Date: Sat, 27 Feb 1999 11:46:12 -0000 From: "Paolo Di Francesco" <paipai@tin.it> To: hackers@freebsd.org Subject: Re: Accessing the BIOS... Message-ID: <19990227133443.CLKK4420.fep02-svc@winworkstation> In-Reply-To: <199902270349.MAA06084@zodiac.mech.utsunomiya-u.ac.jp> References: Your message of "Fri, 26 Feb 1999 15:34:00 EST." <36D70538.8D09F7F@bellatlantic.net>
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> >By using VBE, you can get hi-res modes like 1024x768x16 million
> >colors without having a specific driver for the video card. The disadvantage
> >would be, well, you'd have to have your app call the VESA BIOS in protected
> >mode, and using BIOS graphics would be a lot slower than using a specific
> >driver for a particular VGA card, without BIOS calls.
>
Yes, I suppose it will be very slow (compared to accelerated). The VESA
approach is used by QNX for their demo. It's slow, but one driver for
many not supported video card. Better than nothing.
Ciao Ciao
Paolo Di Francesco
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