diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_attribute_access.hh')
| -rw-r--r-- | source/blender/blenkernel/BKE_attribute_access.hh | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/source/blender/blenkernel/BKE_attribute_access.hh b/source/blender/blenkernel/BKE_attribute_access.hh index fd30813a506..ae9969aae82 100644 --- a/source/blender/blenkernel/BKE_attribute_access.hh +++ b/source/blender/blenkernel/BKE_attribute_access.hh @@ -181,11 +181,14 @@ struct ReadAttributeLookup { * Used when looking up a "plain attribute" based on a name for reading from it and writing to it. */ struct WriteAttributeLookup { - /* The virtual array that is used to read from and write to the attribute. */ + /** The virtual array that is used to read from and write to the attribute. */ GVMutableArray varray; - /* Domain the attributes lives on in the geometry. */ + /** Domain the attributes lives on in the geometry component. */ AttributeDomain domain; - /* Call this after changing the attribute to invalidate caches that depend on this attribute. */ + /** + * Call this after changing the attribute to invalidate caches that depend on this attribute. + * \note Do not call this after the component the attribute is from has been destructed. + */ std::function<void()> tag_modified_fn; /* Convenience function to check if the attribute has been found. */ @@ -205,6 +208,10 @@ struct WriteAttributeLookup { * VMutableArray_Span in many cases). * - An output attribute can live side by side with an existing attribute with a different domain * or data type. The old attribute will only be overwritten when the #save function is called. + * + * \note The lifetime of an output attribute should not be longer than the the lifetime of the + * geometry component it comes from, since it can keep a reference to the component for use in + * the #save method. */ class OutputAttribute { public: |