Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com From: Tim O'Neil Newsgroups: scea.yaroze.programming.3d_graphics Subject: Re: Messing with the primatives Date: Sun, 24 Aug 1997 17:51:53 -0400 Organization: SCEA News Server Lines: 19 Message-ID: <3400ACF8.DCE@chat.carleton.ca> References: <33F27552.437C2A01@ix.netcom.com> <33FA317F.3279@chat.carleton.ca> <33FA9A5F.2DD5@interactive.sony.com> NNTP-Posting-Host: obatanga.chat.carleton.ca Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01Gold (Win95; I) Developer Support wrote: > > Hi, > > The changes to olen/ilen are part of the optimisations to improve the > speed of SortObject. What happens is that a count of similar primitives > is produced so that instead of deciding on a primitive basis the routine > can dispatch a group of 20 FT3's to be rendered more rapidly. > > This has a side effect that a mixed TMD will actually render more > efficently if the packets are 'sorted' > > Cheers, > > Colin. Thanks for the reply. Just one more routine to bypass now :) Tim