Merge branch '5.10' into CURA-12369_extra-wipe-move-with-spiralize

Author: wawanbreton

src/support.cpp

@@ -8,6 +8,7 @@
 #include <fstream> // ifstream.good()
 #include <utility> // pair
 
+#include <range/v3/algorithm/all_of.hpp>
 #include <range/v3/view/concat.hpp>
 #include <range/v3/view/drop.hpp>
 #include <range/v3/view/drop_last.hpp>
@@ -1013,6 +1014,23 @@ void AreaSupport::generateSupportAreasForMesh(
         return;
     }
 
+    if (ranges::all_of(
+            mesh.overhang_areas,
+            [](const Shape& overhang_area)
+            {
+                return overhang_area.empty();
+            })
+        && ranges::all_of(
+            mesh.full_overhang_areas,
+            [](const Shape& overhang_area)
+            {
+                return overhang_area.empty();
+            }))
+    {
+        // Mesh has no overhang, skip support generation
+        return;
+    }
+
     // Compute the areas that are disallowed by the X/Y distance.
     std::vector<Shape> xy_disallowed_per_layer;
     xy_disallowed_per_layer.resize(layer_count);