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-rw-r--r--indra/newview/lltexturecache.h510
1 files changed, 255 insertions, 255 deletions
diff --git a/indra/newview/lltexturecache.h b/indra/newview/lltexturecache.h
index 3947cb850f..5ac0a0428d 100644
--- a/indra/newview/lltexturecache.h
+++ b/indra/newview/lltexturecache.h
@@ -1,255 +1,255 @@
-/**
- * @file lltexturecache.h
- * @brief Object for managing texture cachees.
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * 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.
- *
- * 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.
- *
- * 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
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLTEXTURECACHE_H
-#define LL_LLTEXTURECACHE_H
-
-#include "lldir.h"
-#include "llstl.h"
-#include "llstring.h"
-#include "lluuid.h"
-
-#include "llworkerthread.h"
-
-class LLImageFormatted;
-class LLTextureCacheWorker;
-class LLImageRaw;
-
-class LLTextureCache : public LLWorkerThread
-{
- friend class LLTextureCacheWorker;
- friend class LLTextureCacheRemoteWorker;
- friend class LLTextureCacheLocalFileWorker;
-
-private:
-
-#if LL_WINDOWS
-#pragma pack(push,1)
-#endif
-
- // Entries
- static const U32 sHeaderEncoderStringSize = 32;
- struct EntriesInfo
- {
- EntriesInfo() : mVersion(0.f), mAdressSize(0), mEntries(0) { memset(mEncoderVersion, 0, sHeaderEncoderStringSize); }
- F32 mVersion;
- U32 mAdressSize;
- char mEncoderVersion[sHeaderEncoderStringSize];
- U32 mEntries;
- };
- struct Entry
- {
- Entry() :
- mBodySize(0),
- mImageSize(0),
- mTime(0)
- {
- }
- 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
- U32 mTime; // seconds since 1/1/1970
- };
-
-#if LL_WINDOWS
-#pragma pack(pop)
-#endif
-
-public:
-
- class Responder : public LLResponder
- {
- public:
- virtual void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal) = 0;
- };
-
- class ReadResponder : public Responder
- {
- public:
- ReadResponder();
- void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal);
- void setImage(LLImageFormatted* image) { mFormattedImage = image; }
- protected:
- LLPointer<LLImageFormatted> mFormattedImage;
- S32 mImageSize;
- bool mImageLocal;
- };
-
- class WriteResponder : public Responder
- {
- void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal)
- {
- // not used
- }
- };
-
- LLTextureCache(bool threaded);
- ~LLTextureCache();
-
- /*virtual*/ size_t update(F32 max_time_ms);
-
- void purgeCache(ELLPath location, bool remove_dir = true);
- 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, S32 offset, S32 size,
- ReadResponder* responder);
-
- handle_t readFromCache(const LLUUID& id, S32 offset, S32 size,
- ReadResponder* responder);
- bool readComplete(handle_t handle, bool abort);
- handle_t writeToCache(const LLUUID& id, const U8* data, S32 datasize, S32 imagesize, LLPointer<LLImageRaw> rawimage, S32 discardlevel,
- WriteResponder* responder);
- LLPointer<LLImageRaw> readFromFastCache(const LLUUID& id, S32& discardlevel);
- bool writeComplete(handle_t handle, bool abort = false);
- void prioritizeWrite(handle_t handle);
-
- bool removeFromCache(const LLUUID& id);
-
- // For LLTextureCacheWorker::Responder
- LLTextureCacheWorker* getReader(handle_t handle);
- LLTextureCacheWorker* getWriter(handle_t handle);
- void lockWorkers() { mWorkersMutex.lock(); }
- void unlockWorkers() { mWorkersMutex.unlock(); }
-
- // debug
- S32 getNumReads() { return mReaders.size(); }
