Re: Indigo Z-Buffer option

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#51

From: Jeff Weinstein
Date: Tue, 15 Dec 1992 20:23

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In article <92350.141318SML108@psuvm.psu.edu>, <SML108@psuvm.psu.edu> writes:
> In the Graphics library programming guide, it states that on most IRIS
> systems, the z-buffer is a hardware option, with 24 bits per pixel.  The
> IRIS Indigo has a software z-buffer.  Is this what the $2000 z-buffer
> option is?  Software?  Or is there a hardware component?

  Then Entry graphics option uses an all software z-buffer.  There is no
hardware option for this graphics board.  The XS and XS24 come without
z-buffer, and do not support hardware emulation.  If you want to do
z-buffering on them you need to buy the $2k z-buffer option, which is
real hardware.

	--Jeff

-- 
Jeff Weinstein - X Protocol Police
MicroUnity Systems Engineering, Inc.
jsw@microunity.com
Any opinions expressed above are mine.

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Message-ID: <1992Dec15.202350.7093@microunity.com>

Path: arc1-ca.pugleaf.net!sparky!uunet!UB.com!microunity!jsw

References: <92350.141318SML108@psuvm.psu.edu>

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Newsgroups: comp.sys.sgi.graphics,comp.sys.sgi
Path: arc1-ca.pugleaf.net!sparky!uunet!UB.com!microunity!jsw
From: jsw@microunity.com (Jeff Weinstein)
Subject: Re: Indigo Z-Buffer option
Distribution: world
Message-ID: <1992Dec15.202350.7093@microunity.com>
Sender: usenet@microunity.com (news)
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Organization: MicroUnity Systems Engineering, Inc.
References:  <92350.141318SML108@psuvm.psu.edu>
Date: Tue, 15 Dec 1992 20:23:50 GMT
Lines: 19

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