mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-30 12:11:15 -06:00
282 lines
9.1 KiB
Perl
282 lines
9.1 KiB
Perl
package Slic3r;
|
|
|
|
# Copyright holder: Alessandro Ranellucci
|
|
# This application is licensed under the GNU Affero General Public License, version 3
|
|
|
|
use strict;
|
|
use warnings;
|
|
require v5.10;
|
|
|
|
our $VERSION = VERSION();
|
|
|
|
our $debug = 0;
|
|
sub debugf {
|
|
printf @_ if $debug;
|
|
}
|
|
|
|
# load threads before Moo as required by it
|
|
our $have_threads;
|
|
BEGIN {
|
|
use Config;
|
|
$have_threads = $Config{useithreads} && eval "use threads; use threads::shared; use Thread::Queue; 1";
|
|
warn "threads.pm >= 1.96 is required, please update\n" if $have_threads && $threads::VERSION < 1.96;
|
|
|
|
### temporarily disable threads if using the broken Moo version
|
|
use Moo;
|
|
$have_threads = 0 if $Moo::VERSION == 1.003000;
|
|
}
|
|
|
|
warn "Running Slic3r under Perl 5.16 is not supported nor recommended\n"
|
|
if $^V == v5.16;
|
|
|
|
use FindBin;
|
|
our $var = "$FindBin::Bin/var";
|
|
|
|
use Encode;
|
|
use Encode::Locale;
|
|
use Moo 1.003001;
|
|
|
|
use Slic3r::XS; # import all symbols (constants etc.) before they get parsed
|
|
use Slic3r::Config;
|
|
use Slic3r::ExPolygon;
|
|
use Slic3r::ExtrusionLoop;
|
|
use Slic3r::ExtrusionPath;
|
|
use Slic3r::Fill;
|
|
use Slic3r::Flow;
|
|
use Slic3r::Format::AMF;
|
|
use Slic3r::Format::OBJ;
|
|
use Slic3r::Format::STL;
|
|
use Slic3r::GCode;
|
|
use Slic3r::GCode::ArcFitting;
|
|
use Slic3r::GCode::CoolingBuffer;
|
|
use Slic3r::GCode::MotionPlanner;
|
|
use Slic3r::GCode::PlaceholderParser;
|
|
use Slic3r::GCode::PressureRegulator;
|
|
use Slic3r::GCode::Reader;
|
|
use Slic3r::GCode::SpiralVase;
|
|
use Slic3r::GCode::VibrationLimit;
|
|
use Slic3r::Geometry qw(PI);
|
|
use Slic3r::Geometry::Clipper;
|
|
use Slic3r::Layer;
|
|
use Slic3r::Layer::PerimeterGenerator;
|
|
use Slic3r::Layer::Region;
|
|
use Slic3r::Line;
|
|
use Slic3r::Model;
|
|
use Slic3r::Point;
|
|
use Slic3r::Polygon;
|
|
use Slic3r::Polyline;
|
|
use Slic3r::Print;
|
|
use Slic3r::Print::GCode;
|
|
use Slic3r::Print::Object;
|
|
use Slic3r::Print::Simple;
|
|
use Slic3r::Print::SupportMaterial;
|
|
use Slic3r::Surface;
|
|
our $build = eval "use Slic3r::Build; 1";
|
|
use Thread::Semaphore;
|
|
|
|
use constant SCALING_FACTOR => 0.000001;
|
|
use constant RESOLUTION => 0.0125;
|
|
use constant SCALED_RESOLUTION => RESOLUTION / SCALING_FACTOR;
|
|
use constant SMALL_PERIMETER_LENGTH => (6.5 / SCALING_FACTOR) * 2 * PI;
