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This patch implements the Ghost Glare node. It is implemented using direct convolution as opposed to a recursive one, which produces slightly different results---more accurate ones, however, since the ghosts are attenuated where it matters, the difference is barely visible and is acceptable as far as I can tell. A possible performance improvement is to implement all passes in a single shader dispatch, where an array of all scales and color modulators is computed recursively on the host then used in the shader to add all ghosts, avoiding usage of global memory and unnecessary copies. This optimization will be implemented separately. Differential Revision: https://developer.blender.org/D16641 Reviewed By: Clement Foucault
.. 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.