diff options
Diffstat (limited to 'indra/newview/lltexturecache.cpp')
| -rw-r--r-- | indra/newview/lltexturecache.cpp | 52 |
1 files changed, 8 insertions, 44 deletions
diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp index 6211d0ce3b..d0e313bfdb 100644 --- a/indra/newview/lltexturecache.cpp +++ b/indra/newview/lltexturecache.cpp @@ -52,7 +52,8 @@ const S32 TEXTURE_CACHE_ENTRY_SIZE = FIRST_PACKET_SIZE;//1024; const F32 TEXTURE_CACHE_PURGE_AMOUNT = .20f; // % amount to reduce the cache by when it exceeds its limit const F32 TEXTURE_CACHE_LRU_SIZE = .10f; // % amount for LRU list (low overhead to regenerate) const S32 TEXTURE_FAST_CACHE_ENTRY_OVERHEAD = sizeof(S32) * 4; //w, h, c, level -const S32 TEXTURE_FAST_CACHE_ENTRY_SIZE = 16 * 16 * 4 + TEXTURE_FAST_CACHE_ENTRY_OVERHEAD; +const S32 TEXTURE_FAST_CACHE_DATA_SIZE = 16 * 16 * 4; +const S32 TEXTURE_FAST_CACHE_ENTRY_SIZE = TEXTURE_FAST_CACHE_DATA_SIZE + TEXTURE_FAST_CACHE_ENTRY_OVERHEAD; const F32 TEXTURE_LAZY_PURGE_TIME_LIMIT = .004f; // 4ms. Would be better to autoadjust, but there is a major cache rework in progress. class LLTextureCacheWorker : public LLWorkerClass @@ -2068,7 +2069,9 @@ LLPointer<LLImageRaw> LLTextureCache::readFromFastCache(const LLUUID& id, S32& d } S32 image_size = head[0] * head[1] * head[2]; - if(!image_size) //invalid + if(image_size <= 0 + || image_size > TEXTURE_FAST_CACHE_DATA_SIZE + || head[3] < 0) //invalid { closeFastCache(); return NULL; @@ -2090,46 +2093,6 @@ LLPointer<LLImageRaw> LLTextureCache::readFromFastCache(const LLUUID& id, S32& d return raw; } -#if LL_WINDOWS - -static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific - -U32 exception_dupe_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop) -{ - if (code == STATUS_MSC_EXCEPTION) - { - // C++ exception, go on - return EXCEPTION_CONTINUE_SEARCH; - } - else - { - // handle it - return EXCEPTION_EXECUTE_HANDLER; - } -} - -//due to unwinding -void dupe(LLPointer<LLImageRaw> &raw) -{ - raw = raw->duplicate(); -} - -void logExceptionDupplicate(LLPointer<LLImageRaw> &raw) -{ - __try - { - dupe(raw); - } - __except (exception_dupe_filter(GetExceptionCode(), GetExceptionInformation())) - { - // convert to C++ styled exception - char integer_string[32]; - sprintf(integer_string, "SEH, code: %lu\n", GetExceptionCode()); - throw std::exception(integer_string); - } -} -#endif - //return the fast cache location bool LLTextureCache::writeToFastCache(LLUUID image_id, S32 id, LLPointer<LLImageRaw> raw, S32 discardlevel) { @@ -2146,8 +2109,9 @@ bool LLTextureCache::writeToFastCache(LLUUID image_id, S32 id, LLPointer<LLImage c = raw->getComponents(); S32 i = 0 ; - - while(((w >> i) * (h >> i) * c) > TEXTURE_FAST_CACHE_ENTRY_SIZE - TEXTURE_FAST_CACHE_ENTRY_OVERHEAD) + + // Search for a discard level that will fit into fast cache + while(((w >> i) * (h >> i) * c) > TEXTURE_FAST_CACHE_DATA_SIZE) { ++i ; } |