From:	"23yrold3yrold" <cbarry AT pangea DOT ca>
Newsgroups:	comp.os.msdos.djgpp
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Subject:	Re: Using (page-flipping) to speed up a program
Date:	Thu, 6 Jul 2000 08:51:29 -0500
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To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

"Evert Glebbeek" <eglebbk AT phys DOT uva DOT nl> wrote in message
news:39648ccb DOT 16302165 AT news DOT wins DOT uva DOT nl...
> Newsgroup: comp.os.msdos.djgpp
>  From: "23yrold3yrold" <cbarry AT pangea DOT ca>
>  On Wed, 5 Jul 2000 09:13:23 -0500

> >I played with the example program for triple-buffering that came with
> >Allegro; I can AUTODETECT in 640 x 480, and although it does tri-buf, it
> >won't display my sprites properly (they look like a huge mess of random
> >pixels). I'll keep trying to get that or page-flipping to work.

> That's strange. Does it do things like rect_fill() properly?

Circle_fill() is what the program is set to do, and does OK. Originally the
code is Mode-X in 320 x 240, but I successfully got it to work Autodetecting
in 640 x 480 (circle_fill() and all). Funny that the sprite is so screwy
because the code I use for blitting is exactly the same as the code I have
in my rough game code (which works fine). Also, i found that info program
but it doesn't seem to have anything in it about checking to see if
triple-buffering or page-flipping will work on my computer. I can't get
either to work reliably so I guess I'm stuck double-buffering for now. If
you still would send a skeleton code for either (you mentioned it a few
posts back) it might help my solve this, if not I'll just double buff ( I
don't know how much trouble it would be for you.)

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