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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.arch
Subject: Re: Is Intel exceptionally unsuccessful as an architecture designer?
Date: Thu, 19 Sep 2024 23:40:05 -0000 (UTC)
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On Thu, 19 Sep 2024 12:54:23 +0200, Terje Mathisen wrote:

> The way I implemented it was by updating the "official" back frame
> buffer, and compare the update with the visible front buffer. If at any
> time a write to the back buffer did not result in something that was
> already in the front buffer, I just copied the back buffer to the front
> and went on from there.

Is this where the need for “triple buffering” comes from -- the fact that 
you need to copy the entire contents of one buffer to another?

The way I understood to do flicker-free drawing was with just two buffers 
-- “double buffering”. And rather than swap the buffer contents, you just 
swapped the pointers to them.