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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 "SkImageFilter.h" | 8 #include "SkImageFilter.h" |
9 #include "SkImageFilterCacheKey.h" | 9 #include "SkImageFilterCacheKey.h" |
10 | 10 |
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386 } | 386 } |
387 | 387 |
388 // This is the only valid call to the old filterImage path | 388 // This is the only valid call to the old filterImage path |
389 if (!this->filterImageDeprecated(src->internal_getProxy(), srcBM, ctx, &resu
ltBM, offset)) { | 389 if (!this->filterImageDeprecated(src->internal_getProxy(), srcBM, ctx, &resu
ltBM, offset)) { |
390 return nullptr; | 390 return nullptr; |
391 } | 391 } |
392 | 392 |
393 return SkSpecialImage::internal_fromBM(src->internal_getProxy(), resultBM, &
src->props()); | 393 return SkSpecialImage::internal_fromBM(src->internal_getProxy(), resultBM, &
src->props()); |
394 } | 394 } |
395 | 395 |
396 bool SkImageFilter::canFilterImageGPU() const { | |
397 return this->asFragmentProcessor(nullptr, nullptr, SkMatrix::I(), SkIRect())
; | |
398 } | |
399 | |
400 bool SkImageFilter::filterImageGPUDeprecated(Proxy* proxy, const SkBitmap& src,
const Context& ctx, | |
401 SkBitmap* result, SkIPoint* offset)
const { | |
402 #if SK_SUPPORT_GPU | |
403 SkBitmap input = src; | |
404 SkASSERT(fInputCount == 1); | |
405 SkIPoint srcOffset = SkIPoint::Make(0, 0); | |
406 if (!this->filterInputGPUDeprecated(0, proxy, src, ctx, &input, &srcOffset))
{ | |
407 return false; | |
408 } | |
409 GrTexture* srcTexture = input.getTexture(); | |
410 SkIRect bounds; | |
411 if (!this->applyCropRectDeprecated(ctx, proxy, input, &srcOffset, &bounds, &
input)) { | |
412 return false; | |
413 } | |
414 GrContext* context = srcTexture->getContext(); | |
415 | |
416 GrSurfaceDesc desc; | |
417 desc.fFlags = kRenderTarget_GrSurfaceFlag; | |
418 desc.fWidth = bounds.width(); | |
419 desc.fHeight = bounds.height(); | |
420 desc.fConfig = kRGBA_8888_GrPixelConfig; | |
421 | |
422 SkAutoTUnref<GrTexture> dst(context->textureProvider()->createApproxTexture(
desc)); | |
423 if (!dst) { | |
424 return false; | |
425 } | |
426 | |
427 GrFragmentProcessor* fp; | |
428 offset->fX = bounds.left(); | |
429 offset->fY = bounds.top(); | |
430 bounds.offset(-srcOffset); | |
431 SkMatrix matrix(ctx.ctm()); | |
432 matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.to
p())); | |
433 GrPaint paint; | |
434 // SRGBTODO: Don't handle sRGB here, in anticipation of this code path being
deleted. | |
435 if (this->asFragmentProcessor(&fp, srcTexture, matrix, bounds)) { | |
436 SkASSERT(fp); | |
437 paint.addColorFragmentProcessor(fp)->unref(); | |
438 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); | |
439 | |
440 SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRend
erTarget())); | |
441 if (drawContext) { | |
442 SkRect srcRect = SkRect::Make(bounds); | |
443 SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height()); | |
444 GrClip clip(dstRect); | |
445 drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, src
Rect); | |
446 | |
447 GrWrapTextureInBitmap(dst, bounds.width(), bounds.height(), false, r
esult); | |
448 return true; | |
449 } | |
450 } | |
451 #endif | |
452 return false; | |
453 } | |
454 | |
455 #if SK_SUPPORT_GPU | 396 #if SK_SUPPORT_GPU |
