1 files changed, 13 insertions, 0 deletions
diff --git a/source/blender/functions/FN_generic_virtual_array.hh b/source/blender/functions/FN_generic_virtual_array.hh
index 12454fe08f3..31f649e0358 100644
--- a/source/blender/functions/FN_generic_virtual_array.hh
+++ b/source/blender/functions/FN_generic_virtual_array.hh
@@ -220,11 +220,19 @@ class GVMutableArray : public GVArray {
 
   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)
+  {
+    this->set_all_impl(src);
+  }
+
  protected:
   virtual void set_by_copy_impl(const int64_t index, const void *value);
   virtual void set_by_relocate_impl(const int64_t index, void *value);
   virtual void set_by_move_impl(const int64_t index, void *value) = 0;
 
+  virtual void set_all_impl(const void *src);
+
   virtual void *try_get_internal_mutable_varray_impl();
 };
 
@@ -554,6 +562,11 @@ template<typename T> class GVMutableArray_For_VMutableArray : public GVMutableAr
     varray_->set(index, std::move(value_));
   }
 
+  void set_all_impl(const void *src)
+  {
+    varray_->set_all(Span((T *)data, size_));
+  }
+
   void materialize_impl(const IndexMask mask, void *dst) const override
   {
     varray_->materialize(mask, MutableSpan((T *)dst, mask.min_array_size()));