- S32 getNumWrites() { return mWriters.size(); }
- S64Bytes getUsage() { return S64Bytes(mTexturesSizeTotal); }
- S64Bytes getMaxUsage() { return S64Bytes(sCacheMaxTexturesSize); }
- U32 getEntries() { return mHeaderEntriesInfo.mEntries; }
- U32 getMaxEntries() { return sCacheMaxEntries; };
- bool isInCache(const LLUUID& id) ;
- bool isInLocal(const LLUUID& id) ; //not thread safe at the moment
-
-protected:
- // Accessed by LLTextureCacheWorker
- std::string getLocalFileName(const LLUUID& id);
- std::string getTextureFileName(const LLUUID& id);
- void addCompleted(Responder* responder, bool success);
-
-protected:
- //void setFileAPRPool(apr_pool_t* pool) { mFileAPRPool = pool ; }
-
-private:
- void setDirNames(ELLPath location);
- void readHeaderCache();
- void clearCorruptedCache();
- void purgeAllTextures(bool purge_directories);
- void purgeTexturesLazy(F32 time_limit_sec);
- void purgeTextures(bool validate);
- LLAPRFile* openHeaderEntriesFile(bool readonly, S32 offset);
- void closeHeaderEntriesFile();
- void readEntriesHeader();
- void setEntriesHeader();
- void writeEntriesHeader();
- S32 openAndReadEntry(const LLUUID& id, Entry& entry, bool create);
- 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);
- 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(); }
-
- void openFastCache(bool first_time = false);
- void closeFastCache(bool forced = false);
- bool writeToFastCache(LLUUID image_id, S32 cache_id, LLPointer<LLImageRaw> raw, S32 discardlevel);
-
-private:
- // Internal
- LLMutex mWorkersMutex;
- LLMutex mHeaderMutex;
- LLMutex mListMutex;
- LLMutex mFastCacheMutex;
- LLAPRFile* mHeaderAPRFile;
- LLVolatileAPRPool* mFastCachePoolp;
-
- // mLocalAPRFilePoolp is not thread safe and is meant only for workers
- // howhever mHeaderEntriesFileName is accessed not from workers' threads
- // so it needs own pool (not thread safe by itself, relies onto header's mutex)
- LLVolatileAPRPool* mHeaderAPRFilePoolp;
-
- typedef std::map<handle_t, LLTextureCacheWorker*> handle_map_t;
- handle_map_t mReaders;
- handle_map_t mWriters;
-
- typedef std::vector<handle_t> handle_list_t;
- handle_list_t mPrioritizeWriteList;
-
- typedef std::vector<std::pair<LLPointer<Responder>, bool> > responder_list_t;
- responder_list_t mCompletedList;
-
- bool mReadOnly;
-
- // HEADERS (Include first mip)
- std::string mHeaderEntriesFileName;
- std::string mHeaderDataFileName;
- std::string mFastCacheFileName;
- EntriesInfo mHeaderEntriesInfo;
- std::set<S32> mFreeList; // deleted entries
- std::set<LLUUID> mLRU;
- typedef std::map<LLUUID, S32> id_map_t;
- id_map_t mHeaderIDMap;
-
- LLAPRFile* mFastCachep;
- LLFrameTimer mFastCacheTimer;
- U8* mFastCachePadBuffer;
-
- // BODIES (TEXTURES minus headers)
- std::string mTexturesDirName;
- typedef std::map<LLUUID,S32> size_map_t;
- size_map_t mTexturesSizeMap;
- S64 mTexturesSizeTotal;
- LLAtomicBool mDoPurge;
-
- typedef std::map<S32, Entry> idx_entry_map_t;
- idx_entry_map_t mUpdatedEntryMap;
- typedef std::vector<std::pair<S32, Entry> > idx_entry_vector_t;
- idx_entry_vector_t mPurgeEntryList;
-
- // Statics
- static F32 sHeaderCacheVersion;
- static U32 sHeaderCacheAddressSize;
- static std::string sHeaderCacheEncoderVersion;
- static U32 sCacheMaxEntries;
- static S64 sCacheMaxTexturesSize;
-};
-
-extern const S32 TEXTURE_CACHE_ENTRY_SIZE;
-
-#endif // LL_LLTEXTURECACHE_H
+/**
+ * @file lltexturecache.h
+ * @brief Object for managing texture cachees.