|
|
use constant LOOP_CLIPPING_LENGTH_OVER_NOZZLE_DIAMETER => 0.15;
|
|
use constant INFILL_OVERLAP_OVER_SPACING => 0.3;
|
|
use constant EXTERNAL_INFILL_MARGIN => 3;
|
|
use constant INSET_OVERLAP_TOLERANCE => 0.4;
|
|
|
|
# keep track of threads we created
|
|
my @my_threads = ();
|
|
my @threads : shared = ();
|
|
my $pause_sema = Thread::Semaphore->new;
|
|
my $parallel_sema;
|
|
my $paused = 0;
|
|
|
|
sub spawn_thread {
|
|
my ($cb) = @_;
|
|
|
|
my $parent_tid = threads->tid;
|
|
lock @threads;
|
|
|
|
@_ = ();
|
|
my $thread = threads->create(sub {
|
|
@my_threads = ();
|
|
|
|
Slic3r::debugf "Starting thread %d (parent: %d)...\n", threads->tid, $parent_tid;
|
|
local $SIG{'KILL'} = sub {
|
|
Slic3r::debugf "Exiting thread %d...\n", threads->tid;
|
|
$parallel_sema->up if $parallel_sema;
|
|
kill_all_threads();
|
|
Slic3r::thread_cleanup();
|
|
threads->exit();
|
|
};
|
|
local $SIG{'STOP'} = sub {
|
|
$pause_sema->down;
|
|
$pause_sema->up;
|
|
};
|
|
$cb->();
|
|
});
|
|
push @my_threads, $thread->tid;
|
|
push @threads, $thread->tid;
|
|
return $thread;
|
|
}
|
|
|
|
sub parallelize {
|
|
my %params = @_;
|
|
|
|
lock @threads;
|
|
if (!$params{disable} && $Slic3r::have_threads && $params{threads} > 1) {
|
|
my @items = (ref $params{items} eq 'CODE') ? $params{items}->() : @{$params{items}};
|
|
my $q = Thread::Queue->new;
|
|
$q->enqueue(@items, (map undef, 1..$params{threads}));
|
|
|
|
$parallel_sema = Thread::Semaphore->new(-$params{threads});
|
|
$parallel_sema->up;
|
|
my $thread_cb = sub {
|
|
# execute thread callback
|
|
$params{thread_cb}->($q);
|
|
|
|
# signal the parent thread that we're done
|
|
$parallel_sema->up;
|
|
|
|
# cleanup before terminating thread
|
|
Slic3r::thread_cleanup();
|
|
|
|
# This explicit exit avoids an untrappable
|
|
# "Attempt to free unreferenced scalar" error
|
|
# triggered on Ubuntu 12.04 32-bit when we're running
|
|
# from the Wx plater and
|
|
# we're reusing the same plater object more than once.
|
|
# The downside to using this exit is that we can't return
|
|
# any value to the main thread but we're not doing that
|
|
# anymore anyway.
|
|
threads->exit;
|
|
};
|
|
|
|
@_ = ();
|
|
my @my_threads = map spawn_thread($thread_cb), 1..$params{threads};
|
|
|
|
# We use a semaphore instead of $th->join because joined threads are
|
|
# not listed by threads->list or threads->object anymore, thus can't
|
|
# be signalled.
|
|
$parallel_sema->down;
|
|
$_->detach for @my_threads;
|
|
} else {
|
|
$params{no_threads_cb}->();
