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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkImageCacherator_DEFINED | 8 #ifndef SkImageCacherator_DEFINED |
9 #define SkImageCacherator_DEFINED | 9 #define SkImageCacherator_DEFINED |
10 | 10 |
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29 const SkImageInfo& info() const { return fInfo; } | 29 const SkImageInfo& info() const { return fInfo; } |
30 uint32_t uniqueID() const { return fUniqueID; } | 30 uint32_t uniqueID() const { return fUniqueID; } |
31 | 31 |
32 /** | 32 /** |
33 * On success (true), bitmap will point to the pixels for this generator. I
f this returns | 33 * On success (true), bitmap will point to the pixels for this generator. I
f this returns |
34 * false, the bitmap will be reset to empty. | 34 * false, the bitmap will be reset to empty. |
35 * | 35 * |
36 * If not NULL, the client will be notified (->notifyAddedToCache()) when r
esources are | 36 * If not NULL, the client will be notified (->notifyAddedToCache()) when r
esources are |
37 * added to the cache on its behalf. | 37 * added to the cache on its behalf. |
38 */ | 38 */ |
39 bool lockAsBitmap(SkBitmap*, const SkImage* client); | 39 bool lockAsBitmap(SkBitmap*, const SkImage* client, |
| 40 SkImage::CachingHint = SkImage::kAllow_CachingHint); |
40 | 41 |
41 /** | 42 /** |
42 * Returns a ref() on the texture produced by this generator. The caller mu
st call unref() | 43 * Returns a ref() on the texture produced by this generator. The caller mu
st call unref() |
43 * when it is done. Will return nullptr on failure. | 44 * when it is done. Will return nullptr on failure. |
44 * | 45 * |
45 * If not NULL, the client will be notified (->notifyAddedToCache()) when r
esources are | 46 * If not NULL, the client will be notified (->notifyAddedToCache()) when r
esources are |
46 * added to the cache on its behalf. | 47 * added to the cache on its behalf. |
47 * | 48 * |
48 * The caller is responsible for calling texture->unref() when they are don
e. | 49 * The caller is responsible for calling texture->unref() when they are don
e. |
49 */ | 50 */ |
50 GrTexture* lockAsTexture(GrContext*, const GrTextureParams&, const SkImage*
client); | 51 GrTexture* lockAsTexture(GrContext*, const GrTextureParams&, const SkImage*
client, |
| 52 SkImage::CachingHint = SkImage::kAllow_CachingHint)
; |
51 | 53 |
52 /** | 54 /** |
53 * If the underlying src naturally is represented by an encoded blob (in Sk
Data), this returns | 55 * If the underlying src naturally is represented by an encoded blob (in Sk
Data), this returns |
54 * a ref to that data. If not, it returns null. | 56 * a ref to that data. If not, it returns null. |
55 */ | 57 */ |
56 SkData* refEncoded(); | 58 SkData* refEncoded(); |
57 | 59 |
58 private: | 60 private: |
59 SkImageCacherator(SkImageGenerator*, const SkImageInfo&, const SkIPoint&, ui
nt32_t uniqueID); | 61 SkImageCacherator(SkImageGenerator*, const SkImageInfo&, const SkIPoint&, ui
nt32_t uniqueID); |
60 | 62 |
61 bool generateBitmap(SkBitmap*); | 63 bool generateBitmap(SkBitmap*); |
62 bool tryLockAsBitmap(SkBitmap*, const SkImage*); | 64 bool tryLockAsBitmap(SkBitmap*, const SkImage*, SkImage::CachingHint); |
63 #if SK_SUPPORT_GPU | 65 #if SK_SUPPORT_GPU |
64 // Returns the texture. If the cacherator is generating the texture and want
s to cache it, | 66 // Returns the texture. If the cacherator is generating the texture and want
s to cache it, |
65 // it should use the passed in key (if the key is valid). | 67 // it should use the passed in key (if the key is valid). |
66 GrTexture* lockTexture(GrContext*, const GrUniqueKey& key, const SkImage* cl
ient); | 68 GrTexture* lockTexture(GrContext*, const GrUniqueKey& key, const SkImage* cl
ient, |
| 69 SkImage::CachingHint); |
67 #endif | 70 #endif |
68 | 71 |
69 class ScopedGenerator { | 72 class ScopedGenerator { |
70 SkImageCacherator* fCacher; | 73 SkImageCacherator* fCacher; |
71 public: | 74 public: |
72 ScopedGenerator(SkImageCacherator* cacher) : fCacher(cacher) { | 75 ScopedGenerator(SkImageCacherator* cacher) : fCacher(cacher) { |
73 fCacher->fMutexForGenerator.acquire(); | 76 fCacher->fMutexForGenerator.acquire(); |
74 } | 77 } |
75 ~ScopedGenerator() { | 78 ~ScopedGenerator() { |
76 fCacher->fMutexForGenerator.release(); | 79 fCacher->fMutexForGenerator.release(); |
77 } | 80 } |
78 SkImageGenerator* operator->() const { return fCacher->fNotThreadSafeGen
erator; } | 81 SkImageGenerator* operator->() const { return fCacher->fNotThreadSafeGen
erator; } |
79 operator SkImageGenerator*() const { return fCacher->fNotThreadSafeGener
ator; } | 82 operator SkImageGenerator*() const { return fCacher->fNotThreadSafeGener
ator; } |
80 }; | 83 }; |
81 | 84 |
82 SkMutex fMutexForGenerator; | 85 SkMutex fMutexForGenerator; |
83 SkAutoTDelete<SkImageGenerator> fNotThreadSafeGenerator; | 86 SkAutoTDelete<SkImageGenerator> fNotThreadSafeGenerator; |
84 | 87 |
85 const SkImageInfo fInfo; | 88 const SkImageInfo fInfo; |
86 const SkIPoint fOrigin; | 89 const SkIPoint fOrigin; |
87 const uint32_t fUniqueID; | 90 const uint32_t fUniqueID; |
88 | 91 |
89 friend class Cacherator_GrTextureMaker; | 92 friend class Cacherator_GrTextureMaker; |
90 }; | 93 }; |
91 | 94 |
92 #endif | 95 #endif |
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