Commit: 20283bfa0b1e38f6c33271b97f22488103243b50
Author: Sergey Sharybin
Date: Wed Feb 15 14:58:49 2017 +0100
Branches: master
https://developer.blender.org/rB20283bfa0b1e38f6c33271b97f22488103243b50
Fix wrong loop normals left after face splitting
Let's keep all data in a consistent state, so we don't have any
issues later on.
This solves rendering artifacts mentioned in the previous commit.
===================================================================
M source/blender/blenkernel/intern/mesh.c
===================================================================
diff --git a/source/blender/blenkernel/intern/mesh.c
b/source/blender/blenkernel/intern/mesh.c
index 75e2a13f06..42b6a841da 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -2300,6 +2300,11 @@ void BKE_mesh_split_faces(Mesh *mesh)
loop_prev = loop;
}
}
+ /* Adding new vertices will change loop normals.
+ * Since we ensured there is CD_NORMAL layer for loops we must bring it
+ * it back to a consistent state.
+ */
+ BKE_mesh_calc_normals_split(mesh);
#ifdef VALIDATE_MESH
BKE_mesh_validate(mesh, true, true);
#endif
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