1 files changed, 6 insertions, 0 deletions
diff --git a/clutter/glx/clutter-stage-glx.h b/clutter/glx/clutter-stage-glx.h
index 9baa0f3d4..37f219ec8 100644
--- a/clutter/glx/clutter-stage-glx.h
+++ b/clutter/glx/clutter-stage-glx.h
@@ -44,6 +44,8 @@ G_BEGIN_DECLS
 typedef struct _ClutterStageGLX         ClutterStageGLX;
 typedef struct _ClutterStageGLXClass    ClutterStageGLXClass;
 
+#define CLUTTER_STAGE_GLX_MAX_SWAP_CHAIN_LENGTH 3
+
 struct _ClutterStageGLX
 {
   ClutterStageX11 parent_instance;
@@ -61,6 +63,10 @@ struct _ClutterStageGLX
 
   ClutterGeometry bounding_redraw_clip;
 
+  ClutterGeometry old_redraw_clips[CLUTTER_STAGE_GLX_MAX_SWAP_CHAIN_LENGTH - 1];
+  int n_old_redraw_clips;
+  int max_old_redraw_clips;
+
   guint initialized_redraw_clip : 1;
 };