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Fixed: of course I can't rely on the pointer to CVTimeStamp not becoming dangling during a queue jump.

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This commit is contained in:
Thomas Harte 2016-03-19 23:02:42 -04:00
parent 4c5d66c317
commit eabc382540
1 changed files with 2 additions and 1 deletions

3
OSBindings/Mac/Clock Signal/Views/CSOpenGLView.m

@ -55,8 +55,9 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
const uint32_t activityMask = 0x01;
if(!OSAtomicTestAndSet(activityMask, &_updateIsOngoing))
{
CVTimeStamp time = *now;
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
[self.delegate openGLView:self didUpdateToTime:*now];
[self.delegate openGLView:self didUpdateToTime:time];
[self drawViewOnlyIfDirty:YES];
OSAtomicTestAndClear(activityMask, &_updateIsOngoing);
});