Modifier: skip edit-mesh conversion for armature, curve & lattice

This is an improvement over 2.7x which converted edit-mesh to mesh
(CDDM) for all 3 modifiers.

Overall this increases performance in edit-mode by around 15-20%.

1 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_lattice.h b/source/blender/blenkernel/BKE_lattice.h
index 922f7278034..045bea613f3 100644
--- a/source/blender/blenkernel/BKE_lattice.h
+++ b/source/blender/blenkernel/BKE_lattice.h
@@ -30,6 +30,7 @@
 extern "C" {
 #endif
 
+struct BMEditMesh;
 struct BPoint;
 struct Depsgraph;
 struct Lattice;
@@ -123,6 +124,15 @@ void BKE_lattice_deform_coords_with_mesh(struct Object *ob_lattice,
                                          const char *defgrp_name,
                                          const float influence,
                                          const struct Mesh *me_target);
+
+void BKE_lattice_deform_coords_with_editmesh(struct Object *ob_lattice,
+                                             struct Object *ob_target,
+                                             float (*vert_coords)[3],
+                                             const int vert_coords_len,
+                                             const short flag,
+                                             const char *defgrp_name,
+                                             const float influence,
+                                             struct BMEditMesh *em_target);
 /** \} */
 
 #ifdef __cplusplus