Hi Wojteck,
As a hardware sanity check you could just dual boot the machine with
Linux, this itself will bring its own learning curve, but at least
you'll have a setup that others have known work just fine.
Robert.
On Mon, Jun 30, 2008 at 3:24 PM, Wojciech Lewandowski
<[EMAIL PROTECTED]> wrote:
> Hi Everyone,
>
> I have done some OSG testing with Vista 64 bit + 2 x GeForce 8800 GTS 320 MB
> + 3 monitors. I have attached only 3 monitors but I am sure 4 would work
> either.
>
> Unfortunately results are mixed. I was able to start osgviewer and our demo
> app on 3 monitors. I was able to get some visual but after few frames driver
> was dying and after few moments Vista popped up with msgbox that graphics
> driver failed but now it is ok (or something like this). I may not have the
> power supply decent enough to provide the stable current so this crash could
> be power related. I will try to arrange some heavy duty power supply and
> redo the tests again later this week. Anyway it looks like at this stage
> results are more promising than with XP and two different GeForces.
>
> Cheers,
> Wojtek
>
>
>
>
> ----- Original Message -----
> From: Wojciech Lewandowski
> To: OpenSceneGraph Users
> Sent: Monday, June 30, 2008 10:34 AM
> Subject: Re: [osg-users] Rendering to multiple graphics cards
> Thanks, Bob.
> This is a relief ;-). I don't have the acces to similar Vista setup
> yet. Will try to grab two boards and do the checks this week.Will post a
> meesage with results when I am done.
>
> Thanks again.
> Wojtek
>
>
> ----- Original Message -----
> From: Bob Balfour
> To: OpenSceneGraph Users
> Sent: Sunday, June 29, 2008 2:32 AM
> Subject: Re: [osg-users] Rendering to multiple graphics cards
> I have two Nvidia 8800 cards on a Windows Vista platform (HP), and setting
> traits->screenNum to 0 or 1 as Robert indicated does send the rendering to
> the appropriate graphics cards. I used code very similar to the osgcamera
> example, multipleWindowMultipleCameras method.
>
> Does anyone have experience setting up a 4-monitor (each 1440x900) system on
> Windows Vista? I have 2 osgcameras/contexts rendering left-half/right-half
> of the scene. With 2 Nvidia graphics cards both in dual-head mode, if I
> render each camera to a viewport 2880x900 I'm hoping that the scene will be
> spread properly over the 4 monitors (will try it shortly once I round up
> four HD monitors), without configuring the "extending the desktop" option in
> Windows, which seems to take considerable resources in the dwm.exe task
> ("dynamic window manager"), which appears to have an OSG rendering
> performance impact. Anyone have similar experience here, or other
> configuration suggestions?
>
> Thanks.
>
> Bob.
>
> --------------------------------------------------------------------------------------
> Wojciech Lewandowski wrote:
>
> Hi Bob,
>
> Seems like you asked related question to mine. I would be very interested in
> your results. I tried to run osgviewer on two graphics boards withour
> success. But I was on XP and boards were different. I have not given up
> completely, hoping that Vista or identical cards may work. Then I have read
> your post and I see that you have exactly such setup. Does osgviewer outputs
> to monitors cards attached to both cards ?
>
> Cheers,
> Wojtek
>
> Hi Bob,
>
> Using the screenNum set to 0 or 1 should select the appropriate card.
> When you run osgviewer on your system it should open up two
> windows/two slave cameras automatically, press 'f' to toggle off full
> screen to see the actual windows.
>
> Robert.
>
> On Tue, Jun 24, 2008 at 8:56 PM, Bob Balfour <[EMAIL PROTECTED]> wrote:
>
> I also have an HP Windows (Vista) box with 2 Nvidia graphics cards
> (independent, not SLI-configured). In order to configure two osg::cameras,
> each one rendering to its own specific Nvidia card, how do you specify a
> camera graphics context for a specific graphics card. Is it simply
> specifying the appropriate traits->screenNum, or does it take more than
> that? Has anyone done this in Windows Vista?
>
> Thanks.
>
> Bob.
> --
>
> Robert E. Balfour, Ph.D.
> Exec. V.P. & CTO, BALFOUR Technologies LLC
> 960 So. Broadway, Suite 108, Hicksville NY 11801
> Phone: (516)513-0030 Fax: (516)513-0027 email: [EMAIL PROTECTED]
> "Solutions in four dimensions" with fourDscape(R)
>
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>
> --
>
> Robert E. Balfour, Ph.D.
> Exec. V.P. & CTO, BALFOUR Technologies LLC
> 960 So. Broadway, Suite 108, Hicksville NY 11801
> Phone: (516)513-0030 Fax: (516)513-0027 email: [EMAIL PROTECTED]
> "Solutions in four dimensions" with fourDscape(R)
>
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