From: Alex Deucher <alexdeucher@gm...> - 2005-05-29 22:06:00
On 5/28/05, Martin Kraus <martin.kraus@...> wrote:
> i've got ati card with mach64 chipset ( this is what lspci says:
> "0000:01:00.0 VGA compatible controller: ATI Technologies Inc Rage Mobili=
> AGP 2x (rev 64)" )
> it's got 4mb of memory and it's in an old ibm thinkpad x20 notebook. i tr=
> to get it to do direct rendering, at least to get glxinfo say Direct
> Rendering: Yes. i have to say i succeeded against all expetations by i h=
> two questions.
> 1) i understand that all i can do is 800x600x16bit, however the laptop ha=
> 1024x768 display and it seems somehow weird that it can't do this acceler=
> is there some way to use system memory to help the onboard graphics memor=
> am a total dummy when it comes to graphic cards)
until we have a decent memory manager and per-drawable buffers, we are
going to be stuck with the current behavior. Right now a static back
and depth buffer are allocated with the same size and depth as the
front buffer. That won't all fit in 4 MB at 1024x768.
> 2) normally i'm using debian testing with xfree86 4.3.0. glxgears in here=
> around 120-150 fps. when i use xorg with the dri support enabled, i get 2=
> fps. any idea why? i'm using the xorg glxgears and it's linked to the xor=
> libraries, so it shouldnt be it. any ideas?
make sure glxgears is using the right libGL. Take a look at this page:
> thanks for the help
> martin kraus