1 files changed, 21 insertions, 0 deletions
diff --git a/source/blender/functions/FN_generic_virtual_array.hh b/source/blender/functions/FN_generic_virtual_array.hh
index aed7c206fe5..03e81b13714 100644
--- a/source/blender/functions/FN_generic_virtual_array.hh
+++ b/source/blender/functions/FN_generic_virtual_array.hh
@@ -148,11 +148,29 @@ class GVArrayCommon {
   void materialize_to_uninitialized(void *dst) const;
   void materialize_to_uninitialized(const IndexMask mask, void *dst) const;
 
+  /**
+   * Returns true when the virtual array is stored as a span internally.
+   */
   bool is_span() const;
+  /**
+   * Returns the internally used span of the virtual array. This invokes undefined behavior is the
+   * virtual array is not stored as a span internally.
+   */
   GSpan get_internal_span() const;
 
+  /**
+   * Returns true when the virtual array returns the same value for every index.
+   */
   bool is_single() const;
+  /**
+   * Copies the value that is used for every element into `r_value`, which is expected to point to
+   * initialized memory. This invokes undefined behavior if the virtual array would not return the
+   * same value for every index.
+   */
   void get_internal_single(void *r_value) const;
+  /**
+   * Same as `get_internal_single`, but `r_value` points to initialized memory.
+   */
   void get_internal_single_to_uninitialized(void *r_value) const;
 
   void get(const int64_t index, void *r_value) const;
@@ -226,6 +244,9 @@ class GVMutableArray : public GVArrayCommon {
   void set_by_relocate(const int64_t index, void *value);
 
   void fill(const void *value);
+  /**
+   * Copy the values from the source buffer to all elements in the virtual array.
+   */
   void set_all(const void *src);
 
   GVMutableArrayImpl *get_implementation() const;