[760/906] x11: Always use the same display connection from the GL thread

The other display connection might be used by async calls from elsewhere
at the same time.

https://bugzilla.gnome.org/show_bug.cgi?id=704247

diff --git a/gst-libs/gst/gl/x11/gstglwindow_x11.c b/gst-libs/gst/gl/x11/gstglwindow_x11.c
index 582a4ff..7dc1cdb 100644 (file)
--- a/gst-libs/gst/gl/x11/gstglwindow_x11.c
+++ b/gst-libs/gst/gl/x11/gstglwindow_x11.c
@@ -508,7 +508,7 @@ gst_gl_window_x11_draw_unlocked (GstGLWindow * window, guint width,
 
     XSendEvent (window_x11->device, window_x11->internal_win_id, FALSE,
         ExposureMask, &event);
-    XSync (window_x11->disp_send, FALSE);
+    XSync (window_x11->device, FALSE);
   }
 }