From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: Re: opengl=1? Date: Fri, 12 Dec 2008 10:26:21 +0000 Message-ID: <49423C4D.9050701@eu.citrix.com> References: <4940EC5E.5000401@eu.citrix.com> <4940F56D.30202@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jun Koi Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Jun Koi wrote: >> /* window on the host screen, opengl acceleration */ >> sdl=1 opengl=1 vnc=0 >> > > OK, and this gives us the best performance. Yes. > > So I understand that if your patches to QEMU are merged, QEMU/KVM > would get much better graphical performance. Excellent! Did you > benchmark to see how much it is better? Any number? > Yes, but don't hold your breath, qemu people didn't seem very interested in this. It is difficult to get any significant number, but I can tell you that at least you can get window resizing for free, not to mention many possible further improvements.