Blender Git Loki

Merge branch 'blender2.8' into custom-manipulators

Merge branch 'blender2.8' into custom-manipulators

Merge branch 'blender2.8' into custom-manipulators

Needed to add GLU back for purpose of merging, noted with IMM-FIXME

Merge branch 'blender2.8' into custom-manipulators

added cleanup routine in destructor for multigrid

updated manta pp files

Clear hmd window when no loaded

Without this, the window could be saved in an invalid state.

Remove ifdef check for file versioning

File patching shouldn't depend on build options

Sync with master and minor formatting

use 'use_' as an RNA prefix

Merge branch 'master' into datablock_idprops

Correct last commit, also quiet warnings

Use max_ff

Fix for building without HMD

Merge branch 'master' into HMD_viewport

fix: T50412 - collada: Replaced precision local limit function by blender's own implementation

Fixes for Windows compile, fixes crashes when trying to open locked devices

Cleanup code

Remove unused ARegion parameter

This parameter was added for new shaders, but finally is not used.

Remove scale factor for thickness

With the new draw manager, calculate the scale in the drawing is not a solution because the batch drawing need to include the scale calculation in the shader.

TODO: Add scale calculation to shader itself.