diff options
Diffstat (limited to 'indra/newview/llvocache.cpp')
| -rw-r--r-- | indra/newview/llvocache.cpp | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp index 236ce11c7e..fbab5c60e3 100644 --- a/indra/newview/llvocache.cpp +++ b/indra/newview/llvocache.cpp @@ -54,7 +54,9 @@ LLVOCacheEntry::LLVOCacheEntry(U32 local_id, U32 crc, LLDataPackerBinaryBuffer & mHitCount(0), mDupeCount(0), mCRCChangeCount(0), - mState(INACTIVE) + mState(INACTIVE), + mRepeatedVisCounter(0), + mVisFrameRange(64) { mBuffer = new U8[dp.getBufferSize()]; mDP.assignBuffer(mBuffer, dp.getBufferSize()); @@ -69,7 +71,9 @@ LLVOCacheEntry::LLVOCacheEntry() mDupeCount(0), mCRCChangeCount(0), mBuffer(NULL), - mState(INACTIVE) + mState(INACTIVE), + mRepeatedVisCounter(0), + mVisFrameRange(64) { mDP.assignBuffer(mBuffer, 0); } @@ -77,7 +81,9 @@ LLVOCacheEntry::LLVOCacheEntry() LLVOCacheEntry::LLVOCacheEntry(LLAPRFile* apr_file) : LLViewerOctreeEntryData(LLViewerOctreeEntry::LLVOCACHEENTRY), mBuffer(NULL), - mState(INACTIVE) + mState(INACTIVE), + mRepeatedVisCounter(0), + mVisFrameRange(64) { S32 size = -1; BOOL success; @@ -167,12 +173,41 @@ void LLVOCacheEntry::setOctreeEntry(LLViewerOctreeEntry* entry) LLViewerOctreeEntryData::setOctreeEntry(entry); } +void LLVOCacheEntry::setState(U32 state) +{ + mState = state; + + if(mState == ACTIVE) + { + const S32 MIN_REAVTIVE_INTERVAL = 20; + U32 last_visible = getVisible(); + + setVisible(); + + if(getVisible() - last_visible < MIN_REAVTIVE_INTERVAL + mVisFrameRange) + { + mRepeatedVisCounter++; + } + else + { + mRepeatedVisCounter = 0; + mVisFrameRange = 64; + } + + if(mRepeatedVisCounter > 2) + { + //if repeatedly becomes visible immediately after invisible, enlarge the visible frame range + + mRepeatedVisCounter = 0; + mVisFrameRange *= 2; + } + } +} + //virtual S32 LLVOCacheEntry::getMinVisFrameRange()const { - const S32 MIN_RANGE = 64; //frames - - return MIN_RANGE; + return mVisFrameRange; } void LLVOCacheEntry::addChild(LLVOCacheEntry* entry) |