Dear all,
Many thanks to all of those involved in getting the DRI working on the
Savage.
I just installed yesterday the 20040718 snapshot on a laptop with a
Twister-K running an up-to-date Debian Testing. The installation went
without a hitch once I realised there's an automated installation
script (I'll read the README next time).
A nice side-effect of the installation is decent XVideo support (the
stock XFree86 server does nearest-neighbour scaling).
There are just two minor issues. I've managed to get it to lockup
twice (X server frozen with 100% cpu, the system can be rebooted
remotely), but haven't been able to reproduce the problem since.
The other issue is more annoying: there is visual noise whenever there
is significant OpenGL activity in a full-screen window (rendered at
640x400, scaled to 1024x768); this happens both with amoeba and
MPlayer. There is no such problem with 640x400 windows.
Oh, a few questions if any of you have got time. Without any
customisation, the server reports that it found an AGP 4x chipset, but
runs in AGP 1x. Setting the server to AGP 4x in the XF86Config
appears to work. Could anyone explain what's going on? (Oh, and what
is it supposed to speed up? Texture upload?)
The server complains it cannot open /dev/agp_bios (I'm running devfs),
but doesn't seem to mind. What's that?
Finally, does anyone know what scaling algorithm is used by the XVideo
implementation? It looks like nearest-neighbour when downscaling,
bilinear when upscaling by a reasonable amount, and linear in the Y
direction when upscaling a lot.
Thanks,
Juliusz Chroboczek
P.S. I'll try to check the list archives, but please be so kind as to
CC me with any replies.
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