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The crash happens because the origindex layers created as part of the modifier stack evaluation are not set in the `MeshRenderData` when they should have been. This is because when selecting in X-ray mode, a subdivision wrapper is created to ensure that selection happens with a subdivided geometry, and this replaces the `MDATA` wrapper which is also used to setup the `MeshRenderData`. As we do not seemingly have an `MDATA` wrapper, the draw code decides that we can extract draw buffers directly from the BMesh, instead of the mapped Mesh with origin indices layers. To fix this, we should also consider to use mapped extraction if a subdivision wrapper exists on the mesh. Differential Revision: https://developer.blender.org/D14485
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU General Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.