1 files changed, 35 insertions, 41 deletions
diff --git a/src/compositor/meta-compositor.c b/src/compositor/meta-compositor.c
index 7a2f23fd..a83c3ae7 100644
--- a/src/compositor/meta-compositor.c
+++ b/src/compositor/meta-compositor.c
@@ -83,41 +83,6 @@ redraw_idle_cb (gpointer user_data)
 }
 
 static gboolean
-check_common_extensions (MetaCompositor  *compositor,
-                         GError         **error)
-{
-  MetaCompositorPrivate *priv;
-
-  priv = meta_compositor_get_instance_private (compositor);
-
-  if (!priv->display->have_composite)
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
-                   "Missing composite extension required for compositing");
-
-      return FALSE;
-    }
-
-  if (!priv->display->have_damage)
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
-                   "Missing damage extension required for compositing");
-
-      return FALSE;
-    }
-
-  if (!priv->display->have_xfixes)
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
-                   "Missing xfixes extension required for compositing");
-
-      return FALSE;
-    }
-
-  return TRUE;
-}
-
-static gboolean
 meta_compositor_initable_init (GInitable     *initable,
                                GCancellable  *cancellable,
                                GError       **error)
@@ -128,12 +93,6 @@ meta_compositor_initable_init (GInitable     *initable,
   compositor = META_COMPOSITOR (initable);
   compositor_class = META_COMPOSITOR_GET_CLASS (compositor);
 
-  if (!META_IS_COMPOSITOR_NONE (compositor))
-    {
-      if (!check_common_extensions (compositor, error))
-        return FALSE;
-    }
-
   return compositor_class->manage (compositor, error);
 }
 
@@ -508,6 +467,41 @@ meta_compositor_is_composited (MetaCompositor *compositor)
 }
 
 gboolean
+meta_compositor_check_common_extensions (MetaCompositor  *compositor,
+                                         GError         **error)
+{
+  MetaCompositorPrivate *priv;
+
+  priv = meta_compositor_get_instance_private (compositor);
+
+  if (!priv->display->have_composite)
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+                   "Missing composite extension required for compositing");
+
+      return FALSE;
+    }
+
+  if (!priv->display->have_damage)
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+                   "Missing damage extension required for compositing");
+
+      return FALSE;
+    }
+
+  if (!priv->display->have_xfixes)
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+                   "Missing xfixes extension required for compositing");
+
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
+gboolean
 meta_compositor_set_selection (MetaCompositor  *compositor,
                                GError         **error)
 {