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Side by Side Diff: src/core/SkResourceCache.h

Issue 1316233002: Style Change: NULL->nullptr (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: 2015-08-27 (Thursday) 10:25:06 EDT Created 5 years, 3 months ago
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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 #ifndef SkResourceCache_DEFINED 8 #ifndef SkResourceCache_DEFINED
9 #define SkResourceCache_DEFINED 9 #define SkResourceCache_DEFINED
10 10
(...skipping 61 matching lines...) Expand 10 before | Expand all | Expand 10 after
72 Rec() {} 72 Rec() {}
73 virtual ~Rec() {} 73 virtual ~Rec() {}
74 74
75 uint32_t getHash() const { return this->getKey().hash(); } 75 uint32_t getHash() const { return this->getKey().hash(); }
76 76
77 virtual const Key& getKey() const = 0; 77 virtual const Key& getKey() const = 0;
78 virtual size_t bytesUsed() const = 0; 78 virtual size_t bytesUsed() const = 0;
79 79
80 // for memory usage diagnostics 80 // for memory usage diagnostics
81 virtual const char* getCategory() const = 0; 81 virtual const char* getCategory() const = 0;
82 virtual SkDiscardableMemory* diagnostic_only_getDiscardable() const { re turn NULL; } 82 virtual SkDiscardableMemory* diagnostic_only_getDiscardable() const { re turn nullptr; }
83 83
84 // for SkTDynamicHash::Traits 84 // for SkTDynamicHash::Traits
85 static uint32_t Hash(const Key& key) { return key.hash(); } 85 static uint32_t Hash(const Key& key) { return key.hash(); }
86 static const Key& GetKey(const Rec& rec) { return rec.getKey(); } 86 static const Key& GetKey(const Rec& rec) { return rec.getKey(); }
87 87
88 private: 88 private:
89 Rec* fNext; 89 Rec* fNext;
90 Rec* fPrev; 90 Rec* fPrev;
91 91
92 friend class SkResourceCache; 92 friend class SkResourceCache;
(...skipping 15 matching lines...) Expand all
108 * (casting context to whatever it really is). 108 * (casting context to whatever it really is).
109 * 109 *
110 * The return value determines what the cache will do with the Rec. If the function returns 110 * The return value determines what the cache will do with the Rec. If the function returns
111 * true, then the Rec is considered "valid". If false is returned, the Rec will be considered 111 * true, then the Rec is considered "valid". If false is returned, the Rec will be considered
112 * "stale" and will be purged from the cache. 112 * "stale" and will be purged from the cache.
113 */ 113 */
114 typedef bool (*FindVisitor)(const Rec&, void* context); 114 typedef bool (*FindVisitor)(const Rec&, void* context);
115 115
116 /** 116 /**
117 * Returns a locked/pinned SkDiscardableMemory instance for the specified 117 * Returns a locked/pinned SkDiscardableMemory instance for the specified
118 * number of bytes, or NULL on failure. 118 * number of bytes, or nullptr on failure.
119 */ 119 */
120 typedef SkDiscardableMemory* (*DiscardableFactory)(size_t bytes); 120 typedef SkDiscardableMemory* (*DiscardableFactory)(size_t bytes);
121 121
122 /* 122 /*
123 * The following static methods are thread-safe wrappers around a global 123 * The following static methods are thread-safe wrappers around a global
124 * instance of this cache. 124 * instance of this cache.
125 */ 125 */
126 126
127 /** 127 /**
128 * Returns true if the visitor was called on a matching Key, and the visito r returned true. 128 * Returns true if the visitor was called on a matching Key, and the visito r returned true.
(...skipping 17 matching lines...) Expand all
146 146
147 static size_t SetSingleAllocationByteLimit(size_t); 147 static size_t SetSingleAllocationByteLimit(size_t);
148 static size_t GetSingleAllocationByteLimit(); 148 static size_t GetSingleAllocationByteLimit();
149 static size_t GetEffectiveSingleAllocationByteLimit(); 149 static size_t GetEffectiveSingleAllocationByteLimit();
150 150
151 static void PurgeAll(); 151 static void PurgeAll();
152 152
153 static void TestDumpMemoryStatistics(); 153 static void TestDumpMemoryStatistics();
154 154
155 /** 155 /**
156 * Returns the DiscardableFactory used by the global cache, or NULL. 156 * Returns the DiscardableFactory used by the global cache, or nullptr.
157 */ 157 */
158 static DiscardableFactory GetDiscardableFactory(); 158 static DiscardableFactory GetDiscardableFactory();
159 159
160 /** 160 /**
161 * Use this allocator for bitmaps, so they can use ashmem when available. 161 * Use this allocator for bitmaps, so they can use ashmem when available.
162 * Returns NULL if the ResourceCache has not been initialized with a Discard ableFactory. 162 * Returns nullptr if the ResourceCache has not been initialized with a Disc ardableFactory.
163 */ 163 */
164 static SkBitmap::Allocator* GetAllocator(); 164 static SkBitmap::Allocator* GetAllocator();
165 165
166 static SkCachedData* NewCachedData(size_t bytes); 166 static SkCachedData* NewCachedData(size_t bytes);
167 167
168 static void PostPurgeSharedID(uint64_t sharedID); 168 static void PostPurgeSharedID(uint64_t sharedID);
169 169
170 /** 170 /**
171 * Call SkDebugf() with diagnostic information about the state of the cache 171 * Call SkDebugf() with diagnostic information about the state of the cache
172 */ 172 */
(...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after
243 void dump() const; 243 void dump() const;
244 244
245 private: 245 private:
246 Rec* fHead; 246 Rec* fHead;
247 Rec* fTail; 247 Rec* fTail;
248 248
249 class Hash; 249 class Hash;
250 Hash* fHash; 250 Hash* fHash;
251 251
252 DiscardableFactory fDiscardableFactory; 252 DiscardableFactory fDiscardableFactory;
253 // the allocator is NULL or one that matches discardables 253 // the allocator is nullptr or one that matches discardables
254 SkBitmap::Allocator* fAllocator; 254 SkBitmap::Allocator* fAllocator;
255 255
256 size_t fTotalBytesUsed; 256 size_t fTotalBytesUsed;
257 size_t fTotalByteLimit; 257 size_t fTotalByteLimit;
258 size_t fSingleAllocationByteLimit; 258 size_t fSingleAllocationByteLimit;
259 int fCount; 259 int fCount;
260 260
261 SkMessageBus<PurgeSharedIDMessage>::Inbox fPurgeSharedIDInbox; 261 SkMessageBus<PurgeSharedIDMessage>::Inbox fPurgeSharedIDInbox;
262 262
263 void checkMessages(); 263 void checkMessages();
264 void purgeAsNeeded(bool forcePurge = false); 264 void purgeAsNeeded(bool forcePurge = false);
265 265
266 // linklist management 266 // linklist management
267 void moveToHead(Rec*); 267 void moveToHead(Rec*);
268 void addToHead(Rec*); 268 void addToHead(Rec*);
269 void detach(Rec*); 269 void detach(Rec*);
270 void remove(Rec*); 270 void remove(Rec*);
271 271
272 void init(); // called by constructors 272 void init(); // called by constructors
273 273
274 #ifdef SK_DEBUG 274 #ifdef SK_DEBUG
275 void validate() const; 275 void validate() const;
276 #else 276 #else
277 void validate() const {} 277 void validate() const {}
278 #endif 278 #endif
279 }; 279 };
280 #endif 280 #endif
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