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Re: [Qemu-devel] [PATCH 5/8] spice: add opengl/virgl/dmabuf support


From: Marc-André Lureau
Subject: Re: [Qemu-devel] [PATCH 5/8] spice: add opengl/virgl/dmabuf support
Date: Thu, 18 Feb 2016 17:55:50 +0100

Hi

On Thu, Feb 18, 2016 at 5:30 PM, Eric Blake <address@hidden> wrote:
> On 02/18/2016 02:26 AM, Gerd Hoffmann wrote:
>> This adds support for dma-buf passing to spice.  This makes virtio-gpu
>> with 3d acceleration work with spice.
>>
>
>>
>> gl mode is turned off by default, use "-spice gl=on,$otherargs" to
>> enable it.
>>
>
>>
>> @@ -494,9 +497,14 @@ static QemuOptsList qemu_spice_opts = {
>>          },{
>>              .name = "playback-compression",
>>              .type = QEMU_OPT_BOOL,
>> -        }, {
>> +        },{
>>              .name = "seamless-migration",
>>              .type = QEMU_OPT_BOOL,
>> +#ifdef CONFIG_OPENGL_DMABUF
>> +        },{
>> +            .name = "gl",
>> +            .type = QEMU_OPT_BOOL,
>> +#endif
>>          },
>
> How introspectible is this? Does QMP 'query-command-line-options' cope
> will with showing 'gl' as an option only for the qemu binaries where the
> #ifdef succeeded?

{ "execute": "query-command-line-options", "arguments": { "option": "spice" } }
{"return": [{"parameters": [{"name": "gl", "type": "boolean"},

(I just sent a libvirt patch that queries successfully the capability too)

-- 
Marc-André Lureau



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