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This is the convention for most parts of Blender Python API.
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With the increased use of multi-character format units and keyword-only
arguments these are increasingly difficult to make sense of.
Split the string onto multiple lines, one per argument.
While verbose it's easier to understand and add new arguments.
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Don't include the tangent mode for now, since that
was never implemented for geometry nodes curves.
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Currently, only Lightgroups that exist in the current view layer can be
selected from object or world properties.
The internal UI code already has support for search fields that accept
unknown input, so I just added that to the API and use it for lightgroups.
When a lightgroup is entered that does not exist in the current view layer
(e.g. because it's completely new, because the view layer was switched or
because it was deleted earlier), a new button next to it becomes active and
adds it to the view layer when pressed.
Differential Revision: https://developer.blender.org/D14540
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Was caused by the shaderCreateInfo port.
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* Add missing GLEW and hgiGL libraries for Hydra
* Fix wrong case sensitive include
* Fix link errors by adding external libs to static Hydra lib
* Work around weird Hydra link error with MAX_SAMPLES
* Use Embree by default for Hydra
* Sync external libs code with standalone
* Update version number to match Blender
* Remove unneeded CLEW/GLEW from test executable
None of this should affect Cycles in Blender.
Ref T96731
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This seems to serve no purpose anymore, I don't see anywhere that
CD_MFACE is requested for modifier evaluation, and it's confusing
to have this in this final normals computation function.
Found while looking into D14579.
Differential Revision: https://developer.blender.org/D14580
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The mechanism to instance meshes when there are no modifiers did not take
into account that modifiers might get re-evaluated from an operator that
requests loop normals. Now check for that case and no longer use the
instance then.
In the future, a better solution may be to compute loop normals on demand
as is already done for poly and vertex normals, but that would be a big
change.
Differential Revision: https://developer.blender.org/D14579
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Also declare variables where initialized and use const.
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This frequently showed up in profiling but shouldn't.
This also updates the code to use atomics for more correctness and
adds multi-threading for better performance.
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This implements two optimizations:
* Reduce virtual function call overhead when a non-standard virtual
array is used as input.
* Use a lambda in `type_conversion.cc`.
In my test setup, which creates a float attribute filled with the index,
the running time drops from `4.0 ms` to `2.0 ms`.
Differential Revision: https://developer.blender.org/D14585
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I observed a 4-5x performance improvement (from 50ms to 12ms)
with five million points, though obviously the change depends on
the hardware.
In the future we may want to disable the parallelization in
`parallel_invoke` when there is a small amount of points.
Differential Revision: https://developer.blender.org/D14590
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This patch adds an option to only use every n-th segment of the
envelope result. This can be used to reduce the complexity of the
result.
Differential Revision: http://developer.blender.org/D14503
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Method which overrides a base class's virtual methods are expetced to
be marked with `override`. This also gives better idea to the developers
about what is going on.
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The first element of the iterator was not being tested against the flag.
So in some cases it would lead to more objects been made into
single-user than the active (or selected) ones.
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No functional changes.
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The goal is to make the Add menu more convenient for the new curves object.
The following changes are done:
* Add `curves` submenu.
* Add an `Empty Hair` operator that also sets the surface object.
* Rename the old operator to `Random`. It's mostly for testing at this point.
Differential Revision: https://developer.blender.org/D14556
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This operator snaps the first point of every curve to the corresponding
surface object. The shape of individual curves or their orientation is
not changed.
There are two different attachment modes:
* `Nearest`: Move each curve so that the first point is on the closest
point on the surface. This should be used when the topology of the
surface mesh changed, but the shape generally stayed the same.
* `Deform`: Use the existing attachment information that is stored
for curves to move curves to their new location when the surface
mesh was deformed. This generally does not work when the
topology changed.
The purpose of the operator is to help setup the "ground truth"
for how curves are attached to the surface. When the ground
truth surface changed, the original curves have to be updated
as well. Deforming curves based on an animated surface will be
done with geometry nodes independent of the operator.
In the UI, the operator is currently exposed in curves sculpt mode
in the `Curves > Snap Curves to Surface` menu.
Differential Revision: https://developer.blender.org/D14515
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Avoid errors in the legacy Pose Library panel (in Armature properties)
when the Pose Library add-on is disabled.
It's unfortunate that a built-in panel now has knowledge of an add-on.
Then again, it's temporary (one or two Blender releases), and it now uses
feature detection instead of just assuming the add-on is enabled.
