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-rw-r--r--indra/newview/lltexturecache.cpp75
1 files changed, 50 insertions, 25 deletions
diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp
index 2fd0a22f80..9b417307fd 100644
--- a/indra/newview/lltexturecache.cpp
+++ b/indra/newview/lltexturecache.cpp
@@ -326,6 +326,7 @@ bool LLTextureCacheRemoteWorker::doRead()
// First state / stage : find out if the file is local
if (mState == INIT)
{
+#if 0
std::string filename = mCache->getLocalFileName(mID);
// Is it a JPEG2000 file?
{
@@ -360,6 +361,11 @@ bool LLTextureCacheRemoteWorker::doRead()
}
// Determine the next stage: if we found a file, then LOCAL else CACHE
mState = (local_size > 0 ? LOCAL : CACHE);
+
+ llassert_always(mState == CACHE) ;
+#else
+ mState = CACHE;
+#endif
}
// Second state / stage : if the file is local, load it and leave
@@ -927,7 +933,7 @@ void LLTextureCache::setReadOnly(BOOL read_only)
}
//called in the main thread.
-S64 LLTextureCache::initCache(ELLPath location, S64 max_size, BOOL disable_texture_cache)
+S64 LLTextureCache::initCache(ELLPath location, S64 max_size, BOOL texture_cache_mismatch)
{
llassert_always(getPending() == 0) ; //should not start accessing the texture cache before initialized.
@@ -942,19 +948,22 @@ S64 LLTextureCache::initCache(ELLPath location, S64 max_size, BOOL disable_textu
sCacheMaxTexturesSize = max_size;
max_size -= sCacheMaxTexturesSize;
- if(disable_texture_cache) //the texture cache is disabled
+ LL_INFOS("TextureCache") << "Headers: " << sCacheMaxEntries
+ << " Textures size: " << sCacheMaxTexturesSize / (1024 * 1024) << " MB" << LL_ENDL;
+
+ setDirNames(location);
+
+ if(texture_cache_mismatch)
{
- llinfos << "The texture cache is disabled!" << llendl ;
- setReadOnly(TRUE) ;
+ //if readonly, disable the texture cache,
+ //otherwise wipe out the texture cache.
purgeAllTextures(true);
- return max_size ;
+ if(mReadOnly)
+ {
+ return max_size ;
+ }
}
-
- LL_INFOS("TextureCache") << "Headers: " << sCacheMaxEntries
- << " Textures size: " << sCacheMaxTexturesSize/(1024*1024) << " MB" << LL_ENDL;
-
- setDirNames(location);
if (!mReadOnly)
{
@@ -1410,22 +1419,21 @@ void LLTextureCache::readHeaderCache()
}
}
}
- if (num_entries > sCacheMaxEntries)
+ if (num_entries - empty_entries > sCacheMaxEntries)
{
// Special case: cache size was reduced, need to remove entries
// Note: After we prune entries, we will call this again and create the LRU
- U32 entries_to_purge = (num_entries-empty_entries) - sCacheMaxEntries;
+ U32 entries_to_purge = (num_entries - empty_entries) - sCacheMaxEntries;
llinfos << "Texture Cache Entries: " << num_entries << " Max: " << sCacheMaxEntries << " Empty: " << empty_entries << " Purging: " << entries_to_purge << llendl;
- if (entries_to_purge > 0)
+ // We can exit the following loop with the given condition, since if we'd reach the end of the lru set we'd have:
+ // purge_list.size() = lru.size() = num_entries - empty_entries = entries_to_purge + sCacheMaxEntries >= entries_to_purge
+ // So, it's certain that iter will never reach lru.end() first.
+ std::set<lru_data_t>::iterator iter = lru.begin();
+ while (purge_list.size() < entries_to_purge)
{
- for (std::set<lru_data_t>::iterator iter = lru.begin(); iter != lru.end(); ++iter)
- {
- purge_list.insert(iter->second);
- if (purge_list.size() >= entries_to_purge)
- break;
- }
+ purge_list.insert(iter->second);
+ ++iter;
}
- llassert_always(purge_list.size() >= entries_to_purge);
}
else
{
@@ -1505,12 +1513,12 @@ void LLTextureCache::purgeAllTextures(bool purge_directories)
{
const char* subdirs = "0123456789abcdef";
std::string delem = gDirUtilp->getDirDelimiter();
- std::string mask = delem + "*";
+ std::string mask = "*";
for (S32 i=0; i<16; i++)
{
std::string dirname = mTexturesDirName + delem + subdirs[i];
llinfos << "Deleting files in directory: " << dirname << llendl;
- gDirUtilp->deleteFilesInDir(dirname,mask);
+ gDirUtilp->deleteFilesInDir(dirname, mask);
if (purge_directories)
{
LLFile::rmdir(dirname);
@@ -1589,7 +1597,7 @@ void LLTextureCache::purgeTextures(bool validate)
if (validate)
{
validate_idx = gSavedSettings.getU32("CacheValidateCounter");
- U32 next_idx = (++validate_idx) % 256;
+ U32 next_idx = (validate_idx + 1) % 256;
gSavedSettings.setU32("CacheValidateCounter", next_idx);
LL_DEBUGS("TextureCache") << "TEXTURE CACHE: Validating: " << validate_idx << LL_ENDL;
}
@@ -1647,7 +1655,7 @@ void LLTextureCache::purgeTextures(bool validate)
LL_INFOS("TextureCache") << "TEXTURE CACHE:"
<< " PURGED: " << purge_count
<< " ENTRIES: " << num_entries
- << " CACHE SIZE: " << mTexturesSizeTotal / 1024*1024 << " MB"
+ << " CACHE SIZE: " << mTexturesSizeTotal / (1024 * 1024) << " MB"
<< llendl;
}
@@ -1855,8 +1863,22 @@ void LLTextureCache::removeCachedTexture(const LLUUID& id)
//called after mHeaderMutex is locked.
void LLTextureCache::removeEntry(S32 idx, Entry& entry, std::string& filename)
{
+ bool file_maybe_exists = true; // Always attempt to remove when idx is invalid.
+
if(idx >= 0) //valid entry
{
+ if (entry.mBodySize == 0) // Always attempt to remove when mBodySize > 0.
+ {
+ if (LLAPRFile::isExist(filename, getLocalAPRFilePool())) // Sanity check. Shouldn't exist when body size is 0.
+ {
+ LL_WARNS("TextureCache") << "Entry has body size of zero but file " << filename << " exists. Deleting this file, too." << LL_ENDL;
+ }
+ else
+ {
+ file_maybe_exists = false;
+ }
+ }
+
entry.mImageSize = -1;
entry.mBodySize = 0;
mHeaderIDMap.erase(entry.mID);
@@ -1866,7 +1888,10 @@ void LLTextureCache::removeEntry(S32 idx, Entry& entry, std::string& filename)
mFreeList.insert(idx);
}
- LLAPRFile::remove(filename, getLocalAPRFilePool());
+ if (file_maybe_exists)
+ {
+ LLAPRFile::remove(filename, getLocalAPRFilePool());
+ }
}
bool LLTextureCache::removeFromCache(const LLUUID& id)