diff options
Diffstat (limited to 'indra/newview/lltexturecache.h')
| -rw-r--r-- | indra/newview/lltexturecache.h | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/indra/newview/lltexturecache.h b/indra/newview/lltexturecache.h index 64ec881fc3..64e3a2658c 100644 --- a/indra/newview/lltexturecache.h +++ b/indra/newview/lltexturecache.h @@ -2,31 +2,25 @@ * @file lltexturecache.h * @brief Object for managing texture cachees. * - * $LicenseInfo:firstyear=2000&license=viewergpl$ - * - * Copyright (c) 2000-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -68,6 +62,7 @@ private: 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; } + Entry& operator=(const Entry& entry) {mID = entry.mID, mImageSize = entry.mImageSize; mBodySize = entry.mBodySize; mTime = entry.mTime; return *this;} LLUUID mID; // 16 bytes S32 mImageSize; // total size of image if known S32 mBodySize; // size of body file in body cache @@ -109,7 +104,8 @@ public: /*virtual*/ S32 update(U32 max_time_ms); void purgeCache(ELLPath location); - S64 initCache(ELLPath location, S64 maxsize, BOOL read_only); + void setReadOnly(BOOL read_only) ; + S64 initCache(ELLPath location, S64 maxsize, BOOL texture_cache_mismatch); handle_t readFromCache(const std::string& local_filename, const LLUUID& id, U32 priority, S32 offset, S32 size, ReadResponder* responder); @@ -122,7 +118,7 @@ public: bool writeComplete(handle_t handle, bool abort = false); void prioritizeWrite(handle_t handle); - void removeFromCache(const LLUUID& id); + bool removeFromCache(const LLUUID& id); // For LLTextureCacheWorker::Responder LLTextureCacheWorker* getReader(handle_t handle); @@ -142,7 +138,6 @@ public: protected: // Accessed by LLTextureCacheWorker - 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); @@ -153,6 +148,7 @@ protected: private: void setDirNames(ELLPath location); void readHeaderCache(); + void clearCorruptedCache(); void purgeAllTextures(bool purge_directories); void purgeTextures(bool validate); LLAPRFile* openHeaderEntriesFile(bool readonly, S32 offset); @@ -160,12 +156,18 @@ private: void readEntriesHeader(); void writeEntriesHeader(); S32 openAndReadEntry(const LLUUID& id, Entry& entry, bool create); - void writeEntryAndClose(S32 idx, Entry& entry); + bool updateEntry(S32& idx, Entry& entry, S32 new_image_size, S32 new_body_size); + void updateEntryTimeStamp(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 readEntryFromHeaderImmediately(S32& idx, Entry& entry) ; + void writeEntryToHeaderImmediately(S32& idx, Entry& entry, bool write_header = false) ; + void removeEntry(S32 idx, Entry& entry, std::string& filename); + void removeCachedTexture(const LLUUID& id) ; + S32 getHeaderCacheEntry(const LLUUID& id, Entry& entry); + S32 setHeaderCacheEntry(const LLUUID& id, Entry& entry, S32 imagesize, S32 datasize); + void writeUpdatedEntries() ; + void updatedHeaderEntriesFile() ; void lockHeaders() { mHeaderMutex.lock(); } void unlockHeaders() { mHeaderMutex.unlock(); } @@ -204,6 +206,9 @@ private: S64 mTexturesSizeTotal; LLAtomic32<BOOL> mDoPurge; + typedef std::map<S32, Entry> idx_entry_map_t; + idx_entry_map_t mUpdatedEntryMap; + // Statics static F32 sHeaderCacheVersion; static U32 sCacheMaxEntries; |