Blender Git Loki

Cycles: Fixed Shadow and Mist passes with adaptive sampling.

This also fixes a side-effect where turning on UV pass but leaving
Shadow pass turned off destroyed the Combined pass.

Color transforms were fixed in Windows MR -> disable our workaround

Fix T74617: Gpencil Sculpt Strength brush gets wonky results

Changed how the strength is calcul�ated and reduce the factor to get a smoother result.

Merge branch 'soc-2019-openxr' into vr_scene_inspection

Remove old files/changes, git keeps bringing them back...

Minor cleanup: Avoid forward declaration

Remove obscure unique_oxr_ptr, implement alternative RAII for swapchain

Add an own class for the swapchain, through which we can ensure correct
RAII resource management.

Cleanup: Avoid macros, don't print source location for errors

Cleanup: Address various review comments

Add comments to C-API function declarations

Merge branch 'temp-openxr-blenderside' into soc-2019-openxr

Fix rendering artifacts when changing Face Sets visibility

All sculpt operators and brushes need to use ID_RECALC_SHADING even when
PBVH rendering is not used.

Merge branch 'temp-openxr-ghostxr' into temp-openxr-blenderside

Cleanup: Clarify places to look for subversion bump

Remove old files/changes, git keeps bringing them back...

Minor cleanup: Avoid forward declaration

Remove obscure unique_oxr_ptr, implement alternative RAII for swapchain

Add an own class for the swapchain, through which we can ensure correct
RAII resource management.

Fix T74613: Assign the default face set color in the versioning code

A default face set color was not being set in previously saved meshes,
so it will always render the default face set with a random color until
the colors were recalculated.

Bump subversion to 283.8

Reviewed By: dfelinto

Maniphest Tasks: T74613

Differential Revision: https://developer.blender.org/D7094

Cleanup: Add comment explaining DPI influence on RNA pixel-properties

Good to be explicit about the fact that we may still use the pixel
property sub-type when DPI will be applied.
See comments in https://developer.blender.org/D7077.

undoe-experiments: cleanup: proper printf format for uint...