[libvirt] [RFC v2 11/16] qemu: restrict 'virgl=' option to 'virtio' video type

[marcandre.lureau at redhat.com]

From: Marc-André Lureau <marcandre.lureau at redhat.com>

vhost-user doesn't have a virgl option, it's given to the
vhost-user-gpu helper process instead.

Signed-off-by: Marc-André Lureau <marcandre.lureau at redhat.com>
---
 src/qemu/qemu_command.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 824e78c0ec..2f3bd2a98e 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4432,9 +4432,11 @@ qemuBuildDeviceVideoStr(const virDomainDef *def,
 
     virBufferAsprintf(&buf, ",id=%s", video->info.alias);
 
-    if (video->accel && video->accel->accel3d == VIR_TRISTATE_SWITCH_ON) {
-        virBufferAsprintf(&buf, ",virgl=%s",
-                          virTristateSwitchTypeToString(video->accel->accel3d));
+    if (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO) {
+        if (video->accel && video->accel->accel3d == VIR_TRISTATE_SWITCH_ON) {
+            virBufferAsprintf(&buf, ",virgl=%s",
+                              virTristateSwitchTypeToString(video->accel->accel3d));
+        }
     }
 
     if (video->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
-- 
2.19.0.rc0.48.gb9dfa238d5