Line data    Source code

       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           0 : class GrImageTextureMaker : public GrTextureMaker {
      19             : public:
      20             :     GrImageTextureMaker(GrContext* context, SkImageCacherator* cacher, const SkImage* client,
      21             :                         SkImage::CachingHint chint);
      22             : 
      23             : protected:
      24             :     // TODO: consider overriding this, for the case where the underlying generator might be
      25             :     //       able to efficiently produce a "stretched" texture natively (e.g. picture-backed)
      26             :     //          GrTexture* generateTextureForParams(const CopyParams&) override;
      27             :     sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped,
      28             :                                                   SkColorSpace* dstColorSpace) 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