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Geometry Nodes: Parallelize "Set Spline Type"-node

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Parallelizes the loop that converts splines.
It gives around a 2x speedup on curves with over 1k splines.

Differential Revision: https://developer.blender.org/D13389
This commit is contained in:
Erik Abrahamsson
2021-11-27 18:17:58 +01:00
parent 2531358297
commit d2f4fb68f5
3 changed files with 22 additions and 18 deletions
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2
release/scripts/addons

Submodule release/scripts/addons updated: 4de1bcce5a...9030e2c6d1

2
release/scripts/addons_contrib

Submodule release/scripts/addons_contrib updated: 1646764828...7936dde9ec

36
source/blender/nodes/geometry/nodes/node_geo_curve_spline_type.cc
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@@ -261,24 +261,28 @@ static void node_geo_exec(GeoNodeExecParams params)
const VArray<bool> &selection = selection_evaluator.get_evaluated<bool>(0);
std::unique_ptr<CurveEval> new_curve = std::make_unique<CurveEval>();
for (const int i : curve.splines().index_range()) {
if (selection[i]) {
switch (output_type) {
case GEO_NODE_SPLINE_TYPE_POLY:
new_curve->add_spline(convert_to_poly_spline(*curve.splines()[i]));
break;
case GEO_NODE_SPLINE_TYPE_BEZIER:
new_curve->add_spline(convert_to_bezier(*curve.splines()[i], params));
break;
case GEO_NODE_SPLINE_TYPE_NURBS:
new_curve->add_spline(convert_to_nurbs(*curve.splines()[i]));
break;
new_curve->resize(curve.splines().size());
threading::parallel_for(curve.splines().index_range(), 512, [&](IndexRange range) {
for (const int i : range) {
if (selection[i]) {
switch (output_type) {
case GEO_NODE_SPLINE_TYPE_POLY:
new_curve->splines()[i] = convert_to_poly_spline(*curve.splines()[i]);
break;
case GEO_NODE_SPLINE_TYPE_BEZIER:
new_curve->splines()[i] = convert_to_bezier(*curve.splines()[i], params);
break;
case GEO_NODE_SPLINE_TYPE_NURBS:
new_curve->splines()[i] = convert_to_nurbs(*curve.splines()[i]);
break;
}
}
else {
new_curve->splines()[i] = curve.splines()[i]->copy();
}
}
else {
new_curve->add_spline(curve.splines()[i]->copy());
}
}
});
new_curve->attributes = curve.attributes;
geometry_set.replace_curve(new_curve.release());
});