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author | Campbell Barton <ideasman42@gmail.com> | 2021-05-18 05:53:28 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2021-05-18 06:35:00 +0300 |
commit | dfb963c70df515213c452094c20c83720bc017ee (patch) | |
tree | 039b2e3b0aa8fa192d19e4545ce9332dbaee9337 /source/blender/blenkernel/intern/rigidbody.c | |
parent | cdc1ddf20bcf6b0a3783039a3828847afd3fd633 (diff) |
Fix T88026: Repeated switch to rendered viewport crashes
Resolve ownership ambiguity with shared physics pointers.
Previously, LIB_ID_CREATE_NO_MAIN allowed pointer sharing with
the source ID so physics caches can be shared between original and
evaluated data: (Object.soft.shared & Object.rigidbody_object.shared).
This only worked properly for LIB_TAG_COPIED_ON_WRITE ID's,
as LIB_TAG_NO_MAIN can be used in situations where the original ID's
lifetime limited by it's original data.
This commit adds `LIB_ID_COPY_SET_COPIED_ON_WRITE` so ID's only share
memory with original data for ID's evaluated in the depsgraph.
For all other uses, a full copy of physics data is made.
Ref D11228#287094
Diffstat (limited to 'source/blender/blenkernel/intern/rigidbody.c')
-rw-r--r-- | source/blender/blenkernel/intern/rigidbody.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/rigidbody.c b/source/blender/blenkernel/intern/rigidbody.c index 19078446009..2539b990210 100644 --- a/source/blender/blenkernel/intern/rigidbody.c +++ b/source/blender/blenkernel/intern/rigidbody.c @@ -260,10 +260,12 @@ static RigidBodyOb *rigidbody_copy_object(const Object *ob, const int flag) RigidBodyOb *rboN = NULL; if (ob->rigidbody_object) { + const bool is_orig = (flag & LIB_ID_COPY_SET_COPIED_ON_WRITE) == 0; + /* just duplicate the whole struct first (to catch all the settings) */ rboN = MEM_dupallocN(ob->rigidbody_object); - if ((flag & LIB_ID_CREATE_NO_MAIN) == 0) { + if (is_orig) { /* This is a regular copy, and not a CoW copy for depsgraph evaluation */ rboN->shared = MEM_callocN(sizeof(*rboN->shared), "RigidBodyOb_Shared"); } |