[Bf-blender-cvs] [b16b847882d] usd-importer-T81257-merge: USD import: orientation bug.

[makowalski]

Commit: b16b847882d24df11fa88cc47441f240640daba0
Author: makowalski
Date:   Mon Feb 8 15:29:45 2021 -0500
Branches: usd-importer-T81257-merge
https://developer.blender.org/rBb16b847882d24df11fa88cc47441f240640daba0

USD import: orientation bug.

Uninitialized USDMeshReader::m_isLeftHanded flag was
causing the vertex winding orientation to randomly flip,
causing incorrect shading and other issues.

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

M	source/blender/io/usd/intern/usd_reader_mesh.cc

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

diff --git a/source/blender/io/usd/intern/usd_reader_mesh.cc b/source/blender/io/usd/intern/usd_reader_mesh.cc
index 0bc21145e5b..e48ce812a2e 100644
--- a/source/blender/io/usd/intern/usd_reader_mesh.cc
+++ b/source/blender/io/usd/intern/usd_reader_mesh.cc
@@ -162,6 +162,7 @@ USDMeshReader::USDMeshReader(pxr::UsdStageRefPtr stage,
                              const USDImportParams &import_params,
                              ImportSettings &settings)
     : USDGeomReader(stage, object, import_params, settings),
+      m_isLeftHanded(false),
       m_lastNumPositions(-1),
       m_hasUVs(false),
       m_isTimeVarying(false),