clutter: add Mir windowing/input backend

Added support for Mir, now clutter can natively draw on MirSurfaces.
This depends on latest cogl git.

Run your clutter apps using CLUTTER_BACKEND=mir

Signed-off-by: Emmanuele Bassi <ebassi@gnome.org>

clutter/mir/clutter-event-mir.h

@@ -0,0 +1,40 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Copyright (C) 2014 Canonical Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *  Marco Trevisan <marco.trevisan@canonical.com>
+ */
+
+#ifndef __CLUTTER_EVENT_MIR_H__
+#define __CLUTTER_EVENT_MIR_H__
+
+#include <glib-object.h>
+#include <clutter/clutter-event.h>
+
+#include <mir_toolkit/event.h>
+
+GSource *
+_clutter_event_source_mir_new (void);
+
+void
+_clutter_mir_handle_event (ClutterBackend *backend, MirSurface *surface, MirEvent *event);
+
+#endif /* __CLUTTER_EVENT_MIR_H__ */