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Efficiency improvements to consolidate display events for the window-less preload range.

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This commit is contained in:
Scott Goodson
2015-11-08 17:04:13 -08:00
parent 7f59beb195
commit 9669f147ba
4 changed files with 68 additions and 30 deletions
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7
AsyncDisplayKit/Private/ASDisplayNode+AsyncDisplay.mm
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@@ -303,10 +303,9 @@ static void __ASDisplayLayerDecrementConcurrentDisplayCount(BOOL displayIsAsync,
// for async display, capture the current displaySentinel value to bail early when the job is executed if another is
// enqueued
// for sync display, just use nil for the displaySentinel and go
//
// REVIEW: what about the degenerate case where we are calling setNeedsDisplay faster than the jobs are dequeuing
// from the displayQueue? do we want to put in some kind of timer to not cancel early fails from displaySentinel
// changes?
// FIXME: what about the degenerate case where we are calling setNeedsDisplay faster than the jobs are dequeuing
// from the displayQueue? Need to not cancel early fails from displaySentinel changes.
ASSentinel *displaySentinel = (asynchronously ? _displaySentinel : nil);
int64_t displaySentinelValue = [displaySentinel increment];