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WIP to G-code export parallelization through pipelining:

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New class GCodeOutputStream as a G-code consumer.
In the following steps the GCodeOutputStream will be pipelined with
GCodeProcessor.
This commit is contained in:
Vojtech Bubnik 2021-09-07 16:23:43 +02:00
parent 32733b7db9
commit b5a007a683
2 changed files with 107 additions and 93 deletions
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48
src/libslic3r/GCode.hpp
View file

@ -184,13 +184,39 @@ public:
};
private:
void _do_export(Print &print, FILE *file, ThumbnailsGeneratorCallback thumbnail_cb);
class GCodeOutputStream {
public:
GCodeOutputStream(FILE *f) : f(f) {}
~GCodeOutputStream() { this->close(); }
bool is_open() const { return f; }
bool is_error() const { return ::ferror(f); }
void flush() { ::fflush(f); }
void close() { if (f) ::fclose(f); }
// Write a string into a file.
void write(const std::string& what) { this->write(what.c_str()); }
void write(const char* what);
// Write a string into a file.
// Add a newline, if the string does not end with a newline already.
// Used to export a custom G-code section processed by the PlaceholderParser.
void writeln(const std::string& what);
// Formats and write into a file the given data.
void write_format(const char* format, ...);
private:
FILE *f = nullptr;
};
void _do_export(Print &print, GCodeOutputStream &file, ThumbnailsGeneratorCallback thumbnail_cb);
static std::vector<LayerToPrint> collect_layers_to_print(const PrintObject &object);
static std::vector<std::pair<coordf_t, std::vector<LayerToPrint>>> collect_layers_to_print(const Print &print);
void process_layer(
// Write into the output file.
FILE *file,
GCodeOutputStream &file,
const Print &print,
// Set of object & print layers of the same PrintObject and with the same print_z.
const std::vector<LayerToPrint> &layers,
@ -358,22 +384,10 @@ private:
// Processor
GCodeProcessor m_processor;
// Write a string into a file.
void _write(FILE* file, const std::string& what) { this->_write(file, what.c_str()); }
void _write(FILE* file, const char *what);
// Write a string into a file.
// Add a newline, if the string does not end with a newline already.
// Used to export a custom G-code section processed by the PlaceholderParser.
void _writeln(FILE* file, const std::string& what);
// Formats and write into a file the given data.
void _write_format(FILE* file, const char* format, ...);
std::string _extrude(const ExtrusionPath &path, std::string description = "", double speed = -1);
void print_machine_envelope(FILE *file, Print &print);
void _print_first_layer_bed_temperature(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
void _print_first_layer_extruder_temperatures(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
void print_machine_envelope(GCodeOutputStream &file, Print &print);
void _print_first_layer_bed_temperature(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
void _print_first_layer_extruder_temperatures(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
// On the first printing layer. This flag triggers first layer speeds.
bool on_first_layer() const { return m_layer != nullptr && m_layer->id() == 0; }
// To control print speed of 1st object layer over raft interface.