*BSD News Article 27182


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Newsgroups: comp.os.386bsd.apps
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From: hasty@netcom.com (Amancio Hasty Jr)
Subject: Re: DOOM for X
Message-ID: <hastyCL2opx.I0x@netcom.com>
Organization: Netcom Online Communications Services (408-241-9760 login: guest)
References: <760732951snz@valent.demon.co.uk> <JKH.94Feb8224637@whisker.hubbard.ie> <2jf56m$7r@u.cc.utah.edu>
Date: Fri, 11 Feb 1994 18:29:56 GMT
Lines: 30

In article <2jf56m$7r@u.cc.utah.edu> terry@cs.weber.edu (Terry Lambert) writes:
>In article <JKH.94Feb8224637@whisker.hubbard.ie> jkh@whisker.hubbard.ie (Jordan K. Hubbard) writes:
>>In article <760732951snz@valent.demon.co.uk> mark@valent.demon.co.uk (Mark Valentine) writes:
>>   Apparently id's Dave Taylor (working in his spare time) has it running
>>   under XFree86 2.0 (using the shared memory extensions).
>
>>Knowing what DOOM does to achieve shading and motion effects on a standard
>>VGA card, I have a REALLY HARD TIME believing that this could work under
>>X!  This seems like serious rumor material to me!

Actually, one could get access to the VGA registers for a process 
and dispense with X for local access :)

>
>I think the "shared memory extensions" he's referring to allow the mmap'ing
>of a window region into an app; if so, he can do anything you can do with
>a flat frame-buffer interface, and just as fast as if it were running under
>DOS (well, that is until it gets preempted to run the other 50 processes
>on your machine -- then again DOS is "safe" from that.... 8-)).



I think that they use a DOS extender which would not surprise me if
it has task management.

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