[ale] Dual-headed displays and X.org...

[Dow_Hurst]

Michael,
Twinview is strictly an nvidia option.  I wasn't aware that intel graphics would do OpenGL acceleration natively.  Don't you have to use Mesa for software based OpenGL when you have an intel graphics chipset?
Dow

-----Original Message-----
>From: "Michael B. Trausch" <fd0man at gmail.com>
>Sent: Nov 8, 2006 2:32 PM
>To: Dow_Hurst <Dow.Hurst at mindspring.com>
>Cc: Atlanta Linux Enthusiasts <ale at ale.org>
>Subject: Re: [ale] Dual-headed displays and X.org...
>
>On Wed, 2006-11-08 at 14:20 -0500, Dow_Hurst wrote:
>
>> Ati or Nvidia? Twinview under Nvidia usually makes this easy to setup. 
>>  I don't know much about ATI settings.  Xinerama settings would be
>>  where to look when trying to unify the desktop if you don't use
>>  Twinview.  Newer versions of Xorg have Xinerama enabled for OpenGL
>>  acceleration.  I don't think older versions will allow this.  Maybe
>>  you need Xorg 8.6.9?  Anyone comment on this? Thanks, Dow
>
>
>Neither, actually.  The driver that this system uses is i810 for X11,
>and i915 for the kernel (see below).  Also, I am running Ubuntu Edgy
>Eft, see the version information for X11, also below.
>
>My searching around hasn't helped very much, it seems that there are a
>lot of posts that say "how to" for particular configuraitons, but don't
>give a nice overview of it.  I will search for the TwinView/Xinerama
>that you mentioned, maybe I will even be able to fix the crashing
>problem.  I don't want to have to disable 3D accelleration, but I have
>considered that to be a possibility if I can't get it to work?after all,
>this is my primary system and I need it for work more than play.  It
>will just slow some of the rendering down, but I could live with that.
>
>    -- Mike
>
>fd0man at pepper:~[0]$ lsmod | grep '^i[9n]'
>i915                   21632  2 
>intel_agp              26012  1 
>fd0man at pepper:~[0]$ 
>
>fd0man at pepper:~[0]$ cat /etc/X11/xorg.conf|grep Driver|grep 810
>        Driver          "i810"
>fd0man at pepper:~[0]$ 
>
>fd0man at pepper:~[0]$ dmesg|grep agp
>[17179581.520000] Linux agpgart interface v0.101 (c) Dave Jones
>[17179581.544000] agpgart: Detected an Intel 915GM Chipset.
>[17179581.544000] agpgart: Detected 7932K stolen memory.
>[17179581.564000] agpgart: AGP aperture is 256M @ 0xb0000000
>fd0man at pepper:~[0]$ 
>
>fd0man at pepper:~[0]$ xdpyinfo|head -5
>name of display:    :0.0
>version number:    11.0
>vendor string:    The X.Org Foundation
>vendor release number:    70101000
>X.Org version: 7.1.1
>fd0man at pepper:~[0]$ 
>


No sig.