Re: [Mesa3d-users] Render speed...

[Brian P. <br...@va...>]

Simon Lemieux wrote:
> 
> Hi,
>         I just got my 3Dfx working and now I'm trying to add some effects to my
> programs.  I'm currently trying to add some motion blur, might do some antialias
> effects (one or the other...).  And the motion blur works great!... except that
> it's really slow.  I was wondering if there any speed issues for the accum
> buffer?  I mean when I turn it off it renders ~100 FPS and when I turn it on it
> renders ~5 FPS...
> 
> Is the accumulation buffer only for image rendering and not real time?

Accumulation buffers have been implemented in hardware and can
be suitable for real-time rendering effects.

Mesa's accum buffer is implemented in software and despite being
somewhat optimized, is still rather slow.

-Brian