Path: chuka.playstation.co.uk!news From: James Rutherford Newsgroups: scea.yaroze.programming.2d_graphics,scea.yaroze.programming.3d_graphics,scee.yaroze.programming.2d_graphics,scee.yaroze.programming.3d_graphics Subject: Re: inside Ordering Tables Date: Thu, 29 Oct 1998 17:44:50 +0000 Organization: The Hex Heroes Lines: 19 Message-ID: <3638A992.C404380A@writeme.com> References: <70u292$5iq5@chuka.playstation.co.uk> <70ubsd$dnq16@scea> NNTP-Posting-Host: huldra.dai.ed.ac.uk Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.06 [en] (X11; I; SunOS 5.5.1 sun4m) Xref: chuka.playstation.co.uk scea.yaroze.programming.2d_graphics:436 scea.yaroze.programming.3d_graphics:319 scee.yaroze.programming.2d_graphics:687 scee.yaroze.programming.3d_graphics:981 Ed Federmeyer wrote: > The big "problem" is that the format of the packets is not disclosed by > Sony. Apparently, its even a big pain for "Pro" developers to get this > "packet" format. (Something I'll never fully understand, coming from a > device driver background where chipmakers fall all overthemselvs to > give you all the info you need to make thier chips work with your > products!! :-) I think they're cautious (over-cautious) about keeping everything compatible with future driver revisions. Since OTs are generated by the GsSort commands, there is this insulating layer between the programmer and the hardware execution level. Its a bit of a shame, because it's fairly obvious that a lot of CPU time is being leaked when replicating the structures, but I guess that's the reason... James (~mrfrosty)