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Multithreaded mesh processing. #154

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This commit is contained in:
Alessandro Ranellucci 2012-04-09 12:29:47 +02:00
parent a800b97fdd
commit 68b48fa807
3 changed files with 55 additions and 2 deletions
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35
lib/Slic3r/Print.pm
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@ -39,7 +39,40 @@ sub new_from_mesh {
);
# process facets
$mesh->slice_facet($print, $_) for 0..$#{$mesh->facets};
{
my $apply_lines = sub {
my $lines = shift;
foreach my $layer_id (keys %$lines) {
my $layer = $print->layer($layer_id);
$layer->add_line($_) for @{ $lines->{$layer_id} };
}
};
Slic3r::parallelize(
disable => ($#{$mesh->facets} < 500), # don't parallelize when too few facets
items => [ 0..$#{$mesh->facets} ],
thread_cb => sub {
my $q = shift;
my $result_lines = {};
while (defined (my $facet_id = $q->dequeue)) {
my $lines = $mesh->slice_facet($print, $facet_id);
foreach my $layer_id (keys %$lines) {
$result_lines->{$layer_id} ||= [];
push @{ $result_lines->{$layer_id} }, @{ $lines->{$layer_id} };
}
}
return $result_lines;
},
collect_cb => sub {
$apply_lines->($_[0]);
},
no_threads_cb => sub {
for (0..$#{$mesh->facets}) {
my $lines = $mesh->slice_facet($print, $_);
$apply_lines->($lines);
}
},
);
}
die "Invalid input file\n" if !@{$print->layers};
# remove last layer if empty