[libvirt] [PATCH 5/6] RFC qemu: add spice opengl support

[Daniel P. Berrange]

On Tue, Nov 24, 2015 at 03:50:02PM +0100, Marc-André Lureau wrote:
> Hi Jan
> 
> On Mon, Nov 23, 2015 at 6:58 PM, Ján Tomko <jtomko at redhat.com> wrote:
> > Overall, the XML looks good to me. Apart from the accel3d attribute,
> > which is ugly, but less ugly than inveting a separate one.
> 
> Thanks for your feedback.
> 
> While reworking the patches and adding xml2xml test, I realized the
> accel2d/3d is a simple bool, so
>           <model type='virtio' heads='1'>
>               <acceleration accel3d='yes'/>
>           </model>
> 
> Is turned into:
>        <model type='virtio' heads='1'>
>           <acceleration accel3d='yes' accel2d='no'/>
>         </model>
> 
> Would it be backward incompatible if we changed it to a tristate?

I think making it a tristate is fine and in fact very desirable


Regards,
Daniel
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