Blender Git Loki

Update Flatty themes with the new pulldown background and minor tweaks.

Fix Add menu issue when there are no collections to instance

Differential Revision: https://developer.blender.org/D3453

Merge branch 'blender2.8' into greasepencil-object

Draw background on pulldown widgets if the header is transparent.

Since the viewport header now supports transparency, text on pulldowns
can be hard to read if their color matches the viewport content.

Background is drawn using the 'inner' theme color, that was unused until now.

Fix wrong min/max range for primary reflection roughness.

Fix hair shader not working in final render.

Fix broken logic in make static override operators for Collections.

Was pretty sure I already fixed that some weeks ago... but look like it
was not committed or somehow lost...

Mesh: Replace DM for mesh w/ wpaint vertex picking

Eevee: Light Cache: Create Probe data and share the lightcache.

The lightcache is now can shared between viewlayers. We need this to share
the lighting data with the original viewlayer with the baking layer.

The cache is still not working.

Eevee: Light Cache: Add Operator and base implementation.

Does nothing at the moment. Just create a job and search all probes in a
view layer.

Only works if copy on write is enabled.

UI: don't show XYZ text w/ direction buttons

Cleanup: rename vars

Mesh: Replace DM for mesh -> curve conversion

Cleanup: Remove old legacy immediate mode drawing code

This was not being used. At least from simple tests, all options seemed to be working ok

Cleanup: Fix compiler warning

Mesh versions of DerivedMesh access API calls

Add mesh_get_eval_final & mesh_get_eval_deform

Note: these will eventually need to be renamed & moved into BKE.

Cleanup: quiet warning, don't set unused alpha

Draw motionpaths with thicker lines by default - Now 2px thick

Copy object animviz settings when doing COW

It probably doesn't hurt to do an explicit copy here - it's done for pose too.
However, it still doesn't solve the problem of keyframe labels not showing up
at all on motionpaths from old files.

Fix: Motionpaths were not drawing for bones

As with the objects case earlier, the problem was that when doing COW for the
viewport, the pchan->mpath pointer was just getting set to NULL in the copying
code. It's unclear for now whether this will cause any problems down the track
somewhere else - the comment there was non-specific about why we were explicitly
not copying/keeping the old link.