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This changes socket inspection for fields according to T91881.
Differential Revision: https://developer.blender.org/D13006
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Previously, the field on every socket was logged for later use. This had
two main negative consequences:
* Increased memory usage, because the fields may contain a lot of data
under some circumstances (e.g. a Ray Cast field contains the target geometry).
* Decreased performance, because anonymous attributes could not be
removed from geometry automatically, because there were still fields that
referenced them.
Now most fields are not logged anymore. Only those that are viewed by a
spreadsheet and constant fields. The required inputs of a field are still
logged in string form to keep socket inspection working.
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This commit makes sure that each attribute name is only added once
when logging geometry values for attribute search.
The `attribute_foreach` function for a single geometry component
deduplicated names, but a much more common situation is to have
more than one component in the instances of a geometry set.
Differential Revision: https://developer.blender.org/D12959
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This adds attribute search to the geometry nodes modifier
for the input and output attributes. The "New" search item
is only shown for the output attributes.
Some of the attribute search code is extracted to a new file
in the interface code, to avoid some code duplication.
The UI code required two fixes so that the search would work
for dynamic length strings (IDProperties do not have a fixed size).
Since this does changes to the UI layout of the modifier, I also
addressed T91485 here.
Differential Revisiion: https://developer.blender.org/D12788
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There were some issues when multiple inputs of the same node
were forced to be computed (e.g. for the spreadsheet), but none
of the node outputs (if existant) were used. Essentially the node
was marked as "finished" too early in this case.
This fix is necessary for the improved viewer node (T92167).
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The previous commit added a new method to the same in a better way.
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This implements the initial core framework for fields and anonymous
attributes (also see T91274).
The new functionality is hidden behind the "Geometry Nodes Fields"
feature flag. When enabled in the user preferences, the following
new nodes become available: `Position`, `Index`, `Normal`,
`Set Position` and `Attribute Capture`.
Socket inspection has not been updated to work with fields yet.
Besides these changes at the user level, this patch contains the
ground work for:
* building and evaluating fields at run-time (`FN_fields.hh`) and
* creating and accessing anonymous attributes on geometry
(`BKE_anonymous_attribute.h`).
For evaluating fields we use a new so called multi-function procedure
(`FN_multi_function_procedure.hh`). It allows composing multi-functions
in arbitrary ways and supports efficient evaluation as is required by
fields. See `FN_multi_function_procedure.hh` for more details on how
this evaluation mechanism can be used.
A new `AttributeIDRef` has been added which allows handling named
and anonymous attributes in the same way in many places.
Hans and I worked on this patch together.
Differential Revision: https://developer.blender.org/D12414
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With this commit, node warnings added to nodes during evaluation
(not "Info" warnings) will also draw in the modifier. In the future
there could be a "search for this node" button as well.
Differential Revision: https://developer.blender.org/D11983
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Socket inspection helps with debugging a geometry node group.
Now, when hovering over a socket, a tooltip will appear that provides
information about the data in the socket. Note, socket inspection only
works for sockets that have been computed already. Nodes that are not
connected to an output are not computed.
Future improvements can include ui changes to make the tooltip look
more like in the original design (T85251). Furthermore, additional
information could be shown if necessary.
Differential Revision: https://developer.blender.org/D11842
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Many ui features for geometry nodes need access to information generated
during evaluation:
* Node warnings.
* Attribute search.
* Viewer node.
* Socket inspection (not in master yet).
The way we logged the required information before had some disadvantages:
* Viewer node used a completely separate system from node warnings and
attribute search.
* Most of the context of logged information is lost when e.g. the same node
group is used multiple times.
* A global lock was needed every time something is logged.
This new implementation solves these problems:
* All four mentioned ui features use the same underlying logging system.
* All context information for logged values is kept intact.
* Every thread has its own local logger. The logged informatiton is combined
in the end.
Differential Revision: https://developer.blender.org/D11785
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