diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_curve_to_mesh.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_curve_to_mesh.cc | 512 |
1 files changed, 453 insertions, 59 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_to_mesh.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_to_mesh.cc index b0c763c7d06..f46440fd949 100644 --- a/source/blender/nodes/geometry/nodes/node_geo_curve_to_mesh.cc +++ b/source/blender/nodes/geometry/nodes/node_geo_curve_to_mesh.cc @@ -39,6 +39,20 @@ static void geo_node_curve_to_mesh_declare(NodeDeclarationBuilder &b) b.add_output<decl::Geometry>("Mesh"); } +/** Information about the creation of one curve spline and profile spline combination. */ +struct ResultInfo { + const Spline &spline; + const Spline &profile; + int vert_offset; + int edge_offset; + int loop_offset; + int poly_offset; + int spline_vert_len; + int spline_edge_len; + int profile_vert_len; + int profile_edge_len; +}; + static void vert_extrude_to_mesh_data(const Spline &spline, const float3 profile_vert, MutableSpan<MVert> r_verts, @@ -75,44 +89,33 @@ static void mark_edges_sharp(MutableSpan<MEdge> edges) } } -static void spline_extrude_to_mesh_data(const Spline &spline, - const Spline &profile_spline, - const int vert_offset, - const int edge_offset, - const int loop_offset, - const int poly_offset, +static void spline_extrude_to_mesh_data(const ResultInfo &info, MutableSpan<MVert> r_verts, MutableSpan<MEdge> r_edges, MutableSpan<MLoop> r_loops, MutableSpan<MPoly> r_polys) { - const int spline_vert_len = spline.evaluated_points_size(); - const int spline_edge_len = spline.evaluated_edges_size(); - const int profile_vert_len = profile_spline.evaluated_points_size(); - const int profile_edge_len = profile_spline.evaluated_edges_size(); - if (spline_vert_len == 0) { - return; - } - - if (profile_vert_len == 1) { + const Spline &spline = info.spline; + const Spline &profile = info.profile; + if (info.profile_vert_len == 1) { vert_extrude_to_mesh_data(spline, - profile_spline.evaluated_positions()[0], + profile.evaluated_positions()[0], r_verts, r_edges, - vert_offset, - edge_offset); + info.vert_offset, + info.edge_offset); return; } /* Add the edges running along the length of the curve, starting at each profile vertex. */ - const int spline_edges_start = edge_offset; - for (const int i_profile : IndexRange(profile_vert_len)) { - const int profile_edge_offset = spline_edges_start + i_profile * spline_edge_len; - for (const int i_ring : IndexRange(spline_edge_len)) { - const int i_next_ring = (i_ring == spline_vert_len - 1) ? 0 : i_ring + 1; + const int spline_edges_start = info.edge_offset; + for (const int i_profile : IndexRange(info.profile_vert_len)) { + const int profile_edge_offset = spline_edges_start + i_profile * info.spline_edge_len; + for (const int i_ring : IndexRange(info.spline_edge_len)) { + const int i_next_ring = (i_ring == info.spline_vert_len - 1) ? 0 : i_ring + 1; - const int ring_vert_offset = vert_offset + profile_vert_len * i_ring; - const int next_ring_vert_offset = vert_offset + profile_vert_len * i_next_ring; + const int ring_vert_offset = info.vert_offset + info.profile_vert_len * i_ring; + const int next_ring_vert_offset = info.vert_offset + info.profile_vert_len * i_next_ring; MEdge &edge = r_edges[profile_edge_offset + i_ring]; edge.v1 = ring_vert_offset + i_profile; @@ -122,13 +125,14 @@ static void spline_extrude_to_mesh_data(const Spline &spline, } /* Add the edges running along each profile ring. */ - const int profile_edges_start = spline_edges_start + profile_vert_len * spline_edge_len; - for (const int i_ring : IndexRange(spline_vert_len)) { - const int ring_vert_offset = vert_offset + profile_vert_len * i_ring; + const int profile_edges_start = spline_edges_start + + info.profile_vert_len * info.spline_edge_len; + for (const int i_ring : IndexRange(info.spline_vert_len)) { + const int ring_vert_offset = info.vert_offset + info.profile_vert_len * i_ring; - const int ring_edge_offset = profile_edges_start + i_ring * profile_edge_len; - for (const int i_profile : IndexRange(profile_edge_len)) { - const int i_next_profile = (i_profile == profile_vert_len - 1) ? 