From eeea2cec0d2811e4805b7b47f409462f9d7cc509 Mon Sep 17 00:00:00 2001
From: Nicholas Bishop <nicholasbishop@gmail.com>
Date: Sun, 7 Jun 2009 21:02:54 +0000
Subject: [PATCH] Multires/2.5:

Bugfix, restoring sculpting from undo data should mark the multires DM as modified.
---
 source/blender/blenkernel/intern/modifier.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c
index ec8d28aee6c..e8427a973d0 100644
--- a/source/blender/blenkernel/intern/modifier.c
+++ b/source/blender/blenkernel/intern/modifier.c
@@ -7867,6 +7867,8 @@ static DerivedMesh *multiresModifier_applyModifier(ModifierData *md, Object *ob,
 		}
 		CDDM_calc_normals(final);
 
+		MultiresDM_mark_as_modified(final);
+
 		MEM_freeN(mmd->undo_verts);
 		mmd->undo_signal = 0;
 		mmd->undo_verts = NULL;