On May 28, 2005, at 02:55 PM, David Niemeijer wrote:
I have been noticing that my G5 DP 2.5 Ghz slows down to extremes
when I have a Quartz Composer Viewer window open and another window
partly overlaps it. The Finder feels like 10.0 on a G3 266Mhz (or
actually worse) in such cases. I also see it with certain game
windows, for example, when Kill Monty (http://www.freeverse.com/
killmonty/) is used in windowed mode. Even when the game is not
being played (it is showing the high scores page) and a Finder
window partly overlaps my machine slows down. On 10.3.8 doing the
exact same has no negative impact on speed.
This is an issue on Tiger when a window overlaps an OpenGL context.
It appears to be a bug in the beam sync that Tiger enables by
default, because if you disable beam sync in Quartz Debug everything
works fine again.
--
Reality is what, when you stop believing in it, doesn't go away.
Failure is not an option. It is a privilege reserved for those who try.
David Duncan
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