Blender Git Loki

Merge branch 'master' into greasepencil-edit-curve

Merge branch 'blender-v2.90-release'

Fix T78308: Weight Transfer Operator "Deform Pose Bones" destination setting doesn't work.

Some modes were working by mere chance in that ugly 'reversed' case, but
the to/from selection modes were not properly swapped...

Should also be safe for 2.83.

Merge branch 'blender-v2.90-release'

Fix T78306: Weight Transfer Operator target mesh doesn't update when transforming bones.

Data transfer operator was missing tagging DEG for relations updates.

Should be portable to 2.83 as well.

Merge remote-tracking branch 'origin/blender-v2.90-release'

CMake: reject older GCC version when using precompiled Linux libraries

In the situation where the precompiled libraries are used on Linux +
GCC, a version of GCC older than 9.3 is guaranteed to cause problems.

This just implents a fatal error message when we know it doesn't make
sense to continue. We could do more checks and add some warnings, but
it's very likely that these will be ignored amongst the other noise.

Reviewed By: sergey, brecht

Differential Revision: https://developer.blender.org/D8396

Particles: support Clamp node

Cleanup: fixed compiler warning about `strncat`

`strncat(command, "x", 1)` is the same as `strcat(command, "x")`, except
that the latter form doesn't trigger a GCC warning.

No functional changes.

LineArt: Fix compiler warnings

Merge branch 'master' into lanpr-under-gp

Merge branch 'master' into soc-2020-fluid-tools

Cleanup: remove outdated comment

Functions: add some tests for virtual spans

Particles: initial support for events and actions

The following nodes work now (although things can still be improved of course):
Particle Birth Event, Praticle Time Step Event, Set Particle Attribute and Execute Condition.

Multiple Set Particle Attribute nodes can be chained using the "Execute" sockets.
They will be executed from left to right.

Merge branch 'blender-v2.90-release'

Cycles: Enable OptiX on first generation Maxwell GPUs again

Increase hard limit for Remesher octree depth

Adding more precision to help making watertight objects to be printed.

Merge remote-tracking branch 'origin/blender-v2.90-release'

Cleanup: Fix compiler warning about function without prototype

No functional changes.