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Even though the `no_unique_address` attribute has only been standardized in C++20, compilers seem to support it with C++17 already. This attribute allows reducing the memory footprint of structs which have empty types as data members (usually that is an allocator or inline buffer in Blender). Previously, one had to use the empty base optimization to achieve the same effect, which requires a lot of boilerplate code. The types that benefit from this the most are `Vector` and `Array`, which usually become 8 bytes smaller. All types which use these core data structures get smaller as well of course. Differential Revision: https://developer.blender.org/D14993
.. 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.