[Bf-blender-cvs] [54cde6d096] id_override_static: Fix T49249: Alembic export with multiple hair systems crash blender

[Sybren A. Stüvel]

Commit: 54cde6d096d846ff259bdff139faac089a060db7
Author: Sybren A. Stüvel
Date:   Wed Feb 8 11:47:16 2017 +0100
Branches: id_override_static
https://developer.blender.org/rB54cde6d096d846ff259bdff139faac089a060db7

Fix T49249: Alembic export with multiple hair systems crash blender

Removed unnecessary call to DM_update_tessface_data(). This call is
already performed by DM_ensure_tessface(dm). The call being performed
twice caused a failing BLI_assert().

Reviewed by: Kévin Dietrich

===================================================================

M	source/blender/alembic/intern/abc_hair.cc

===================================================================

diff --git a/source/blender/alembic/intern/abc_hair.cc b/source/blender/alembic/intern/abc_hair.cc
index 626883c86f..e328df24e5 100644
--- a/source/blender/alembic/intern/abc_hair.cc
+++ b/source/blender/alembic/intern/abc_hair.cc
@@ -77,7 +77,6 @@ void AbcHairWriter::do_write()
 
 	DerivedMesh *dm = mesh_create_derived_view(m_scene, m_object, CD_MASK_MESH);
 	DM_ensure_tessface(dm);
-	DM_update_tessface_data(dm);
 
 	std::vector<Imath::V3f> verts;
 	std::vector<int32_t> hvertices;