Blender Git Loki

Edit Mesh: tweak vertex size & edge width

- Vertex size now matches the theme setting.
- Edge width is closer to a single pixel line.
- Face dot was scaled up to be drawn as a circle,
but is currently a square.

Merge branch 'master' into blender2.8

WM: suppress drag events if motion is handled

Merge branch 'master' into blender2.8

Cleanup: some more G.main removal.

We are really starting to scratch the last bits here...

Workbench OpenGL render: always render alpha on 1.0

Old implementation rendered alpha to 0.0 for background, but only during
deferred rendering. We should attach this to an DNA setting and also let
the forward shading respect this. But for now this is a better default

Cleanup: validate G.main's in creator code.

Using G_MAIN here is valid!

Cleanup: G.main removal from 2.8-only code.

Merge branch 'master' into blender2.8

Hair editing: Use original object's particles for drawing

This allows to rely on brush to update children positions,
and avoid tag of object. Makes it way faster to comb with
children enabled.

Hair editing: Multi-thread various parts

Currently focused on making parts which are a bottleneck for Spring,
to make things fast as possible. There are surely lots of places
where threading is not currently done, but we can keep doing this,
maybe even with help from the community :)

Hair editing: Only tag Copy-on-Write when children are enabled

Without children we only need to update batch cache. This way
we don't re-evaluate the whole modifier stack just to perform
child particles redistribution.

Cleanup: some more G.main removal/validation...

Dependency graph fixes for RigidBodyWorld

- rbw->group added to the depsgraph.
- Mesh evaluation added when necessary.
- Prevent of double-free by freeing the scene before objects.

Keymap: use click event for tab-key

Checking release events would toggle edit-mode during alt-tab
cycling on X11.

Now both press and release events are needed.

Workbench: Disable AA when doing opengl render.

- OpenGL uses linear space and has its own AA. So we don't calculate
when doing opengl rendering.

Merge branch 'master' into blender2.8

Fix more Cycles CUDA errors after recent changes.

Fix T55443: Manipulators not refreshing

Merge branch 'master' into blender28