0 : i_profile + 1; + const int ring_edge_offset = profile_edges_start + i_ring * info.profile_edge_len; + for (const int i_profile : IndexRange(info.profile_edge_len)) { + const int i_next_profile = (i_profile == info.profile_vert_len - 1) ? 0 : i_profile + 1; MEdge &edge = r_edges[ring_edge_offset + i_profile]; edge.v1 = ring_vert_offset + i_profile; @@ -138,24 +142,25 @@ static void spline_extrude_to_mesh_data(const Spline &spline, } /* Calculate poly and corner indices. */ - for (const int i_ring : IndexRange(spline_edge_len)) { - const int i_next_ring = (i_ring == spline_vert_len - 1) ? 0 : i_ring + 1; + for (const int i_ring : IndexRange(info.spline_edge_len)) { + const int i_next_ring = (i_ring == info.spline_vert_len - 1) ? 0 : i_ring + 1; - const int ring_vert_offset = vert_offset + profile_vert_len * i_ring; - const int next_ring_vert_offset = vert_offset + profile_vert_len * i_next_ring; + const int ring_vert_offset = info.vert_offset + info.profile_vert_len * i_ring; + const int next_ring_vert_offset = info.vert_offset + info.profile_vert_len * i_next_ring; - const int ring_edge_start = profile_edges_start + profile_edge_len * i_ring; - const int next_ring_edge_offset = profile_edges_start + profile_edge_len * i_next_ring; + const int ring_edge_start = profile_edges_start + info.profile_edge_len * i_ring; + const int next_ring_edge_offset = profile_edges_start + info.profile_edge_len * i_next_ring; - const int ring_poly_offset = poly_offset + i_ring * profile_edge_len; - const int ring_loop_offset = loop_offset + i_ring * profile_edge_len * 4; + const int ring_poly_offset = info.poly_offset + i_ring * info.profile_edge_len; + const int ring_loop_offset = info.loop_offset + i_ring * info.profile_edge_len * 4; - for (const int i_profile : IndexRange(profile_edge_len)) { + for (const int i_profile : IndexRange(info.profile_edge_len)) { const int ring_segment_loop_offset = ring_loop_offset + i_profile * 4; - const int i_next_profile = (i_profile == profile_vert_len - 1) ? 0 : i_profile + 1; + const int i_next_profile = (i_profile == info.profile_vert_len - 1) ? 0 : i_profile + 1; - const int spline_edge_start = spline_edges_start + spline_edge_len * i_profile; - const int next_spline_edge_start = spline_edges_start + spline_edge_len * i_next_profile; + const int spline_edge_start = spline_edges_start + info.spline_edge_len * i_profile; + const int next_spline_edge_start = spline_edges_start + + info.spline_edge_len * i_next_profile; MPoly &poly = r_polys[ring_poly_offset + i_profile]; poly.loopstart = ring_segment_loop_offset; @@ -181,29 +186,30 @@ static void spline_extrude_to_mesh_data(const Spline &spline, Span<float3> positions = spline.evaluated_positions(); Span<float3> tangents = spline.evaluated_tangents(); Span<float3> normals = spline.evaluated_normals(); - Span<float3> profile_positions = profile_spline.evaluated_positions(); + Span<float3> profile_positions = profile.evaluated_positions(); GVArray_Typed<float> radii = spline.interpolate_to_evaluated(spline.radii()); - for (const int i_ring : IndexRange(spline_vert_len)) { + for (const int i_ring : IndexRange(info.spline_vert_len)) { float4x4 point_matrix = float4x4::from_normalized_axis_data( positions[i_ring], normals[i_ring], tangents[i_ring]); point_matrix.apply_scale(radii[i_ring]); - const int ring_vert_start = vert_offset + i_ring * profile_vert_len; - for (const int i_profile : IndexRange(profile_vert_len)) { + const int ring_vert_start = info.vert_offset + i_ring * info.profile_vert_len; + for (const int i_profile : IndexRange(info.profile_vert_len)) { MVert &vert = r_verts[ring_vert_start + i_profile]; copy_v3_v3(vert.co, point_matrix * profile_positions[i_profile]); } } /* Mark edge loops from sharp vector control points sharp. */ - if (profile_spline.type() == Spline::Type::Bezier) { - const BezierSpline &bezier_spline = static_cast<const BezierSpline &>(profile_spline); + if (profile.type() == Spline::Type::Bezier) { + const BezierSpline &bezier_spline = static_cast<const BezierSpline &>(profile); Span<int> control_point_offsets = bezier_spline.control_point_offsets(); for (const int i : IndexRange(bezier_spline.size())) { if (bezier_spline.point_is_sharp(i)) { - mark_edges_sharp(r_edges.slice( - spline_edges_start + spline_edge_len * control_point_offsets[i], spline_edge_len)); + mark_edges_sharp( + r_edges.slice(spline_edges_start + info.spline_edge_len * control_point_offsets[i], + info.spline_edge_len)); } } } @@ -272,6 +278,372 @@ static ResultOffsets calculate_result_offsets(Span<SplinePtr> profiles, Span<Spl return {std::move(vert), std::move(edge), std::move(loop), std::move(poly)}; } +static AttributeDomain get_result_attribute_domain(const MeshComponent &component, + const AttributeIDRef &attribute_id) +{ + /* Only use a different domain if it is builtin and must only exist on one domain. */ + if (!component.attribute_is_builtin(attribute_id)) { + return ATTR_DOMAIN_POINT; + } + + std::optional<AttributeMetaData> meta_data = component.attribute_get_meta_data(attribute_id); + if (!meta_data) { + /* This function has to return something in this case, but it shouldn't be used, + * so return an output that will assert later if the code attempts to handle it. */ + return ATTR_DOMAIN_AUTO; + } + + return meta_data->domain; +} + +/** + * The data stored in the attribute and its domain from #OutputAttribute, to avoid calling + * `as_span()` for every single profile and curve spline combination, and for readability. + */ +struct ResultAttributeData { + GMutableSpan data; + AttributeDomain domain; +}; + +static std::optional<ResultAttributeData> create_attribute_and_get_span( + MeshComponent &component, + const AttributeIDRef &attribute_id, + AttributeMetaData meta_data, + Vector<OutputAttribute> &r_attributes) +{ + const AttributeDomain domain = get_result_attribute_domain(component, attribute_id); + OutputAttribute attribute = component.attribute_try_get_for_output_only( + attribute_id, domain, meta_data.data_type); + if (!attribute) { + return std::nullopt; + } + + GMutableSpan span = attribute.as_span(); + r_attributes.append(std::move(attribute)); + return std::make_optional<ResultAttributeData>({span, domain}); +} + +/** + * Store the references to the attribute data from the curve and profile inputs. Here we rely on + * the invariants of the storage of curve attributes, that the order will be consistent between + * splines, and all splines will have the same attributes. + */ +struct ResultAttributes { + /** + * Result attributes on the mesh corresponding to each attribute on the curve input, in the same + * order. The data is optional only in case the attribute does not exist on the mesh for some + * reason, like "shade_smooth" when the result has no faces. + */ + Vector<std::optional<ResultAttributeData>> curve_point_attributes; + Vector<std::optional<ResultAttributeData>> curve_spline_attributes; + + /** + * Result attributes corresponding the attributes on the profile input, in the same order. The + * attributes are optional in case the attribute names correspond to a namse used by the curve + * input, in which case the curve input attributes take precedence. + */ + Vector<std::optional<ResultAttributeData>> profile_point_attributes; + Vector<std::optional<ResultAttributeData>> profile_spline_attributes; + + /** + * Because some builtin attributes are not stored contiguously, and the curve inputs might have + * attributes with those names, it's necessary to keep OutputAttributes around to give access to + * the result data in a contiguous array. + */ + Vector<OutputAttribute> attributes; +}; +static ResultAttributes create_result_attributes(const CurveEval &curve, + const CurveEval &profile, + Mesh &mesh) +{ + MeshComponent mesh_component; + mesh_component.replace(&mesh, GeometryOwnershipType::Editable); + Set<AttributeIDRef> curve_attributes; + + /* In order to prefer attributes on the main curve input when there are name collisions, first + * check the attributes on the curve, then add attributes on the profile that are not also on the + * main curve input. */ + ResultAttributes result; + curve.splines().first()->attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &meta_data) { + curve_attributes.add_new(id); + result.curve_point_attributes.append( + create_attribute_and_get_span(mesh_component, id, meta_data, result.attributes)); + return