From: arg AT whangomatic DOT freeserve DOT co DOT uk (Andrew R. Gillett) Newsgroups: comp.os.msdos.djgpp Subject: Re: Allegro:Page Flipping or Double Buffer? Date: Sat, 5 Jun 1999 00:19:48 +0100 Organization: www.release-dates.co.uk Message-ID: References: <7j95u2$ov3$1 AT news3 DOT saix DOT net> <3758584A DOT 42D96F62 AT c2i DOT net> NNTP-Posting-Host: modem-53.name11.dialup.pol.co.uk X-Trace: news4.svr.pol.co.uk 928538393 15267 62.136.165.53 (4 Jun 1999 23:19:53 GMT) NNTP-Posting-Date: 4 Jun 1999 23:19:53 GMT X-Complaints-To: abuse AT theplanet DOT net X-Newsreader: MicroPlanet Gravity v2.11 Lines: 22 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com In comp.os.msdos.djgpp, Henrik Stokseth wrote: > Methos wrote: > > > What is usually faster: Page Flipping or double buffer? My guess is Page > > Flipping, but why does it flicker so much when I implement it? What am I > > doing wrong? > > page flipping is faster and smoother. As I said, it depends on the video card, and what kind of things you are doing. For example, transparency may be a lot faster using double buffering if you have a slow video card. > use vsync() to time the page flips in order to remove the flickering... scroll_screen() waits for a vsync automatically. -- Andrew Gillett http://argnet.fatal-design.com/ ICQ: See homepage I collect trash in my brain; I believe you do the same.