Blender Git Loki

GPencil: Keep current Tool when reset all brushes

EEVEE: Viewport Renderpasses

This patch will allow the user to select the EEVEE renderpass to be
shown in the viewport by default the combined pass will be shown.

Limitations:

* Viewport rendering stores the result in a `RenderResult`. RenderResult
is not aware of the type of data it holds. In many places where RenderResult
is used it is assumed that it stores a combined pass and the display+view
transform are applied.

I will propose to fix this in a future patch. But that is still being
designed and discussed.

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D6319

Merge branch 'master' into greasepencil-object

GPencil: Simplify Reset All brushes code

BMesh: reduce memory usage existing edit-mode

- Don't duplicate the original vertices.
- Free old geometry before allocating the new geometry.

LANPR: Camera shift value assign.

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

Fix separating mesh parts breaking vertex parents & hooks

Follow up on T71865 which only reported the issue for shape keys.

LANPR: Remove debug print in triangle clipping

LANPR: Removed camera references in RenderBuffer. Safe for thread ops.

LANPR: Locking parent thread when loading scenes into lanpr.

NDOF: support panning when orbiting

Also make orbit the default rotation mode.

Based on feedback from T67579, this seems one of the main
pain points users are experiencing.

LANPR: Renderbuffer creation changed to re-init.

LANPR: Const qualifiers for some of the functions

Cycles: Scale denoising albedo contribution of Principled BSDFs according to average fresnel

The Principled BSDF uses Microfacet closures that include a fresnel term,
which are a special case since their weight tends to be near white even
if their average contribution is fairly low.

The sample weight is scaled by the average fresnel weight to account for
this, but the denoising albedo still used the unscaled weight.

This was fine for the original denoiser, but apparently OIDN can't handle
the resulting albedo pass well. Therefore, this commit adds the described
scaling to the albedo pass contribution as well.

This problem was described in T69770.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D6289

Merge branch 'master' into greasepencil-object

Conflicts:
source/blender/blenloader/intern/versioning_280.c

GPencil: Check NULL Pointer

GPencil: Only reset Brushes of the same tool

Fix T71865: Separating mesh parts breaks shape keys

This was an old bug which could be caused by saving after separating.
Changes from 79b703bb635e made this fail reliably.

Update shape key indices when they may be used again later.

Cleanup: bmesh conversion comments