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The issue was caused by the recent changes in the way how the render result is drawn: the display driver now could hold an OpenGL resources. Those resources are not shared across contexts so whenever OpenGL context is destroyed those resources are to be destroyed as well (and not attempted to be re-used for a next render). Do such destruction and entire driver re-creation since it does simplifies things from API usage point of view without causing measurable slowdown. Steps to reproduce the issue: - Set the render resolution to 2x of Full HD - Enable persistent data - Render (F12) - Render again Observe OpenGL state being corrupted. Easy to see in debug mode where IMM abstraction level reports issues about the buffer size not being the proper size. This was caused by the display driver trying to use VAO from the previous OpenGL context. Differential Revision: https://developer.blender.org/D13789
.. 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.