r128 or new card

Ondrej Zary linux at rainbow-software.org
Tue Jun 24 14:24:53 PDT 2008


On Tuesday 24 June 2008 22:42:44 you wrote:
> On Tue, Jun 24, 2008 at 3:27 PM, Ondrej Zary <linux at rainbow-software.org> 
wrote:
> > On Tuesday 24 June 2008 20:32:34 Corbin Simpson wrote:
> >> Alberto Hernando wrote:
> >> > El Lunes, 23 de Junio de 2008 06:02, Alex Deucher escribió:
> >> >> IIRC the gl requirements of the mplayer gl output are probably more
> >> >> than the r128 3D engine can handle without software fallbacks, and
> >> >> I'd imaging you are hitting quite a few.
> >> >
> >> > Hi.
> >> >
> >> > If this is so, considering that glxgears asks for a lot of cpu too...
> >> > does it mean that the driver lacks a few features?
> >> > OTOH, I've built the same in another box. It's one with and igp9100
> >> > chipset. And I get more or less the same: glxgears not too fast (I
> >> > don't have numbers, sorry) but also asking for a lot of cpu. That one
> >> > is ati-6.8.191. But in this case what I really want is tv-out, so I
> >> > don't care much.
> >>
> >> Gears Is Not A Benchmark. :3
> >>
> >> mplayer -vo gl is slow for a handful of reasons; typically, mplayer -vo
> >> gl2 will be much faster. I don't know which one will perform better on
> >> the r1xx series; it's entirely possible that both of them require
> >> features that the r1xx just doesn't support.
> >>
> >> However, on Radeons, Xv is always going to be fastest because it uses 3D
> >> engine code directly, without going through DRI, and it should be quite
> >> suitable for your needs.
> >
> > Xv is best on Rage 128 too. Last time I tried it, there was a problem
> > with 16MB card - Xv acceleration didn't work when DRI was enabled -
> > looked like driver limitation.
>
> Depends on the size of your screen.  Currently the front, back, and
> depth buffers are statically allocated when the DRI is active so that
> doesn't leave much ram left over for things like Xv.

That was at 1280x1024. I had to change the card because of this. Is that 
limitation of the driver? Is a "memory manager" (like TTM) going to fix 
problems like this one? (I hate to change hardware because of a software 
problems.)

>
> Alex



-- 
Ondrej Zary


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