Blender Git Loki

Potential fixes for Alembic unit tests on Windows.

See T51331.

Draw solid area while drawing for non solid colors

For these styles, the fill is simulated with a solid color that will be replaced when the stroke is completed

Rename files to align with naming conventions for drawing engines

Merge branch 'blender2.8' into greasepencil-object

Draw scene datablock using draw manager

The scene is drawn in the populate callback, and a flag is added to do it only once per drawing cycle.

Merge branch 'workspaces' into topbar

Conflicts:
source/blender/blenloader/intern/versioning_280.c
source/blender/editors/screen/workspace_edit.c

Merge branch 'blender2.8' into workspaces

Conflicts:
source/blender/blenkernel/BKE_layer.h
source/blender/blenkernel/intern/layer.c
source/blender/blenkernel/intern/library_query.c
source/blender/editors/interface/interface_eyedropper.c
source/blender/editors/space_image/space_image.c

Remove duplicate character on previous commit

Cleanup: remove evil context for toolsettings

Cleanup: create function with all drawing steps

This separate the drawing function in order to prepare for drawing scene datablock

Reduce the use of context functions and use DRWContextState members

MinGW: Fix various errors

MinGW: fix missing typedef

Adapt code to new context methods

Merge branch 'blender2.8' into greasepencil-object

MinGW: Adress review points raised in cmake

- Add early error on unsupported compiler
- Remove some `CMAKE_COMPILER_IS_GNUCC`
- Add back `if sys.platform == "win32":`

MinGW: From review: revert edits to Cycles, Libmv, FindGflags

Merge branch 'master' into soc-2016-pbvh-painting

App Templates: optionally use app-template path for workspaces

Also make WM_OT_save_workspace_file follow WM_OT_save_userpref logic
more closely.

Minor changes only, use BKE prefix and remove nested header