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Previously the storage here was optimized to avoid indirections in BVH2 traversal. This helps improve performance a bit, but makes performance and memory usage of Embree and OptiX BVHs a bit worse also. It also adds code complexity in other parts of the code. Now decouple triangle and curve primitive storage from BVH2. * Reduced peak memory usage on all devices * Bit better performance for OptiX and Embree * Bit worse performance for CUDA * Simplified code: ** Intersection.prim/object now matches ShaderData.prim/object ** No more offset manipulation for mesh displacement before a BVH is built ** Remove primitive packing code and flags for Embree and OptiX ** Curve segments are now stored in a KernelCurve struct * Also happens to fix a bug in baking with incorrect prim/object Fixes T91968, T91770, T91902 Differential Revision: https://developer.blender.org/D12766
.. 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.