Blender Git Loki

Mesh Filter: Init random displacement only once

The random mesh filter should be much faster now, and it should not do
weird things when adjusting the strength.

Mesh Filter: Initial work for relax mesh filter

The mesh filter tool now manages its own orco cache, so there is no need
for a global orco mode using the pbvh proxies. The tool should be much
faster than before.
The code for the relax mesh filter is there, but it is disabled in the
interface until the algorithm is finished.

Merge branch 'master' into greasepencil-object

Merge branch 'master' into greasepencil-object

Merge branch 'master' into greasepencil-object

Merge branch 'master' into greasepencil-object

Cleanup: comments formatting

Relax Brush: Initial implementation

Work in progress. This still has a lot of bugs and I'm not sure if this
approach is the best for this kind of smoothing. The current
implementation can't handle poles with 5 vertices or more, so it doesn't
work properly with the result of the voxel remesher. It does not support
multires.
Also, I'm using gsets to store the smoothing groups. I'm sure that there
is a better way to do it. If for some reason someone enters sculpt mode
and touches a pole with 30 vertices it should not crash, but it adds an
unnecessary overhead when working with properly constructed quad meshes.

Some documentation for the C++ data structures in BLI

Merge branch 'master' into greasepencil-object

Merge branch 'master' into functions

utilities to access function parameters

use ArrayRef in more places

missing from last commit

initial support for defaults when using auto vectorization

improve ArrayRef

support different list lengths in llvm vectorization

Merge branch 'master' into greasepencil-object

Mantaflow: Fix for smoke emission from particles

Merge branch 'master' into greasepencil-object