[Bf-blender-cvs] [90c3147e05b] master: Cleanup: Correct comment

[Hans Goudey]

Commit: 90c3147e05b31000ad6ca2f9db1d1b0907c7acd6
Author: Hans Goudey
Date:   Tue Mar 8 12:31:21 2022 -0600
Branches: master
https://developer.blender.org/rB90c3147e05b31000ad6ca2f9db1d1b0907c7acd6

Cleanup: Correct comment

Normals aren't stored in custom data anymore, nor are they stored in
MVert for comparisons.

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

M	source/blender/blenkernel/intern/mesh.cc

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

diff --git a/source/blender/blenkernel/intern/mesh.cc b/source/blender/blenkernel/intern/mesh.cc
index 37564f9334f..824c1ab1b90 100644
--- a/source/blender/blenkernel/intern/mesh.cc
+++ b/source/blender/blenkernel/intern/mesh.cc
@@ -142,11 +142,11 @@ static void mesh_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int
 
   mesh_dst->mselect = (MSelect *)MEM_dupallocN(mesh_dst->mselect);
 
-  /* Set normal layers dirty, since they aren't included in CD_MASK_MESH and are therefore not
-   * copied to the destination mesh. Alternatively normal layers could be copied if they aren't
-   * dirty, avoiding recomputation in some cases. However, a copied mesh is often changed anyway,
-   * so that idea is not clearly better. With proper reference counting, all custom data layers
-   * could be copied as the cost would be much lower. */
+  /* Set normal layers dirty. They should be dirty by default on new meshes anyway, but being
+   * explicit about it is safer. Alternatively normal layers could be copied if they aren't dirty,
+   * avoiding recomputation in some cases. However, a copied mesh is often changed anyway, so that
+   * idea is not clearly better. With proper reference counting, all custom data layers could be
+   * copied as the cost would be much lower. */
   BKE_mesh_normals_tag_dirty(mesh_dst);
 
   /* TODO: Do we want to add flag to prevent this? */
@@ -510,7 +510,6 @@ static int customdata_compare(
                 return MESHCMP_VERTCOMISMATCH;
               }
             }
-            /* I don't care about normals, let's just do coordinates. */
           }
           break;
         }