1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrImageTextureMaker_DEFINED 9 #define GrImageTextureMaker_DEFINED 10 11 #include "GrTextureMaker.h" 12 #include "SkImage.h" 13 14 class SkImageCacherator; 15 16 /** This class manages the conversion of generator-backed images to GrTextures. If the caching hint 17 is kAllow the image's ID is used for the cache key. */ 18 class GrImageTextureMaker : public GrTextureMaker { 19 public: 20 GrImageTextureMaker(GrContext* context, const SkImage* client, SkImage::CachingHint chint); 21 22 protected: 23 // TODO: consider overriding this, for the case where the underlying generator might be 24 // able to efficiently produce a "stretched" texture natively (e.g. picture-backed) 25 // GrTexture* generateTextureForParams(const CopyParams&) override; 26 sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped, 27 SkColorSpace* dstColorSpace, 28 AllowedTexGenType onlyIfFast) override; 29 30 void makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey, 31 SkColorSpace* dstColorSpace) override; 32 void didCacheCopy(const GrUniqueKey& copyKey) override; 33 34 SkAlphaType alphaType() const override; 35 sk_sp<SkColorSpace> getColorSpace(SkColorSpace* dstColorSpace) override; 36 37 private: 38 SkImageCacherator* fCacher; 39 const SkImage* fClient; 40 GrUniqueKey fOriginalKey; 41 SkImage::CachingHint fCachingHint; 42 43 typedef GrTextureMaker INHERITED; 44 }; 45 46 #endif 47