Blender Git Loki

Initial Refactor of code preserving caches during undo.

This is a proof od concept, it only implements new system for bSound
data-block as test subject.

Decoupled splitting from branched path integrator.

Made two functions static to silence a warning.

BuildbotLTS: Project Documentation

Added README.md containing a overview of the project.

Fix T78533: Skip image texture if image filepath is empty

First coplanar boolean test passes.

Implemented sorting of coplanar triangles.
Also, make format.

Export smooth groups for smooth shaded meshes.

Cleanup and silence compiler warning

Fix log printing error

Merge branch 'show-python-eval-logs' into soc-2020-info-editor

Add experimental support for catching python stdin/out

Python evaluation logs will be printed as info report

Fix GPL license copyright year

Convert local logger to global

- convert prints to CLOGs

Convert print to CLOGs

- change printing function style to be CLOG friendly
- remove G.debug and ifdef guards in favour of CLOG_INFO

Remove object filtering code from export_frame.

Also return early if the file cannot be opened before looping over all
the objects in a frame.

Use BKE_mesh_calc_poly_normal

Replace custom normal calculation function with an existing function.

Merge branch 'master' into temp-gpencil-mat-masking

Merge branch 'master' into greasepencil-edit-curve

Merge branch 'master' into greasepencil-object

Fix T77095: fix Cycles performance regression with AMD RX cards

Apply the workaround only for known problematic drivers. The latest pro driver
appears to work correctly, hopefully the regular driver will as well once it
is updated to the same OpenCL driver version (3075.13).