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Let the User Leave Out Infill or Everything But the Shell at Rest Too

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A plate of large objects can be slow to draw even when nothing is moving, and
the reductions built for dragging cannot help there because they skip layers.
So a second choice, applied at all times, leaves out the internal infill roles
or everything but the shell while drawing every layer. It is a third index
buffer filled by the same walk as the other two and bound whenever the dragging
set is not; the options need no counterpart since every layer is drawn. The
shell classification is shared, computed once when either choice asks for it.

On the 636-layer three-filament fixture at rest, against 448467 segments in
334 ms at full detail:

  internal infill left out        347208 segments  272 ms
  everything but the shell        215797 segments  181 ms

With the shell at rest and the shell at one layer in four while dragging, the
drag frame is 62 ms. At rest with the choice set to nothing, the preview is
pixel identical to before.
This commit is contained in:
Hanif Koh
2026-09-10 17:07:33 +08:00
parent 77d00c0ee4
commit e0275c4d69
9 changed files with 116 additions and 11 deletions
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src/slic3r/GUI/GCodeViewer.cpp
+10
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@@ -1176,6 +1176,7 @@ void GCodeViewer::load_as_gcode(const GCodeProcessorResult& gcode_result, const
m_reduced_detail_while_dragging = get_app_config()->get_bool("preview_reduced_detail_while_dragging");
m_reduced_detail_mode = reduced_detail_mode_from_string(get_app_config()->get("preview_reduced_detail_mode"));
m_reduced_detail_layer_stride = static_cast<unsigned int>(std::max(1, std::stoi(get_app_config()->get("preview_reduced_detail_layer_stride"))));
m_rest_detail_mode = reduced_detail_mode_from_string(get_app_config()->get("preview_rest_detail_mode"));
apply_reduced_detail_settings();
// ORCA: darken the layers the preview layer slider is not scrubbed to
@@ -1924,6 +1925,13 @@ void GCodeViewer::apply_reduced_detail_settings()
{
m_viewer.set_reduced_detail_mode(m_reduced_detail_while_dragging ? m_reduced_detail_mode : libvgcode::EReducedDetailMode::Off);
m_viewer.set_reduced_detail_layer_stride(m_reduced_detail_layer_stride);
m_viewer.set_rest_detail_mode(m_rest_detail_mode);
}
void GCodeViewer::set_rest_detail_mode(const std::string& mode)
{
m_rest_detail_mode = reduced_detail_mode_from_string(mode);
apply_reduced_detail_settings();
}
void GCodeViewer::set_reduced_detail_while_dragging(bool value)
@@ -1946,6 +1954,8 @@ void GCodeViewer::set_reduced_detail_layer_stride(unsigned int value)
libvgcode::EReducedDetailMode GCodeViewer::reduced_detail_mode_from_string(const std::string& mode)
{
if (mode == "full")
return libvgcode::EReducedDetailMode::Off;
if (mode == "layers")
return libvgcode::EReducedDetailMode::LayersOnly;
if (mode == "shell")