Differential D14877 Diff 51339 source/blender/blenkernel/intern/curves_utils.cc

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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