[compiz] --skip-gl-yield

David Reveman davidr at novell.com
Mon Apr 23 07:56:55 PDT 2007

On Sat, 2007-04-21 at 19:32 -0300, okasion wrote:
> >>On Thu, 2007-04-19 at 11:25 +0100, Joel Calado wrote:
> >> Beryl has a --skip-gl-yield ( I think now managed by
> --force-nvidia,
> >> dont really know though), that eases the use of beryl under heavy
> CPU 
> >> load.
> >>
> >> Is this implemented in compiz? Cause compiz is _REALLY_ slow under
> >> heavy cpu use for me.
> >That's a driver specific trick that doesn't belong in compiz.
> Setting 
> >__GL_YIELD manually as some people have already suggested >should do
> the
> >same thing and you're of course free to patch compiz so it does >this
> >automatically if you find that useful but a patch like that is
> likely 
> >never going to be accepted upstream.
> >
> >- David
> I'd like to add that before Compiz 0.3.6, the __GL_YIELD fix worked
> without problems for most people, but after this version, the fix
> didnt work anymore using --indirect-rendering, which is a need for
> some people like me, that gets better performance results without
> using direct rendering. 
> This has already been discussed many times, but we are still affected
> by this problem.

What problem? If I remember correctly --strict-binding was made default
in 0.3.6 and you have to pass --loose-binding to get more efficient
behavior that was default before. Could this be related?

I don't think the __GL_YIELD trick will ever make a difference if you
use indirect rendering.

- David

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