From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Kbebe-0001Qv-Oh for qemu-devel@nongnu.org; Fri, 05 Sep 2008 12:56:22 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Kbebd-0001Qf-A0 for qemu-devel@nongnu.org; Fri, 05 Sep 2008 12:56:22 -0400 Received: from [199.232.76.173] (port=37602 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kbebd-0001Qc-3H for qemu-devel@nongnu.org; Fri, 05 Sep 2008 12:56:21 -0400 Received: from mx1.redhat.com ([66.187.233.31]:35647) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Kbebb-0003wd-HW for qemu-devel@nongnu.org; Fri, 05 Sep 2008 12:56:20 -0400 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id m85Gtb4f024302 for ; Fri, 5 Sep 2008 12:55:37 -0400 Received: from file.fab.redhat.com (file.fab.redhat.com [10.33.63.6]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m85Gtas3030527 for ; Fri, 5 Sep 2008 12:55:36 -0400 Received: from file.fab.redhat.com (localhost.localdomain [127.0.0.1]) by file.fab.redhat.com (8.13.1/8.13.1) with ESMTP id m85GtagX013601 for ; Fri, 5 Sep 2008 17:55:36 +0100 Received: (from berrange@localhost) by file.fab.redhat.com (8.13.1/8.13.1/Submit) id m85GtatL013597 for qemu-devel@nongnu.org; Fri, 5 Sep 2008 17:55:36 +0100 Date: Fri, 5 Sep 2008 17:55:36 +0100 From: "Daniel P. Berrange" Subject: Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window Message-ID: <20080905165536.GA12606@redhat.com> References: <48B81423.9050502@eu.citrix.com> <48BF4F4F.40208@codemonkey.ws> <48BFB318.206@eu.citrix.com> <20080905120214.GD1373@shareable.org> <48C16207.5090808@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48C16207.5090808@eu.citrix.com> Reply-To: "Daniel P. Berrange" , qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Fri, Sep 05, 2008 at 05:44:55PM +0100, Stefano Stabellini wrote: > Jamie Lokier wrote: > > Another way to map guest framebuffer to video memory is the XF86DGA > > extension, which is great when you can use it. I think VMware uses it > > in full-screen mode. > > I went with OpenGL because I wanted the accelerated window resize > feature, and because I think it will give us more opportunities for > further improvements (for example using PBOs as soon as they are > supported by at least one open source graphic card driver). The problem with OpenGL is that it has horrible rendering issues if you are also using a compositing window manager like Compiz. You need an X server & driver which supports Redirected Direct Rendering [1]. No distro currently has any official support for this yet. AFAIK, the next Fedora 10 will be the first to support it, and even then only on Intel hardware[2]. ATI is still a fair way off, and NVidia support is nowhere to be seen. For accelerated resize of windows though you shouldn't need 3d - the graphics driver 2-d hardware acceleration support ought to be sufficient I'd imagine Regards, Daniel [1] http://hoegsberg.blogspot.com/2007/08/redirected-direct-rendering.html [2] http://hoegsberg.blogspot.com/2008/03/i-just-committed-last-bit-of-dri2-work.html -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|