68759af516
This commit moves Curves and Grease Pencil to use `AttributeStorage` instead of `CustomData`, except for vertex groups. This PR mostly involves extending the changes from the above commit for point clouds to generalize to other geometry types. This is mostly straightforward, though a couple non-trivial places of note are the joining of Grease Pencil objects (`merge_attributes`), the "default render fallback" UV for curves objects which was previously unused at the UI level and just ended up being the first attribute, and the `update_curve_types()` call in the curves versioning function. Similar to: -fa03c53d4a-f74e304b00Part of #122398. Pull Request: https://projects.blender.org/blender/blender/pulls/140936
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/* SPDX-FileCopyrightText: 2025 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 "DNA_attribute_types.h"
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#include "BKE_attribute.hh"
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#include "BKE_attribute_storage.hh"
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struct CustomData;
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namespace blender::bke {
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class CurvesGeometry;
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}
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struct PointCloud;
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struct GreasePencil;
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struct Mesh;
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namespace blender::bke {
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/**
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* Convert a custom data type to an attribute type. May return `std::nullopt` if the custom data
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* type isn't used at runtime, is not a generic type that can be stored as an attribute, or is only
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* used for #BMesh.
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*/
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std::optional<AttrType> custom_data_type_to_attr_type(eCustomDataType data_type);
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/**
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* Convert an attribute type to a legacy custom data type.
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*/
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std::optional<eCustomDataType> attr_type_to_custom_data_type(AttrType attr_type);
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/**
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* Move attributes from the #AttributeStorage to the mesh's #CustomData structs. Used for forward
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* compatibility: converting newer files written with #AttributeStorage while #CustomData is still
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* used at runtime.
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*/
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void mesh_convert_storage_to_customdata(Mesh &mesh);
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/**
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* Move generic attributes from #CustomData to #AttributeStorage (not including non-generic layer
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* types). Use for versioning old files when the newer #AttributeStorage format is used at runtime.
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*/
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void mesh_convert_customdata_to_storage(Mesh &mesh);
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/** See #mesh_convert_customdata_to_storage. */
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void curves_convert_customdata_to_storage(CurvesGeometry &curves);
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/** See #mesh_convert_customdata_to_storage. */
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void pointcloud_convert_customdata_to_storage(PointCloud &pointcloud);
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/** See #mesh_convert_customdata_to_storage. */
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void grease_pencil_convert_customdata_to_storage(GreasePencil &grease_pencil);
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} // namespace blender::bke
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