1 files changed, 46 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/subdiv_displacement.c b/source/blender/blenkernel/intern/subdiv_displacement.c
new file mode 100644
index 00000000000..a6af6f45e59
--- /dev/null
+++ b/source/blender/blenkernel/intern/subdiv_displacement.c
@@ -0,0 +1,46 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2018 by Blender Foundation.
+ * All rights reserved.
+ *
+ * Contributor(s): Sergey Sharybin.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/blenkernel/intern/subdiv_displacement.c
+ *  \ingroup bke
+ */
+
+#include "BKE_subdiv.h"
+
+#include "BLI_utildefines.h"
+
+#include "MEM_guardedalloc.h"
+
+void BKE_subdiv_displacement_detach(Subdiv *subdiv)
+{
+	if (subdiv->displacement_evaluator == NULL) {
+		return;
+	}
+	if (subdiv->displacement_evaluator->free != NULL) {
+		subdiv->displacement_evaluator->free(subdiv->displacement_evaluator);
+	}
+	MEM_freeN(subdiv->displacement_evaluator);
+	subdiv->displacement_evaluator = NULL;
+}