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Implemented wipe tower print path preview.

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This commit is contained in:
bubnikv 2017-05-25 22:27:53 +02:00
parent 7d64c465c0
commit e000b22578
19 changed files with 615 additions and 190 deletions
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144
xs/src/slic3r/GUI/3DScene.cpp
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@ -962,4 +962,148 @@ void _3DScene::_load_print_object_toolpaths(
BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - end";
}
void _3DScene::_load_wipe_tower_toolpaths(
const Print *print,
GLVolumeCollection *volumes,
const std::vector<std::string> &tool_colors_str,
bool use_VBOs)
{
std::vector<float> tool_colors = parse_colors(tool_colors_str);
struct Ctxt
{
const Print *print;
const std::vector<float> *tool_colors;
// Number of vertices (each vertex is 6x4=24 bytes long)
static const size_t alloc_size_max () { return 131072; } // 3.15MB
static const size_t alloc_size_reserve() { return alloc_size_max() * 2; }
static const float* color_support () { static float color[4] = { 0.5f, 1.0f, 0.5f, 1.f }; return color; } // greenish
// For cloring by a tool, return a parsed color.
bool color_by_tool() const { return tool_colors != nullptr; }
size_t number_tools() const { return this->color_by_tool() ? tool_colors->size() / 4 : 0; }
const float* color_tool(size_t tool) const { return tool_colors->data() + tool * 4; }
} ctxt;
ctxt.print = print;
ctxt.tool_colors = tool_colors.empty() ? nullptr : &tool_colors;
BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - start";
//FIXME Improve the heuristics for a grain size.
size_t n_layers = print->m_wipe_tower_tool_changes.size();
size_t grain_size = std::max(n_layers / 128, size_t(1));
tbb::spin_mutex new_volume_mutex;
auto new_volume = [volumes, &new_volume_mutex](const float *color) -> GLVolume* {
auto *volume = new GLVolume(color);
new_volume_mutex.lock();
volumes->volumes.emplace_back(volume);
new_volume_mutex.unlock();
return volume;
};
const size_t volumes_cnt_initial = volumes->volumes.size();
std::vector<GLVolumeCollection> volumes_per_thread(n_layers);
tbb::parallel_for(
tbb::blocked_range<size_t>(0, n_layers, grain_size),
[&ctxt, &new_volume](const tbb::blocked_range<size_t>& range) {
// Bounding box of this slab of a wipe tower.
BoundingBoxf3 bbox;
bbox.min = Pointf3(
ctxt.print->config.wipe_tower_x.value - 10.,
ctxt.print->config.wipe_tower_y.value - 10.,
ctxt.print->m_wipe_tower_tool_changes[range.begin()].front().print_z - 3.);
bbox.max = Pointf3(
ctxt.print->config.wipe_tower_x.value + ctxt.print->config.wipe_tower_width.value + 10.,
ctxt.print->config.wipe_tower_y.value + ctxt.print->config.wipe_tower_per_color_wipe.value *
ctxt.print->m_tool_ordering.layer_tools()[range.begin()].wipe_tower_partitions + 10.,
ctxt.print->m_wipe_tower_tool_changes[range.end() - 1].front().print_z + 0.1);
std::vector<GLVolume*> vols;
if (ctxt.color_by_tool()) {
for (size_t i = 0; i < ctxt.number_tools(); ++ i)
vols.emplace_back(new_volume(ctxt.color_tool(i)));
} else
vols = { new_volume(ctxt.color_support()) };
for (size_t i = 0; i < vols.size(); ++ i) {
GLVolume &volume = *vols[i];
volume.bounding_box = bbox;
volume.indexed_vertex_array.reserve(ctxt.alloc_size_reserve());
}
for (size_t idx_layer = range.begin(); idx_layer < range.end(); ++ idx_layer) {
const std::vector<WipeTower::ToolChangeResult> &layer = ctxt.print->m_wipe_tower_tool_changes[idx_layer];
coordf_t layer_height = (idx_layer == 0) ?
ctxt.print->objects.front()->config.first_layer_height.get_abs_value(ctxt.print->objects.front()->config.layer_height.value) :
ctxt.print->objects.front()->config.layer_height.value;
for (size_t i = 0; i < vols.size(); ++ i) {
GLVolume &vol = *vols[i];
if (vol.print_zs.empty() || vol.print_zs.back() != layer.front().print_z) {
vol.print_zs.push_back(layer.front().print_z);
vol.offsets.push_back(vol.indexed_vertex_array.quad_indices.size());
vol.offsets.push_back(vol.indexed_vertex_array.triangle_indices.size());
}
}
for (const WipeTower::ToolChangeResult &extrusions : layer) {
for (size_t i = 1; i < extrusions.extrusions.size();) {
const WipeTower::Extrusion &e = extrusions.extrusions[i];
if (e.width == 0.) {
++ i;
continue;
}
size_t j = i + 1;
if (ctxt.color_by_tool())
for (; j < extrusions.extrusions.size() && extrusions.extrusions[j].tool == e.tool && extrusions.extrusions[j].width > 0.f; ++ j) ;
else
for (; j < extrusions.extrusions.size() && extrusions.extrusions[j].width > 0.f; ++ j) ;
size_t n_lines = j - i;
Lines lines;
std::vector<double> widths;
std::vector<double> heights;
lines.reserve(n_lines);
widths.reserve(n_lines);
heights.assign(n_lines, layer_height);
for (; i < j; ++ i) {
const WipeTower::Extrusion &e = extrusions.extrusions[i];
assert(e.width > 0.f);
const WipeTower::Extrusion &e_prev = *(&e - 1);
lines.emplace_back(Point::new_scale(e_prev.pos.x, e_prev.pos.y), Point::new_scale(e.pos.x, e.pos.y));
widths.emplace_back(e.width);
}
thick_lines_to_verts(lines, widths, heights, lines.front().a == lines.back().b, extrusions.print_z, *vols[ctxt.color_by_tool() ? e.tool : 0]);
}
}
}
for (size_t i = 0; i < vols.size(); ++ i) {
GLVolume &vol = *vols[i];
if (vol.indexed_vertex_array.vertices_and_normals_interleaved.size() / 6 > ctxt.alloc_size_max()) {
// Store the vertex arrays and restart their containers,
vols[i] = new_volume(vol.color);
GLVolume &vol_new = *vols[i];
vol_new.bounding_box = bbox;
// Assign the large pre-allocated buffers to the new GLVolume.
vol_new.indexed_vertex_array = std::move(vol.indexed_vertex_array);
// Copy the content back to the old GLVolume.
vol.indexed_vertex_array = vol_new.indexed_vertex_array;
// Clear the buffers, but keep them pre-allocated.
vol_new.indexed_vertex_array.clear();
// Just make sure that clear did not clear the reserved memory.
vol_new.indexed_vertex_array.reserve(ctxt.alloc_size_reserve());
}
}
for (size_t i = 0; i < vols.size(); ++ i)
vols[i]->indexed_vertex_array.shrink_to_fit();
});
BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - finalizing results";
// Remove empty volumes from the newly added volumes.
volumes->volumes.erase(
std::remove_if(volumes->volumes.begin() + volumes_cnt_initial, volumes->volumes.end(),
[](const GLVolume *volume) { return volume->empty(); }),
volumes->volumes.end());
for (size_t i = volumes_cnt_initial; i < volumes->volumes.size(); ++ i)
volumes->volumes[i]->indexed_vertex_array.finalize_geometry(use_VBOs);
BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - end";
}
}