Subject: Re: Ultra 5 X11
To: Gert Doering <>
From: Martin Husemann <>
List: port-sparc
Date: 02/10/2005 10:08:24
On Thu, Feb 10, 2005 at 09:57:49AM +0100, Gert Doering wrote:
> How does "accellerated wscons" work?  I thought wscons just presents
> a dumb frame buffer device to the X server?  Or can XFree86 figure out
> "hey, behind this wscons, it's hiding an Mach64 chip, so let's use the
> XFree86 hardware driver"?

 (a) wscons can use acceleration, if the kernel display driver provides
     them. Michael made machfb do so.
 (b) XFree just accesses the card directly (and uses acceleration too).
     The kernel driver only allows it to mmap the frame buffer *and*
     the controll registers.