vnc: only alloc server surface with clients connected

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1446203414-4013-15-git-send-email-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2015-10-30 12:10:09 +01:00
parent f7b3d68c95
commit c7628bff41

View File

@ -731,6 +731,10 @@ static void vnc_update_server_surface(VncDisplay *vd)
qemu_pixman_image_unref(vd->server);
vd->server = NULL;
if (QTAILQ_EMPTY(&vd->clients)) {
return;
}
vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT,
vnc_width(vd),
vnc_height(vd),
@ -1241,6 +1245,10 @@ void vnc_disconnect_finish(VncState *vs)
if (vs->initialized) {
QTAILQ_REMOVE(&vs->vd->clients, vs, next);
qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
if (QTAILQ_EMPTY(&vs->vd->clients)) {
/* last client gone */
vnc_update_server_surface(vs->vd);
}
}
if (vs->vd->lock_key_sync)
@ -3079,6 +3087,7 @@ void vnc_init_state(VncState *vs)
{
vs->initialized = true;
VncDisplay *vd = vs->vd;
bool first_client = QTAILQ_EMPTY(&vd->clients);
vs->last_x = -1;
vs->last_y = -1;
@ -3092,6 +3101,9 @@ void vnc_init_state(VncState *vs)
vs->bh = qemu_bh_new(vnc_jobs_bh, vs);
QTAILQ_INSERT_TAIL(&vd->clients, vs, next);
if (first_client) {
vnc_update_server_surface(vd);
}
graphic_hw_update(vd->dcl.con);