/* * Copyright 2016 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef GrImageTextureMaker_DEFINED #define GrImageTextureMaker_DEFINED #include "include/core/SkImage.h" #include "src/gpu/GrTextureMaker.h" class SkImage_Lazy; class SkImage_GpuYUVA; /** This class manages the conversion of generator-backed images to GrTextures. If the caching hint is kAllow the image's ID is used for the cache key. */ class GrImageTextureMaker : public GrTextureMaker { public: GrImageTextureMaker(GrRecordingContext* context, const SkImage* client, SkImage::CachingHint chint, bool useDecal = false); protected: // TODO: consider overriding this, for the case where the underlying generator might be // able to efficiently produce a "stretched" texture natively (e.g. picture-backed) // GrTexture* generateTextureForParams(const CopyParams&) override; sk_sp refOriginalTextureProxy(bool willBeMipped, AllowedTexGenType onlyIfFast) override; void makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey) override; void didCacheCopy(const GrUniqueKey& copyKey, uint32_t contextUniqueID) override {} private: const SkImage_Lazy* fImage; GrUniqueKey fOriginalKey; SkImage::CachingHint fCachingHint; typedef GrTextureMaker INHERITED; }; /** This class manages the conversion of generator-backed YUVA images to GrTextures. */ class GrYUVAImageTextureMaker : public GrTextureMaker { public: GrYUVAImageTextureMaker(GrContext* context, const SkImage* client, bool useDecal = false); // This could be made more nuanced and compare all of the texture proxy resolutions, but // it's probably not worth the effort. bool hasMixedResolutions() const override { return true; } protected: // TODO: consider overriding this, for the case where the underlying generator might be // able to efficiently produce a "stretched" texture natively (e.g. picture-backed) // GrTexture* generateTextureForParams(const CopyParams&) override; sk_sp refOriginalTextureProxy(bool willBeMipped, AllowedTexGenType onlyIfFast) override; void makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey) override; void didCacheCopy(const GrUniqueKey& copyKey, uint32_t contextUniqueID) override {} std::unique_ptr createFragmentProcessor( const SkMatrix& textureMatrix, const SkRect& constraintRect, FilterConstraint filterConstraint, bool coordsLimitedToConstraintRect, const GrSamplerState::Filter* filterOrNullForBicubic) override; private: const SkImage_GpuYUVA* fImage; GrUniqueKey fOriginalKey; typedef GrTextureMaker INHERITED; }; #endif