2663c840df
Resolves #136183 To avoid quadratic worst case runtime when gathering values from the modifier properties, build a temporary VectorSet of the modifier's IDProperties. In the file from #136183, this change improves playback performance by 1.4x for me, from 50 to 70ms. Ideally IDProperty groups would have constant time lookup on their own, but that's a much larger change, and this smaller change for just Geometry Nodes is not so invasive. Pull Request: https://projects.blender.org/blender/blender/pulls/136463
55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
/* SPDX-FileCopyrightText: 2024 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BLI_array.hh"
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#include "BLI_generic_pointer.hh"
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#include "NOD_geometry_nodes_execute.hh"
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struct bNodeTree;
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struct bNodeSocket;
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struct IDProperty;
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namespace blender::nodes::socket_usage_inference {
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/**
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* Get a boolean value for each input socket in the given tree that indicates whether that input is
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* used. It is assumed that all output sockets in the tree are used.
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*/
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Array<bool> infer_all_input_sockets_usage(const bNodeTree &tree);
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/**
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* Get a boolean value for each node group input that indicates whether that input is used by the
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* outputs. The result can be used to e.g. gray out or hide individual inputs that are unused.
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*
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* \param group: The node group that is called.
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* \param group_input_values: An optional input value for each node group input. The type is
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* expected to be `bNodeSocketType::base_cpp_type`. If the input value for a socket is not known
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* or can't be represented as base type, null has to be passed instead.
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* \param r_input_usages: The destination array where the inferred usages are written.
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*/
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void infer_group_interface_inputs_usage(const bNodeTree &group,
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Span<GPointer> group_input_values,
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MutableSpan<bool> r_input_usages);
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/**
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* Same as above, but automatically retrieves the input values from the given sockets..
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* This is used for group nodes.
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*/
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void infer_group_interface_inputs_usage(const bNodeTree &group,
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Span<const bNodeSocket *> input_sockets,
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MutableSpan<bool> r_input_usages);
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/**
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* Same as above, but automatically retrieves the input values from the given properties.
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* This is used with the geometry nodes modifier and node tools.
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*/
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void infer_group_interface_inputs_usage(const bNodeTree &group,
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const PropertiesVectorSet &properties,
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MutableSpan<bool> r_input_usages);
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} // namespace blender::nodes::socket_usage_inference
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