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Improve performance by migrating to Clipper2 2.0.1 (#15969)

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Co-authored-by: Rodrigo Faselli <162915171+RF47@users.noreply.github.com>
This commit is contained in:
Ian Bassi
2026-10-02 17:33:41 -03:00
committed by GitHub
co-authored by Rodrigo Faselli
parent 70bc02467b
commit 222c6a2df5
78 changed files with 3028 additions and 7038 deletions
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tests/fff_print/test_fill.cpp
+19 -11
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@@ -1671,24 +1671,32 @@ TEST_CASE("Smoothing multiline lightning infill keeps its outlines connected", "
// and the outlines of branches that run close to each other merge into one. Rounding the branches
// before those outlines are built moves them apart, which breaks the merged outlines up into
// separate loops - many more of them, each needing its own travel move.
// A micron change of the cube moves the loop count of a single slice by several percent, so the
// shapes of a few nearly equal cubes are added up.
auto shape_for = [](const std::string &smooth_factor) {
Print print;
Slic3r::Test::init_and_process_print({Slic3r::Test::cube(20)}, print,
{{"sparse_infill_pattern", "lightning"},
{"sparse_infill_density", "50%"},
{"fill_multiline", 2},
{"sparse_infill_smooth_factor", smooth_factor},
{"layer_height", 0.2}});
return sparse_infill_shape(print);
SparseInfillShape sum;
for (const double size : {20., 20.001, 20.002, 20.003}) {
Print print;
Slic3r::Test::init_and_process_print({Slic3r::Test::cube(size)}, print,
{{"sparse_infill_pattern", "lightning"},
{"sparse_infill_density", "50%"},
{"fill_multiline", 2},
{"sparse_infill_smooth_factor", smooth_factor},
{"layer_height", 0.2}});
const SparseInfillShape shape = sparse_infill_shape(print);
sum.path_count += shape.path_count;
sum.point_count += shape.point_count;
sum.sharp_turns += shape.sharp_turns;
}
return sum;
};
const SparseInfillShape sharp = shape_for("0%");
const SparseInfillShape smooth = shape_for("100%");
REQUIRE(sharp.path_count > 0);
// The loop count varies by a loop or two between platforms and between runs, so this is not an
// exact comparison. Smoothing should leave it about where it was; uncapping the smoothing
// reach, the regression this guards against, adds about 10%.
// Smoothing should leave the loop count about where it was; uncapping the smoothing reach, the
// regression this guards against, adds about 10%.
const size_t allowed_extra = sharp.path_count / 50; // 2%
REQUIRE(smooth.path_count <= sharp.path_count + allowed_extra);
// The outlines are still rounded.