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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bke
*/
#include "BKE_curves_utils.hh"
namespace blender::bke::curves {
void fill_curve_counts(const bke::CurvesGeometry &curves,
const Span<IndexRange> curve_ranges,
MutableSpan<int> counts)
{
threading::parallel_for(curve_ranges.index_range(), 512, [&](IndexRange ranges_range) {
for (const IndexRange curves_range : curve_ranges.slice(ranges_range)) {
threading::parallel_for(curves_range, 4096, [&](IndexRange range) {
for (const int i : range) {
counts[i] = curves.points_for_curve(i).size();
}
});
}
});
}
void accumulate_counts_to_offsets(MutableSpan<int> counts_to_offsets, const int start_offset)
{
int offset = start_offset;
for (const int i : counts_to_offsets.index_range().drop_back(1)) {
const int count = counts_to_offsets[i];
BLI_assert(count > 0);
counts_to_offsets[i] = offset;
offset += count;
}
counts_to_offsets.last() = offset;
}
} // namespace blender::bke::curves
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