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTEXTURECACHE_H
+#define LL_LLTEXTURECACHE_H
+
+#include "lldir.h"
+#include "llstl.h"
+#include "llstring.h"
+#include "lluuid.h"
+
+#include "llworkerthread.h"
+
+class LLImageFormatted;
+class LLTextureCacheWorker;
+class LLImageRaw;
+
+class LLTextureCache : public LLWorkerThread
+{
+ friend class LLTextureCacheWorker;
+ friend class LLTextureCacheRemoteWorker;
+ friend class LLTextureCacheLocalFileWorker;
+
+private:
+
+#if LL_WINDOWS
+#pragma pack(push,1)
+#endif
+
+ // Entries
+ static const U32 sHeaderEncoderStringSize = 32;
+ struct EntriesInfo
+ {
+ EntriesInfo() : mVersion(0.f), mAdressSize(0), mEntries(0) { memset(mEncoderVersion, 0, sHeaderEncoderStringSize); }
+ F32 mVersion;
+ U32 mAdressSize;
+ char mEncoderVersion[sHeaderEncoderStringSize];
+ U32 mEntries;
+ };
+ struct Entry
+ {
+ Entry() :
+ mBodySize(0),
+ mImageSize(0),
+ mTime(0)
+ {
+ }
+ 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
+ U32 mTime; // seconds since 1/1/1970
+ };
+
+#if LL_WINDOWS
+#pragma pack(pop)
+#endif
+
+public:
+
+ class Responder : public LLResponder
+ {
+ public:
+ virtual void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal) = 0;
+ };
+
+ class ReadResponder : public Responder
+ {
+ public:
+ ReadResponder();
+ void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal);
+ void setImage(LLImageFormatted* image) { mFormattedImage = image; }
+ protected:
+ LLPointer<LLImageFormatted> mFormattedImage;
+ S32 mImageSize;
+ bool mImageLocal;
+ };
+
+ class WriteResponder : public Responder
+ {
+ void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal)
+ {
+ // not used
+ }
+ };
+
+ LLTextureCache(bool threaded);
+ ~LLTextureCache();
+
+ /*virtual*/ size_t update(F32 max_time_ms);
+
+ void purgeCache(ELLPath location, bool remove_dir = true);
+ 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, S32 offset, S32 size,
+ ReadResponder* responder);
+
+ handle_t readFromCache(const LLUUID& id, S32 offset, S32 size,
+ ReadResponder* responder);
+ bool readComplete(handle_t handle, bool abort);
+ handle_t writeToCache(const LLUUID& id, const U8* data, S32 datasize, S32 imagesize, LLPointer<LLImageRaw> rawimage, S32 discardlevel,
+ WriteResponder* responder);
+ LLPointer<LLImageRaw> readFromFastCache(const LLUUID& id, S32& discardlevel);
+ bool writeComplete(handle_t handle, bool abort = false);
+ void prioritizeWrite(handle_t handle);
+
+ bool removeFromCache(const LLUUID& id);
+
+ // For LLTextureCacheWorker::Responder
+ LLTextureCacheWorker* getReader(handle_t handle);
+ LLTextureCacheWorker* getWriter(handle_t handle);
+ void lockWorkers() { mWorkersMutex.lock(); }
+ void unlockWorkers() { mWorkersMutex.unlock(); }
+
+ // debug
+ S32 getNumReads() { return mReaders.size(); }
+ S32 getNumWrites() { return mWriters.size(); }
+ S64Bytes getUsage() { return S64Bytes(mTexturesSizeTotal); }
+ S64Bytes getMaxUsage() { return S64Bytes(sCacheMaxTexturesSize); }
+ U32 getEntries() { return mHeaderEntriesInfo.mEntries; }
+ U32 getMaxEntries() { return sCacheMaxEntries; };
+ bool isInCache(const LLUUID& id) ;
