Blender Git Loki

Add `StringRef::trim()` functions

Add three functions that trim characters from the front & end of a
`StringRef`. All functions return a new `StringRef` that references a
sub-string of the original `StringRef`.

- `trim(chars_to_remove)`: strips all characters from the start and end
that occur in `chars_to_remove`.
- `trim(char_to_remove)`: same, but with a single character to remove.
- `trim()`: remove leading & trailing whitespace, so same as
`trim(" rnt")`

Reviewed By: JacquesLucke

Differential Revision: https://developer.blender.org/D12031

PyAPI: support multi-dimensional arrays for bpy.props vector types

- Multi-dimensional boolean, int and float vector types are supported.
- A sequence of int's for the "size" is used to declare dimensions.
- Nested sequences are required for default arguments.

Now it's possible to define matrix properties, for e.g:

bpy.props.FloatVectorProperty(size=(4, 4), subtype='MATRIX')

Deps builder: OIIO/OSL/ISPC/OIDN/LLVM/Flex updates

This diff somewhat snowballed out of updating OIDN to 1.4.1 it had some
changes that allowed us to remove the arm hacks we had in place and
revert to using identical versions for a whole bunch of deps. But that
required an update to ISPC which needed a newer LLVM and if we're
updating LLVM we may as well update OSL, and when we update OSL, OIIO
may as well be dragged in soo......anyhow...

This diff updates:

LLVM 9.0.0 (11.0.1 for mac/arm) -> 12.0.0
OIIO 2.1.15.0 -> 2.2.15.1
OSL 1.11.10.0 -> 1.11.14.1
winflex_bison 2.5.5-> 2.5.24 (ispc needed newer bison, windows only dep)
OIDN 1.4.0 -> 1.4.1
ISPC v1.14.1(random hash for mac/arm) -> v1.16.0
Flex 2.6.4 (ISPC needed newer Flex than available on CentOS 7)

and removes most of the "special arm/mac" versions. I think just ssl and
embree are left with special versions.

notable changes:
@LazyDodo included some clang headers in the linux/mac harvest which are
needed to start writing custom clang based tooling like D9465 these were
already shipping on windows, but not the other platforms.

[macOS] Change the `LC_ID_DYLIB` of OpenMP for {D11997}. This changes
where the executables look for dylibs.

Reviewed By: sebbas, LazyDodo

Differential Revision: https://developer.blender.org/D11748

VSE: Draw strips transparent during transform overlap

While transforming a strip, draw the background semi-transparent
if it overlaps with another strip. It's convenient to see what's
underneath, especially with the upcoming Overwrite feature.

Thanks to @iss for the help and review.

Fix missing passes update on Use Denoising change

Makes it so Render Layers node in the compositor is updated as soon
as Use Denoising is changed for the final render.

Differential Revision: https://developer.blender.org/D12010

Fix T90154, T90213: curve issues since recent cleanup commit

Caused by {rB8cbff7093d65}.

Since above commit only one modifier would get calculated and the
displaylist boundingbox was calculated wrong.

Maniphest Tasks: T90154

Differential Revision: https://developer.blender.org/D12037

Cleanup: pass sizeof array element to PyC_AsArray

Replace the is_double argument which was only used for single/double
precision floats.

This allows supporting different sized int types more easily.

VSE: Change grid line drawing

Add overlay option to disable grid drawing.
Reuse drawing code from other editors (timeline editor)
Add argument `display_minor_lines` to function
`UI_view2d_draw_lines_x__discrete_frames_or_seconds`
This way minor line drawing can be disabled and so it doesn't cause
too much visual noise. Also spacing seems to be too fine, so VSE uses 3x
what is defined in preferences.

Reviewed By: fsiddi, Severin

Differential Revision: https://developer.blender.org/D11790

Cleanup: spelling

Fix particle system duplication duplicates all systems

Followup to rB3834dc2f7b38 (where getting the proper particle system was
fixed for the Adjust Last Operation panel in the Properties Editor). But
since this operator can also be called from the 3DView, get a current
particle system there as well.

Without this, _all_ particle systems would be copied when executing from
the 3DView (which was never really intended [operator description uses
singular] -- it just happens to use `copy_particle_systems_to_object`
internally as well -- same as the `Copy Active/All to Selected Objects`
operators)).

ref. T83317

Maniphest Tasks: T83317

Differential Revision: https://developer.blender.org/D12033

VSE: Add tooltips for add_effect_strips operator

This patch adds propper tooltips to the effect strips in the "Add" menu.
Note that not all effect strips are actually in the "Effect Strips"
submenu like color strips, text strips or transitions. For these types
of effect strips, a dediacted tooltip is especially useful.

Reviewed By: ISS

Differential Revision: https://developer.blender.org/D11714

Geometry Nodes: Add node labels to Attribute maths nodes

This adds the operator name to the node label which is consistent with the shading nodes.
The vector node has `Vector` as a prefix.

The Attribute nodes already have a different coloured header.

The same label is used when collapsing nodes, this helps readability.

Reviewed By: pablovazquez

Differential Revision: https://developer.blender.org/D10749

Install_deps: add flex dependency.

Was already installed on Debian-like and Fedore/Suse actually, now also
explicitely required on Arch and listed in docs.

Ref. T88438.

Assets: Improve error message when "Clear Asset" fails

When using "Clear Asset" from the Asset Browser but with an asset
selected that is not stored in the current file, we can show a more
informative error message.

Fix gpu.types.GPUTexture crash when the size argument was too big

Missing length check on the size argument before copying it
into a fixed size buffer.

cleanup: editor_image : Remove unused draw functions

These functions are unused currently..

Reviewed By: deadpin, jbakker

Differential Revision: https://developer.blender.org/D11968

Fix 'BLI_task_parallel_mempool' keeping 'user_chunk' unchanged

When `BLI_task_parallel_mempool` does not use threading, the
`userdata_chunk` is allocated locally simulating a TLS.

However `func_reduce` is not called so the original chunk is ignored.

`task_parallel_iterator_no_threads` is another function that doesn't call
`func_reduce`. It also ignores `userdata_chunk_local` in the main iterator.

The solution in these cases is not to create a `userdata_chunk_local`.

This fixes T90131

Differential Revision: https://developer.blender.org/D12067

deps: Reduce llvm/clang footprint for windows

We shipped the whole bin folder for llvm/clang
while we only needed clang-format, by shipping
just the bits we need we save about 700 megabytes
off our svn lib download.

Fix (studio-reported) liboverride resync crash after recent changes.

Recent own rBabf3ce811f6e prevented any LayerCollection update during
the whole liboverride resync process, for both performances and feature
reasons.

However that means that the various runtime caches like the Base GHash
are not cleared anymore during ID remapping process, so we need to call
`BKE_main_collection_sync_remap` instead of `BKE_main_collection_sync`
when we finally are ready for this update.

Reported by @eyecandy (Andy Goralczyk) from Blender studio, thanks!

Cycles: upgrade CUDA to 11.4

This fixes a performance regression on Ampere cards, on specific scenes like
classroom. For cycles-x there is little difference, but this is still helpful
for LTS releases, and we need to upgrade at some point anyway.