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Differential D13430 Diff 45517 source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_point_instance.cc

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source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_point_instance.cc

Show First 20 Lines • Show All 180 Lines • ▼ Show 20 Linesstatic void add_instances_from_component(InstancesComponent &instances,
VArray<float3> scales = src_geometry.attribute_get_for_read<float3>("scale", domain, {1, 1, 1}); VArray<float3> scales = src_geometry.attribute_get_for_read<float3>("scale", domain, {1, 1, 1});
VArray<int> id_attribute = src_geometry.attribute_get_for_read<int>("id", domain, -1); VArray<int> id_attribute = src_geometry.attribute_get_for_read<int>("id", domain, -1);
/* The initial size of the component might be non-zero if there are two component types. */ /* The initial size of the component might be non-zero if there are two component types. */
const int start_len = instances.instances_amount(); const int start_len = instances.instances_amount();
instances.resize(start_len + domain_size); instances.resize(start_len + domain_size);
MutableSpan<int> handles = instances.instance_reference_handles().slice(start_len, domain_size); MutableSpan<int> handles = instances.instance_reference_handles().slice(start_len, domain_size);
MutableSpan<float4x4> transforms = instances.instance_transforms().slice(start_len, domain_size); MutableSpan<float4x4> transforms = instances.instance_transforms().slice(start_len, domain_size);
MutableSpan<int> instance_ids = instances.instance_ids_ensure().slice(start_len, domain_size); OutputAttribute_Typed<int> instance_id_attribute =
instances.attribute_try_get_for_output_only<int>("id", ATTR_DOMAIN_INSTANCE);
MutableSpan<int> instance_ids = instance_id_attribute.as_span();
/* Skip all of the randomness handling if there is only a single possible instance /* Skip all of the randomness handling if there is only a single possible instance
* (anything except for collection mode with "Whole Collection" turned off). */ * (anything except for collection mode with "Whole Collection" turned off). */
if (possible_handles.size() == 1) { if (possible_handles.size() == 1) {
const int handle = possible_handles.first(); const int handle = possible_handles.first();
threading::parallel_for(IndexRange(domain_size), 1024, [&](IndexRange range) { threading::parallel_for(IndexRange(domain_size), 1024, [&](IndexRange range) {
for (const int i : range) { for (const int i : range) {
handles[i] = handle; handles[i] = handle;
Show All 10 Lines threading::parallel_for(IndexRange(domain_size), 1024, [&](IndexRange range) {
const int index = BLI_hash_int_2d(ids[i], seed) % possible_handles.size(); const int index = BLI_hash_int_2d(ids[i], seed) % possible_handles.size();
const int handle = possible_handles[index]; const int handle = possible_handles[index];
handles[i] = handle; handles[i] = handle;
transforms[i] = float4x4::from_loc_eul_scale(positions[i], rotations[i], scales[i]); transforms[i] = float4x4::from_loc_eul_scale(positions[i], rotations[i], scales[i]);
instance_ids[i] = id_attribute[i]; instance_ids[i] = id_attribute[i];
} }
}); });
} }
instance_id_attribute.save();
} }
static void node_geo_exec(GeoNodeExecParams params) static void node_geo_exec(GeoNodeExecParams params)
{ {
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
GeometrySet geometry_set_out; GeometrySet geometry_set_out;
/* TODO: This node should be able to instance on the input instances component /* TODO: This node should be able to instance on the input instances component
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