On May 15, 2005, at 8:39 PM, Steve Christensen wrote:
According to the above doc, only apps linked against 10.4 will use
the "automatic" beam sync. It is definitely a bug in CGS: all
apps are being force-synchronized (regardless of executable link),
and unfortunately this feature SUCKS to begin with. Anything
forcibly imposed on developers further restricts our ability to
provide high-performance without making constant workarounds for
these "conveniences". If the API were nicely rolled into CG,
NSScreen, etc, then it would be more useful. If this behavior was
in fact only enabled by the link version of the executable, I'm in
luck, because I can build just the executable with Panther, and
everything else with Tiger if necessary, hopefully avoiding this
sync issue.
On a good note, using Quartz Debug to turn off beam synchronization
globally actually makes Tiger seem fast, like Panther. I'm never
turning it back on... ;)
What benefit are you enjoying by refreshing your window faster than
the screen can keep up with you?
Scott
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