Re: Onyx2 & Antialiasing

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Angus Dorbie (dorbie++at++multipass.asd.sgi.com)
Wed, 18 Jun 1997 11:46:57 -0700


The Reality only has 40 Mb of framebuffer, that is why you have
small pixel depth. Even small pixels should be enough for 4 sample
anti-aliasing but remember anti-aliased rendering is significantly
slower on Reality graphics, unlike Infinite Reality.

Use glxinfo or findvis to list the visuals which support
multisamples.

Try:

findvis | grep samples

Cheers,Angus.

On Jun 18, 10:28am, Joaquin Casillas Melendez wrote:
> Subject: Onyx2 & Antialiasing
> Hello Performers.
>
> We have recently adquired an Onyx2 with Reality graphics and two RM8
> boards. We have tried some models with perfly and noticed that
> antialiasing is not working. When I run the gfxinfo utility, I get
> something like this:
>
> Graphics board 0 is "KONAL" graphics.
> Managed (":0.0") 1280x1024
> Display has 2 channels
> 2 GEs (of 2), occmask = 0x03
> 4MB external BEF ram, 32bit path
> 2 RM8 boards (of 2) 1/1/0/0
> Texture Memory: 16MB/16MB/-/-
> Small pixel depth
> 32K cmap
>
> It would be very appreciated if someone could help me about configuring
> the system, in order to get antialiasing working correctly.
>
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>-- End of excerpt from Joaquin Casillas Melendez

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