// Get data packer for this object, if we have cached data
// AND the CRC matches. JC
LLDataPacker *LLViewerRegion::getDP(U32 local_id, U32 crc)
{
llassert(mCacheLoaded);
LLVOCacheEntry* entry = get_if_there(mCacheMap, local_id, (LLVOCacheEntry*)NULL);
if (entry)
{
// we've seen this object before
if (entry->getCRC() == crc)
{
// Record a hit
entry->recordHit();
return entry->getDP(crc);
}
else
{
// llinfos << "CRC miss for " << local_id << llendl;
mCacheMissCRC.put(local_id);
}
}
else
{
// llinfos << "Cache miss for " << local_id << llendl;
mCacheMissFull.put(local_id);
}
return NULL;
}
// Get data packer for this object, if we have cached data
// AND the CRC matches. JC
LLDataPacker *LLViewerRegion::getDP(U32 local_id, U32 crc, U8 &cache_miss_type)
{
//llassert(mCacheLoaded); This assert failes often, changing to early-out -- davep, 2010/10/18
LLVOCacheEntry* entry = get_if_there(mImpl->mCacheMap, local_id, (LLVOCacheEntry*)NULL);
if (entry)
{
// we've seen this object before
if (entry->getCRC() == crc)
{
// Record a hit
entry->recordHit();
cache_miss_type = CACHE_MISS_TYPE_NONE;
return entry->getDP(crc);
}
else
{
// llinfos << "CRC miss for " << local_id << llendl;
cache_miss_type = CACHE_MISS_TYPE_CRC;
mCacheMissCRC.put(local_id);
}
}
else
{
// llinfos << "Cache miss for " << local_id << llendl;
cache_miss_type = CACHE_MISS_TYPE_FULL;
mCacheMissFull.put(local_id);
}
return NULL;
}
LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinaryBuffer &dp)
{
U32 local_id = objectp->getLocalID();
U32 crc = objectp->getCRC();
LLVOCacheEntry* entry = get_if_there(mImpl->mCacheMap, local_id, (LLVOCacheEntry*)NULL);
if (entry)
{
// we've seen this object before
if (entry->getCRC() == crc)
{
// Record a hit
entry->recordDupe();
return CACHE_UPDATE_DUPE;
}
// Update the cache entry
mImpl->mCacheMap.erase(local_id);
delete entry;
entry = new LLVOCacheEntry(local_id, crc, dp);
mImpl->mCacheMap[local_id] = entry;
return CACHE_UPDATE_CHANGED;
}
// we haven't seen this object before
// Create new entry and add to map
eCacheUpdateResult result = CACHE_UPDATE_ADDED;
if (mImpl->mCacheMap.size() > MAX_OBJECT_CACHE_ENTRIES)
{
delete mImpl->mCacheMap.begin()->second ;
mImpl->mCacheMap.erase(mImpl->mCacheMap.begin());
result = CACHE_UPDATE_REPLACED;
}
entry = new LLVOCacheEntry(local_id, crc, dp);
mImpl->mCacheMap[local_id] = entry;
return result;
}
void LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinaryBuffer &dp)
{
U32 local_id = objectp->getLocalID();
U32 crc = objectp->getCRC();
LLVOCacheEntry* entry = get_if_there(mCacheMap, local_id, (LLVOCacheEntry*)NULL);
if (entry)
{
// we've seen this object before
if (entry->getCRC() == crc)
{
// Record a hit
entry->recordDupe();
}
else
{
// Update the cache entry
mCacheMap.erase(local_id);
delete entry;
entry = new LLVOCacheEntry(local_id, crc, dp);
mCacheMap[local_id] = entry;
}
}
else
{
// we haven't seen this object before
// Create new entry and add to map
if (mCacheMap.size() > MAX_OBJECT_CACHE_ENTRIES)
{
mCacheMap.erase(mCacheMap.begin());
}
entry = new LLVOCacheEntry(local_id, crc, dp);
mCacheMap[local_id] = entry;
}
return ;
}