1 files changed, 34 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/subdiv_topology.c b/source/blender/blenkernel/intern/subdiv_topology.c
new file mode 100644
index 00000000000..455fa2cf28f
--- /dev/null
+++ b/source/blender/blenkernel/intern/subdiv_topology.c
@@ -0,0 +1,34 @@
+/*
+ * 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) 2019 by Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup bke
+ */
+
+#include "BKE_subdiv_topology.h"
+
+#include "BKE_subdiv.h"
+
+#include "opensubdiv_topology_refiner_capi.h"
+
+int BKE_subdiv_topology_num_fvar_layers_get(const struct Subdiv *subdiv)
+{
+  OpenSubdiv_TopologyRefiner *topology_refiner = subdiv->topology_refiner;
+  return topology_refiner->getNumFVarChannels(topology_refiner);
+}