456 sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context, | 397 sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context, |
457 sk_sp<GrFragmentProcessor> fp, | 398 sk_sp<GrFragmentProcessor> fp, |
458 const SkIRect& bounds, | 399 const SkIRect& bounds, |
459 SkImageFilter::Proxy* proxy) { | 400 SkImageFilter::Proxy* proxy) { |
460 GrPaint paint; | 401 GrPaint paint; |
461 paint.addColorFragmentProcessor(fp.get()); | 402 paint.addColorFragmentProcessor(fp.get()); |
462 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); | 403 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); |
463 | 404 |
464 GrSurfaceDesc desc; | 405 GrSurfaceDesc desc; |
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613 return src; | 554 return src; |
614 } | 555 } |
615 | 556 |
616 | 557 |
617 SkImageFilter::Context SkImageFilter::mapContext(const Context& ctx) const { | 558 SkImageFilter::Context SkImageFilter::mapContext(const Context& ctx) const { |
618 SkIRect clipBounds = this->onFilterNodeBounds(ctx.clipBounds(), ctx.ctm(), | 559 SkIRect clipBounds = this->onFilterNodeBounds(ctx.clipBounds(), ctx.ctm(), |
619 MapDirection::kReverse_MapDire
ction); | 560 MapDirection::kReverse_MapDire
ction); |
620 return Context(ctx.ctm(), clipBounds, ctx.cache()); | 561 return Context(ctx.ctm(), clipBounds, ctx.cache()); |
621 } | 562 } |
622 | 563 |
623 bool SkImageFilter::asFragmentProcessor(GrFragmentProcessor**, GrTexture*, | |
624 const SkMatrix&, const SkIRect&) const { | |
625 return false; | |
626 } | |
627 | |
628 sk_sp<SkImageFilter> SkImageFilter::MakeMatrixFilter(const SkMatrix& matrix, | 564 sk_sp<SkImageFilter> SkImageFilter::MakeMatrixFilter(const SkMatrix& matrix, |
629 SkFilterQuality filterQuali
ty, | 565 SkFilterQuality filterQuali
ty, |
630 sk_sp<SkImageFilter> input)
{ | 566 sk_sp<SkImageFilter> input)
{ |
631 return SkMatrixImageFilter::Make(matrix, filterQuality, std::move(input)); | 567 return SkMatrixImageFilter::Make(matrix, filterQuality, std::move(input)); |
632 } | 568 } |
633 | 569 |
634 sk_sp<SkImageFilter> SkImageFilter::makeWithLocalMatrix(const SkMatrix& matrix)
const { | 570 sk_sp<SkImageFilter> SkImageFilter::makeWithLocalMatrix(const SkMatrix& matrix)
const { |
635 // SkLocalMatrixImageFilter takes SkImage* in its factory, but logically tha
t parameter | 571 // SkLocalMatrixImageFilter takes SkImage* in its factory, but logically tha
t parameter |
636 // is *always* treated as a const ptr. Hence the const-cast here. | 572 // is *always* treated as a const ptr. Hence the const-cast here. |
637 // | 573 // |
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867 dev = SkBitmapDevice::Create(cinfo.fInfo, surfaceProps); | 803 dev = SkBitmapDevice::Create(cinfo.fInfo, surfaceProps); |
868 } | 804 } |
869 return dev; | 805 return dev; |
870 } | 806 } |
871 | 807 |
872 bool SkImageFilter::DeviceProxy::filterImage(const SkImageFilter* filter, const
SkBitmap& src, | 808 bool SkImageFilter::DeviceProxy::filterImage(const SkImageFilter* filter, const
SkBitmap& src, |
873 const SkImageFilter::Context& ctx, | 809 const SkImageFilter::Context& ctx, |
874 SkBitmap* result, SkIPoint* offset) { | 810 SkBitmap* result, SkIPoint* offset) { |
875 return fDevice->filterImage(filter, src, ctx, result, offset); | 811 return fDevice->filterImage(filter, src, ctx, result, offset); |
876 } | 812 } |
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