Fix sculpt undo steps not enabling dyntopo

Logic to disable dyntopo when entering sculpt mode was applied on undo.

2 files changed, 5 insertions, 5 deletions

diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index 6512e279a15..b994a688f86 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -5845,7 +5845,7 @@ static int ed_object_sculptmode_flush_recalc_flag(Scene *scene, Object *ob, Mult
 
 void ED_object_sculptmode_enter_ex(
         Main *bmain, Depsgraph *depsgraph,
-        Scene *scene, Object *ob,
+        Scene *scene, Object *ob, const bool force_dyntopo,
         ReportList *reports)
 {
 	const int mode_flag = OB_MODE_SCULPT;
@@ -5926,7 +5926,7 @@ void ED_object_sculptmode_enter_ex(
 			}
 		}
 
-		if (message_unsupported == NULL) {
+		if ((message_unsupported == NULL) || force_dyntopo) {
 			/* Needed because we may be entering this mode before the undo system loads. */
 			wmWindowManager *wm = bmain->wm.first;
 			bool has_undo = wm->undo_stack != NULL;
@@ -5959,7 +5959,7 @@ void ED_object_sculptmode_enter(struct bContext *C, ReportList *reports)
 	ViewLayer *view_layer = CTX_data_view_layer(C);
 	Object *ob = OBACT(view_layer);
 	Depsgraph *depsgraph = CTX_data_depsgraph(C);
-	ED_object_sculptmode_enter_ex(bmain, depsgraph, scene, ob, reports);
+	ED_object_sculptmode_enter_ex(bmain, depsgraph, scene, ob, false, reports);
 }
 
 void ED_object_sculptmode_exit_ex(
@@ -6041,7 +6041,7 @@ static int sculpt_mode_toggle_exec(bContext *C, wmOperator *op)
 		ED_object_sculptmode_exit_ex(depsgraph, scene, ob);
 	}
 	else {
-		ED_object_sculptmode_enter_ex(bmain, depsgraph, scene, ob, op->reports);
+		ED_object_sculptmode_enter_ex(bmain, depsgraph, scene, ob, false, op->reports);
 		BKE_paint_toolslots_brush_validate(bmain, &ts->sculpt->paint);
 	}
 
diff --git a/source/blender/editors/sculpt_paint/sculpt_undo.c b/source/blender/editors/sculpt_paint/sculpt_undo.c
index 1b8e6da6ee3..67b815ee7d6 100644
--- a/source/blender/editors/sculpt_paint/sculpt_undo.c
+++ b/source/blender/editors/sculpt_paint/sculpt_undo.c
@@ -1119,7 +1119,7 @@ static void sculpt_undosys_step_decode(struct bContext *C, struct Main *bmain, U
 				/* Don't add sculpt topology undo steps when reading back undo state.
 				 * The undo steps must enter/exit for us. */
 				me->flag &= ~ME_SCULPT_DYNAMIC_TOPOLOGY;
-				ED_object_sculptmode_enter_ex(bmain, depsgraph, scene, ob, NULL);
+				ED_object_sculptmode_enter_ex(bmain, depsgraph, scene, ob, true, NULL);
 			}
 			BLI_assert(sculpt_undosys_poll(C));
 		}