true; + }, + ATTR_DOMAIN_POINT); + curve.attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &meta_data) { + curve_attributes.add_new(id); + result.curve_spline_attributes.append( + create_attribute_and_get_span(mesh_component, id, meta_data, result.attributes)); + return true; + }, + ATTR_DOMAIN_CURVE); + profile.splines().first()->attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &meta_data) { + if (curve_attributes.contains(id)) { + result.profile_point_attributes.append({}); + } + else { + result.profile_point_attributes.append( + create_attribute_and_get_span(mesh_component, id, meta_data, result.attributes)); + } + return true; + }, + ATTR_DOMAIN_POINT); + profile.attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &meta_data) { + if (curve_attributes.contains(id)) { + result.profile_spline_attributes.append({}); + } + else { + result.profile_spline_attributes.append( + create_attribute_and_get_span(mesh_component, id, meta_data, result.attributes)); + } + return true; + }, + ATTR_DOMAIN_CURVE); + + return result; +} + +template<typename T> +static void copy_curve_point_data_to_mesh_verts(const Span<T> src, + const ResultInfo &info, + MutableSpan<T> dst) +{ + for (const int i_ring : IndexRange(info.spline_vert_len)) { + const int ring_vert_start = info.vert_offset + i_ring * info.profile_vert_len; + dst.slice(ring_vert_start, info.profile_vert_len).fill(src[i_ring]); + } +} + +template<typename T> +static void copy_curve_point_data_to_mesh_edges(const Span<T> src, + const ResultInfo &info, + MutableSpan<T> dst) +{ + const int edges_start = info.edge_offset + info.profile_vert_len * info.spline_edge_len; + for (const int i_ring : IndexRange(info.spline_vert_len)) { + const int ring_edge_start = edges_start + info.profile_edge_len * i_ring; + dst.slice(ring_edge_start, info.profile_edge_len).fill(src[i_ring]); + } +} + +template<typename T> +static void copy_curve_point_data_to_mesh_faces(const Span<T> src, + const ResultInfo &info, + MutableSpan<T> dst) +{ + for (const int i_ring : IndexRange(info.spline_edge_len)) { + const int ring_face_start = info.poly_offset + info.profile_edge_len * i_ring; + dst.slice(ring_face_start, info.profile_edge_len).fill(src[i_ring]); + } +} + +static void copy_curve_point_attribute_to_mesh(const GSpan src, + const ResultInfo &info, + ResultAttributeData &dst) +{ + GVArrayPtr interpolated_gvarray = info.spline.interpolate_to_evaluated(src); + GSpan interpolated = interpolated_gvarray->get_internal_span(); + + attribute_math::convert_to_static_type(src.type(), [&](auto dummy) { + using T = decltype(dummy); + switch (dst.domain) { + case ATTR_DOMAIN_POINT: + copy_curve_point_data_to_mesh_verts(interpolated.typed<T>(), info, dst.data.typed<T>()); + break; + case ATTR_DOMAIN_EDGE: + copy_curve_point_data_to_mesh_edges(interpolated.typed<T>(), info, dst.data.typed<T>()); + break; + case ATTR_DOMAIN_FACE: + copy_curve_point_data_to_mesh_faces(interpolated.typed<T>(), info, dst.data.typed<T>()); + break; + case ATTR_DOMAIN_CORNER: + /* Unsupported for now, since there are no builtin attributes to convert into. */ + break; + default: + BLI_assert_unreachable(); + break; + } + }); +} + +template<typename T> +static void copy_profile_point_data_to_mesh_verts(const Span<T> src, + const ResultInfo &info, + MutableSpan<T> dst) +{ + for (const int i_ring : IndexRange(info.spline_vert_len)) { + const int profile_vert_start = info.vert_offset + i_ring * info.profile_vert_len; + for (const int i_profile : IndexRange(info.profile_vert_len)) { + dst[profile_vert_start + i_profile] = src[i_profile]; + } + } +} + +template<typename T> +static void copy_profile_point_data_to_mesh_edges(const Span<T> src, + const ResultInfo &info, + MutableSpan<T> dst) +{ + for (const int i_profile : IndexRange(info.profile_vert_len)) { + const int profile_edge_offset = info.edge_offset + i_profile * info.spline_edge_len; + dst.slice(profile_edge_offset, info.spline_edge_len).fill(src[i_profile]); + } +} + +template<typename T> +static void copy_profile_point_data_to_mesh_faces(const Span<T> src, + const ResultInfo &info, + MutableSpan<T> dst) +{ + for (const int i_ring : IndexRange(info.spline_edge_len)) { + const