1 files changed, 18 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/array_utils.cc b/source/blender/blenlib/intern/array_utils.cc
new file mode 100644
index 00000000000..d4266295944
--- /dev/null
+++ b/source/blender/blenlib/intern/array_utils.cc
@@ -0,0 +1,18 @@
+#include "BLI_array_utils.hh"
+#include "BLI_task.hh"
+
+namespace blender::array_utils {
+
+void copy(const GVArray &src,
+          const IndexMask selection,
+          GMutableSpan dst,
+          const int64_t grain_size)
+{
+  BLI_assert(src.type() == dst.type());
+  BLI_assert(src.size() == dst.size());
+  threading::parallel_for(selection.index_range(), grain_size, [&](const IndexRange range) {
+    src.materialize_to_uninitialized(selection.slice(range), dst.data());
+  });
+}
+
+}  // namespace blender::array_utils