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Crash was caused since the function pointers `s_xrGetOpenGLGraphicsRequirementsKHR_fn`/ `s_xrGetD3D11GraphicsRequirementsKHR_fn` were static and were not updated with the correct proc address after being set the first time. As stated in the OpenXR spec: "function pointers returned by xrGetInstanceProcAddr using one XrInstance may not be valid when used with objects related to a different XrInstance". Although it would seem reasonable that the proc address would not change if the instance was the same (hence the `static XrInstance s_instance;`), in testing, repeated calls to `xrGetInstanceProcAddress()` with the same instance still can result in changes (at least for the SteamVR runtime) so the workaround is to simply set the function pointers every time, essentially trivializing their `static` designations. Reviewed By: Severin Maniphest Tasks: T94268 Differential Revision: https://developer.blender.org/D14023
.. 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.