Force sculpting on highest multires level

This is a workaround for T58473 to avoid likely event of ruining
sculpted data.

Differential Revision: https://developer.blender.org/D6244

1 files changed, 10 insertions, 1 deletions

diff --git a/source/blender/blenkernel/intern/multires.c b/source/blender/blenkernel/intern/multires.c
index 6a5e31bd2a2..a539aa45cf6 100644
--- a/source/blender/blenkernel/intern/multires.c
+++ b/source/blender/blenkernel/intern/multires.c
@@ -347,7 +347,7 @@ int multires_get_level(const Scene *scene,
                              mmd->renderlvl;
   }
   else if (ob->mode == OB_MODE_SCULPT) {
-    return mmd->sculptlvl;
+    return BKE_multires_sculpt_level_get(mmd);
   }
   else if (ignore_simplify) {
     return mmd->lvl;
@@ -2557,3 +2557,12 @@ int mdisp_rot_face_to_crn(struct MVert *UNUSED(mvert),
 
   return S;
 }
+
+/* This is a workaround for T58473.
+ * Force sculpting on the highest level for until the root of the issue is solved.
+ *
+ * When that issue is solved simple replace call of this function with mmd->sculptlvl. */
+int BKE_multires_sculpt_level_get(const struct MultiresModifierData *mmd)
+{
+  return mmd->totlvl;
+}