| /* |
| * 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/GrBicubicEffect.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, |
| GrImageTexGenPolicy texGenPolicy) |
| : INHERITED(context, get_image_info(context, client)) |
| , fImage(static_cast<const SkImage_Lazy*>(client)) |
| , fTexGenPolicy(texGenPolicy) { |
| SkASSERT(client->isLazyGenerated()); |
| } |
| |
| GrSurfaceProxyView GrImageTextureMaker::refOriginalTextureProxyView(GrMipmapped mipMapped) { |
| return fImage->lockTextureProxyView(this->context(), fTexGenPolicy, mipMapped); |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| GrYUVAImageTextureMaker::GrYUVAImageTextureMaker(GrRecordingContext* context, const SkImage* client) |
| : INHERITED(context, client->imageInfo()) |
| , fImage(static_cast<const SkImage_GpuYUVA*>(client)) { |
| SkASSERT(as_IB(client)->isYUVA()); |
| } |
| |
| 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* subset, |
| const SkRect* domain, |
| GrSamplerState samplerState) { |
| // Check whether it's already been flattened. |
| if (fImage->fRGBView.proxy()) { |
| return this->INHERITED::createFragmentProcessor(textureMatrix, subset, domain, |
| samplerState); |
| } |
| |
| // Check to see if the client has given us pre-mipped textures or we can generate them |
| // If not disable mip mapping. Also disable when a subset is requested. |
| if (samplerState.mipmapped() == GrMipmapped::kYes && |
| (subset || !fImage->setupMipmapsForPlanes(this->context()))) { |
| samplerState.setMipmapMode(GrSamplerState::MipmapMode::kNone); |
| } |
| |
| const auto& caps = *fImage->context()->priv().caps(); |
| auto fp = GrYUVtoRGBEffect::Make(fImage->fViews, fImage->fYUVAIndices, fImage->fYUVColorSpace, |
| samplerState, caps, textureMatrix, subset, domain); |
| if (fImage->fFromColorSpace) { |
| fp = GrColorSpaceXformEffect::Make(std::move(fp), fImage->fFromColorSpace.get(), |
| fImage->alphaType(), fImage->colorSpace(), |
| kPremul_SkAlphaType); |
| } |
| return fp; |
| } |
| |
| std::unique_ptr<GrFragmentProcessor> GrYUVAImageTextureMaker::createBicubicFragmentProcessor( |
| const SkMatrix& textureMatrix, |
| const SkRect* subset, |
| const SkRect* domain, |
| GrSamplerState::WrapMode wrapX, |
| GrSamplerState::WrapMode wrapY) { |
| const auto& caps = *fImage->context()->priv().caps(); |
| GrSamplerState samplerState(wrapX, wrapY, GrSamplerState::Filter::kNearest); |
| auto fp = GrYUVtoRGBEffect::Make(fImage->fViews, fImage->fYUVAIndices, fImage->fYUVColorSpace, |
| samplerState, caps, SkMatrix::I(), subset, domain); |
| fp = GrBicubicEffect::Make(std::move(fp), |
| fImage->alphaType(), |
| textureMatrix, |
| GrBicubicEffect::Kernel::kMitchell, |
| GrBicubicEffect::Direction::kXY); |
| if (fImage->fFromColorSpace) { |
| fp = GrColorSpaceXformEffect::Make(std::move(fp), |
| fImage->fFromColorSpace.get(), fImage->alphaType(), |
| fImage->colorSpace(), kPremul_SkAlphaType); |
| } |
| return fp; |
| } |