On Sat, 2002-06-15 at 19:27, Keith Whitwell wrote: 
> Michel Dänzer wrote:
> > On Thu, 2002-06-13 at 08:34, Keith Whitwell wrote: 
> > 
> >>Leif Delgass wrote:
> >>
> >>>CVSROOT:   /cvsroot/dri
> >>>Module name:       xc
> >>>Repository:        xc/xc/programs/Xserver/hw/xfree86/drivers/ati/
> >>>Changes by:        ldelgass@usw-pr-cvs1.   02/06/12 20:48:11
> >>>
> >>>Log message:
> >>>  Fixed and enbled 2D acceleration.  Also ATIDRIInitBuffers and ATIDRIMoveBuffers
> >>>  are now implemented with XAA accel functions.  We still have some problems
> >>>  with the scissors being updated (Mesa driver problem?) which can be seen when
> >>>  moving windows.  We're only allocating 128 scanlines for pixmap cache and
> >>>  offscreen pixmaps for XAA.  We should probably allocate a whole viewport's
> >>>  worth, but this will leave very little if any local texture memory for some
> >>>  cards (e.g. 4MB cards).  We might need a config option there.
> >>>
> >>Have a look at the tdfx driver -- it dynamically allocates/deallocates 2d 
> >>pixcache according to whether there are any 3d clients -- so you get decent 2d 
> >>performance in the non-3d case.
> >>
> >>It's done in the 2d driver, search for "Transition" and "2D" or "3D".
> >>
> > 
> > Is there anything that keeps us from doing this in the radeon driver as
> > well? :)
> 
> Nothing.  Go for it.

I was afraid you were going to say that. :) Actually, it doesn't really
bother me, someone else will probably beat me to it.


-- 
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast

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