Message-Id: <199802041446.QAA05421@ankara.duzen.com.tr>
Comments: Authenticated sender is <mitch AT ankara DOT duzen DOT com DOT tr>
From: "S. M. Halloran" <mitch AT duzen DOT com DOT tr>
Organization: User RFC 822- and 1123-Compliant
To: djgpp AT delorie DOT com
Date: Wed, 4 Feb 1998 16:47:41 +0200
MIME-Version: 1.0
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Subject: Re: dubble buffering
In-reply-to: <34D7B522.6745@cs.com>
Precedence: bulk

> Siddiqui wrote:
> > 
> > sorry about the ignorance, but what is dubble buffering?
> 
> "Double buffering" (note spelling) is a graphical algorithm used to
> reduce screen flicker.  When you use double-buffering, your graphics
> code does not write directly to the screen, but instead to a buffer
> in memory with the same characteristics as the screen.  Once a frame
> is ready to display, the program waits for a vertical sync (the
> period of time during which the electron ray is travelling from the
> bottom right corner of the screen to the top left), and then
> "blits," or copies, the data to screen memory.
> 

Well, I just learned something new.  I had a totally different 
understanding of the concept (posted as another message).  I'll file 
this away.

Mitch Halloran
Research (Bio)chemist
Duzen Laboratories Group
Ankara   TURKEY
mitch AT duzen DOT com DOT tr

other job title:  Sequoia's (dob 12-20-95) daddy