Mail Archives: djgpp/1999/07/31/13:45:25
From: | "Pavlos" <trash24379 AT usa DOT net>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Re: Allegro: videomemory with bitmaps + sprites
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Date: | Sat, 31 Jul 1999 20:35:46 +0300
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Organization: | An OTEnet S.A. customer
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Lines: | 33
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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Take a look at exflip.c in the examples directory. It's very small and well
commented.
If you have a version of Allegro that has the examples numbered (ex01, ex02,
ex03 etc.) find the one that says:
double buffering and page flipping
Pavlos
Amin Kharchi wrote in message ...
>Hello!
>
>I want to use the fast videomemory with pageflipping for my game:
>
> BITMAP *bmp;
> bmp = create_video_bitmap(640,480);
>
>If I draw a bitmap with draw_sprite(bmp, sprite, 0,0) in to the created
>videospace, the sprite will be shown on the screen... But why??? I don't
>have used the function show_video_bitmap(bmp)!
>
>How could this possible and how I must use this video_bitmap-functions
>correctly?
>
>And I have a loop for the draw_sprite() and its flickering, with
>show_video_bitmap() and vsync() it's not better.
>
>--
>Amin Kharchi
>Wolfsburg, Germany
>
>
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