diff options
Diffstat (limited to 'source/blender/blenkernel/intern/editderivedmesh.c')
-rw-r--r-- | source/blender/blenkernel/intern/editderivedmesh.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/editderivedmesh.c b/source/blender/blenkernel/intern/editderivedmesh.c index 262b0ea0971..0491cbd21f0 100644 --- a/source/blender/blenkernel/intern/editderivedmesh.c +++ b/source/blender/blenkernel/intern/editderivedmesh.c @@ -41,6 +41,8 @@ * is likely to be a little slow. */ +#include "atomic_ops.h" + #include "BLI_math.h" #include "BLI_jitter.h" #include "BLI_bitmap.h" @@ -300,7 +302,8 @@ static void emDM_recalcLoopTri(DerivedMesh *dm) } BLI_assert(dm->looptris.array == NULL); - SWAP(MLoopTri *, dm->looptris.array, dm->looptris.array_wip); + atomic_cas_ptr((void **)&dm->looptris.array, dm->looptris.array, dm->looptris.array_wip); + dm->looptris.array_wip = NULL; } static void emDM_foreachMappedVert( |