Subject: Re: framebuffers
To: Gordon W. Ross <gwr@mc.com>
From: Chris Callanan <ccallana@vision.elee.calpoly.edu>
List: port-sun3
Date: 02/23/1996 09:26:43
The esteemed Gordon W. Ross, once spake:
> 
> > i was just running xbench, and realized how slow my cg4 in my 3/60
> > is...
> 
> That surprises me.  Is the cg4 the reason for performance?
> I would think the Xserver a more likely culprit.
> Does the machine have lots of RAM?

the cg4 came back with about 12,000 Xstones.  the machine has 24 megs
of memory.

of course, this is stil better than the 10,500 that my crappy PC video card
came back with.

> > and i see that cg6s and even cg8s exist for the P4 bus.
> > 
> > question is, are they worth it? and does netbsd have any plans to 
> > support them??
> 
> It is fairly easy to add support for new memory-mapped display
> boards.  One just needs to figure out how X expects the memory
> map for the device to be laid out (for mmap access).
> 
> Getting probe right is harder.  (I still don't have the probe
> quite right for some of the frame-buffer drivers...)
> 


what happens if probe is wrong???

--chirs


-- 
  Chris Callanan - CpE major       ccallana@gauss.elee.calpoly.edu 
              http://www.elee.calpoly.edu/~ccallana
         "The secret to happiness is high expectations 
              and your own bag of chips" --dogbert