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Bug 1180931 (Part 2) - Allow sync size decoding for transient (i.e. multipart) images. r=tn

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This commit is contained in:
Seth Fowler 2015-07-08 15:52:58 -07:00
parent 6437d35410
commit 60250d3c0a
1 changed files with 5 additions and 4 deletions
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9
image/RasterImage.cpp
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@ -1196,10 +1196,11 @@ RasterImage::OnImageDataComplete(nsIRequest*, nsISupports*, nsresult aStatus,
// Let decoders know that there won't be any more data coming.
mSourceBuffer->Complete(aStatus);
// Do a synchronous size decode if mSyncLoad was set, or if we're running on a
// single thread (in which case waiting for the async size decoder could delay
// this image's load event quite a bit).
bool canSyncSizeDecode = mSyncLoad || DecodePool::NumberOfCores() < 2;
// Allow a synchronous size decode if mSyncLoad was set, or if we're running
// on a single thread (in which case waiting for the async size decoder could
// delay this image's load event quite a bit), or if this image is transient.
bool canSyncSizeDecode = mSyncLoad || mTransient ||
DecodePool::NumberOfCores() < 2;
if (canSyncSizeDecode && !mHasSize) {
// We're loading this image synchronously, so it needs to be usable after