diff options
Diffstat (limited to 'source/blender/editors/geometry/geometry_attributes.cc')
-rw-r--r-- | source/blender/editors/geometry/geometry_attributes.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/source/blender/editors/geometry/geometry_attributes.cc b/source/blender/editors/geometry/geometry_attributes.cc index ed16b8a903a..814c2639169 100644 --- a/source/blender/editors/geometry/geometry_attributes.cc +++ b/source/blender/editors/geometry/geometry_attributes.cc @@ -33,6 +33,7 @@ #include "UI_interface.h" #include "UI_resources.h" +#include "ED_geometry.h" #include "ED_object.h" #include "geometry_intern.hh" @@ -572,3 +573,38 @@ void GEOMETRY_OT_attribute_convert(wmOperatorType *ot) } } // namespace blender::ed::geometry + +using blender::CPPType; +using blender::GVArray; + +bool ED_geometry_attribute_convert(Mesh *mesh, + const char *layer_name, + CustomDataType old_type, + AttributeDomain old_domain, + CustomDataType new_type, + AttributeDomain new_domain) +{ + CustomDataLayer *layer = BKE_id_attribute_find(&mesh->id, layer_name, old_type, old_domain); + const std::string name = layer->name; + + if (!layer) { + return false; + } + + MeshComponent mesh_component; + mesh_component.replace(mesh, GeometryOwnershipType::Editable); + GVArray src_varray = mesh_component.attribute_get_for_read(name, new_domain, new_type); + + const CPPType &cpp_type = src_varray.type(); + void *new_data = MEM_malloc_arrayN(src_varray.size(), cpp_type.size(), __func__); + src_varray.materialize_to_uninitialized(new_data); + mesh_component.attribute_try_delete(name); + mesh_component.attribute_try_create(name, new_domain, new_type, AttributeInitMove(new_data)); + + int *active_index = BKE_id_attributes_active_index_p(&mesh->id); + if (*active_index > 0) { + *active_index -= 1; + } + + return true; +} |