Re: [libvirt] [PATCH 3/5] domaincaps: Report graphics spiceGL

[Michal Privoznik]

On 08.05.2016 19:49, Cole Robinson wrote:
> Reports a tristate enum value for acceptable graphics type=spice
> <gl enable=XXX/>.

This ^^ is part of graphics element as follows:

<graphics>
  <gl enable='yes'/>
</graphics> ..

> 
> Wire it up for qemu too. 'no' is always a valid value, so we
> unconditionally report it.
> ---
>  docs/formatdomaincaps.html.in                           | 8 ++++++++
>  src/conf/domain_capabilities.c                          | 1 +
>  src/conf/domain_capabilities.h                          | 1 +
>  src/qemu/qemu_capabilities.c                            | 4 ++++
>  tests/domaincapsschemadata/domaincaps-full.xml          | 5 +++++
>  tests/domaincapsschemadata/domaincaps-qemu_1.6.50-1.xml | 3 +++
>  tests/domaincapsschemadata/domaincaps-qemu_2.6.0-1.xml  | 4 ++++
>  tests/domaincapsschemadata/domaincaps-qemu_2.6.0-2.xml  | 3 +++
>  tests/domaincapsschemadata/domaincaps-qemu_2.6.0-3.xml  | 3 +++
>  tests/domaincapsschemadata/domaincaps-qemu_2.6.0-4.xml  | 3 +++
>  tests/domaincapsschemadata/domaincaps-qemu_2.6.0-5.xml  | 3 +++
>  tests/domaincapstest.c                                  | 1 +
>  12 files changed, 39 insertions(+)
> 
> diff --git a/docs/formatdomaincaps.html.in b/docs/formatdomaincaps.html.in
> index d5a8414..c424107 100644
> --- a/docs/formatdomaincaps.html.in
> +++ b/docs/formatdomaincaps.html.in
> @@ -231,6 +231,10 @@
>          &lt;value&gt;vnc&lt;/value&gt;
>          &lt;value&gt;spice&lt;/value&gt;
>        &lt;/enum&gt;
> +      &lt;enum name='spiceGL'&gt;
> +        &lt;value&gt;yes&lt;/value&gt;
> +        &lt;value&gt;no&lt;/value&gt;
> +      &lt;/enum&gt;
>      &lt;/graphics&gt;


.. and while it's true that just Spice supports OpenGL currently, I'd
vote for a less specific naming. BTW: wasn't virgl implemented for SDL
initially? I know we don't support it, but my point is, what if XYZ
graphics type gains support for something equivalent to virgl? Would we
end up having yet another 'xyzGL' enum? Well, on the other hand, we
already have pciBackend enum to hostdev elem where we report VFIO/KVM
caps for hostdev[@type='pci']/driver/@name.
So I guess it's your call whether to change this or not. The only name I
can suggest right now (if you're out of ideas) is just 'gl'.

Otherwise the code looks good.

Michal

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