Date: Thu, 23 Jan 2003 20:16:50 +0000 From: Doug Rabson <dfr@nlsystems.com> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: Nicolas Souchu <nsouch@free.fr>, arch@FreeBSD.ORG Subject: Re: Newbusifying kbd? Message-ID: <200301232016.50139.dfr@nlsystems.com> In-Reply-To: <20030123194314.GE579@dhcp01.pn.xcllnt.net> References: <20030119225129.A6948@armor.fastether> <1043324244.28124.34.camel@builder02.qubesoft.com> <20030123194314.GE579@dhcp01.pn.xcllnt.net>
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On Thursday 23 January 2003 7:43 pm, Marcel Moolenaar wrote: > On Thu, Jan 23, 2003 at 12:17:25PM +0000, Doug Rabson wrote: > > > > Do I understand correctly that "without its own drivers" means > > > > that XFree86 doesn't have its own drivers and thus that the > > > > kernel driver is the hardware driver that's being used (though > > > > KGI)? > > > > > > You do. > > > > This isn't terribly useful when you want to do something > > non-trivial with the video hardware like 3D rendering. Designing a > > lovely console output mechanism which prevents high-performance 2D > > and 3D drivers in userland is pretty pointless. > > The precondition obviously is that the kernel driver has the same > HP 2D/3D features as a userland driver. I find it interesting, but > doubt that it will work in practice. It's hard to write and > maintain a portable graphics driver that works with dozens of OSes. > Especially since performance and portability are opposite forces. All I'm trying to say is that the XFree86 project and the DRI projects have already solved the problem of providing reasonable access to 2D and 3D graphics hardware. There isn't much point in pursuing another solution that doesn't leverage that work. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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