Slight performance boost

follow up to f7db7c0
2021-11-11 11:12:03 +01:00 · 2021-11-11 11:12:03 +01:00 · 17686b4814
commit 17686b4814
parent a0e6c7a076
2 changed files with 2 additions and 2 deletions
--- a/src/libslic3r/Model.cpp
+++ b/src/libslic3r/Model.cpp
@ -1893,7 +1893,7 @@ size_t ModelVolume::split(unsigned int max_extruders)
    // discard volumes for which the convex hull was not generated or is degenerate
    size_t i = 0;
    while (i < this->object->volumes.size()) {
-        std::shared_ptr<const TriangleMesh> hull = this->object->volumes[i]->get_convex_hull_shared_ptr();
+        const std::shared_ptr<const TriangleMesh> &hull = this->object->volumes[i]->get_convex_hull_shared_ptr();
        if (hull == nullptr || hull->its.vertices.empty() || hull->its.indices.empty()) {
            this->object->delete_volume(i);
            --idx;