On Thu, 24 Feb 2005 08:03:36 +0100, Jorge wrote in message
> On Tue, 22 Feb 2005 11:09:04 +0000
> Steve Hosgood wrote:
> > If I just type "fgfs" or "fgfs --disable-sound", all I get is the
> > splash screen and plenty of disk-grinding noises followed by the
> > splash-screen disappearing and the single-word message "Killed" on
> > stdout. (I tried the --disable-sound option to try and avoid
> > possible troubles with OpenAL).
> > (...)
> > It does seem that the length of time between the splash-screen
> > appearing and the "killed" (or "aborted") message might be dependant
> > on the amount of RAM (or maybe the amount of swap) available.
> Actually, I've seen the exact same behaviour, and even managed to see
> how fast RAM was being filled, by switching to a terminal and using
> the "top" command.
> My system :
> P4 2.4GHz
> 1Gb RAM, 800Mb swap
> ATI Radeon Mobility 9000
..' lspci -v |grep -A 15 VGA '?
(My 9250 on DRI is reported as a 9200 PRO)
> Mandrake 10.1
> Linux kernel 22.214.171.124
> xorg 6.7.0, "radeon" open-source driver
> When the fgfs process reached 1.8Gb, it got killed by the kernel's
> "out-of-memory killer" (I saw it in /var/log/messages afterwards).
> glxinfo said that direct rendering was enabled, but my fgfs (CVS
> compile from a few days ago) behaved the same as Steve's. I haven't
> had a chance to try it with Simon's suggestion (disabling dlists) yet.
> However, I have managed to make ATI's closed-source "fglrx" driver
> work now, and have had a nice increase in the framerate, compared to
> what I had with the "radeon" driver on XFree86 4.3.0 (which I had
> before I switched to xorg).
> Here's a table to sum up what I have found using different drivers
> (fgfs figures are for sparse areas, at a reasonable altitude i.e. near
> the ground or on the ground, and for a default visibility value).
> without acceleration
> glxgears ~240fps, fgfs ~1fps
> XFree86 4.3.0, open-source "radeon" driver
> glxgears ~2100fps, fgfs ~5-25fps depending on view direction (?)
> I usually had to disable specular highlight...
> xorg 6.7.0, open-source "radeon" driver
> glxgears ~2180fps, fgfs ~35-50fps (yay!!)
> specular highlight enabled
> All this may point to the fact that the 3D driver is often responsible
> for these drops in framerate, maybe because of unsupported features
> that make the driver fall back to indirect rendering.
> Which brings us back to try and detect features at runtime ? Is this
> possible ?
..yes, even while booting up the box; for an example, boot a knoppix
with ' expert ' on the boot command line.
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
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