https://bugs.freedesktop.org/show_bug.cgi?id=40401
Pavel Ondračka <pavel.ondra...@email.cz> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |NOTOURBUG
--- Comment #2 from Pavel Ondračka <pavel.ondra...@email.cz> 2011-08-26
23:17:40 PDT ---
(In reply to comment #1)
> (In reply to comment #0)
> > The game Cogs is very slow with the r300g (and r600g) driver. This was
> > originally mentioned in bug 39572, however that bug was about different
> > problem
> > and is already closed. There are two experimental patches for r300g and
> > r600g
> > in that bug, so I'm opening a new bug to keep track of them. Setting
> > component
> > to mesa core because the problem seems to be in u_vbuf_manager.
> >
>
> I think it's not a mesa problem, it's a problem of the game which uses opengl
> in the way which is clearly described in the gl spec as the way to get reduced
> performance. This patch is a workaround for the game problem and it was
> written
> just to check that I located the problem correctly. All other (properly
> optimized) apps won't benefit from this patch, probably they'll become a bit
> slower due to additional overhead with this workaround. That's why I'm not
> sure
> that I want to submit such patches to mesa.
>
> The best solution is to fix the game itself, so I think it makes sense to ask
> the game developers about it (or to open the sources).
OK, I've posted about this at Cogs forums:
http://forum.lazy8studios.com/index.php?topic=532.0
we shall see what can Cogs developers say about this.
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