[PD] [Gem] performance issues on ubuntu (no hardware accel?)

shift8 shift8 at digitrash.com
Tue Nov 28 00:47:14 CET 2006


type: glxinfo | grep "direct rendering"  on the console.  it'll tell you
Yes or No on DRI.

glxinfo | grep -i dri will tell you the driver

On Tue, 2006-11-28 at 00:32 +0100, Roman Haefeli wrote:
> hi derek
> 
> On Tue, 2006-11-28 at 00:01 +0100, derek holzer wrote:
> > Hi Roman,
> > 
> > I just wanted to get that out of the way. Just because glxgears runs 
> > doesn't mean that OpenGL is working and you actually have direct 
> > rendering.
> 
> i see...
> 
> >  Sorry I can't help more, since I've never gotten ATI cards to 
> > work properly with Linux. Glad at least those work for you! ;-)
> 
> this doesn't sound very promising.... :-/ for my part, i only figured it
> out how to setup with the help of detailed descriptions from the
> ubuntu-wikis and -forums.
> 
> since this topic seems not to be the easiest one, i would even be glad
> to hear some succes stories:
> 
> is anyone from that list using gem successfully on a system with
> installed fglrx-driver? i really hope, there are many gem-on-linux users
> around, so there is still hope :-)
> 
> roman 
> 
> 
> 
> > best,
> > d.
> > 
> > Roman Haefeli wrote:
> > > hi derek
> > > 
> > > as i mentioned in the original post, i *have* accelerated graphics on my
> > > computer, so glxinfo tells me:
> > > 
> > > 'direct rendering: Yes'
> > > 
> > > the problem i have in this specific case, that i suspect gem not to make
> > > use of the hardware acceleration, for whatever reason. i don't know of
> > > reliable way to check that yet, though (besides noticing that it is much
> > > slower than i would expect).
> > > 
> > > roman
> > > 
> > > 
> > > 
> > > On Mon, 2006-11-27 at 23:03 +0100, derek holzer wrote:
> > >> Hi Roman,
> > >>
> > >> Getting accelerated graphics from ATI cards on Linux has always been 
> > >> problematic with or without GEM.
> > >>
> > >> What does "glxinfo" (or "fgl_glxinfo"???) tell you? Look for the line 
> > >> which says:
> > >>
> > >> direct rendering:
> > >>
> > >> which should tell you "Yes" or "No".
> > >>
> > >> best,
> > >> d.
> > >>
> > > 
> > > 
> > > 		
> > > ___________________________________________________________ 
> > > Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de
> > > 
> > 
> > 
> 
> 
> 
> 
> 	
> 		
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-- 
Mechanize something idiosyncratic.






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