1 files changed, 67 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_mesh_legacy_convert.h b/source/blender/blenkernel/BKE_mesh_legacy_convert.h
index 909fd0e0dea..92182f8045b 100644
--- a/source/blender/blenkernel/BKE_mesh_legacy_convert.h
+++ b/source/blender/blenkernel/BKE_mesh_legacy_convert.h
@@ -10,6 +10,11 @@
 #include "BLI_utildefines.h"
 
 #ifdef __cplusplus
+#  include "BLI_span.hh"
+#  include "DNA_customdata_types.h"
+#endif
+
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -17,6 +22,68 @@ struct CustomData;
 struct Mesh;
 struct MFace;
 
+#ifdef __cplusplus
+
+/**
+ * Move face sets to the legacy type from a generic type.
+ */
+void BKE_mesh_legacy_face_set_from_generic(
+    Mesh *mesh, blender::MutableSpan<CustomDataLayer> poly_layers_to_write);
+/**
+ * Copy face sets to the generic data type from the legacy type.
+ */
+void BKE_mesh_legacy_face_set_to_generic(struct Mesh *mesh);
+
+/**
+ * Copy edge creases from a separate layer into edges.
+ */
+void BKE_mesh_legacy_edge_crease_from_layers(struct Mesh *mesh);
+/**
+ * Copy edge creases from edges to a separate layer.
+ */
+void BKE_mesh_legacy_edge_crease_to_layers(struct Mesh *mesh);
+
+/**
+ * Copy bevel weights from separate layers into vertices and edges.
+ */
+void BKE_mesh_legacy_bevel_weight_from_layers(struct Mesh *mesh);
+/**
+ * Copy bevel weights from vertices and edges to separate layers.
+ */
+void BKE_mesh_legacy_bevel_weight_to_layers(struct Mesh *mesh);
+
+/**
+ * Convert the hidden element attributes to the old flag format for writing.
+ */
+void BKE_mesh_legacy_convert_hide_layers_to_flags(struct Mesh *mesh);
+/**
+ * Convert the old hide flags (#ME_HIDE) to the hidden element attribute for reading.
+ * Only add the attributes when there are any elements in each domain hidden.
+ */
+void BKE_mesh_legacy_convert_flags_to_hide_layers(struct Mesh *mesh);
+
+/**
+ * Convert the selected element attributes to the old flag format for writing.
+ */
+void BKE_mesh_legacy_convert_selection_layers_to_flags(struct Mesh *mesh);
+/**
+ * Convert the old selection flags (#SELECT/#ME_FACE_SEL) to the selected element attribute for
+ * reading. Only add the attributes when there are any elements in each domain selected.
+ */
+void BKE_mesh_legacy_convert_flags_to_selection_layers(struct Mesh *mesh);
+
+/**
+ * Move material indices from a generic attribute to #MPoly.
+ */
+void BKE_mesh_legacy_convert_material_indices_to_mpoly(struct Mesh *mesh);
+/**
+ * Move material indices from the #MPoly struct to a generic attributes.
+ * Only add the attribute when the indices are not all zero.
+ */
+void BKE_mesh_legacy_convert_mpoly_to_material_indices(struct Mesh *mesh);
+
+#endif
+
 /**
  * Recreate #MFace Tessellation.
  *