1 files changed, 62 insertions, 0 deletions
diff --git a/source/blender/bmesh/intern/bmesh_mesh_normals.h b/source/blender/bmesh/intern/bmesh_mesh_normals.h
new file mode 100644
index 00000000000..41191340e9e
--- /dev/null
+++ b/source/blender/bmesh/intern/bmesh_mesh_normals.h
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+/** \file
+ * \ingroup bmesh
+ */
+
+#include "bmesh_class.h"
+
+void BM_mesh_normals_update(BMesh *bm);
+void BM_mesh_normals_update_with_partial(BMesh *bm, const struct BMPartialUpdate *bmpinfo);
+
+void BM_verts_calc_normal_vcos(BMesh *bm,
+                               const float (*fnos)[3],
+                               const float (*vcos)[3],
+                               float (*vnos)[3]);
+void BM_loops_calc_normal_vcos(BMesh *bm,
+                               const float (*vcos)[3],
+                               const float (*vnos)[3],
+                               const float (*fnos)[3],
+                               const bool use_split_normals,
+                               const float split_angle,
+                               float (*r_lnos)[3],
+                               struct MLoopNorSpaceArray *r_lnors_spacearr,
+                               short (*clnors_data)[2],
+                               const int cd_loop_clnors_offset,
+                               const bool do_rebuild);
+
+bool BM_loop_check_cyclic_smooth_fan(BMLoop *l_curr);
+void BM_lnorspacearr_store(BMesh *bm, float (*r_lnors)[3]);
+void BM_lnorspace_invalidate(BMesh *bm, const bool do_invalidate_all);
+void BM_lnorspace_rebuild(BMesh *bm, bool preserve_clnor);
+void BM_lnorspace_update(BMesh *bm);
+void BM_normals_loops_edges_tag(BMesh *bm, const bool do_edges);
+#ifndef NDEBUG
+void BM_lnorspace_err(BMesh *bm);
+#endif
+
+/* Loop Generics */
+struct BMLoopNorEditDataArray *BM_loop_normal_editdata_array_init(BMesh *bm,
+                                                                  const bool do_all_loops_of_vert);
+void BM_loop_normal_editdata_array_free(struct BMLoopNorEditDataArray *lnors_ed_arr);
+
+bool BM_custom_loop_normals_to_vector_layer(struct BMesh *bm);
+void BM_custom_loop_normals_from_vector_layer(struct BMesh *bm, bool add_sharp_edges);
+
+void BM_edges_sharp_from_angle_set(BMesh *bm, const float split_angle);