Blender Git Loki

Compositor: Full frame Mix node

Adds full frame implementation to this node operations.
No functional changes.
2.3x faster than tiled fallback on average.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D11686

Compositor: Full frame Brightness node

Adds full frame implementation to this node operation.
No functional changes.
2.4x faster than tiled fallback.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D11677

Compositor: Export operation results as debug option

When fixing issues, seeing operation results can be helpful for
detecting which operation went wrong.

This commit adds an option for exporting all operations results to
image files.
Exceptions are:
- Output operations: They are already exported or can be seen in UI.
- Constant operations: There are too many and is rarely useful.

They are exported to "<temp session folder>/COM_operations/"
with filenames "<operation class name>_<operation id>.png".
Only works on full frame execution mode.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D11722

Compositor: Full frame Ellipse Mask node

Adds full frame implementation to this node operation.
No functional changes.
3x times faster than tiled fallback.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D11635

Compositor: Buffer iterators

Currently we mostly iterate buffer areas using x/y loops or through
utility methods extending from base classes.

To simplify code in simple operations this commit adds wrappers for
specifying buffer areas and their iterators for raw buffers with any
element stride:
- BufferRange: Specifies a range of contiguous buffer elements from a
given element index.
- BufferRangeIterator: Iterates elements in a BufferRange.
- BufferArea: Specifies a rectangle area of elements in a 2D buffer.
- BufferAreaIterator: Iterates elements in a BufferArea.
- BuffersIterator: Simultaneously iterates an area of elements in an
output buffer and any number of input buffers.
- BuffersIteratorBuilder: Helper for building BuffersIterator adding
buffers one by one.
For iterating areas coordinates it adds `XRange` and `YRange` methods
that return `IndexRange`.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D11882

DRW: Move buffer & temp textures & framebuffer management to DrawManager

This is a necessary step for EEVEE's new arch. This moves more data
to the draw manager. This makes it easier to have the render or draw
engines manage their own data.

This makes more sense and cleans-up what the GPUViewport holds

Also rewrites the Texture pool manager to be in C++.

This also move the DefaultFramebuffer/TextureList and the engine related
data to a new `DRWViewData` struct. This struct manages the per view
(as in stereo view) engine data.

There is a bit of cleanup in the way the draw manager is setup.
We now use a temporary DRWData instead of creating a dummy viewport.

Differential Revision: https://developer.blender.org/D11966

EEVEE: GBuffer: Change layout

This change the gbuffer layout to use more of the hardware to converting
data back and forth. Normals are encoded as two 16 bits components and
colors as R11G11B10F format.

This was motivated by the need of better quality normals. The issue is
that this increase the GBuffer size consequently. In order to balance
this we chose to merge the refraction and Diffuse/SSS data to use the
same buffer. This means we need to stochastically chose one of these
layers (so noise appear). Given that Glass BSDFs are rarely mixed
with Diffuse BSDFs, we think this is a good tradeoff.

adaptive_cloth: Add UI for size_min of static_remesh

adaptive_cloth: implement and run static_remesh()

Sets the same "sizing" for all the `Vert`s of the `AdaptiveMesh` and
then runs `mesh.split_edges()`.

TODO(ish): Add mesh.collapse_edges() within static_remesh()

adaptive_cloth: AdaptiveMesh: split_edges()

Splits edges whose "size" is greater than 1.0

TODO(ish): Need to flip edges of those faces that have been affected
by the split edge operation.

adaptive_cloth: AdaptiveMesh: get_splittable_edge_indices_set()

Gets the maximal independent set of splittable edge indices in the
`AdaptiveMesh`.

adaptive_cloth: AdaptiveMesh: VertData: add flag

Add flag to be able to tag the `Vert`.

adaptive_cloth: AdaptiveMesh: extra data interp

Add interp() function to the extra data of `AdaptiveMesh`

Cleanup: Move asset library reference C++ wrapper to own files

Although currently only the asset list code uses the asset library
reference wrapper, it can stand on its own and may be used in more
places in the future. So I prefer to give it its own source & header
file.

Also removed unused includes, added proper namespaces as per our C++
style guidelines, and removed an unnecessary TODO comment.

bli: float2x2: linear_blend()

Linearly blend between the 2 matrices.

adaptive_cloth: Mesh elements: get_self_index()

Fix wrong MIS weight with transparent surfaces and volumes, leading to noise

Cleanup: move all MIS weighting to integrator/ module

Merge branch 'master' into curve-nodes-modifier

Cleanup: Remove unused function, unused declaration