On Mar 19, 2011, at 11:29 AM, Markus Spoettl wrote:
> In my document based application, when started (by clicking on the dock icon
> or otherwise), the icon's startup bounce motion interrupts near the top of
> the animation, stays there for around 0.3 - 0.5 seconds and then the icon
> drops to the base position instantly.
OK, shortly after clicking send I had an idea how to figure out what it might
be caused by, and now I got closer: I have a layer hosting view in my document
window, the view is layer hosting is switched on in -awakeFromNib
- (void)awakeFromNib
{
[self setLayer:scopeLayer];
[self setWantsLayer:YES];
}
scopeLayer is created and set up in the view's -initWithFrame:. This is causing
the bounce-pause. When I remove these lines, bouncing works. Of course my view
doesn't.
Now it gets really interesting: I've found that switching off "Automatic
graphics switching" in the Energy Saver Preferences gets rid of the issue. So
making the view layer hosting switches the graphics mode to the dedicated
hardware. Why I don't know, it happens regardless of what the layer really is
setup with, even if it never gets any content.
Is that a hardware issue then? Can someone recreate this on their hardware?
Regards
Markus
--
__________________________________________
Markus Spoettl
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