Re: Mach64 support for non-power-of-two textures

> From: [email protected]
> To: [email protected]
> Date: Tue, 18 Sep 2007 17:50:12 +0200
> CC: [email protected]
> Subject: Re: [Dri-users] Mach64 support for non-power-of-two textures
> 
> Hi again,
> 
> > > Secondly, the four megs of video-ram are only sufficient for a 960x720x16
> > > resolution, which looks somewhat blurry on my laptop. Native resolution
> > > of 1024x768x16 requires 4.5 MB of video ram, including z-buffer. Would it
> > > be possible to offload any of the buffers (i.e. back-buffer or z-buffer)
> > > to system ram? If necessary, i could dig some more into the drivers
> > > code...
> >
> > This is one of those things that could be solved with the new memory
> > manager.  You could either allocate per drawable back/depth buffers or
> > potentially but the buffers in AGP memory.  Some just needs to do the
> > work.
> >
> 
> Has anybody found some time to work on this (opposed to myself)? Just checked 
> the git-repo on freedesktop.org, but it seems not much has changed...
> 
Hi,

There was some talk about compiz getting an XRENDER output plugin, in 
addition to the current GLX output code, which I think is a more reasonable
plan for getting compiz on mach64.

So, you could test that mach64 XRENDER acceleration still works with 
the new and improved EXA (see http://wiki.x.org/wiki/ExaStatus). Use:
- xserver: no-pci-rework branch
- xf86-video-ati: master

If you want to test with xserver HEAD, you must also test if pci-rework works
(starts and sets /proc/mtrr correctly). Use:
- xserver: master

- xf86-video-ati: pci-rework branch

regards,
George.



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