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? :)


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

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