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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 GrBitmapTextureMaker_DEFINED
9 #define GrBitmapTextureMaker_DEFINED
10 
11 #include "include/core/SkBitmap.h"
12 #include "src/gpu/GrTextureMaker.h"
13 
14 /** This class manages the conversion of SW-backed bitmaps to GrTextures. If the input bitmap is
15     non-volatile the texture is cached using a key created from the pixels' image id and the
16     subset of the pixelref specified by the bitmap. */
17 class GrBitmapTextureMaker : public GrTextureMaker {
18 public:
19     GrBitmapTextureMaker(GrRecordingContext* context, const SkBitmap& bitmap,
20                          bool useDecal = false);
21 
22 protected:
23     sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped,
24                                                   AllowedTexGenType onlyIfFast) override;
25 
26     void makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey) override;
27     void didCacheCopy(const GrUniqueKey& copyKey, uint32_t contextUniqueID) override;
28 
29 private:
30     const SkBitmap  fBitmap;
31     GrUniqueKey     fOriginalKey;
32 
33     typedef GrTextureMaker INHERITED;
34 };
35 
36 #endif
37