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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 |
11 #include "SkImageGenerator.h" | 11 #include "SkImageGenerator.h" |
12 #include "SkMutex.h" | 12 #include "SkMutex.h" |
13 #include "SkTemplates.h" | 13 #include "SkTemplates.h" |
14 | 14 |
15 class GrContext; | 15 class GrContext; |
16 class GrTextureParams; | 16 class GrTextureParams; |
17 class GrUniqueKey; | |
18 class SkBitmap; | 17 class SkBitmap; |
19 class SkImage; | 18 class SkImage; |
20 | 19 |
21 /* | 20 /* |
22 * Internal class to manage caching the output of an ImageGenerator. | 21 * Internal class to manage caching the output of an ImageGenerator. |
23 */ | 22 */ |
24 class SkImageCacherator { | 23 class SkImageCacherator { |
25 public: | 24 public: |
26 // Takes ownership of the generator | 25 // Takes ownership of the generator |
27 static SkImageCacherator* NewFromGenerator(SkImageGenerator*, const SkIRect*
subset = nullptr); | 26 static SkImageCacherator* NewFromGenerator(SkImageGenerator*, const SkIRect*
subset = nullptr); |
(...skipping 26 matching lines...) Expand all Loading... |
54 * a ref to that data. If not, it returns null. | 53 * a ref to that data. If not, it returns null. |
55 */ | 54 */ |
56 SkData* refEncoded(); | 55 SkData* refEncoded(); |
57 | 56 |
58 private: | 57 private: |
59 SkImageCacherator(SkImageGenerator*, const SkImageInfo&, const SkIPoint&, ui
nt32_t uniqueID); | 58 SkImageCacherator(SkImageGenerator*, const SkImageInfo&, const SkIPoint&, ui
nt32_t uniqueID); |
60 | 59 |
61 bool generateBitmap(SkBitmap*); | 60 bool generateBitmap(SkBitmap*); |
62 bool tryLockAsBitmap(SkBitmap*, const SkImage*); | 61 bool tryLockAsBitmap(SkBitmap*, const SkImage*); |
63 #if SK_SUPPORT_GPU | 62 #if SK_SUPPORT_GPU |
64 // Returns the texture. If the cacherator is generating the texture and want
s to cache it, | 63 GrTexture* lockUnstretchedTexture(GrContext*, const SkImage* client); |
65 // it should use the passed in key (if the key is valid). | |
66 GrTexture* lockTexture(GrContext*, const GrUniqueKey& key, const SkImage* cl
ient); | |
67 #endif | 64 #endif |
68 | 65 |
69 class ScopedGenerator { | 66 class ScopedGenerator { |
70 SkImageCacherator* fCacher; | 67 SkImageCacherator* fCacher; |
71 public: | 68 public: |
72 ScopedGenerator(SkImageCacherator* cacher) : fCacher(cacher) { | 69 ScopedGenerator(SkImageCacherator* cacher) : fCacher(cacher) { |
73 fCacher->fMutexForGenerator.acquire(); | 70 fCacher->fMutexForGenerator.acquire(); |
74 } | 71 } |
75 ~ScopedGenerator() { | 72 ~ScopedGenerator() { |
76 fCacher->fMutexForGenerator.release(); | 73 fCacher->fMutexForGenerator.release(); |
77 } | 74 } |
78 SkImageGenerator* operator->() const { return fCacher->fNotThreadSafeGen
erator; } | 75 SkImageGenerator* operator->() const { return fCacher->fNotThreadSafeGen
erator; } |
79 operator SkImageGenerator*() const { return fCacher->fNotThreadSafeGener
ator; } | 76 operator SkImageGenerator*() const { return fCacher->fNotThreadSafeGener
ator; } |
80 }; | 77 }; |
81 | 78 |
82 SkMutex fMutexForGenerator; | 79 SkMutex fMutexForGenerator; |
83 SkAutoTDelete<SkImageGenerator> fNotThreadSafeGenerator; | 80 SkAutoTDelete<SkImageGenerator> fNotThreadSafeGenerator; |
84 | 81 |
85 const SkImageInfo fInfo; | 82 const SkImageInfo fInfo; |
86 const SkIPoint fOrigin; | 83 const SkIPoint fOrigin; |
87 const uint32_t fUniqueID; | 84 const uint32_t fUniqueID; |
88 | 85 |
89 friend class Cacherator_GrTextureParamsAdjuster; | 86 friend class Cacherator_GrTextureMaker; |
90 }; | 87 }; |
91 | 88 |
92 #endif | 89 #endif |
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