Path: chuka.playstation.co.uk!news From: James Russell Newsgroups: scea.yaroze.programming.3d_graphics,scee.yaroze.programming.3d_graphics Subject: Re: Z Buffer, Z Sorting and Voxels Date: Mon, 25 Jan 1999 09:17:32 +0000 Organization: Sony Computer Entertainment Europe Lines: 10 Message-ID: <36AC36AC.1BA02803@scee.sony.co.uk> References: <78f28u$nd44@chuka.playstation.co.uk> NNTP-Posting-Host: mailgate.scee.sony.co.uk Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.5 [en] (Win95; I) X-Accept-Language: en Xref: chuka.playstation.co.uk scea.yaroze.programming.3d_graphics:335 scee.yaroze.programming.3d_graphics:1151 The GPU can only draw 2D polygons, so it can't help out with true 3D. This is why some games have sorting errors - you never see that on a true Z-Buffer like the N64. If you want to implement a true Z-Buffer, then you're going to have to implement your own 3D polygon rendering algorithm... Not very fast for anything useful, I'm afraid. -- == James_Russell@scee.sony.co.uk +44 (171) 447-1626 == Developer Support Engineer - Sony Computer Entertainment Europe Software upgrade installed: Press your luck to continue.