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Mail Archives: djgpp/1996/11/17/03:10:08

Date: Sun, 17 Nov 1996 09:49:00 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: lazer <lazer AT jediknight DOT demon DOT co DOT uk>
Cc: djgpp AT delorie DOT com
Subject: Re: Smoothness in W95
In-Reply-To: <3288e9cf.68908@news.demon.co.uk>
Message-Id: <Pine.SUN.3.91.961117094738.12547N-100000@is>
Mime-Version: 1.0

On Tue, 12 Nov 1996, lazer wrote:

>     I am writing a game in 360*240, Mode X  , With Triple Buffering
> and it is very smooth in dos, however when i run under W95 it is very
> jerky, i have same problem with every other mode I have tried under
> W95 even plain mode 13h.  
> Can anyone help me out!

If the graphics stuff uses I/O ports to talk to the SVGA, then Windows 
might slow it down because it intercepts port accesses.  You should 
profile your program to see where the slow-down happens.

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