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Using the attribute name semantics from T97452, this patch moves the
selection status of mesh elements from the `SELECT` of vertices, and
edges, and the `ME_FACE_SEL` of faces to generic boolean attribute
Storing this data as generic attributes can significantly simplify and
improve code, as described in T95965.
The attributes are called `.select_vert`, `.select_edge`, and
`.select_poly`. The `.` prefix means they are "UI attributes",so they
still contain original data edited by users, but they aren't meant to
be accessed procedurally by the user in arbitrary situations. They are
also be hidden in the spreadsheet and the attribute list.
Until 4.0, the attributes are still written to and read from the mesh
in the old way, so neither forward nor backward compatibility are
affected. This means memory requirements will be increased by one byte
per element when selection is used. When the flags are removed
completely, requirements will decrease.
Further notes:
* The `MVert` flag is empty at runtime now, so it can be ignored.
* `BMesh` is unchanged, otherwise the change would be much larger.
* Many tests have slightly different results, since the selection
attribute uses more generic propagation. Previously you couldn't
really rely on edit mode selections being propagated procedurally.
Now it mostly works as expected.
Similar to 2480b55f216c
Ref T95965
Differential Revision: https://developer.blender.org/D15795
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This is very similar to D14077. There are two differences though.
First is that vertex creases are already stored in a separate layer,
and second is that we can now completely remove use of `Mesh.cd_flag`,
since that information is now inherent to whether the layers exist.
There are two functional differences here:
* Operators are used to add and remove layers instead of a property.
* The "crease" attribute can be created and removed by geometry nodes.
The second change should make various geometry nodes slightly faster,
since the "crease" attribute was always processed before. Creases are
now interpolated generically in the CustomData API too, which should
help maintain the values across edits better.
Meshes get an `edge_creases` RNA property like the existing vertex
property, to provide more efficient access to the data in Cycles.
One test failure is expected, where different rounding between float
the old char storage means that 5 additional points are scattered in
a geometry nodes test.
Differential Revision: https://developer.blender.org/D15927
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Similar to the other refactors from T95965, this commit moves sculpt
face sets to use a generic integer attribute named `".sculpt_face_set"`.
This makes face sets accessible in the Python API.
The attribute is not visible in the attributes list or the spreadsheet
because it is meant for internal use, though that could be an option
in the future along with other similar attributes. Currently the change
is small, but in the future this could simplify code by allowing use
of more generic attribute APIs.
Differential Revision: https://developer.blender.org/D16045
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For example, allows a custom UV grid size of 4 x 12.
TODO: Fix snapping with custom UV grid sizes.
Manifest Tasks: T78391
Differential Revision: https://developer.blender.org/D16000
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Differential Revision: https://developer.blender.org/D15965
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Whether faces are hidden and face sets are orthogonal concepts, but
currently sculpt mode stores them together in the face set array.
This means that if anything is hidden, there must be face sets,
and if there are face sets, we have to keep track of what is hidden.
In other words, it adds a bunch of redundant work and state tracking.
On the user level it's nice that face sets and hiding are consistent,
but we don't need to store them together to accomplish that.
This commit uses the `".hide_poly"` attribute from rB2480b55f216c to
read and change hiding in sculpt mode. Face sets don't need to be
negative anymore, and a bunch of "face set <-> hide status" conversion
can be removed. Plus some other benefits:
- We don't need to allocate either array quite as much.
- The hide status can be read from 1/4 the memory as face sets.
- Updates when entering or exiting sculpt mode can be removed.
- More opportunities for early-outs when nothing is hidden.
- Separating concerns makes sculpt code more obvious.
- It will be easier to convert face sets into a generic int attribute.
Differential Revision: https://developer.blender.org/D15950
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When a change happens which invalidates view layers the syncing will be postponed until the first usage.
This will improve importing or adding many objects in a single operation/script.
`BKE_view_layer_need_resync_tag` is used to tag the view layer to be out of sync. Before accessing
`BKE_view_layer_active_base_get`, `BKE_view_layer_active_object_get`, `BKE_view_layer_active_collection`
or `BKE_view_layer_object_bases` the caller should call `BKE_view_layer_synced_ensure`.
