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List:       9fans
Subject:    Re: [9fans] Double buffering graphics
From:       rog () vitanuova ! com
Date:       2002-05-30 20:10:43
Message-ID: 20020530200605.D23A519AA9 () mail ! cse ! psu ! edu
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> Writes from normal memory to video memory
> are very fast.  The reverse operation is very slow
> (I've seen faster 5400rpm disks).

is it this that causes the big slowdown when
part of a window is off screen?


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