1 files changed, 30 insertions, 13 deletions

diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp
index 8bdb8e069e..145ee31260 100644
--- a/indra/newview/llvocache.cpp
+++ b/indra/newview/llvocache.cpp
@@ -28,6 +28,7 @@
 #include "llvocache.h"
 #include "llerror.h"
 #include "llregionhandle.h"
+#include "llviewercontrol.h"
 
 BOOL check_read(LLAPRFile* apr_file, void* src, S32 n_bytes) 
 {
@@ -223,7 +224,6 @@ BOOL LLVOCacheEntry::writeToFile(LLAPRFile* apr_file) const
 // Format string used to construct filename for the object cache
 static const char OBJECT_CACHE_FILENAME[] = "objects_%d_%d.slc";
 
-const U32 MAX_NUM_OBJECT_ENTRIES = 128 ;
 const U32 NUM_ENTRIES_TO_PURGE = 16 ;
 const char* object_cache_dirname = "objectcache";
 const char* header_filename = "object.cache";
@@ -232,11 +232,11 @@ LLVOCache* LLVOCache::sInstance = NULL;
 
 //static 
 LLVOCache* LLVOCache::getInstance() 
-{
+{	
 	if(!sInstance)
 	{
 		sInstance = new LLVOCache() ;
-}
+	}
 	return sInstance ;
 }
 
@@ -262,13 +262,17 @@ LLVOCache::LLVOCache():
 	mNumEntries(0),
 	mCacheSize(1)
 {
+	mEnabled = gSavedSettings.getBOOL("ObjectCacheEnabled");
 	mLocalAPRFilePoolp = new LLVolatileAPRPool() ;
 }
 
 LLVOCache::~LLVOCache()
 {
-	writeCacheHeader();
-	clearCacheInMemory();
+	if(mEnabled)
+	{
+		writeCacheHeader();
+		clearCacheInMemory();
+	}
 	delete mLocalAPRFilePoolp;
 }
 
@@ -282,7 +286,7 @@ void LLVOCache::setDirNames(ELLPath location)
 
 void LLVOCache::initCache(ELLPath location, U32 size, U32 cache_version)
 {
-	if(mInitialized)
+	if(mInitialized || !mEnabled)
 	{
 		return ;
 	}
@@ -291,9 +295,9 @@ void LLVOCache::initCache(ELLPath location, U32 size, U32 cache_version)
 	if (!mReadOnly)
 	{
 		LLFile::mkdir(mObjectCacheDirName);
-	}	
-	mCacheSize = llclamp(size,
-			     MAX_NUM_OBJECT_ENTRIES, NUM_ENTRIES_TO_PURGE);
+	}
+
+	mCacheSize = size;
 
 	mMetaInfo.mVersion = cache_version;
 	readCacheHeader();
@@ -409,6 +413,11 @@ BOOL LLVOCache::checkWrite(LLAPRFile* apr_file, void* src, S32 n_bytes)
 
 void LLVOCache::readCacheHeader()
 {
+	if(!mEnabled)
+	{
+		return ;
+	}
+
 	//clear stale info.
 	clearCacheInMemory();	
 
@@ -424,7 +433,7 @@ void LLVOCache::readCacheHeader()
 
 		HeaderEntryInfo* entry ;
 		mNumEntries = 0 ;
-		while(mNumEntries < MAX_NUM_OBJECT_ENTRIES)
+		while(mNumEntries < mCacheSize)
 		{
 			entry = new HeaderEntryInfo() ;
 			if(!checkRead(apr_file, entry, sizeof(HeaderEntryInfo)))
@@ -453,7 +462,7 @@ void LLVOCache::readCacheHeader()
 
 void LLVOCache::writeCacheHeader()
 {
-	if(mReadOnly)
+	if(mReadOnly || !mEnabled)
 	{
 		return ;
 	}	
@@ -477,10 +486,10 @@ void LLVOCache::writeCacheHeader()
 	}
 
 	mNumEntries = mHeaderEntryQueue.size() ;
-	if(mNumEntries < MAX_NUM_OBJECT_ENTRIES)
+	if(mNumEntries < mCacheSize)
 	{
 		HeaderEntryInfo* entry = new HeaderEntryInfo() ;
-		for(S32 i = mNumEntries ; i < MAX_NUM_OBJECT_ENTRIES ; i++)
+		for(U32 i = mNumEntries ; i < mCacheSize; i++)
 		{
 			//fill the cache with the default entry.
 			if(!checkWrite(apr_file, entry, sizeof(HeaderEntryInfo)))
@@ -504,6 +513,10 @@ BOOL LLVOCache::updateEntry(const HeaderEntryInfo* entry)
 
 void LLVOCache::readFromCache(U64 handle, const LLUUID& id, LLVOCacheEntry::vocache_entry_map_t& cache_entry_map) 
 {
+	if(!mEnabled)
+	{
+		return ;
+	}
 	llassert_always(mInitialized);
 
 	handle_entry_map_t::iterator iter = mHandleEntryMap.find(handle) ;
@@ -573,6 +586,10 @@ void LLVOCache::purgeEntries()
 
 void LLVOCache::writeToCache(U64 handle, const LLUUID& id, const LLVOCacheEntry::vocache_entry_map_t& cache_entry_map, BOOL dirty_cache) 
 {
+	if(!mEnabled)
+	{
+		return ;
+	}
 	llassert_always(mInitialized);
 
 	if(mReadOnly)