On 03/14/2016 05:41 AM, Christophe Fergeau wrote:
> Currently, virgl support has to go through a local unix socket, trying
> to connect to a VM using -spice gl through spice://localhost:5900 will
> only result in a black screen.
> This commit errors out when the user tries to start a VM with both GL
> support and a port/tls-port set.
> This would fit better in spice-server, but currently QEMU does not call
> into spice-server when parsing 'gl' on its command line, so we have to
> do this check in QEMU instead.
> 
> Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
> ---
>  ui/spice-core.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/ui/spice-core.c b/ui/spice-core.c
> index 7987a4e..94f3236 100644
> --- a/ui/spice-core.c
> +++ b/ui/spice-core.c
> @@ -844,6 +844,10 @@ void qemu_spice_init(void)
>  
>  #ifdef HAVE_SPICE_GL
>      if (qemu_opt_get_bool(opts, "gl", 0)) {
> +        if ((port != 0) || (tls_port != 0)) {

Overparenthesized; you could write:

if (port || tls_port) {

for the same effect with less typing.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org