Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932340AbWEXPmE (ORCPT ); Wed, 24 May 2006 11:42:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932343AbWEXPmE (ORCPT ); Wed, 24 May 2006 11:42:04 -0400 Received: from witte.sonytel.be ([80.88.33.193]:46028 "EHLO witte.sonytel.be") by vger.kernel.org with ESMTP id S932340AbWEXPmD (ORCPT ); Wed, 24 May 2006 11:42:03 -0400 Date: Wed, 24 May 2006 17:41:48 +0200 (CEST) From: Geert Uytterhoeven To: Helge Hafting cc: Kyle Moffett , Jon Smirl , "D. Hazelton" , Manu Abraham , linux cbon , Valdis.Kletnieks@vt.edu, Linux Kernel Development Subject: Re: OpenGL-based framebuffer concepts In-Reply-To: <44740533.7040702@aitel.hist.no> Message-ID: References: <20060519224056.37429.qmail@web26611.mail.ukl.yahoo.com> <44700ACC.8070207@gmail.com> <200605230048.14708.dhazelton@enter.net> <9e4733910605231017g146e16dfnd61eb22a72bd3f5f@mail.gmail.com> <6896241F-3389-4B20-9E42-3CCDDBFDD312@mac.com> <44740533.7040702@aitel.hist.no> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1628 Lines: 34 On Wed, 24 May 2006, Helge Hafting wrote: > Kyle Moffett wrote: > > The one really significant potential problem with the exo-kernel model for > > graphics is that the kernel *must* have a stable way to display kernel > > panics regardless of current video mode, framebuffer settings, 3D rendering, > > etc. The kernel driver should be able to provide some fundamental > > operations for compositing text on top of the framebuffer at the primary > > viewport regardless of whatever changes userspace makes to the GPU > > configuration. We don't have this now, but I see it as an absolute > > requirement for any replacement graphics system. This means that the kernel > > driver should be able to understand and modify the entire GPU state to the > > extent necessary for such a text console. > I am not so sure I want this at all. > In the early 90's, I used unix machines wich did exactly this - spamming the > framebuffer console with occational messages while X was running. > Yuck yuck yuck yuck yuck . . . And the funny thing is that Linux used to do this as well ;-) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/