diff options
Diffstat (limited to 'indra/newview/lltexturecache.h')
-rw-r--r-- | indra/newview/lltexturecache.h | 65 |
1 files changed, 44 insertions, 21 deletions
diff --git a/indra/newview/lltexturecache.h b/indra/newview/lltexturecache.h index 68b1458e9a..bc9c988648 100644 --- a/indra/newview/lltexturecache.h +++ b/indra/newview/lltexturecache.h @@ -48,6 +48,27 @@ class LLTextureCache : public LLWorkerThread friend class LLTextureCacheRemoteWorker; friend class LLTextureCacheLocalFileWorker; +private: + // Entries + struct EntriesInfo + { + EntriesInfo() : mVersion(0.f), mEntries(0) {} + F32 mVersion; + U32 mEntries; + }; + struct Entry + { + Entry() {} + Entry(const LLUUID& id, S32 imagesize, S32 bodysize, U32 time) : + mID(id), mImageSize(imagesize), mBodySize(bodysize), mTime(time) {} + void init(const LLUUID& id, U32 time) { mID = id, mImageSize = 0; mBodySize = 0; mTime = time; } + LLUUID mID; // 16 bytes + S32 mImageSize; // total size of image if known + S32 mBodySize; // size of body file in body cache + U32 mTime; // seconds since 1/1/1970 + }; + + public: class Responder : public LLResponder @@ -106,10 +127,16 @@ public: // debug S32 getNumReads() { return mReaders.size(); } S32 getNumWrites() { return mWriters.size(); } + S64 getUsage() { return mTexturesSizeTotal; } + S64 getMaxUsage() { return sCacheMaxTexturesSize; } + U32 getEntries() { return mHeaderEntriesInfo.mEntries; } + U32 getMaxEntries() { return sCacheMaxEntries; }; + BOOL isInCache(const LLUUID& id) ; + BOOL isInLocal(const LLUUID& id) ; protected: // Accessed by LLTextureCacheWorker - bool appendToTextureEntryList(const LLUUID& id, S32 size); + bool updateTextureEntryList(const LLUUID& id, S32 size); std::string getLocalFileName(const LLUUID& id); std::string getTextureFileName(const LLUUID& id); void addCompleted(Responder* responder, bool success); @@ -122,7 +149,16 @@ private: void readHeaderCache(); void purgeAllTextures(bool purge_directories); void purgeTextures(bool validate); - S32 getHeaderCacheEntry(const LLUUID& id, bool touch, S32* imagesize = NULL); + LLAPRFile* openHeaderEntriesFile(bool readonly, S32 offset); + void closeHeaderEntriesFile(); + void readEntriesHeader(); + void writeEntriesHeader(); + S32 openAndReadEntry(const LLUUID& id, Entry& entry, bool create); + void writeEntryAndClose(S32 idx, Entry& entry); + U32 openAndReadEntries(std::vector<Entry>& entries); + void writeEntriesAndClose(const std::vector<Entry>& entries); + S32 getHeaderCacheEntry(const LLUUID& id, S32& imagesize); + S32 setHeaderCacheEntry(const LLUUID& id, S32 imagesize); bool removeHeaderCacheEntry(const LLUUID& id); void lockHeaders() { mHeaderMutex.lock(); } void unlockHeaders() { mHeaderMutex.unlock(); } @@ -132,6 +168,7 @@ private: LLMutex mWorkersMutex; LLMutex mHeaderMutex; LLMutex mListMutex; + LLAPRFile* mHeaderAPRFile; typedef std::map<handle_t, LLTextureCacheWorker*> handle_map_t; handle_map_t mReaders; @@ -145,42 +182,28 @@ private: BOOL mReadOnly; - // Entries - struct EntriesInfo - { - F32 mVersion; - U32 mEntries; - }; - struct Entry - { - Entry() {} - Entry(const LLUUID& id, S32 size, U32 time) : mID(id), mSize(size), mTime(time) {} - LLUUID mID; // 128 bits - S32 mSize; // total size of image if known (NOT size cached) - U32 mTime; // seconds since 1/1/1970 - }; - // HEADERS (Include first mip) std::string mHeaderEntriesFileName; std::string mHeaderDataFileName; EntriesInfo mHeaderEntriesInfo; - typedef std::map<S32,LLUUID> index_map_t; - index_map_t mLRU; // index, id; stored as a map for fast removal + std::set<S32> mFreeList; // deleted entries + std::set<LLUUID> mLRU; typedef std::map<LLUUID,S32> id_map_t; id_map_t mHeaderIDMap; // BODIES (TEXTURES minus headers) std::string mTexturesDirName; - std::string mTexturesDirEntriesFileName; typedef std::map<LLUUID,S32> size_map_t; size_map_t mTexturesSizeMap; S64 mTexturesSizeTotal; LLAtomic32<BOOL> mDoPurge; - + // Statics static F32 sHeaderCacheVersion; static U32 sCacheMaxEntries; static S64 sCacheMaxTexturesSize; }; +extern const S32 TEXTURE_CACHE_ENTRY_SIZE; + #endif // LL_LLTEXTURECACHE_H |