Blender Git Loki

remove unused MappedArrayRef class

implement an actual string map that does not rely on std::string

improve ArrayRef and StringRef

Merge branch 'master' into functions

Added code from main blender repo

GPencil: Avoid error when material slot is empty in Convert to

Commited the latest code in branch

Windows/deps: Add/fix openxr_sdk dependency

There were a few typos here and there, and the openxr_sdk does not respect the cflags we give it hence a patch was added to work around this undesirable behaviour.

Merge branch 'master' into temp-lanpr-staging

Merge remote-tracking branch 'origin/master' into temp-lanpr-staging

Update embree to support all kind of curve

GPencil: Check the material converted from curves has something
Check the material has Stroke or Fill enabled and avoid unactivated materials.

Refactor to use abstract mesh interface.

If use abstract mesh interface instead of BMesh then there is hope
that modifier can avoid need to convert to/from BMesh.

Merge branch 'master' into soc-2019-openxr

fix set vector remove

GPencil: When convert curve do not enable Stroke always

When the converted curve has only fill, the stroke must be set to off.

Merge branch 'master' into greasepencil-object

Merge branch 'master' into functions

Fix compiling with WITH_OPENXR disabled

Blacklist VR add-on in Python tests if WITH_OPENXR is disabled