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The mask overlay wasn't part of the overlay engine. The reasoning nehind this was that more editors used the mask overlay and most of them used old drawing code. This patch adds the mask overlay drawing to the draw overlay engine. This code path will only be used by the image editor VSE, Compositor and Movie Clip editor will still use the previous method. During this patch some alternatives have been researched: 1. `ED_mask_draw_region`: this would lead to different code paths when drawing in the image editor, and some hacks to retrieve the correct framebuffer. 2. Add mask drawing to image engine: Would lead to incorrect color management when viewing the mask. 3. Add mask drawing to image engine and overlay engine: Would lead to duplicated code. 4. Add mask drawing to overlay engine and for combined overlay select the correct framebuffer. Option 4 was chosen as the exception (switching framebuffers) can be done without hacks. The code stays clean.
.. 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 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.