From: "Matthew Smith" Newsgroups: comp.os.msdos.djgpp Subject: Re: [ALLEGRO] Poor FPS (NewB question) Date: Sat, 4 Aug 2001 05:00:37 +0100 Lines: 25 Message-ID: <9kfri5$lhc$1@newsg2.svr.pol.co.uk> References: <9kbk0o$12cp$1 AT news4 DOT isdnet DOT net> NNTP-Posting-Host: modem-546.ballistic.dialup.pol.co.uk X-Trace: newsg2.svr.pol.co.uk 996897157 22060 62.25.138.34 (4 Aug 2001 03:52:37 GMT) NNTP-Posting-Date: 4 Aug 2001 03:52:37 GMT X-Complaints-To: abuse AT theplanet DOT net X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com > And why I don't have any hardware accelaration (except hardware scrolling) > with all of the drivers (but I don't tested VBE/AF driver)? > You have answered your own question, VBE/AF is the only accelerated driver in DJGPP Allegro. I'm not sure if one has been written for a GeForce. > I would know what is the best method to have the max performance (double > buffer, page flipping, tripple buffer ...), the best driver, and how to > implent a fast scrolling (what type of BITMAP use for a part who scroll in 4 > direction and other who don't scroll). These depend on many things, mostly if your card/driver can handle it. Triple buffering is fast when it works. You can ask these kinds of questions in Programming Questions on http://www.allegro.cc/ubb-bin/ultimatebb.cgi or you can join the Allegro Games Programming Mailing List http://www.talula.demon.co.uk/allegro/maillist.html