Re: multi-channel performer setup using ircombine

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Eric Kunze (ekunze++at++yacko)
Wed, 29 Jan 1997 14:07:53 -0800

Chris,

Probably what is happening is that you are not running ircombine as root. If
you don't run as root, everything will appear to work fine until you try to
download the combination at which time you get a BadValue error. There is a
bug filed to make this error message report a useful error, instead of
BadValue.

Eric

> Hi-
> I am *trying* to use ircombine to do something useful on my onyx iR. I
> want a performer application I'm developing to be able to draw up to
> five channels in five viewports within a window, and have the physical
> displays mapped onto each of the viewports. At the moment, I have a DG
> with two outputs, so I'm just trying to set up the framebuffer for two
> channels. No matter what I do, ircombine complains about an integer
> parameter out of range (an X error). What I want to do is configure the
> framebuffer to have a size of 1280x480. Channels 0 and 1 should each
> have a size of 640x480 with 60Hz refresh rate, and channel 1 should have
> an x offset of 640. Basically, two VGA-resolution channels adjacent to
> each other in the framebuffer. The total resolution is smaller than the
> existing 1280x1024, so I don't think I'm asking for anything beyond the
> capabilities of the hardware. However, nothing that I have tried has
> worked. Anyone know what I am missing?
>
> thanks,
> Chris
> --
>
> Chris Volpe Phone: (518) 387-7766
> GE Corporate R&D Fax: (518) 387-6560
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