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Parallelization of regions merging for MMU segmentation.

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Lukáš Hejl
2021-05-03 21:01:52 +02:00
parent 2e9f0d6eaf
commit 5bfdaa7ac8
1 changed files with 21 additions and 19 deletions
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4
src/libslic3r/MultiMaterialSegmentation.cpp
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@@ -1360,7 +1360,8 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
std::vector<Polygons> input_polygons(layers.size());
// Merge all regions and remove small holes
for(size_t layer_idx = 0; layer_idx < layers.size(); layer_idx += 1) {
tbb::parallel_for(tbb::blocked_range<size_t>(0, layers.size()), [&](const tbb::blocked_range<size_t> &range) {
for (size_t layer_idx = range.begin(); layer_idx < range.end(); ++layer_idx) {
ExPolygons ex_polygons;
for (LayerRegion *region : layers[layer_idx]->regions())
for (const Surface &surface : region->slices.surfaces)
@@ -1379,6 +1380,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
// Calling expolygons_simplify fixed these issues.
input_polygons[layer_idx] = simplify_polygons(to_polygons(expolygons_simplify(offset_ex(ex_polygons, -SCALED_EPSILON), SCALED_EPSILON)));
}
}); // end of parallel_for
for (size_t layer_idx = 0; layer_idx < layers.size(); ++layer_idx) {
BoundingBox bbox(get_extents(input_polygons[layer_idx]));