diff options
author | Jacques Lucke <jacques@blender.org> | 2020-04-09 13:02:02 +0300 |
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committer | Jacques Lucke <jacques@blender.org> | 2020-04-09 13:02:02 +0300 |
commit | 55ee66be4d2eaf1bd4556a938c618c77985b4008 (patch) | |
tree | 85b445409637fa021c72e096d0d2133fdcf2992a /source/blender/blenkernel/intern/mesh_convert.c | |
parent | 726cf93f8ad09b49cd6481af2c6ad7d5e51b0c20 (diff) | |
parent | dabd59ba23f877f68aaf73e79f0d58118723d9b7 (diff) |
Merge branch 'functions' into builtin-simulation-nodesbuiltin-simulation-nodes
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_convert.c')
-rw-r--r-- | source/blender/blenkernel/intern/mesh_convert.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/mesh_convert.c b/source/blender/blenkernel/intern/mesh_convert.c index 74b79490d67..28a32e1573b 100644 --- a/source/blender/blenkernel/intern/mesh_convert.c +++ b/source/blender/blenkernel/intern/mesh_convert.c @@ -1155,9 +1155,21 @@ Mesh *BKE_mesh_new_from_object(Depsgraph *depsgraph, Object *object, bool preser /* Happens in special cases like request of mesh for non-mother meta ball. */ return NULL; } + /* The result must have 0 users, since it's just a mesh which is free-dangling data-block. * All the conversion functions are supposed to ensure mesh is not counted. */ BLI_assert(new_mesh->id.us == 0); + + /* It is possible that mesh came from modifier stack evaluation, which preserves edit_mesh + * pointer (which allows draw manager to access edit mesh when drawing). Normally this does + * not cause ownership problems because evaluated object runtime is keeping track of the real + * ownership. + * + * Here we are constructing a mesh which is supposed to be independent, which means no shared + * ownership is allowed, so we make sure edit mesh is reset to NULL (which is similar to as if + * one duplicates the objects and applies all the modifiers). */ + new_mesh->edit_mesh = NULL; + return new_mesh; } |