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Refactoring of the G-code preview for lower memory allocation

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and for separation of concerns:

The final G-code preview no more uses ExtrusionPaths structure
to hold the G-code path data extracted by parsing the G-code.
Instead, the ExtrusionPath class has been trimmed down back to
the original size before the G-code preview was introduced,
and a new GCodePreviewData::Extrusion::Path class was created to hold
the additional path data as the extruder ID, color change ID
and fan speed.
This commit is contained in:
bubnikv 2019-09-30 16:25:26 +02:00
parent b425ee50a9
commit 272479826f
7 changed files with 64 additions and 41 deletions
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18
src/slic3r/GUI/GLCanvas3D.cpp
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@ -4987,13 +4987,13 @@ void GLCanvas3D::_load_gcode_extrusion_paths(const GCodePreviewData& preview_dat
// helper functions to select data in dependence of the extrusion view type
struct Helper
{
static float path_filter(GCodePreviewData::Extrusion::EViewType type, const ExtrusionPath& path)
static float path_filter(GCodePreviewData::Extrusion::EViewType type, const GCodePreviewData::Extrusion::Path& path)
{
switch (type)
{
case GCodePreviewData::Extrusion::FeatureType:
// The role here is used for coloring.
return (float)path.role();
return (float)path.extrusion_role;
case GCodePreviewData::Extrusion::Height:
return path.height;
case GCodePreviewData::Extrusion::Width:
@ -5071,15 +5071,15 @@ void GLCanvas3D::_load_gcode_extrusion_paths(const GCodePreviewData& preview_dat
{
std::vector<size_t> num_paths_per_role(size_t(erCount), 0);
for (const GCodePreviewData::Extrusion::Layer &layer : preview_data.extrusion.layers)
for (const ExtrusionPath &path : layer.paths)
++ num_paths_per_role[size_t(path.role())];
for (const GCodePreviewData::Extrusion::Path &path : layer.paths)
++ num_paths_per_role[size_t(path.extrusion_role)];
std::vector<std::vector<float>> roles_values;
roles_values.assign(size_t(erCount), std::vector<float>());
for (size_t i = 0; i < roles_values.size(); ++ i)
roles_values[i].reserve(num_paths_per_role[i]);
for (const GCodePreviewData::Extrusion::Layer& layer : preview_data.extrusion.layers)
for (const ExtrusionPath& path : layer.paths)
roles_values[size_t(path.role())].emplace_back(Helper::path_filter(preview_data.extrusion.view_type, path));
for (const GCodePreviewData::Extrusion::Path &path : layer.paths)
roles_values[size_t(path.extrusion_role)].emplace_back(Helper::path_filter(preview_data.extrusion.view_type, path));
roles_filters.reserve(size_t(erCount));
size_t num_buffers = 0;
for (std::vector<float> &values : roles_values) {
@ -5107,9 +5107,9 @@ void GLCanvas3D::_load_gcode_extrusion_paths(const GCodePreviewData& preview_dat
// populates volumes
for (const GCodePreviewData::Extrusion::Layer& layer : preview_data.extrusion.layers)
{
for (const ExtrusionPath& path : layer.paths)
for (const GCodePreviewData::Extrusion::Path& path : layer.paths)
{
std::vector<std::pair<float, GLVolume*>> &filters = roles_filters[size_t(path.role())];
std::vector<std::pair<float, GLVolume*>> &filters = roles_filters[size_t(path.extrusion_role)];
auto key = std::make_pair<float, GLVolume*>(Helper::path_filter(preview_data.extrusion.view_type, path), nullptr);
auto it_filter = std::lower_bound(filters.begin(), filters.end(), key);
assert(it_filter != filters.end() && key.first == it_filter->first);
@ -5119,7 +5119,7 @@ void GLCanvas3D::_load_gcode_extrusion_paths(const GCodePreviewData& preview_dat
vol.offsets.push_back(vol.indexed_vertex_array.quad_indices.size());
vol.offsets.push_back(vol.indexed_vertex_array.triangle_indices.size());
_3DScene::extrusionentity_to_verts(path, layer.z, vol);
_3DScene::extrusionentity_to_verts(path.polyline, path.width, path.height, layer.z, vol);
}
// Ensure that no volume grows over the limits. If the volume is too large, allocate a new one.
for (std::vector<std::pair<float, GLVolume*>> &filters : roles_filters) {