diff options
Diffstat (limited to 'indra/newview/lltexturecache.cpp')
| -rw-r--r-- | indra/newview/lltexturecache.cpp | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp index a541273621..5561fddb9d 100644 --- a/indra/newview/lltexturecache.cpp +++ b/indra/newview/lltexturecache.cpp @@ -31,6 +31,7 @@ #include "llapr.h" #include "lldir.h" #include "llimage.h" +#include "llimagej2c.h" // for version control #include "lllfsthread.h" #include "llviewercontrol.h" @@ -938,6 +939,14 @@ BOOL LLTextureCache::isInLocal(const LLUUID& id) F32 LLTextureCache::sHeaderCacheVersion = 1.7f; U32 LLTextureCache::sCacheMaxEntries = 1024 * 1024; //~1 million textures. S64 LLTextureCache::sCacheMaxTexturesSize = 0; // no limit +std::string LLTextureCache::sHeaderCacheEncoderVersion = LLImageJ2C::getEngineInfo(); + +#if defined(ADDRESS_SIZE) +U32 LLTextureCache::sHeaderCacheAddressSize = ADDRESS_SIZE; +#else +U32 LLTextureCache::sHeaderCacheAddressSize = 32; +#endif + const char* entries_filename = "texture.entries"; const char* cache_filename = "texture.cache"; const char* old_textures_dirname = "textures"; @@ -1080,12 +1089,28 @@ void LLTextureCache::readEntriesHeader() } else //create an empty entries header. { - mHeaderEntriesInfo.mVersion = sHeaderCacheVersion ; - mHeaderEntriesInfo.mEntries = 0 ; + setEntriesHeader(); writeEntriesHeader() ; } } +void LLTextureCache::setEntriesHeader() +{ + if (sHeaderEncoderStringSize < sHeaderCacheEncoderVersion.size() + 1) + { + // For simplicity we use predefined size of header, so if version string + // doesn't fit, either getEngineInfo() returned malformed string or + // sHeaderEncoderStringSize need to be increased. + // Also take into accout that c_str() returns additional null character + LL_ERRS() << "Version string doesn't fit in header" << LL_ENDL; + } + + mHeaderEntriesInfo.mVersion = sHeaderCacheVersion; + mHeaderEntriesInfo.mAdressSize = sHeaderCacheAddressSize; + strcpy(mHeaderEntriesInfo.mEncoderVersion, sHeaderCacheEncoderVersion.c_str()); + mHeaderEntriesInfo.mEntries = 0; +} + void LLTextureCache::writeEntriesHeader() { llassert_always(mHeaderAPRFile == NULL); @@ -1439,7 +1464,9 @@ void LLTextureCache::readHeaderCache() readEntriesHeader(); - if (mHeaderEntriesInfo.mVersion != sHeaderCacheVersion) + if (mHeaderEntriesInfo.mVersion != sHeaderCacheVersion + || mHeaderEntriesInfo.mAdressSize != sHeaderCacheAddressSize + || strcmp(mHeaderEntriesInfo.mEncoderVersion, sHeaderCacheEncoderVersion.c_str()) != 0) { if (!mReadOnly) { @@ -1601,8 +1628,7 @@ void LLTextureCache::purgeAllTextures(bool purge_directories) mUpdatedEntryMap.clear(); // Info with 0 entries - mHeaderEntriesInfo.mVersion = sHeaderCacheVersion; - mHeaderEntriesInfo.mEntries = 0; + setEntriesHeader(); writeEntriesHeader(); LL_INFOS() << "The entire texture cache is cleared." << LL_ENDL ; |