[Bf-blender-cvs] [50b0448bd39] blender2.8: Fix T58840: SHIFT+K in vertex paint doesn't update

[Sergey Sharybin]

Commit: 50b0448bd39d1776471526f19f57963394582810
Author: Sergey Sharybin
Date:   Thu Dec 6 13:00:31 2018 +0100
Branches: blender2.8
https://developer.blender.org/rB50b0448bd39d1776471526f19f57963394582810

Fix T58840: SHIFT+K in vertex paint doesn't update

===================================================================

M       source/blender/editors/sculpt_paint/paint_vertex_color_ops.c

===================================================================

diff --git a/source/blender/editors/sculpt_paint/paint_vertex_color_ops.c 
b/source/blender/editors/sculpt_paint/paint_vertex_color_ops.c
index ba3bc5501e3..28a7ac38623 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex_color_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex_color_ops.c
@@ -57,6 +57,15 @@ static bool vertex_weight_paint_mode_poll(bContext *C)
               (me && me->totpoly && me->dvert);
 }
 
+static void tag_object_after_update(Object *object)
+{
+       BLI_assert(object->type == OB_MESH);
+       Mesh *mesh = object->data;
+       DEG_id_tag_update(&mesh->id, DEG_TAG_COPY_ON_WRITE);
+       /* NOTE: Original mesh is used for display, so tag it directly here. */
+       BKE_mesh_batch_cache_dirty_tag(mesh, BKE_MESH_BATCH_DIRTY_ALL);
+}
+
 /* -------------------------------------------------------------------- */
 /** \name Set Vertex Colors Operator
  * \{ */
@@ -98,7 +107,7 @@ static bool vertex_color_set(Object *ob, uint paintcol)
        /* remove stale me->mcol, will be added later */
        BKE_mesh_tessface_clear(me);
 
-       DEG_id_tag_update(&me->id, 0);
+       tag_object_after_update(ob);
 
        return true;
 }
@@ -170,7 +179,7 @@ static bool vertex_paint_from_weight(Object *ob)
                } while (j < mp->totloop);
        }
 
-       DEG_id_tag_update(&ob->id, OB_RECALC_DATA);
+       tag_object_after_update(ob);
 
        return true;
 }
@@ -306,7 +315,7 @@ static bool vertex_color_smooth(Object *ob)
 
        MEM_freeN(mlooptag);
 
-       DEG_id_tag_update(&me->id, 0);
+       tag_object_after_update(ob);
 
        return true;
 }

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