Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com
From: mperdue@hrtc.net (Mario Perdue)
Newsgroups: scea.yaroze.programming.2d_graphics
Subject: Re: question about packet
Date: Thu, 14 Aug 1997 04:45:18 GMT
Organization: SCEA News Server
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Kin,

The packet area is sort of PlayStation Voodoo. I'm told that the
number of packets per object varies and the the average number is 24.
I have no idea why it is defined (20+4) the way it is. I assume that
it meant something to the original programmer.

Mario

On Wed, 13 Aug 1997 20:52:01 -0600, Kin Lee <kin@cpsc.ucalgary.ca>
wrote:

>Hi,
>   In the source code of the demo (the one in the red manual):
>
>   "PACKET CpuPacketArea[2][MAXOBJECT*(20+4)]"
>
> Why (20+4) ? Why is it always a multiple of 24 ?
>
> Why not "PACKET CpuPacketArea[2][MAXOBJECT*sizeof(some_structure)]" ?
>      
>
>Kin