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Parallelized PrintObject::_slice(), make_slices() code.

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This commit is contained in:
bubnikv 2017-03-08 10:37:47 +01:00
parent 1e6cf0cd98
commit 73439b7acb
1 changed files with 36 additions and 32 deletions
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68
xs/src/libslic3r/PrintObject.cpp
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@ -1133,39 +1133,43 @@ void PrintObject::_slice()
end:
;
for (size_t layer_id = 0; layer_id < layers.size(); ++ layer_id) {
Layer *layer = this->layers[layer_id];
// Apply size compensation and perform clipping of multi-part objects.
float delta = float(scale_(this->config.xy_size_compensation.value));
bool scale = delta != 0.f;
bool clip = this->config.clip_multipart_objects.value || delta > 0.f;
if (layer->regions.size() == 1) {
if (scale) {
// Single region, growing or shrinking.
LayerRegion *layerm = layer->regions.front();
layerm->slices.set(offset_ex(to_expolygons(std::move(layerm->slices.surfaces)), delta), stInternal);
tbb::parallel_for(
tbb::blocked_range<size_t>(0, this->layers.size()),
[this](const tbb::blocked_range<size_t>& range) {
for (size_t layer_id = range.begin(); layer_id < range.end(); ++ layer_id) {
Layer *layer = this->layers[layer_id];
// Apply size compensation and perform clipping of multi-part objects.
float delta = float(scale_(this->config.xy_size_compensation.value));
bool scale = delta != 0.f;
bool clip = this->config.clip_multipart_objects.value || delta > 0.f;
if (layer->regions.size() == 1) {
if (scale) {
// Single region, growing or shrinking.
LayerRegion *layerm = layer->regions.front();
layerm->slices.set(offset_ex(to_expolygons(std::move(layerm->slices.surfaces)), delta), stInternal);
}
} else if (scale || clip) {
// Multiple regions, growing, shrinking or just clipping one region by the other.
// When clipping the regions, priority is given to the first regions.
Polygons processed;
for (size_t region_id = 0; region_id < layer->regions.size(); ++ region_id) {
LayerRegion *layerm = layer->regions[region_id];
ExPolygons slices = to_expolygons(std::move(layerm->slices.surfaces));
if (scale)
slices = offset_ex(slices, delta);
if (region_id > 0 && clip)
// Trim by the slices of already processed regions.
slices = diff_ex(to_polygons(std::move(slices)), processed);
if (clip && region_id + 1 < layer->regions.size())
// Collect the already processed regions to trim the to be processed regions.
polygons_append(processed, slices);
layerm->slices.set(std::move(slices), stInternal);
}
}
// Merge all regions' slices to get islands, chain them by a shortest path.
layer->make_slices();
}
} else if (scale || clip) {
// Multiple regions, growing, shrinking or just clipping one region by the other.
// When clipping the regions, priority is given to the first regions.
Polygons processed;
for (size_t region_id = 0; region_id < layer->regions.size(); ++ region_id) {
LayerRegion *layerm = layer->regions[region_id];
ExPolygons slices = to_expolygons(std::move(layerm->slices.surfaces));
if (scale)
slices = offset_ex(slices, delta);
if (region_id > 0 && clip)
// Trim by the slices of already processed regions.
slices = diff_ex(to_polygons(std::move(slices)), processed);
if (clip && region_id + 1 < layer->regions.size())
// Collect the already processed regions to trim the to be processed regions.
polygons_append(processed, slices);
layerm->slices.set(std::move(slices), stInternal);
}
}
// Merge all regions' slices to get islands, chain them by a shortest path.
layer->make_slices();
}
});
}
std::vector<ExPolygons> PrintObject::_slice_region(size_t region_id, const std::vector<float> &z, bool modifier)