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No functional changes.
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The operator could crash in case the context "object" was overridden
from python, but the "active_object" wasnt (and the active object was
not a mesh).
Reason for the crash is a mismatch in the operators poll function
`data_transfer_poll` vs. `dt_layers_select_src_itemf` -- in the former,
the overriden "object" was respected (and if this was a mesh, the poll
was permissive), in the later it wasnt and only the "active_object" was
used (if this was not a mesh, a crash would happen trying to get an
evaluated mesh).
Now rectify how the object which is used is being fetched -> use
`ED_object_active_context` everywhere (see also rBe560bbe1d584).
Maniphest Tasks: T96888
Differential Revision: https://developer.blender.org/D14552
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This does two things:
* Introduce new `materialize_compressed` methods. Those are used
when the dst array should not have any gaps.
* Add materialize methods in various classes where they were missing
(and therefore caused overhead, because slower fallbacks had to be used).
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This improves performance e.g. when creating an integer attribute
based on an index field. For 4 million vertices, I measured a speedup
from 3.5 ms to 1.2 ms.
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Also remove redundant NULL check.
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Add the ability to get/set the selected text.
**Calling the new methods:**
- `bpy.data.texts["Text"].region_as_string()`
- `bpy.data.texts["Text"].region_from_string("Replacement")`
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Expose the "Connected" mode from the weld modifier in the
"Merge by Distance" geometry node. This method only merges
vertices along existing edges, but it can be much faster
because it doesn't have to build a KD Tree of all selected
points.
Differential Revision: https://developer.blender.org/D14321
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Use a regular property split layout instead of a grid flow.
Also fix part of T65393.
Differential Revision: https://developer.blender.org/D13558
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Change the modifier name in the modifier stack to "Curvature 3D"
to be consistent with the modifier name in the drop-down.
Differential Revision: https://developer.blender.org/D14476
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Remove the extra space given for decorators on right of the popover.
Differential Revision: https://developer.blender.org/D14518
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If all islands had a size of zero, a division by zero would occur in
`GEO_uv_parametrizer_pack`, causing the UV coordinates to be set to
NaN. An alternative approach would be to skip packing islands with a
zero size, but If UV coordinates are for example outside the 0-1 range,
it's better if they get moved into that range.
Differential Revision: https://developer.blender.org/D14522
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Set the curve resolution to Bezier and Nurbs curves when converting
data using `curves_to_curve_eval`. This was missed in 9ec12c26f16ea3d.
Differential Revision: https://developer.blender.org/D14577
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Add "for_write" on function names that retrieve mutable data arrays.
Though this makes function names longer, it's likely worth it because
it allows more easily using the const functions in a non-const context,
and reduces cases of mistakenly retrieving with edit access.
In the long term, this situation might change more if we implement
attributes storage that is accessible directly on `CurvesGeometry`
without duplicating the attribute API on geometry components,
which is currently the rough plan.
Differential Revision: https://developer.blender.org/D14562
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Change uses of "Hair" in Render Settings UI in the property editor
and the "Hair Info" node to use the "Curves" name to reflect the
design described in T95355, where hair is just a use case of a more
general curves data type.
While these settings still affect the particle hair system,
the idea is that if we have to choose one naming scheme to align
with, we should choose the option that aligns with future plans
and current development efforts, especially since the particle
system is considered a legacy feature.
A few notes:
- "Principled Hair BSDF" is not affected since it's meant for hair.
- Python API property identifiers are not affected.
Differential Revision: https://developer.blender.org/D14573
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The last length value was not initialized, and all length values were
moved one position towards the front of each curve incorrectly.
Also fix an assert when a curve only had a single point.
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This deduplicates the code a bit.
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This workaround is not needed since
228f7f1c850897cac85b2c4b42cf9052976b7be1
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Differential Revision: https://developer.blender.org/D14471
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This revision allows to specify CUDA host compiler (nvcc's -ccbin command
line option) when configuring the build. It addresses the case where the
C/C++ compiler to be used in CUDA toolchain should be different from the
default C/C++ compiler, for instance in case of compilers versions conflicts
or multiple installed compilers.
The new CMake option is named `CUDA_HOST_COMPILER` and can be used as follows:
`cmake -DCUDA_HOST_COMPILER=<path-to-host-compiler>`
If the option is not specified, the build configuration behaves as previously.
Differential Revision: https://developer.blender.org/D14248
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