Re: X-server Stereo on RE2
Ed Millard (millard++at++hawkeye.newport.sgi.com)
Thu, 9 Feb 1995 12:59:00 -0800 (PST)
>
> Hello...
>
> After upgrading an Onyx/RE2 and a Crimson/VGXT to Irix 5.3, I was eager
> to try some code posted on this list a while back which uses the X server
> to handle some of the stereo functions. The program posted was
> 'softstereo.c', and it was posted by Ed Millard of SGI on Nov. 15 on last
> year (and many thanks to the folks keeping the list archived!). It works
> as written on the Crimson/VGXT, but not on the RE2.
>
> On the Crimson the display switches to stereo (and the light on the Crystal
> Eyes emitter box comes on), it displays a window, and returns, resetting
> the monitor. On the Onyx, the monitor appears to copy the bottom half of
> the screen to the top, but it doesn't switch to stereo mode, and it doesn't
> return the monitor to the regular mode after it exits. The return codes
> printed are the same on both machines.
>
> Interestingly, if I replace the setmonitor(STR_BOT) line with
> setmonitor(STR_RECT) on the Onyx, the monitor does go into stereo mode.
> However, if I read the man pages correctly, I can't use the X server stuff
> this way. The other stereo tests I have tried work fine on the Onyx
> (nestedcubes from 4Dgifts, etc.).
>
> Any suggestions would be most appreciated.....
You really want to use stereo-in-a-window on a RealityEngine, instead of
the Xsgi extension. Its better quality and maintains a normal aspect ratio.
The XSGI extension is more for the lower end graphics options.
Stereo-in-a-window support is already provided with performer.
=============================================================================
Ed Millard | 18201 Von Karman Avenue
Silicon Graphics Inc. | Suite 100
Developer's Support Group | Irvine, CA 92715
millard++at++sgi.com | (714) 756-5975
=============================================================================
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