From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Graf Subject: Re: [PATCH] Add VirtIO Frame Buffer Support Date: Mon, 2 Nov 2009 23:42:11 +0100 Message-ID: References: <1257199759-2941-1-git-send-email-agraf@suse.de> <20091102223249.GC22301@localhost> Mime-Version: 1.0 (iPhone Mail 7A341) Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sfi-mx-1.v28.ch3.sourceforge.com ([172.29.28.121] helo=mx.sourceforge.net) by 3yr0jf1.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1N55be-0007h7-Dq for linux-fbdev-devel@lists.sourceforge.net; Mon, 02 Nov 2009 22:42:34 +0000 Received: from cantor.suse.de ([195.135.220.2] helo=mx1.suse.de) by 29vjzd1.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1N55bX-0004o5-Hh for linux-fbdev-devel@lists.sourceforge.net; Mon, 02 Nov 2009 22:42:34 +0000 In-Reply-To: <20091102223249.GC22301@localhost> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: Ondrej Zajicek Cc: "linux-fbdev-devel@lists.sourceforge.net" Am 02.11.2009 um 23:32 schrieb Ondrej Zajicek : > On Mon, Nov 02, 2009 at 11:09:19PM +0100, Alexander Graf wrote: >> When we want to create a full VirtIO based machine, we're still >> missing >> graphics output. Fortunately, Linux provides us with most of the >> frameworks >> to render text and everything, we only need to implement a transport. >> >> So this is a frame buffer backend written for VirtIO. Using this >> and my >> patch to qemu, you can use paravirtualized graphics. > > Just a note: it might be useful to allow paravirtualized graphics to > handle text mode. In that case, it can be done in fbdev layer using > tileblit operations. Is there any real driver implementing this already? I'd prefer to copy from working code instead of writing my own :-). Also, we still need to keep the local frame buffer copy in sync so we can mmap and read from it, right? So it's not really worth it probably... Alex ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference