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Re: problems with refresh rate of Xwin at win2000prof
- From: "Khamenia, Valery" <V dot Khamenia at biovision-discovery dot de>
- To: "'cygwin-xfree at cygwin dot com'" <cygwin-xfree at cygwin dot com>
- Cc: "'pavelr at coresma dot com'" <pavelr at coresma dot com>
- Date: Wed, 26 Nov 2003 14:30:56 +0100
- Subject: Re: problems with refresh rate of Xwin at win2000prof
- Reply-to: cygwin-xfree at cygwin dot com
> How do you measure your refresh rate?
1Hz refresh rate one could measure by eye :)
> I never seen a monitor that worked with vertical refresh rate of 1Hz.
I do not speak about vertical refresh rate of monitor.
I mean refresh rate of Xwin itself
> According to man XWin, the correct option is -refresh.
you are right. It was just a typo in my email.
I've used "-refresh" of course.
> Which is valid when you run in fullscreen mode with DirectDraw engine.
I have used fullscreen mode.
is DirectDraw specified by -engine 4?
> You should try to run XWin -refresh xx -engine 4 -fullscreen.
the same. Exited :(
> Also, I don't think 25Hz is a valid refresh rate for any monitor.
well I see, probably "-refresh" *does* have something to do with vertical
refresh rate.
Indeed, i've tried 75Hz and it doesn't exit!
Then my questions are:
1. why repainting rate is so low?
e.g.,
2. how could I get quicker redraw of the window while dragging it?
(I do not immediatelly believe that it is a Ethernet card latency problem)
kind regards,
Valery A.Khamenya
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Bioinformatics Department
BioVisioN AG, Hannover