From:	baldo AT chasque DOT apc DOT org
Message-Id:	<3.0.1.32.19970722145351.0068ee3c@chasque.apc.org>
Date:	Tue, 22 Jul 1997 14:53:51 -0300
To:	"Guan Foo Wah" <jgfw AT usa DOT net>
Subject:	Re: Vesa 2.0 is slower than 1.2 on my video card !!!!!
Cc:	djgpp AT delorie DOT com
In-Reply-To:	<ww03-BgugDj2843@netaddress.usa.net>
Mime-Version:	1.0

At 12:03 AM 21/07/1997, you wrote:
>My video card's (Cirrus Logic Cl-54M30) bios doesn't support vesa 2.0 
>but vesa 1.2. I install the Display Doctor 5.3a into my computer so that 
>my video card can support vesa 2.0. 
	I test it sometimes, but I dont use it every time.

>Then I ran the Allegro's Demo.exe. I choose vesa 2.0 linear frame 
>buffer and 640x480 mode with double buffer. When the game starts, it 
>reported the frame rate to be 16 fps. This is even slower than the vesa 1.2 
>(which is about 24 fps with univbe and 22 without univbe). Can someone tell 
>me why vesa 2.0 is slower in my video card when it suppose to be faster 
>??? anyone ??

	Hello! In my video card (Trident GUI 9440 Agi R1) the linear frame buffer
is slower than the banked mode. In Demo.EXE I have the better results with
the Vesa 2.0 Banked mode or the Trident driver than the vesa 2.0 linear
frame buffer. Vesa 2.0 banked mode give me better results than Vesa 1.x. I
think that the linear frame buffer is supposed to be faster than the banked
mode, but in my video card this is not true. Someone has better results
using Linear Frame Buffer than Banked Mode? I recommend you to test with
Vesa 2.0 banked mode instead, it must be a bit faster than Vesa 1.x. I
think that your question is interesting, someone can answer it? Thank you!
	Goodbye!

P.D.: Sorry for my very bad English!

Ivan Baldo: baldo AT chasque DOT apc DOT org - http://www.chasque.apc.org/baldo

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