|
|
}
|
|
}
|
|
|
|
# call this at the very end of each thread (except the main one)
|
|
# so that it does not try to free existing objects.
|
|
# at that stage, existing objects are only those that we
|
|
# inherited at the thread creation (thus shared) and those
|
|
# that we are returning: destruction will be handled by the
|
|
# main thread in both cases.
|
|
# reminder: do not destroy inherited objects in other threads,
|
|
# as the main thread will still try to destroy them when they
|
|
# go out of scope; in other words, if you're undef()'ing an
|
|
# object in a thread, make sure the main thread still holds a
|
|
# reference so that it won't be destroyed in thread.
|
|
sub thread_cleanup {
|
|
return if !$Slic3r::have_threads;
|
|
|
|
# prevent destruction of shared objects
|
|
no warnings 'redefine';
|
|
*Slic3r::BridgeDetector::DESTROY = sub {};
|
|
*Slic3r::Config::DESTROY = sub {};
|
|
*Slic3r::Config::Full::DESTROY = sub {};
|
|
*Slic3r::Config::GCode::DESTROY = sub {};
|
|
*Slic3r::Config::Print::DESTROY = sub {};
|
|
*Slic3r::Config::PrintObject::DESTROY = sub {};
|
|
*Slic3r::Config::PrintRegion::DESTROY = sub {};
|
|
*Slic3r::ExPolygon::DESTROY = sub {};
|
|
*Slic3r::ExPolygon::Collection::DESTROY = sub {};
|
|
*Slic3r::Extruder::DESTROY = sub {};
|
|
*Slic3r::ExtrusionLoop::DESTROY = sub {};
|
|
*Slic3r::ExtrusionPath::DESTROY = sub {};
|
|
*Slic3r::ExtrusionPath::Collection::DESTROY = sub {};
|
|
*Slic3r::Flow::DESTROY = sub {};
|
|
*Slic3r::GCode::PlaceholderParser::DESTROY = sub {};
|
|
*Slic3r::GCode::Writer::DESTROY = sub {};
|
|
*Slic3r::Geometry::BoundingBox::DESTROY = sub {};
|
|
*Slic3r::Geometry::BoundingBoxf::DESTROY = sub {};
|
|
*Slic3r::Geometry::BoundingBoxf3::DESTROY = sub {};
|
|
*Slic3r::Line::DESTROY = sub {};
|
|
*Slic3r::Linef3::DESTROY = sub {};
|
|
*Slic3r::Model::DESTROY = sub {};
|
|
*Slic3r::Model::Object::DESTROY = sub {};
|
|
*Slic3r::Point::DESTROY = sub {};
|
|
*Slic3r::Pointf::DESTROY = sub {};
|
|
*Slic3r::Pointf3::DESTROY = sub {};
|
|
*Slic3r::Polygon::DESTROY = sub {};
|
|
*Slic3r::Polyline::DESTROY = sub {};
|
|
*Slic3r::Polyline::Collection::DESTROY = sub {};
|
|
*Slic3r::Print::DESTROY = sub {};
|
|
*Slic3r::Print::Object::DESTROY = sub {};
|
|
*Slic3r::Print::Region::DESTROY = sub {};
|
|
*Slic3r::Surface::DESTROY = sub {};
|
|
*Slic3r::Surface::Collection::DESTROY = sub {};
|
|
*Slic3r::TriangleMesh::DESTROY = sub {};
|
|
return undef; # this prevents a "Scalars leaked" warning
|
|
}
|
|
|
|
sub get_running_threads {
|
|
return grep defined($_), map threads->object($_), @_;
|
|
}
|
|
|
|
sub kill_all_threads {
|
|
# if we're the main thread, we send SIGKILL to all the running threads
|
|
if (threads->tid == 0) {
|
|
lock @threads;
|
|
foreach my $thread (get_running_threads(@threads)) {
|
|
Slic3r::debugf "Thread %d killing %d...\n", threads->tid, $thread->tid;
|
|
$thread->kill('KILL');
|
|
}
|
|
|
|
# unlock semaphore before we block on wait
|
|
# otherwise we'd get a deadlock if threads were paused
|
|
resume_all_threads();
|
|
}
|
|
|
|
# in any thread we wait for our children
|
|
foreach my $thread (get_running_threads(@my_threads)) {
|
|
Slic3r::debugf " Thread %d waiting for %d...\n", threads->tid, $thread->tid;
|
|
$thread->join; # block until threads are killed
|
|
Slic3r::debugf " Thread %d finished waiting for %d...\n", threads->tid, $thread->tid;
|
|
}
|
|
@my_threads = ();
|
|
}
|
|
|
|
sub pause_all_threads {
|
|
return if $paused;
|
|
lock @threads;
|
|
$paused = 1;
|
|
$pause_sema->down;
|
|
$_->kill('STOP') for get_running_threads(@threads);
|
|
}
|
|
|
|
sub resume_all_threads {
|
|
return unless $paused;
|
|
lock @threads;
|
|
$paused = 0;
|
|
$pause_sema->up;
|
|
}
|
|
|
|
sub encode_path {
|
|
my ($filename) = @_;
|
|
return encode('locale_fs', $filename);
|
|
}
|
|
|
|
sub decode_path {
|
|
my ($filename) = @_;
|
|
return decode('locale_fs', $filename);
|
|
}
|
|
|
|
sub open {
|
|
my ($fh, $mode, $filename) = @_;
|
|
return CORE::open $$fh, $mode, encode_path($filename);
|
|
}
|
|
|
|
# this package declaration prevents an ugly fatal warning to be emitted when
|
|
# spawning a new thread
|
|
package GLUquadricObjPtr;
|
|
|
|
1;
|