DepsGraph: Multi ViewLayer Selection

When using multiple viewlayers and switching between them the selection
gets buggy. The reason for this is that the select_id is updated based
on the index in the viewlayer. This makes the select_id not unique as
objects might be shared or not shared at all.

This fix will update the select_id on all objects in main. This will be triggered in all the selection operators.

Reviewed By: sergey, brecht

Maniphest Tasks: T55617

Differential Revision: https://developer.blender.org/D4824

1 files changed, 5 insertions, 3 deletions

diff --git a/source/blender/makesdna/DNA_object_types.h b/source/blender/makesdna/DNA_object_types.h
index 1aeb4a2f4d2..ae781ac4e9e 100644
--- a/source/blender/makesdna/DNA_object_types.h
+++ b/source/blender/makesdna/DNA_object_types.h
@@ -136,6 +136,10 @@ typedef struct Object_Runtime {
   /** Only used for drawing the parent/child help-line. */
   float parent_display_origin[3];
 
+  /** Selection id of this object; only available in the original object */
+  int select_id;
+  char _pad1[4];
+
   /** Axis aligned boundbox (in localspace). */
   struct BoundBox *bb;
 
@@ -365,9 +369,7 @@ typedef struct Object {
   char empty_image_visibility_flag;
   char empty_image_depth;
   char empty_image_flag;
-  char _pad8[1];
-
-  int select_id;
+  char _pad8[5];
 
   /** Contains data for levels of detail. */
   ListBase lodlevels;