Having two functions ensures that partial syncing could be added as smaller patches in the future. Tagging a
view layer out of sync could be replaced with a partial sync. Eventually the number of full resyncs could be
reduced. After all tagging has been replaced with partial syncs the ensure_sync could be phased out.
This patch has been added to discuss the details and consequences of the current approach. For clarity
the call to BKE_view_layer_ensure_sync is placed close to the getters.
In the future this could be placed in more strategical places to reduce the number of calls or improve
performance. Finding those strategical places isn't that clear. When multiple operations are grouped
in a single script you might want to always check for resync.
Some areas found that can be improved. This list isn't complete.
These areas aren't addressed by this patch as these changes would be hard to detect to the reviewer.
The idea is to add changes to these areas as a separate patch. It might be that the initial commit would reduce
performance compared to master, but will be fixed by the additional patches.
**Object duplication**
During object duplication the syncing is temporarily disabled. With this patch this isn't useful as when disabled
the view_layer is accessed to locate bases. This can be improved by first locating the source bases, then duplicate
and sync and locate the new bases. Will be solved in a separate patch for clarity reasons ({D15886}).
**Object add**
`BKE_object_add` not only adds a new object, but also selects and activates the new base. This requires the
view_layer to be resynced. Some callers reverse the selection and activation (See `get_new_constraint_target`).
We should make the selection and activation optional. This would make it possible to add multiple objects
without having to resync per object.
**Postpone Activate Base**
Setting the basact is done in many locations. They follow a rule as after an action find the base and set
the basact. Finding the base could require a resync. The idea is to store in the view_layer the object which
base will be set in the basact during the next sync, reducing the times resyncing needs to happen.
Reviewed By: mont29
Maniphest Tasks: T73411
Differential Revision: https://developer.blender.org/D15885
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Converting to the SoA format (T95965) immediately when reading meshes
means that none of the changes from versioning would be applied first.
This means important fixes like f14995aba70a aren't properly applied,
so modifications could be done to invalid CustomData. To fix this, move
the SoA changes into versioning code, in a new versioning_400.cc file.
Differential Revision: https://developer.blender.org/D15919
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there is no point in warning about files that are not supposed to be
'correct' in that regard.
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Follows existing naming for the most part, also use "num" as a suffix
in some instances (following our naming conventions).
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Use `verts` instead of `vertices` and `polys` instead of `polygons`
in the API added in 05952aa94d33eeb50. This aligns better with
existing naming where the shorter names are much more common.
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For copy-on-write, we want to share attribute arrays between meshes
where possible. Mutable pointers like `Mesh.mvert` make that difficult
by making ownership vague. They also make code more complex by adding
redundancy.
The simplest solution is just removing them and retrieving layers from
`CustomData` as needed. Similar changes have already been applied to
curves and point clouds (e9f82d3dc7ee, 410a6efb747f). Removing use of
the pointers generally makes code more obvious and more reusable.
Mesh data is now accessed with a C++ API (`Mesh::edges()` or
`Mesh::edges_for_write()`), and a C API (`BKE_mesh_edges(mesh)`).
The CoW changes this commit makes possible are described in T95845
and T95842, and started in D14139 and D14140. The change also simplifies
the ongoing mesh struct-of-array refactors from T95965.
**RNA/Python Access Performance**
Theoretically, accessing mesh elements with the RNA API may become
slower, since the layer needs to be found on every random access.
However, overhead is already high enough that this doesn't make a
noticible differenc, and performance is actually improved in some
cases. Random access can be up to 10% faster, but other situations
might be a bit slower. Generally using `foreach_get/set` are the best
way to improve performance. See the differential revision for more
discussion about Python performance.
Cycles has been updated to use raw pointers and the internal Blender
mesh types, mostly because there is no sense in having this overhead
when it's already compiled with Blender. In my tests this roughly
halves the Cycles mesh creation time (0.19s to 0.10s for a 1 million
face grid).
