[Bf-blender-cvs] [12d7994a481] master: Cleanup: Improve comment about copying mesh shared caches

[Hans Goudey]

Commit: 12d7994a4811021f251453a378be421ee5291041
Author: Hans Goudey
Date:   Fri Nov 18 17:02:30 2022 -0600
Branches: master
https://developer.blender.org/rB12d7994a4811021f251453a378be421ee5291041

Cleanup: Improve comment about copying mesh shared caches

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

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diff --git a/source/blender/blenkernel/intern/mesh.cc b/source/blender/blenkernel/intern/mesh.cc
index f2f9e4a4c5f..23fee166a0b 100644
--- a/source/blender/blenkernel/intern/mesh.cc
+++ b/source/blender/blenkernel/intern/mesh.cc
@@ -124,9 +124,9 @@ static void mesh_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int
    * highly unlikely we want to create a duplicate and not use it for drawing. */
   mesh_dst->runtime->is_original_bmesh = false;
 
-  /* Share the bounding box cache between the source and destination mesh for improved performance
-   * when the source is persistent and edits to the destination don't change the bounds. It will be
-   * "un-shared" as necessary when the positions are changed. */
+  /* Share various derived caches between the source and destination mesh for improved performance
+   * when the source is persistent and edits to the destination mesh don't affect the caches.
+   * Caches will be "un-shared" as necessary later on. */
   mesh_dst->runtime->bounds_cache = mesh_src->runtime->bounds_cache;
   mesh_dst->runtime->loose_edges_cache = mesh_src->runtime->loose_edges_cache;