[gtk] overlay: Blur the clipped node, not clip the blurred node

[Timm Bäder <baedert src gnome org>]

commit 269535c844e9a6fdc1286472e72c0d1f8ff3123c
Author: Timm Bäder <mail baedert org>
Date:   Sun Jan 13 06:35:44 2019 +0100

    overlay: Blur the clipped node, not clip the blurred node
    
    Blurring is a lot more expensive than clipping, so try to blur less by
    clipping first.

 gtk/gtkoverlay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkoverlay.c b/gtk/gtkoverlay.c
index 47a8bb295e..b356aa2ed4 100644
--- a/gtk/gtkoverlay.c
+++ b/gtk/gtkoverlay.c
@@ -728,8 +728,8 @@ gtk_overlay_snapshot (GtkWidget   *widget,
 
           gtk_widget_get_allocation (child, &alloc);
           graphene_rect_init (&bounds, alloc.x, alloc.y, alloc.width, alloc.height);
-          gtk_snapshot_push_clip (snapshot, &bounds);
           gtk_snapshot_push_blur (snapshot, blur);
+          gtk_snapshot_push_clip (snapshot, &bounds);
           gtk_snapshot_append_node (snapshot, main_widget_node);
           gtk_snapshot_pop (snapshot);
           gtk_snapshot_pop (snapshot);