Differential Revision: https://developer.blender.org/D15488
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Add a dedicated `owner_id` pointer to ID types that can be embedded
(Collections and NodeTrees), and modify slightly come code to make
handling those more safe and consistent.
This implements first part of T69169.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D15838
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Add versioning to compensate for bugfix from T97945.
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This patch is a response to T92588 and is implemented
as a Function/Shader node.
This node has support for Float, Vector and Color data types.
For Vector it supports uniform and non-uniform mixing.
For Color it now has the option to remove factor clamping.
It replaces the Mix RGB for Shader and Geometry node trees.
As discussed in T96219, this patch converts existing nodes
in .blend files. The old node is still available in the
Python API but hidden from the menus.
Reviewed By: HooglyBoogly, JacquesLucke, simonthommes, brecht
Maniphest Tasks: T92588
Differential Revision: https://developer.blender.org/D13749
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When allocating new `CustomData` layers, often we do redundant
initialization of arrays. For example, it's common that values are
allocated, set to their default value, and then set to some other
value. This is wasteful, and it negates the benefits of optimizations
to the allocator like D15082. There are two reasons for this. The
first is array-of-structs storage that makes it annoying to initialize
values manually, and the second is confusing options in the Custom Data
API. This patch addresses the latter.
The `CustomData` "alloc type" options are rearranged. Now, besides
the options that use existing layers, there are two remaining:
* `CD_SET_DEFAULT` sets the default value.
* Usually zeroes, but for colors this is white (how it was before).
* Should be used when you add the layer but don't set all values.
* `CD_CONSTRUCT` refers to the "default construct" C++ term.
* Only necessary or defined for non-trivial types like vertex groups.
* Doesn't do anything for trivial types like `int` or `float3`.
* Should be used every other time, when all values will be set.
The attribute API's `AttributeInit` types are updated as well.
To update code, replace `CD_CALLOC` with `CD_SET_DEFAULT` and
`CD_DEFAULT` with `CD_CONSTRUCT`. This doesn't cause any functional
changes yet. Follow-up commits will change to avoid initializing
new layers where the correctness is clear.
Differential Revision: https://developer.blender.org/D15617
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This is old code to keep track of an active search element, so you could
step through the search results. This isn't used anymore, and not needed
since searching now filters the tree to only show matches. If we ever
wanted to have support for stepping through elements again, that should be
done via the active element instead.
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- batch rename
- keyframe settings
- tool name in Tool properties header
- tool name in Tool properties Drag (fake) enum
- new file templates
- new preset
- new text datablock
- new collection datablock
- new geometry nodes (modifier and node group)
- new grease pencil data (layers and materials)
Ref. T43295
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D15533
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Various situations can lead to un-saved UDIM tiles potentially losing
their contents. The most notable situation is a save and re-load of a
.blend file that has "generated" UDIM tiles that haven't been written to
disk yet. Normal "generated" images are reconstructed on demand in these
circumstances but UDIM tiles do not retain the information required for
reconstruction and empty tiles are presented to the user.
This patch stores the generated type information for each tile to solve
this particular issue. It also shifts the Image generation info into the
1st tile. The existing DNA fields are deprecated but RNA was modified as
to not break API compat.
There's two broad changes here that merit special callout:
- How to distinguish between a tile that should be reconstructed vs.
a tile that should remain empty because loading failed for the UDIMs
- How to better handle Image Source changes
The first issue is addressed as follows:
- Each time a tile is filled with generated content we set a new
IMA_GEN_TILE flag
- Each time a tile is saved to disk we remove the IMA_GEN_TILE flag
- When requesting an ibuf: If the ibuf is null, we check to see if
IMA_GEN_TILE is set. If it is set, go ahead and re-create the tile.
Otherwise, do nothing.
The second set of changes have to do with ensuring that information is
carried along as far as possible when the, sometimes destructive, act of
changing an Image Source is performed. Behavior should be a bit more
natural and expected now; though users will rarely, or should rarely, be
modifying this property. The full table describing the behavior is in
the differential.
