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Addresses T76082. Since the DirectX backend does not work for AMD gpus (wglDXRegisterObjectNV() fails to register the shared OpenGL-DirectX render buffer, displaying a pink screen to the user), the original solution was to use SteamVR's OpenGL backend, which, as tested recently, seems to work without any issues on AMD hardware. However, the SteamVR OpenGL backend (on Windows) was disabled in fe492d922d6d since it resulted in crashes with NVIDIA gpus (and still crashes, as tested recently), so SteamVR would always use the AMD-incompatible DirectX backend (on Windows). This patch restores use of the SteamVR OpenGL backend for non-NVIDIA (AMD, etc.) gpus while maintaining the DirectX workaround for NVIDIA gpus. In this way, issues are still resolved on the NVIDIA side but AMD users can once again use the SteamVR runtime, which may be their only viable option of using Blender in VR. Reviewed By: Julian Eisel Differential Revision: https://developer.blender.org/D12409
.. 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.