Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com From: Tim O'Neil Newsgroups: scea.yaroze.programming.3d_graphics,scee.yaroze.programming.3d_graphics Subject: Re: Hi-res mode seems to studder Date: Fri, 23 Jan 1998 02:48:32 -0500 Organization: SCEA News Server Lines: 25 Message-ID: <34C84B50.408E6F29@chat.carleton.ca> References: <01bd27bf$1b560160$68b7af98@kd-home> NNTP-Posting-Host: ott-pm2-26.comnet.ca Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.01 [en] (Win95; I) X-Priority: 3 (Normal) Xref: chuka.playstation.co.uk scea.yaroze.programming.3d_graphics:191 scee.yaroze.programming.3d_graphics:445 Kevin Davis wrote: > My program is using 640x480 resolution, however I sometimes have bad > problems with the screen studdering. It almost looks like I'm not > switching double buffers but I'm using GsGetActiveBuff() each time to > switch between the buffers. I initialize the graphics like this: > > GsInitGraph(640 ,480, GsOFSGPU|GsINTER, 1, 0); // screen > 640x480 > > When I switch to low-res mode (320x240) I haven't encountered this > problem > yet. Has anyone else overcome this problem? > > Kevin Um, I can't remember the exact syntax for the init call off hand, but the reason that won't work is that you can't do double buffering at the resolution. The video memory in the PS is 1024x512, meaning the max resolution you could double buffer would be 512x256...then again, thats not even a valid resolution, plus you would have no room for any textures or fonts