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Mail Archives: djgpp/1999/06/04/19:55:20

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
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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.

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