Re: svgalib and verite chipsets.

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From: Conan Ford (cford@cnnet.com)
Date: Mon 12 Oct 1998 - 21:13:41 IST


Matan Ziv-Av wrote:
> 
> > vbetest in all modes that I tried resulted in a blank screen.  mode3 had
> > no effect.  I've sent a message to subscribe to the linux-svgalib
> > mailing list at vger.rutgers.edu.  I'm going to play around with the
> > rest of the modes that I didn't try yet in vbetest.
> 
> Don't bother with more modes, but if you can strace one run of
> vbetest, and of mode3, and send me the results, it might help.

What is the strace mode of vbetest?  Perhaps I am running vbetest wrong.

> 
> > Actually I run in software mode in win95 as well.  In LINUX it is a
> > problem with the card as I can visibly see the screen updating (I can
> > see the changes propogate from top to bottom).  I get 23 fps in
> > _software_ mode in win95, and 10 fps in svgalib in linux in quakeworld.
> 
> Is that in 320x200? that's wierd, since svgalib does nothing after
> setting the mode. It's all quake's work.

Yep, that's 320x200.  This is using VGA mode in svgalib, btw.

> 
> > I have a Diamond Stealth II S220  (Rendition V2100 chip), and more than
> > a few hours to spare over the next few months, and although I am
> > experienced with C programming, know little about hardware programming.
> 
> It takes no knowledge of hardware programming, but simply translating
> from the X source to the svgalib driver. If you don't have source, but
> you do have chipset data, then you need to understand things in order
> to write a driver.
> 
> When the source becomes available (SUSE say they provide their sources
> to XFree86, so it should be in the next XFree86 release), I can send
> you cookbook instructions on writing a driver if you want.

Okay, I'm willing to give it a try when the XFree86 sources come out
from SuSE.


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