From 28f667c7c46a1855146bba9e555b20c9993d7316 Mon Sep 17 00:00:00 2001
From: Pablo Dobarro <pablodp606>
Date: Mon, 20 Apr 2020 02:17:50 +0200
Subject: Fix T75778: Missing ME_VERT_PBVH_UPDATE in Surface Smooth

Without this flag the PBVH won't update taking the modified vertices
into account.

Reviewed By: brecht

Maniphest Tasks: T75778

Differential Revision: https://developer.blender.org/D7453
---
 source/blender/editors/sculpt_paint/sculpt_smooth.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'source/blender/editors/sculpt_paint')

diff --git a/source/blender/editors/sculpt_paint/sculpt_smooth.c b/source/blender/editors/sculpt_paint/sculpt_smooth.c
index 5410a85ed85..3a09d52d418 100644
--- a/source/blender/editors/sculpt_paint/sculpt_smooth.c
+++ b/source/blender/editors/sculpt_paint/sculpt_smooth.c
@@ -533,6 +533,9 @@ static void SCULPT_do_surface_smooth_brush_laplacian_task_cb_ex(
                                            orig_data.co,
                                            alpha);
       madd_v3_v3fl(vd.co, disp, clamp_f(fade, 0.0f, 1.0f));
+      if (vd.mvert) {
+        vd.mvert->flag |= ME_VERT_PBVH_UPDATE;
+      }
     }
     BKE_pbvh_vertex_iter_end;
   }
-- 
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