diff options
| author | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2011-10-31 21:00:59 +0400 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2011-10-31 21:00:59 +0400 |
| commit | 4e0d8ccf9619f72fb6cbca1d18647f9dff1f0d73 (patch) | |
| tree | 2bd53384c66578fdd787b674823b599f27e071ae /source/blender/nodes/texture | |
| parent | bdb279ec5b4f8537bc30a54bef814bd47f2aef1e (diff) | |
Fix #29084: material/texture nodes crash introduced in 2.60, execdata is being
lazely created but this wasn't done in a thread safe way.
Diffstat (limited to 'source/blender/nodes/texture')
| -rw-r--r-- | source/blender/nodes/texture/node_texture_tree.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/source/blender/nodes/texture/node_texture_tree.c b/source/blender/nodes/texture/node_texture_tree.c index 78792956684..5e5d44540dc 100644 --- a/source/blender/nodes/texture/node_texture_tree.c +++ b/source/blender/nodes/texture/node_texture_tree.c @@ -232,8 +232,15 @@ int ntreeTexExecTree( data.mtex= mtex; data.shi= shi; - if (!exec) - exec = ntreeTexBeginExecTree(nodes, 1); + /* ensure execdata is only initialized once */ + if (!exec) { + BLI_lock_thread(LOCK_NODES); + if(!nodes->execdata) + ntreeTexBeginExecTree(nodes, 1); + BLI_unlock_thread(LOCK_NODES); + + exec= nodes->execdata; + } nts= ntreeGetThreadStack(exec, thread); ntreeExecThreadNodes(exec, nts, &data, thread); |