[ltp] T42p / FireGL T2 / Render Acceleration

Alex Deucher linux-thinkpad@linux-thinkpad.org
Mon, 25 Sep 2006 11:58:26 -0400


On 9/24/06, Laurent Gilson <pumpkin@gmx.de> wrote:
> Hello,
>
> > I'm using Debian/Sid, which contains the libgl-mesa-dri passage with
> > what appears to be a relatively recent CVS (version is
> > 6.5.0.cvs.20060524-1) package of the r300_dri driver, as well as a
> > recent ati driver. Direct rendering works fine.
>
> DRI and 3D are two different things: you can have DRI working (fast 2D)
> but 3D "failing" (mesa software renderer fallback).

DRI and 3D are the same thing.  Render and and 3D/DRI are not
(although they both use the 3D engine).  The open source radeon driver
supports 3D on r1xx through r4xx chips.  render acceleration is only
supported on r1xx and r2xx chips.

Alex

>
> > My question is: Is the above message from X.log the expected for this
> > hardware
>
> Yes. ATI never told anybody how these chips work (and your card is based
> on one of those).
>
> > , so that there's no support for acceleration right now, or can
> > I get my hands on a newer driver?
>
> You can install an OLD version of the closed-source ATI driver. Do not use
> a recent version as ATI has dropped support for these cards (3D and 2D).
>
> cu