Low OpenGL performance

[Rudolf Kastl]

2006/2/24, Dawid Gajownik <gajownik at fedora.pl>:
> Dnia 02/22/2006 01:31 PM, Użytkownik Joachim Frieben napisał:
> > After installing FC5T3 including updates on 2 different machines, I am
> > puzzled by the surprisingly poor OpenGL performance when running the
> > "glxgears" command
>
> Mesa does not enable compiler optimisations by default:
> http://cvs.freedesktop.org/mesa/Mesa/configs/linux-dri (see the log next
> to the 1.12 revision)
> http://sourceforge.net/mailarchive/forum.php?thread_id=5432450&forum_id=5154
>
> I spotted this when I was testing modular X.Org X11 in September 2005. I
> also wrote an email about it to Mike A. Harris , but I did not get an
> answer ;)
>
> Mesa seems to be built with `-Wall -O -g' flags. You may want to
> download srpm and modify configs/default/linux-dri file. Changing
> OPT_FLAGS variable to the output of `rpm --eval %{optflags}' command may
> resolve your problem.
>
> Unfortunately, I cannot test it because I have nVidia crap and nv driver
> does not support 3D acceleration [1]. Hopefully, I'll swith soon to ATI
> RADEON 8500 :)
>
> [1] It would be great if someone could port BeOS driver to X.Org X11
> http://haikunews.org/1050
> https://bugs.freedesktop.org/show_bug.cgi?id=5190#c5
>
> --
>
>    ^_*
>
>
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>

hacking the flags in statically to the file isnt a proper solution.
there must be a way to do that with a variable etc...
i am going to look into the stuff this evening and will report back to
that thread once i have sent a patch to bugzilla.

regards,
rudolf kastl