Differential Revision: https://developer.blender.org/D14885
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Change startup roughness to 0.5.
Differential Revision: https://developer.blender.org/D15586
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BLO_update_defaults_startup_blend
If a screen had to be renamed, the old name was not removed from
the name map. Fixes T100173.
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While this was not a critical issue (that lib pointer is only used for
some kind of sanity check that no linked data uses local ID pointers),
better to keep `IDP_BlendReadLib` in sync with all other lib-linking
code.
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Was causing an assert that the old name exists in the name map, but
is not present in the actual database. Reported in #blender-coders
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libmap.
New `oldnewmap_lib_insert` does nothing special, it just wraps around existing
`oldnewmap_insert`, but it's the logical counter part of `oldnewmap_liblookup`.
It also helps tremendously when debuging complex ID pointers issues in
readfile.c code.
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Crash would happen when a linked ID would become missing, that was
'pre-declared' and used only once as a 'weak link' in another library
stored before the one it came from.
In that case, the place-holder generated in read code would be freed in
`read_library_clear_weak_links`, when handling its 'owner' library, but
since all previous libraries in the list had already been 'lib_linked'
and their filedata (and related libmap) freed, the update of the libmaps
in `read_library_clear_weak_links` would not apply to data from those
previous libraries, leading to ID pointers there pointing to freed
memory.
This fix should also be backported to 2.93.
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Add a version of #BKE_main_namemap_validate that also fixes the issues,
and call it in a do_version to fix recent .blend files saved after the
regression introduced in rB7f8d05131a77.
This is mandatory to fix some production files here at the studio, among
other things.
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The Graph, Driver, and Dopesheet's (and sub modes) properties panel
(N-Panel) are now open by default. This includes the editors in the
default Animation workspace.
Note that, because the Timeline is implemented as a special mode of the
Dopesheet, switching between Timeline and Dopesheet will *not* change
the visibility of the properties panel.
Maniphest Tasks: T97980
Differential Revision: https://developer.blender.org/D14910
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read/write.
Code handling read/write of libraries is still particular... but trying
to call `library_runtime_reset` on a random address at readtime was an
obvious mistake I should have caught during review :(
Regression from rB7f8d05131a77.
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names/basenames/suffixes
An implementation of T73412, roughly as outlined there:
Track the names that are in use, as well as base names (before
numeric suffix) plus a bit map for each base name, indicating which
numeric suffixes are already used. This is done per-Main/Library,
per-object-type.
Timings (Windows, VS2022 Release build, AMD Ryzen 5950X):
- Scene with 10k cubes, Shift+D to duplicate them all: 8.7s -> 1.9s.
Name map memory usage for resulting 20k objects: 4.3MB.
- Importing a 2.5GB .obj file of exported Blender 3.0 splash scene
(24k objects), using the new C++ importer: 34.2s-> 22.0s. Name map
memory usage for resulting scene: 8.6MB.
- Importing Disney Moana USD scene (almost half a million objects):
56min -> 10min. Name map usage: ~100MB. Blender crashes later on
when trying to render it, in the same place in both cases, but
that's for another day.
Reviewed By: Bastien Montagne
Differential Revision: https://developer.blender.org/D14162
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This patch adds (selected/active) outline around a curve object in object mode.
{F13270680}
In the past the draw bounds option was enabled for any curve objects. With this
patch it isn't needed and will be disabled.
In the future the curve outline could also be enabled to improve GPU selection.
Reviewed By: dfelinto, HooglyBoogly, fclem
Maniphest Tasks: T95933
Differential Revision: https://developer.blender.org/D15308
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It's helpful to make the separation of legacy data formats explicit,
because it declutters actively changed code and makes it clear which
areas do not follow Blender's current design. In this case I separated
the `MFace`/"tessface" conversion code into a separate blenkernel
.cc file and header. This also makes refactoring to remove these
functions simpler because they're easier to find.
In the future, conversions to the `MLoopUV` type and `MVert`
can be implemented here for the same reasons (see T95965).
Differential Revision: https://developer.blender.org/D15396
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