[clutter] wayland-surface: don't queue redraw on buffer attach

[Neil Roberts <nroberts src gnome org>]

commit b5c90f6caaf0457c0f81720060f4a69cf2bd59fb
Author: Robert Bragg <robert linux intel com>
Date:   Mon Feb 13 13:20:02 2012 +0000

    wayland-surface: don't queue redraw on buffer attach
    
    Reviewed-by: Neil Roberts <neil linux intel com>
    Reviewed-by: Emmanuele Bassi <ebassi linux intel com>

 clutter/wayland/clutter-wayland-surface.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/clutter/wayland/clutter-wayland-surface.c b/clutter/wayland/clutter-wayland-surface.c
index b32b1dc..a86f04e 100644
--- a/clutter/wayland/clutter-wayland-surface.c
+++ b/clutter/wayland/clutter-wayland-surface.c
@@ -527,10 +527,13 @@ clutter_wayland_surface_attach_buffer (ClutterWaylandSurface *self,
   priv->buffer =
     cogl_wayland_texture_2d_new_from_buffer (context, buffer, error);
 
-  clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
-
   g_object_notify_by_pspec (G_OBJECT (self), obj_props[PROP_COGL_TEXTURE]);
 
+  /* NB: We don't queue a redraw of the actor here because we don't
+   * know how much of the buffer has changed with respect to the
+   * previous buffer. We only ever queue a redraw in response to
+   * surface damage. */
+
   if (!priv->buffer)
     return FALSE;