Blender Git Loki

Don't draw HMD view lens shader if session is not running

Fixup Python UI definition after lens shader removal

Refactor split-view drawing to make popups readable

Fix fragment shader compile error on Intel GPUs

Fix broken screen-setups after creating workspaces or layouts

added handlers which are triggered after freeing shards and before rebuilding constraints

this is supposed to keep externally loaded data in place when changing over to dynamic fracture, the handler triggers a python script which populates the meshislands and another to populate the constraints via the FM python API.
Additionally a couple of minor fixes for dynamic fracturing.

Reorganize UI panels in other space types (not 3D view)

Remove GP layers from properties panel in 3D view.

All the layer info has been moved to Properties Scene or Object

Change Panel to use scene in properties if context is scene

Cleanup: Style, remove unused function, use wrapper struct for arguments

Wrap screen-layout data into own struct

Makes it easier to pass around.

Fix crash when changing workspace

There are more issues when changing workspaces and I think I know
how to fix them, but it may need some further changes.

Make duplicating workspaces work

Fix errors in areabase/vertbase storage

Change panel class name to avoid conflicts

Merge branch 'workspaces' into temp-workspace-multi-window

Merge branch 'blender2.8' into workspaces

Add GPencil Layer to Scene UI panel

Remove unused parameters in UI panel for GP Object

The type of display is not used in GPencil object.

Merge branch 'master' into temp-select-pick