Blender Git Loki

Cleanup: codestyle

Merge branch 'master' into blender2.8

CMake: add missing headers

Cleanup: use clamp_* from BLI_math (replace macro)

Merge branch 'blender2.8' of git.blender.org:blender into blender2.8

Fix : Build error with uchar in intern_gawain.

error introduced by D3483, intern_gawain has no access to bli_systypes.h

Amend OSL shader w.r.t. Melanin changes

Refactor Melanin into Tungsten's quantity and ratio parameters

Remap randomization to roughness/color � the given percentage factor

Custom Hdri: Use same AntiAliasing as Matcaps

StudioLights: Fix preview icon.

Use same antialiasing method as the matcaps and fix the normal computation.

Matcap: Make matcap preview the same size as the other StudioLights

Matcaps: Add AntiAlias alpha mask to icon preview.

Studio Light: Fix typo

Outlines: Don't draw Xray mode outlines in material or render mode

Reorder sockets according to usefulness

Remove two possible sources of NaNs

GLRefactor: Remove all GL types from gawains public headers.

In preparation for possible alternative back-ends, the dependency on glew.h needs to be confined to as few libraries as possible. This patch removes all gl types from the public gawain headers.

It'll need some more refactoring later on, but for now this will suffice.

Reviewer: brecht, fclem

Differential Revision: https://developer.blender.org/D3482

Merge remote-tracking branch 'origin/master' into blender2.8

make.bat: Fix `make showhashes` not working.

broke in recent refactor.