Subvid: Initial support of subdiv topology query

Just some higher level functions to access topology information.

1 files changed, 31 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_subdiv_topology.h b/source/blender/blenkernel/BKE_subdiv_topology.h
new file mode 100644
index 00000000000..dd057d88fb6
--- /dev/null
+++ b/source/blender/blenkernel/BKE_subdiv_topology.h
@@ -0,0 +1,31 @@
+/*
+ * 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
+ */
+
+#ifndef __BKE_SUBDIV_TOPOLOGY_H__
+#define __BKE_SUBDIV_TOPOLOGY_H__
+
+struct Subdiv;
+
+int BKE_subdiv_topology_num_fvar_layers_get(const struct Subdiv *subdiv);
+
+#endif /* __BKE_SUBDIV_TOPOLOGY_H__ */