Re: Advice wanted about CS/OpenGL and a system using Optimus

I tried disabling optimus but it gave awful 2D performance. Seems the
nvidia Quadro 1000M
is not very good for 2D or else something else is misconfigured there.

So I had to enable Optimus again.

Thanks for the optirun suggestion. I will try that out.

Greetings,

On Thu, Jun 21, 2012 at 6:55 PM, Scott Johnson <[email protected]> wrote:

> I have had similar experiences with Optimus. I disable it in my bios
> for this reason. It sounds like you already did that.
>
> One suggestion I have is that I see many folks online seem to be using
> "optirun", e.g.
>
> http://stackoverflow.com/questions/7878955/how-can-i-change-how-eclipse-invokes-gdb-in-linux
>
> Maybe it's required to get the driver functioning correctly. Have you
> tried using that to run walktest?
>
> ~Scott
>
> On Thu 21 Jun 2012 10:10:30 AM CDT, Jorrit Tyberghein wrote:
> > Well the thing is, I did disable Optimus in my BIOS so nVidia was the
> > only card available but then
> > 2D performance was really horrible...  So before I decide to go the
> > laptopvideo2go route I need
> > to make sure my 2D performance doesn't go to the drain. Either by
> > still allowing Optimus even with
> > the laptopvideo2go drivers or else by making sure 2D performance is
> > fine with nvidia too.
> >
> > Problem is that I can't find any information confirming (or otherwise)
> > this and I'd rather not start
> > messing on this level before making absolutely sure it will be ok
> > afterwards.
> >
> > Greetings,
> >
> > On Thu, Jun 21, 2012 at 5:05 PM, Weltall <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> >     Actually jorrit that's why gamers despise optimus while heavy mobile
> >     users and casual gamers love it. It's unreliable also on windows
> >     that's the main issue of it (aside from the performance loss related
> >     to the technology design itself). The things you describe is the
> >     normal workflow of any user of optimus even with commercial games, so
> >     I'd not be sure the blame is of cs. Anyway default should let the
> >     system choose what it regards as the best approach and it might even
> >     not be nvidia, but for sure the gdi thing seems a fault in the driver
> >     itself IMHO.
> >     I'd say to check if there are more up to date drivers from some oem
> >     with similar setup (i'd check laptopvideo2go if they have something)
> >
> >     2012/6/21 Jorrit Tyberghein <[email protected]
> >     <mailto:[email protected]>>:
> >     > Hi all,
> >     >
> >     > I got a new laptop which has both an nVidia card (Quadro 1000M)
> >     and an Intel
> >     > Graphics card. A
> >     > system called 'Optimus' makes sure the best card is selected for
> >     any given
> >     > application (this is
> >     > a Windows7 system). As such this works relatively well but it is
> >     giving CS a
> >     > few problems. I have
> >     > three possible scenarios:
> >     >
> >     > 1. There is a configuration tool from nvidia that allows you to
> >     select which
> >     > 3D card to use for
> >     >    any application. By default it is set to use nvidia. If I add
> >     > walktest.exe to the list and tell the configuration
> >     >    tool to use intel graphics then walktest does indeed use
> >     intel graphics
> >     > and runs fine (but with intel
> >     >    graphics instead of nvidia). The following renderer is then
> >     shown by CS:
> >     >       OpenGL renderer: Intel(R) HD Graphics Family (vendor:
> >     Intel) version
> >     > 3.1.0 -
> >     >       Build 8.15.10.2559
> >     >
> >     > 2. If I switch back to the default for walktest (which should be
> >     nvidia)
> >     > then when I start walktest it
> >     >    actually uses GDI renderer (software):
> >     >       OpenGL renderer: GDI Generic (vendor: Microsoft
> >     Corporation) version
> >     > 1.1.0
> >     >
> >     > 3. If I then run walktest inside gdb to see what's wrong it
> >     finally uses
> >     > nVidia!!!
> >     >       OpenGL renderer: Quadro 1000M/PCI/SSE2 (vendor: NVIDIA
> >     Corporation)
> >     > version
> >     >       4.1.0
> >     >
> >     >
> >     > So why is my system switching to software GDI UNLESS the CS
> >     application is
> >     > run inside
> >     > gdb?
> >     >
> >     > Anyone who can give me any insights into this mysterious problem?
> >     >
> >     > Greetings,
> >     >
> >     >
> >     >
> >     >
> >     > --
> >     > Project Manager of Crystal Space (http://www.crystalspace3d.org)
> >     > and CEL (http://cel.crystalspace3d.org)
> >     > Support Crystal Space. Donate at
> >     > https://sourceforge.net/donate/index.php?group_id=649
> >     > Personal page: http://users.telenet.be/jorritTyberghein/
> >     >
> >     >
> >
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> > --
> > Project Manager of Crystal Space (http://www.crystalspace3d.org)
> > and CEL (http://cel.crystalspace3d.org)
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-- 
Project Manager of Crystal Space (http://www.crystalspace3d.org)
and CEL (http://cel.crystalspace3d.org)
Support Crystal Space. Donate at
https://sourceforge.net/donate/index.php?group_id=649
Personal page: http://users.telenet.be/jorritTyberghein/

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