+ bool isInLocal(const LLUUID& id) ; //not thread safe at the moment
+
+protected:
+ // Accessed by LLTextureCacheWorker
+ std::string getLocalFileName(const LLUUID& id);
+ std::string getTextureFileName(const LLUUID& id);
+ void addCompleted(Responder* responder, bool success);
+
+protected:
+ //void setFileAPRPool(apr_pool_t* pool) { mFileAPRPool = pool ; }
+
+private:
+ void setDirNames(ELLPath location);
+ void readHeaderCache();
+ void clearCorruptedCache();
+ void purgeAllTextures(bool purge_directories);
+ void purgeTexturesLazy(F32 time_limit_sec);
+ void purgeTextures(bool validate);
+ LLAPRFile* openHeaderEntriesFile(bool readonly, S32 offset);
+ void closeHeaderEntriesFile();
+ void readEntriesHeader();
+ void setEntriesHeader();
+ void writeEntriesHeader();
+ S32 openAndReadEntry(const LLUUID& id, Entry& entry, bool create);
+ 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);
+ 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(); }
+
+ void openFastCache(bool first_time = false);
+ void closeFastCache(bool forced = false);
+ bool writeToFastCache(LLUUID image_id, S32 cache_id, LLPointer<LLImageRaw> raw, S32 discardlevel);
+
+private:
+ // Internal
+ LLMutex mWorkersMutex;
+ LLMutex mHeaderMutex;
+ LLMutex mListMutex;
+ LLMutex mFastCacheMutex;
+ LLAPRFile* mHeaderAPRFile;
+ LLVolatileAPRPool* mFastCachePoolp;
+
+ // mLocalAPRFilePoolp is not thread safe and is meant only for workers
+ // howhever mHeaderEntriesFileName is accessed not from workers' threads
+ // so it needs own pool (not thread safe by itself, relies onto header's mutex)
+ LLVolatileAPRPool* mHeaderAPRFilePoolp;
+
+ typedef std::map<handle_t, LLTextureCacheWorker*> handle_map_t;
+ handle_map_t mReaders;
+ handle_map_t mWriters;
+
+ typedef std::vector<handle_t> handle_list_t;
+ handle_list_t mPrioritizeWriteList;
+
+ typedef std::vector<std::pair<LLPointer<Responder>, bool> > responder_list_t;
+ responder_list_t mCompletedList;
+
+ bool mReadOnly;
+
+ // HEADERS (Include first mip)
+ std::string mHeaderEntriesFileName;
+ std::string mHeaderDataFileName;
+ std::string mFastCacheFileName;
+ EntriesInfo mHeaderEntriesInfo;
+ std::set<S32> mFreeList; // deleted entries
+ std::set<LLUUID> mLRU;
+ typedef std::map<LLUUID, S32> id_map_t;
+ id_map_t mHeaderIDMap;
+
+ LLAPRFile* mFastCachep;
+ LLFrameTimer mFastCacheTimer;
+ U8* mFastCachePadBuffer;
+
+ // BODIES (TEXTURES minus headers)
+ std::string mTexturesDirName;
+ typedef std::map<LLUUID,S32> size_map_t;
+ size_map_t mTexturesSizeMap;
+ S64 mTexturesSizeTotal;
+ LLAtomicBool mDoPurge;
+
+ typedef std::map<S32, Entry> idx_entry_map_t;
+ idx_entry_map_t mUpdatedEntryMap;
+ typedef std::vector<std::pair<S32, Entry> > idx_entry_vector_t;
+ idx_entry_vector_t mPurgeEntryList;
+
+ // Statics
+ static F32 sHeaderCacheVersion;
+ static U32 sHeaderCacheAddressSize;
+ static std::string sHeaderCacheEncoderVersion;
+ static U32 sCacheMaxEntries;
+ static S64 sCacheMaxTexturesSize;
+};
+
+extern const S32 TEXTURE_CACHE_ENTRY_SIZE;
+
+#endif // LL_LLTEXTURECACHE_H
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