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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 #include "SkDiscardableMemory.h" | 8 #include "SkDiscardableMemory.h" |
| 9 #include "SkDiscardableMemoryPool.h" | 9 #include "SkDiscardableMemoryPool.h" |
| 10 #include "SkImageGenerator.h" | 10 #include "SkImageGenerator.h" |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 * pool works. | 25 * pool works. |
| 26 */ | 26 */ |
| 27 class DiscardableMemoryPool : public SkDiscardableMemoryPool { | 27 class DiscardableMemoryPool : public SkDiscardableMemoryPool { |
| 28 public: | 28 public: |
| 29 /** | 29 /** |
| 30 * Without mutex, will be not be thread safe. | 30 * Without mutex, will be not be thread safe. |
| 31 */ | 31 */ |
| 32 DiscardableMemoryPool(size_t budget, SkBaseMutex* mutex = NULL); | 32 DiscardableMemoryPool(size_t budget, SkBaseMutex* mutex = NULL); |
| 33 virtual ~DiscardableMemoryPool(); | 33 virtual ~DiscardableMemoryPool(); |
| 34 | 34 |
| 35 virtual SkDiscardableMemory* create(size_t bytes) SK_OVERRIDE; | 35 SkDiscardableMemory* create(size_t bytes) SK_OVERRIDE; |
| 36 | 36 |
| 37 virtual size_t getRAMUsed() SK_OVERRIDE; | 37 size_t getRAMUsed() SK_OVERRIDE; |
| 38 virtual void setRAMBudget(size_t budget) SK_OVERRIDE; | 38 void setRAMBudget(size_t budget) SK_OVERRIDE; |
| 39 virtual size_t getRAMBudget() SK_OVERRIDE { return fBudget; } | 39 size_t getRAMBudget() SK_OVERRIDE { return fBudget; } |
| 40 | 40 |
| 41 /** purges all unlocked DMs */ | 41 /** purges all unlocked DMs */ |
| 42 virtual void dumpPool() SK_OVERRIDE; | 42 void dumpPool() SK_OVERRIDE; |
| 43 | 43 |
| 44 #if SK_LAZY_CACHE_STATS // Defined in SkDiscardableMemoryPool.h | 44 #if SK_LAZY_CACHE_STATS // Defined in SkDiscardableMemoryPool.h |
| 45 virtual int getCacheHits() SK_OVERRIDE { return fCacheHits; } | 45 int getCacheHits() SK_OVERRIDE { return fCacheHits; } |
| 46 virtual int getCacheMisses() SK_OVERRIDE { return fCacheMisses; } | 46 int getCacheMisses() SK_OVERRIDE { return fCacheMisses; } |
| 47 virtual void resetCacheHitsAndMisses() SK_OVERRIDE { | 47 void resetCacheHitsAndMisses() SK_OVERRIDE { |
| 48 fCacheHits = fCacheMisses = 0; | 48 fCacheHits = fCacheMisses = 0; |
| 49 } | 49 } |
| 50 int fCacheHits; | 50 int fCacheHits; |
| 51 int fCacheMisses; | 51 int fCacheMisses; |
| 52 #endif // SK_LAZY_CACHE_STATS | 52 #endif // SK_LAZY_CACHE_STATS |
| 53 | 53 |
| 54 private: | 54 private: |
| 55 SkBaseMutex* fMutex; | 55 SkBaseMutex* fMutex; |
| 56 size_t fBudget; | 56 size_t fBudget; |
| 57 size_t fUsed; | 57 size_t fUsed; |
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| 73 | 73 |
| 74 /** | 74 /** |
| 75 * A PoolDiscardableMemory is a SkDiscardableMemory that relies on | 75 * A PoolDiscardableMemory is a SkDiscardableMemory that relies on |
| 76 * a DiscardableMemoryPool object to manage the memory. | 76 * a DiscardableMemoryPool object to manage the memory. |
| 77 */ | 77 */ |
| 78 class PoolDiscardableMemory : public SkDiscardableMemory { | 78 class PoolDiscardableMemory : public SkDiscardableMemory { |
| 79 public: | 79 public: |
| 80 PoolDiscardableMemory(DiscardableMemoryPool* pool, | 80 PoolDiscardableMemory(DiscardableMemoryPool* pool, |
| 81 void* pointer, size_t bytes); | 81 void* pointer, size_t bytes); |
| 82 virtual ~PoolDiscardableMemory(); | 82 virtual ~PoolDiscardableMemory(); |
| 83 virtual bool lock() SK_OVERRIDE; | 83 bool lock() SK_OVERRIDE; |
| 84 virtual void* data() SK_OVERRIDE; | 84 void* data() SK_OVERRIDE; |
| 85 virtual void unlock() SK_OVERRIDE; | 85 void unlock() SK_OVERRIDE; |
| 86 friend class DiscardableMemoryPool; | 86 friend class DiscardableMemoryPool; |
| 87 private: | 87 private: |
| 88 SK_DECLARE_INTERNAL_LLIST_INTERFACE(PoolDiscardableMemory); | 88 SK_DECLARE_INTERNAL_LLIST_INTERFACE(PoolDiscardableMemory); |
| 89 DiscardableMemoryPool* const fPool; | 89 DiscardableMemoryPool* const fPool; |
| 90 bool fLocked; | 90 bool fLocked; |
| 91 void* fPointer; | 91 void* fPointer; |
| 92 const size_t fBytes; | 92 const size_t fBytes; |
| 93 }; | 93 }; |
| 94 | 94 |
| 95 PoolDiscardableMemory::PoolDiscardableMemory(DiscardableMemoryPool* pool, | 95 PoolDiscardableMemory::PoolDiscardableMemory(DiscardableMemoryPool* pool, |
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| 260 return SkNEW_ARGS(DiscardableMemoryPool, (size, mutex)); | 260 return SkNEW_ARGS(DiscardableMemoryPool, (size, mutex)); |
| 261 } | 261 } |
| 262 | 262 |
| 263 SK_DECLARE_STATIC_LAZY_PTR(SkDiscardableMemoryPool, global, create_global_pool); | 263 SK_DECLARE_STATIC_LAZY_PTR(SkDiscardableMemoryPool, global, create_global_pool); |
| 264 | 264 |
| 265 SkDiscardableMemoryPool* SkGetGlobalDiscardableMemoryPool() { | 265 SkDiscardableMemoryPool* SkGetGlobalDiscardableMemoryPool() { |
| 266 return global.get(); | 266 return global.get(); |
| 267 } | 267 } |
| 268 | 268 |
| 269 //////////////////////////////////////////////////////////////////////////////// | 269 //////////////////////////////////////////////////////////////////////////////// |
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