From d620189ae3e97de17dfa5c3c43efce8298af6705 Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Sun, 30 Apr 2017 17:00:18 +0200
Subject: [PATCH] ClutterActor: Call queue_redraw vfunc directly if possible

Reduces some signal emission overhead.

https://bugzilla.gnome.org/show_bug.cgi?id=782344
---
 clutter/clutter/clutter-actor.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/clutter/clutter/clutter-actor.c b/clutter/clutter/clutter-actor.c
index 85fcda532..6954f0396 100644
--- a/clutter/clutter/clutter-actor.c
+++ b/clutter/clutter/clutter-actor.c
@@ -2656,7 +2656,15 @@ _clutter_actor_signal_queue_redraw (ClutterActor *self,
   _clutter_actor_queue_redraw_on_clones (self);
 
   /* calls klass->queue_redraw in default handler */
-  g_signal_emit (self, actor_signals[QUEUE_REDRAW], 0, origin);
+  if (g_signal_has_handler_pending (self, actor_signals[QUEUE_REDRAW],
+                                    0, TRUE))
+    {
+      g_signal_emit (self, actor_signals[QUEUE_REDRAW], 0, origin);
+    }
+  else
+    {
+      CLUTTER_ACTOR_GET_CLASS (self)->queue_redraw (self, origin);
+    }
 }
 
 static void