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Fix #107694: Assert adding custom normals to empty mesh

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This commit is contained in:
Hans Goudey
2023-05-08 18:40:46 -04:00
parent 150943e084
commit e151425c5c
1 changed files with 4 additions and 2 deletions
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6
source/blender/blenkernel/intern/mesh_normals.cc
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@@ -1331,8 +1331,10 @@ void normals_calc_loop(const Span<float3> vert_positions,
MLoopNorSpace *lnor_spaces = nullptr;
if (r_lnors_spacearr) {
r_lnors_spacearr->spaces_num = single_corners.size() + fan_corners.size();
lnor_spaces = static_cast<MLoopNorSpace *>(BLI_memarena_calloc(
r_lnors_spacearr->mem, sizeof(MLoopNorSpace) * r_lnors_spacearr->spaces_num));
if (r_lnors_spacearr->spaces_num > 0) {
lnor_spaces = static_cast<MLoopNorSpace *>(BLI_memarena_calloc(
r_lnors_spacearr->mem, sizeof(MLoopNorSpace) * r_lnors_spacearr->spaces_num));
}
}
threading::parallel_for(single_corners.index_range(), 1024, [&](const IndexRange range) {