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Fixed error that would prevent an interrupting frame from ever being drawn.

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This commit is contained in:
Thomas Harte 2016-05-18 21:45:35 -04:00
parent 8c7ce1ec3f
commit 3765c5fbb5
1 changed files with 1 additions and 1 deletions
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2
OSBindings/Mac/Clock Signal/Views/CSOpenGLView.m
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@ -69,7 +69,7 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
// Draw the display only if a previous draw is not still ongoing. -drawViewOnlyIfDirty: is guaranteed
// to be safe to call concurrently with -openGLView:updateToTime: so there's no need to worry about
// the above interrupting the below or vice versa.
if(!OSAtomicTestAndSet(drawingMask, &_updateIsOngoing) && _hasSkipped)
if(_hasSkipped && !OSAtomicTestAndSet(drawingMask, &_updateIsOngoing))
{
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
[self drawViewOnlyIfDirty:YES];