[clutter] gdk: Support GdkWayland

[Emmanuele Bassi <ebassi src gnome org>]

commit 8859ed44e176656a54f7d75270e4ac3b498eaeae
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Jan 12 17:48:04 2015 +0000

    gdk: Support GdkWayland
    
    We need to set up the Wayland display when using GDK and Wayland's
    client-side API.

 clutter/gdk/clutter-backend-gdk.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/clutter/gdk/clutter-backend-gdk.c b/clutter/gdk/clutter-backend-gdk.c
index 7f14feb..563f85f 100644
--- a/clutter/gdk/clutter-backend-gdk.c
+++ b/clutter/gdk/clutter-backend-gdk.c
@@ -45,10 +45,18 @@
 #include <cogl/cogl-xlib.h>
 #endif
 
+#if defined(GDK_WINDOWING_WAYLAND) && defined(COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT)
+#include <cogl/cogl-wayland-client.h>
+#endif
+
 #ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
 #endif
 
+#ifdef GDK_WINDOWING_WAYLAND
+#include <gdk/gdkwayland.h>
+#endif
+
 #ifdef GDK_WINDOWING_WIN32
 #include <gdk/gdkwin32.h>
 #endif
@@ -275,6 +283,17 @@ clutter_backend_gdk_get_renderer (ClutterBackend  *backend,
     }
   else
 #endif
+#if defined(GDK_WINDOWING_WAYLAND) && defined(COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT)
+  if (GDK_IS_WAYLAND_DISPLAY (backend_gdk->display))
+    {
+      struct wl_display *display = gdk_wayland_display_get_wl_display (backend_gdk->display);
+
+      /* Force a Wayland winsys */
+      cogl_renderer_set_winsys_id (renderer, COGL_WINSYS_ID_EGL_WAYLAND);
+      cogl_wayland_renderer_set_foreign_display (renderer, display);
+    }
+  else
+#endif
 #if defined(GDK_WINDOWING_WIN32)
   if (GDK_IS_WIN32_DISPLAY (backend_gdk->display))
     {