On Wed, Jul 25, 2001 at 02:51:20PM +0700, Dmitry Yu. Bolkhovityanov wrote:
Hi!
Forgot to ask before: what's the performance problem with XQueryPointer?
Is it because this query syncs the X connection, or something else?
Yes.
And how did you notice it?
By reading the documentation :-)
I have only 10/100Mb ethernet and can't correctly slow it
down to effectively simulate modem connection, so haven't noticed any
problems.
I have spent a lot of time to make the move/resize code work as
smooth as possible. With too much stuff going on over the
network this becomes jerky. A single call causing network
traffic does not slow things down much, but it accumulates with
other calls. Fvwm once became so slow that moving was very
jerky, even with the X server on the local machine. Since then
I allways look at new code in the move/resize loops twice.
Anyway, yesterday's commit drastically reduces the number of
XQueryPointer calls. It allows to pass in an event that may hold
the last pointer position. The position is taken from the event
if possible and only queried if the event does not have this
information.
Bye
Dominik ^_^ ^_^
--
Dominik Vogt, [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
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