Fix T74613: Assign the default face set color in the versioning code

A default face set color was not being set in previously saved meshes,
so it will always render the default face set with a random color until
the colors were recalculated.

Bump subversion to 283.8

Reviewed By: dfelinto

Maniphest Tasks: T74613

Differential Revision: https://developer.blender.org/D7094

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/paint.c b/source/blender/blenkernel/intern/paint.c
index 6afa498cf86..eb21883f0dd 100644
--- a/source/blender/blenkernel/intern/paint.c
+++ b/source/blender/blenkernel/intern/paint.c
@@ -1545,6 +1545,9 @@ static void sculpt_update_object(
       for (int i = 0; i < me->totpoly; i++) {
         ss->face_sets[i] = 1;
       }
+
+      /* Set the default face set color if the datalayer did not exist. */
+      me->face_sets_color_default = 1;
     }
     ss->face_sets = CustomData_get_layer(&me->pdata, CD_SCULPT_FACE_SETS);
   }
@@ -1555,6 +1558,8 @@ static void sculpt_update_object(
   BLI_assert(pbvh == ss->pbvh);
   UNUSED_VARS_NDEBUG(pbvh);
 
+  BKE_pbvh_face_sets_color_set(ss->pbvh, me->face_sets_color_seed, me->face_sets_color_default);
+
   if (need_pmap && ob->type == OB_MESH && !ss->pmap) {
     BKE_mesh_vert_poly_map_create(
         &ss->pmap, &ss->pmap_mem, me->mpoly, me->mloop, me->totvert, me->totpoly, me->totloop);