| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/gpu/GrImageTextureMaker.h" |
| |
| #include "src/gpu/GrColorSpaceXform.h" |
| #include "src/gpu/GrContextPriv.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/SkGr.h" |
| #include "src/gpu/effects/GrYUVtoRGBEffect.h" |
| #include "src/image/SkImage_GpuYUVA.h" |
| #include "src/image/SkImage_Lazy.h" |
| |
| static GrImageInfo get_image_info(GrRecordingContext* context, const SkImage* client) { |
| SkASSERT(client->isLazyGenerated()); |
| const SkImage_Lazy* lazyImage = static_cast<const SkImage_Lazy*>(client); |
| |
| GrColorType ct = lazyImage->colorTypeOfLockTextureProxy(context->priv().caps()); |
| |
| return {ct, client->alphaType(), client->refColorSpace(), client->dimensions()}; |
| } |
| |
| GrImageTextureMaker::GrImageTextureMaker(GrRecordingContext* context, const SkImage* client, |
| SkImage::CachingHint chint, bool useDecal) |
| : INHERITED(context, get_image_info(context, client), useDecal) |
| , fImage(static_cast<const SkImage_Lazy*>(client)) |
| , fCachingHint(chint) { |
| SkASSERT(client->isLazyGenerated()); |
| GrMakeKeyFromImageID(&fOriginalKey, client->uniqueID(), SkIRect::MakeSize(this->dimensions())); |
| } |
| |
| GrSurfaceProxyView GrImageTextureMaker::refOriginalTextureProxyView(GrMipMapped mipMapped) { |
| return fImage->lockTextureProxyView(this->context(), fOriginalKey, fCachingHint, mipMapped); |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| GrYUVAImageTextureMaker::GrYUVAImageTextureMaker(GrContext* context, const SkImage* client, |
| bool useDecal) |
| : INHERITED(context, client->imageInfo(), useDecal) |
| , fImage(static_cast<const SkImage_GpuYUVA*>(client)) { |
| SkASSERT(as_IB(client)->isYUVA()); |
| GrMakeKeyFromImageID(&fOriginalKey, client->uniqueID(), SkIRect::MakeSize(this->dimensions())); |
| } |
| |
| GrSurfaceProxyView GrYUVAImageTextureMaker::refOriginalTextureProxyView(GrMipMapped mipMapped) { |
| if (mipMapped == GrMipMapped::kYes) { |
| return fImage->refMippedView(this->context()); |
| } else { |
| if (const GrSurfaceProxyView* view = fImage->view(this->context())) { |
| return *view; |
| } else { |
| return {}; |
| } |
| } |
| } |
| |
| std::unique_ptr<GrFragmentProcessor> GrYUVAImageTextureMaker::createFragmentProcessor( |
| const SkMatrix& textureMatrix, |
| const SkRect& constraintRect, |
| FilterConstraint filterConstraint, |
| bool coordsLimitedToConstraintRect, |
| const GrSamplerState::Filter* filterOrNullForBicubic) { |
| |
| // Check simple cases to see if we need to fall back to flattening the image (or whether it's |
| // already been flattened.) |
| if (!filterOrNullForBicubic || this->domainNeedsDecal() || fImage->fRGBView.proxy()) { |
| return this->INHERITED::createFragmentProcessor(textureMatrix, constraintRect, |
| filterConstraint, |
| coordsLimitedToConstraintRect, |
| filterOrNullForBicubic); |
| } |
| |
| // Check to see if the client has given us pre-mipped textures or we can generate them |
| // If not, fall back to bilerp. Also fall back to bilerp when a domain is requested |
| GrSamplerState::Filter filter = *filterOrNullForBicubic; |
| if (GrSamplerState::Filter::kMipMap == filter && |
| (filterConstraint == GrTextureProducer::kYes_FilterConstraint || |
| !fImage->setupMipmapsForPlanes(this->context()))) { |
| filter = GrSamplerState::Filter::kBilerp; |
| } |
| |
| // Cannot rely on GrTextureProducer's domain infrastructure since we need to calculate domain's |
| // per plane, which may be different, so respect the filterConstraint without any additional |
| // analysis. |
| const SkRect* domain = nullptr; |
| if (filterConstraint == GrTextureProducer::kYes_FilterConstraint) { |
| domain = &constraintRect; |
| } |
| |
| const auto& caps = *fImage->context()->priv().caps(); |
| auto fp = GrYUVtoRGBEffect::Make(fImage->fViews, fImage->fYUVAIndices, fImage->fYUVColorSpace, |
| filter, caps, textureMatrix, domain); |
| if (fImage->fFromColorSpace) { |
| fp = GrColorSpaceXformEffect::Make(std::move(fp), fImage->fFromColorSpace.get(), |
| fImage->alphaType(), fImage->colorSpace()); |
| } |
| return fp; |
| } |