Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com
From: Kin LEE <kin@cpsc.ucalgary.com>
Newsgroups: scea.yaroze.programming.2d_graphics
Subject: Re: question about packet
Date: Sun, 17 Aug 1997 17:14:44 -0700
Organization: SCEA News Server
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Mario Perdue wrote:
> 
> 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

Mario,

      Thank you for your answer.

kin