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Re: Low OpenGL performance



2006/2/22, Tom Brinkman <tbrinkman sbcglobal net>:
> On Wednesday 22 February 2006 08:57, Joachim Frieben wrote:
> > Yes, for the "nv" driver, you do not obtain any hardware
> > acceleration at all.
>
>    Not quite true, an hasn't been for several years. What you don't
> have with 'nv' is direct rendering (DRI). Needed for 3d/accel games.
> Prior to SGI's contributions a few years ago, 'glxgears' wouldn't
> even run at all.
>   (from glxinfo)
> display: :0  screen: 0
> direct rendering: No
> server glx vendor string: SGI
> server glx version string: 1.2
>
> > So, the values are still reasonable for pure
> > soft rendering and equivalent for my own older hardware with "DRI"
> > enabled!
> >
> > > I get 160/170 on nvidia [Quadro4 NVS AGP 8x].  Standard "nv"
> > > driver, no nvidia driver.
>
>    GeF4, nv driver, Athlon XP 3200+/400.. 380 / 390fps on the small
> default window, but when run full screen, 1280x1024-24 it drops to
> 27 / 30fps.
>
> --
>         Tom Brinkman                  Corpus Christi, Texas
>
> --

umm care to elaborate what is hardware accelerated by the gpu with
software rendering and the nv driver if the cpu does all the
rendering?

regards,
Rudolf Kastl

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