawContext) { | 575 if (!dstDrawContext) { |
584 return false; | 576 return false; |
585 } | 577 } |
586 | 578 |
587 apply_morphology_pass(dstDrawContext, clip, srcTexture, | 579 apply_morphology_pass(dstDrawContext, clip, srcTexture, |
588 srcRect, dstRect, radius.fWidth, morphType, | 580 srcRect, dstRect, radius.fWidth, morphType, |
589 Gr1DKernelEffect::kX_Direction); | 581 Gr1DKernelEffect::kX_Direction); |
590 SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, | 582 SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, |
591 dstRect.width(), radius.fHeight); | 583 dstRect.width(), radius.fHeight); |
592 GrColor clearColor = GrMorphologyEffect::kErode_MorphologyType == morphT
ype ? | 584 GrColor clearColor = GrMorphologyEffect::kErode_MorphologyType == morphT
ype ? |
593 SK_ColorWHITE : | 585 SK_ColorWHITE : |
594 SK_ColorTRANSPARENT; | 586 SK_ColorTRANSPARENT; |
595 dstDrawContext->clear(&clearRect, clearColor, false); | 587 dstDrawContext->clear(&clearRect, clearColor, false); |
596 | 588 |
597 srcTexture.reset(scratch); | 589 srcTexture.reset(scratch); |
598 srcRect = dstRect; | 590 srcRect = dstRect; |
599 } | 591 } |
600 if (radius.fHeight > 0) { | 592 if (radius.fHeight > 0) { |
601 GrTexture* scratch = context->textureProvider()->createTexture(desc, con
straint); | 593 GrTexture* scratch = context->textureProvider()->createApproxTexture(des
c); |
602 if (nullptr == scratch) { | 594 if (nullptr == scratch) { |
603 return false; | 595 return false; |
604 } | 596 } |
605 SkAutoTUnref<GrDrawContext> dstDrawContext( | 597 SkAutoTUnref<GrDrawContext> dstDrawContext( |
606 context->drawContext(scratch->as
RenderTarget())); | 598 context->drawContext(scratch->as
RenderTarget())); |
607 if (!dstDrawContext) { | 599 if (!dstDrawContext) { |
608 return false; | 600 return false; |
609 } | 601 } |
610 | 602 |
611 apply_morphology_pass(dstDrawContext, clip, srcTexture, | 603 apply_morphology_pass(dstDrawContext, clip, srcTexture, |
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649 srcBounds.offset(-srcOffset); | 641 srcBounds.offset(-srcOffset); |
650 if (width == 0 && height == 0) { | 642 if (width == 0 && height == 0) { |
651 input.extractSubset(result, srcBounds); | 643 input.extractSubset(result, srcBounds); |
652 offset->fX = bounds.left(); | 644 offset->fX = bounds.left(); |
653 offset->fY = bounds.top(); | 645 offset->fY = bounds.top(); |
654 return true; | 646 return true; |
655 } | 647 } |
656 | 648 |
657 GrMorphologyEffect::MorphologyType type = dilate ? GrMorphologyEffect::kDila
te_MorphologyType | 649 GrMorphologyEffect::MorphologyType type = dilate ? GrMorphologyEffect::kDila
te_MorphologyType |
658 : GrMorphologyEffect::kErod
e_MorphologyType; | 650 : GrMorphologyEffect::kErod
e_MorphologyType; |
659 if (!apply_morphology(input, srcBounds, type, SkISize::Make(width, height),
result, | 651 if (!apply_morphology(input, srcBounds, type, SkISize::Make(width, height),
result)) { |
660 GrTextureProvider::FromImageFilter(ctx.sizeConstraint(
)))) { | |
661 return false; | 652 return false; |
662 } | 653 } |
663 offset->fX = bounds.left(); | 654 offset->fX = bounds.left(); |
664 offset->fY = bounds.top(); | 655 offset->fY = bounds.top(); |
665 return true; | 656 return true; |
666 } | 657 } |
667 | 658 |
668 bool SkDilateImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, cons
t Context& ctx, | 659 bool SkDilateImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, cons
t Context& ctx, |
669 SkBitmap* result, SkIPoint* offset) con
st { | 660 SkBitmap* result, SkIPoint* offset) con
st { |
670 return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); | 661 return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); |
671 } | 662 } |
672 | 663 |
673 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
Context& ctx, | 664 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
Context& ctx, |
674 SkBitmap* result, SkIPoint* offset) cons
t { | 665 SkBitmap* result, SkIPoint* offset) cons
t { |
675 return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); | 666 return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); |
676 } | 667 } |
677 | 668 |
678 #endif | 669 #endif |
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