Date: Thu, 27 Feb 1997 04:21:03 -0600
From: ShogunTim AT aol DOT com
Subject: Allegro BITMAPS
Newsgroups: comp.os.msdos.djgpp
Message-ID: <857038254.13120@dejanews.com>
Organization: Deja News Usenet Posting Service
Lines: 15
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

I know a lot of this stuff I can figure out by looking at the
source code or doing test programs, but anyway.  I have a few
questions about Allegro BITMAPS.  First of all, with non screen
memory BITMAPS, are the lines just pointers to an allocated
peice of memory, or is each line allocated individually to
different spots?
  Secondly, In the demo program I get 25 fps SVGA 640x480 page
flipping and and double buffered in the same mode I get 32 fps.
Does  anyone know why I would get higher frame rates here double
buffered?
   And does anyone have any ideas or hints on how to optimize
the 640x480 SVGA mode?  Thanks for your help.

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