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bug 717175 - flush shaped-word caches if they grow excessively large. r=roc

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This commit is contained in:
Jonathan Kew 2012-04-03 12:22:18 +01:00
parent 91ee28a3e2
commit 4db8132fe1
1 changed files with 6 additions and 0 deletions
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6
gfx/thebes/gfxFont.cpp
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@ -2129,6 +2129,12 @@ gfxFont::GetShapedWord(gfxContext *aContext,
PRInt32 aAppUnitsPerDevUnit,
PRUint32 aFlags)
{
// if the cache is getting too big, flush it and start over
if (mWordCache.Count() > 10000) {
NS_WARNING("flushing shaped-word cache");
ClearCachedWords();
}
// if there's a cached entry for this word, just return it
CacheHashKey key(aText, aLength, aHash,
aRunScript,