diff options
Diffstat (limited to 'source/blender/blenkernel/intern/editderivedmesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/editderivedmesh.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/source/blender/blenkernel/intern/editderivedmesh.c b/source/blender/blenkernel/intern/editderivedmesh.c index ab614b8f460..d810dac7365 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" @@ -641,8 +643,9 @@ static void emDM_recalcLoopTri(DerivedMesh *dm) int i; DM_ensure_looptri_data(dm); - mlooptri = dm->looptris.array; + mlooptri = dm->looptris.array_wip; + BLI_assert(tottri == 0 || mlooptri != NULL); BLI_assert(poly_to_tri_count(dm->numPolyData, dm->numLoopData) == dm->looptris.num); BLI_assert(tottri == dm->looptris.num); @@ -659,18 +662,10 @@ static void emDM_recalcLoopTri(DerivedMesh *dm) BM_elem_index_get(ltri[2])); lt->poly = BM_elem_index_get(ltri[0]->f); } -} - -static const MLoopTri *emDM_getLoopTriArray(DerivedMesh *dm) -{ - if (dm->looptris.array) { - BLI_assert(poly_to_tri_count(dm->numPolyData, dm->numLoopData) == dm->looptris.num); - } - else { - dm->recalcLoopTri(dm); - } - return dm->looptris.array; + BLI_assert(dm->looptris.array == NULL); + atomic_cas_ptr((void **)&dm->looptris.array, dm->looptris.array, dm->looptris.array_wip); + dm->looptris.array_wip = NULL; } static void emDM_foreachMappedVert( @@ -2259,8 +2254,6 @@ DerivedMesh *getEditDerivedBMesh( bmdm->dm.getNumLoops = emDM_getNumLoops; bmdm->dm.getNumPolys = emDM_getNumPolys; - bmdm->dm.getLoopTriArray = emDM_getLoopTriArray; - bmdm->dm.getVert = emDM_getVert; bmdm->dm.getVertCo = emDM_getVertCo; bmdm->dm.getVertNo = emDM_getVertNo; |