From 32b68478ede34caee447c9803addedc12a4df6c7 Mon Sep 17 00:00:00 2001
From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Wed, 18 Nov 2020 19:08:38 +0800
Subject: [PATCH] clutter/stage-cogl: Avoid copying fb_clip_region

Because it gets destroyed (unreferenced) immediately after that.
This avoids a deep copy of potentially kilobytes of data.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1572>
---
 clutter/clutter/cogl/clutter-stage-cogl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c
index 794960e82..b7873896f 100644
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@@ -613,7 +613,7 @@ clutter_stage_cogl_redraw_view_primary (ClutterStageCogl *stage_cogl,
    * artefacts.
    */
   if (use_clipped_redraw)
-    swap_region = cairo_region_copy (fb_clip_region);
+    swap_region = cairo_region_reference (fb_clip_region);
   else
     swap_region = cairo_region_create ();