Date: Thu, 04 Oct 2001 14:37:25 -0700 From: Mike Smith <msmith@freebsd.org> To: Jonathan Belson <jon@witchspace.com> Cc: freebsd-hackers@freebsd.org Subject: Re: [Q] Information on fb/vesa mode programming Message-ID: <200110042137.f94LbPE02749@mass.dis.org> In-Reply-To: Message from Jonathan Belson <jon@witchspace.com> of "Thu, 04 Oct 2001 21:11:52 BST." <3BBCC288.DE8CD20B@witchspace.com>
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> I've been trying to find out some information on programming the > fb/vesa interface, eg. set_video_mode() and friends. Try the Vesa 3.0 document (google is your friend). > From the few examples I've seen, it appears that you have to > muck about with banks rather than use a pointer to linear > frame buffer (logo_saver.c, splash.c). Is there no way to > access the fb linearly? The video memory organisation varies from mode to mode. The splash code tries to work with several different organisations, including the lowest-common-denominator banked/interleaved modes. > Does anyone know of any resources giving more information > on fb programming? Most DOS games/graphics books should at least try to discuss the use of VESA video modes. Regards, Mike To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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