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Geometry Nodes: Parallelize bounds compuation in points to volume 

On my computer this saves a few milliseconds when there are
over 1 million points.
This commit is contained in:
Hans Goudey 2022-11-22 12:13:52 -06:00
parent 8990983b07
commit 772696a1a5
1 changed files with 4 additions and 4 deletions
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8
source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc
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@ -6,6 +6,8 @@
# include <openvdb/tools/ParticlesToLevelSet.h>
#endif
#include "BLI_bounds.hh"
#include "node_geometry_util.hh"
#include "BKE_lib_id.h"
@ -142,9 +144,7 @@ static float compute_voxel_size(const GeoNodeExecParams &params,
return 0.0f;
}
float3 min, max;
INIT_MINMAX(min, max);
minmax_v3v3_v3_array(min, max, (float(*)[3])positions.data(), positions.size());
const Bounds<float3> bounds = *bounds::min_max(positions);
const float voxel_amount = params.get_input<float>("Voxel Amount");
if (voxel_amount <= 1) {
@ -152,7 +152,7 @@ static float compute_voxel_size(const GeoNodeExecParams &params,
}
/* The voxel size adapts to the final size of the volume. */
const float diagonal = math::distance(min, max);
const float diagonal = math::distance(bounds.min, bounds.max);
const float extended_diagonal = diagonal + 2.0f * radius;
const float voxel_size = extended_diagonal / voxel_amount;
return voxel_size;