Subdiv: Cleanup, deduplicate some code

1 files changed, 48 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/subdiv_inline.h b/source/blender/blenkernel/intern/subdiv_inline.h
new file mode 100644
index 00000000000..c9e924ced82
--- /dev/null
+++ b/source/blender/blenkernel/intern/subdiv_inline.h
@@ -0,0 +1,48 @@
+/*
+ * ***** 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_inline.h
+ *  \ingroup bke
+ */
+
+#ifndef __BKE_SUBDIV_INLINE_H__
+#define __BKE_SUBDIV_INLINE_H__
+
+#include "BKE_subdiv.h"
+
+BLI_INLINE void BKE_subdiv_ptex_face_uv_to_grid_uv(
+        const float ptex_u, const float ptex_v,
+        float *r_grid_u, float *r_grid_v)
+{
+	*r_grid_u = 1.0f - ptex_v;
+	*r_grid_v = 1.0f - ptex_u;
+}
+
+BLI_INLINE int BKE_subdiv_grid_size_from_level(const int level)
+{
+	return (1 << (level - 1)) + 1;
+}
+
+#endif  /* __BKE_SUBDIV_INLINE_H__ */