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Re: [Xen-devel] opengl=1?

  • To: "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
  • From: "Jun Koi" <junkoi2004@xxxxxxxxx>
  • Date: Thu, 11 Dec 2008 20:00:35 +0900
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 11 Dec 2008 03:01:42 -0800
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On Thu, Dec 11, 2008 at 7:33 PM, Stefano Stabellini
<stefano.stabellini@xxxxxxxxxxxxx> wrote:
> Jun Koi wrote:
>> Hi,
>> I found that we have an option named opengl. What is that for? So if I
>> put "opengl=1" in my VM configuration file, what advantage my VM will
>> get??
> opengl=1 is the default and makes qemu render the guest framebuffer
> using opengl.

OK, so the patch you posted on QEMU mailing list is to enable this
function on QEMU.

> Otherwise if you set opengl=0 qemu will use the sdl library.
> opengl=1 makes sense if you don't use vnc

So this means "opengl=1" (default) and "vnc=0" will give a better
performance than "vnc=1, sdl=0", right?

>and you have good drivers for
> your graphic card in dom0.

I am using Ubuntu 8.10 with chipset Intel 945GM, so certainly I have
"good driver", right?

Many thanks,

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