Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 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 | |
Brian Osman | e8e5458 | 2016-11-28 10:06:27 -0500 | [diff] [blame] | 11 | #include "GrTextureMaker.h" |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 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, 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 | |
Brian Osman | 61624f0 | 2016-12-09 14:51:59 -0500 | [diff] [blame] | 28 | GrTexture* refOriginalTexture(bool willBeMipped, SkColorSpace* dstColorSpace) override; |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 29 | void makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey, |
Brian Osman | 61624f0 | 2016-12-09 14:51:59 -0500 | [diff] [blame] | 30 | SkColorSpace* dstColorSpace) override; |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 31 | void didCacheCopy(const GrUniqueKey& copyKey) override; |
| 32 | |
| 33 | SkAlphaType alphaType() const override; |
Brian Osman | 61624f0 | 2016-12-09 14:51:59 -0500 | [diff] [blame] | 34 | sk_sp<SkColorSpace> getColorSpace(SkColorSpace* dstColorSpace) override; |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 35 | |
| 36 | private: |
| 37 | SkImageCacherator* fCacher; |
| 38 | const SkImage* fClient; |
| 39 | GrUniqueKey fOriginalKey; |
| 40 | SkImage::CachingHint fCachingHint; |
| 41 | |
| 42 | typedef GrTextureMaker INHERITED; |
| 43 | }; |
| 44 | |
| 45 | #endif |