int profile_face_start = info.poly_offset + i_ring * info.profile_edge_len; + for (const int i_profile : IndexRange(info.profile_edge_len)) { + dst[profile_face_start + i_profile] = src[i_profile]; + } + } +} + +static void copy_profile_point_attribute_to_mesh(const GSpan src, + const ResultInfo &info, + ResultAttributeData &dst) +{ + GVArrayPtr interpolated_gvarray = info.profile.interpolate_to_evaluated(src); + GSpan interpolated = interpolated_gvarray->get_internal_span(); + + attribute_math::convert_to_static_type(src.type(), [&](auto dummy) { + using T = decltype(dummy); + switch (dst.domain) { + case ATTR_DOMAIN_POINT: + copy_profile_point_data_to_mesh_verts(interpolated.typed<T>(), info, dst.data.typed<T>()); + break; + case ATTR_DOMAIN_EDGE: + copy_profile_point_data_to_mesh_edges(interpolated.typed<T>(), info, dst.data.typed<T>()); + break; + case ATTR_DOMAIN_FACE: + copy_profile_point_data_to_mesh_faces(interpolated.typed<T>(), info, dst.data.typed<T>()); + break; + case ATTR_DOMAIN_CORNER: + /* Unsupported for now, since there are no builtin attributes to convert into. */ + break; + default: + BLI_assert_unreachable(); + break; + } + }); +} + +static void copy_point_domain_attributes_to_mesh(const ResultInfo &info, + ResultAttributes &attributes) +{ + if (!attributes.curve_point_attributes.is_empty()) { + int i = 0; + info.spline.attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &UNUSED(meta_data)) { + if (attributes.curve_point_attributes[i]) { + copy_curve_point_attribute_to_mesh(*info.spline.attributes.get_for_read(id), + info, + *attributes.curve_point_attributes[i]); + } + i++; + return true; + }, + ATTR_DOMAIN_POINT); + } + if (!attributes.profile_point_attributes.is_empty()) { + int i = 0; + info.profile.attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &UNUSED(meta_data)) { + if (attributes.profile_point_attributes[i]) { + copy_profile_point_attribute_to_mesh(*info.profile.attributes.get_for_read(id), + info, + *attributes.profile_point_attributes[i]); + } + i++; + return true; + }, + ATTR_DOMAIN_POINT); + } +} + +template<typename T> +static void copy_spline_data_to_mesh(Span<T> src, Span<int> offsets, MutableSpan<T> dst) +{ + for (const int i : IndexRange(src.size())) { + dst.slice(offsets[i], offsets[i + 1] - offsets[i]).fill(src[i]); + } +} + +/** + * Since the offsets for each combination of curve and profile spline are stored for every mesh + * domain, and this just needs to fill the chunks corresponding to each combination, we can use + * the same function for all mesh domains. + */ +static void copy_spline_attribute_to_mesh(const GSpan src, + const ResultOffsets &offsets, + ResultAttributeData &dst_attribute) +{ + attribute_math::convert_to_static_type(src.type(), [&](auto dummy) { + using T = decltype(dummy); + switch (dst_attribute.domain) { + case ATTR_DOMAIN_POINT: + copy_spline_data_to_mesh(src.typed<T>(), offsets.vert, dst_attribute.data.typed<T>()); + break; + case ATTR_DOMAIN_EDGE: + copy_spline_data_to_mesh(src.typed<T>(), offsets.edge, dst_attribute.data.typed<T>()); + break; + case ATTR_DOMAIN_FACE: + copy_spline_data_to_mesh(src.typed<T>(), offsets.poly, dst_attribute.data.typed<T>()); + break; + case ATTR_DOMAIN_CORNER: + copy_spline_data_to_mesh(src.typed<T>(), offsets.loop, dst_attribute.data.typed<T>()); + break; + default: + BLI_assert_unreachable(); + break; + } + }); +} + +static void copy_spline_domain_attributes_to_mesh(const CurveEval &curve, + const CurveEval &profile, + const ResultOffsets &offsets, + ResultAttributes &attributes) +{ + if (!attributes.curve_spline_attributes.is_empty()) { + int i = 0; + curve.attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &UNUSED(meta_data)) { + if (attributes.curve_spline_attributes[i]) { + copy_spline_attribute_to_mesh(*curve.attributes.get_for_read(id), + offsets, + *attributes.curve_spline_attributes[i]); + } + i++; + return true; + }, + ATTR_DOMAIN_CURVE); + } + if (!attributes.profile_spline_attributes.is_empty()) { + int i = 0; + profile.attributes.foreach_attribute( + [&](const AttributeIDRef &id, const AttributeMetaData &UNUSED(meta_data)) { + if (attributes.profile_spline_attributes[i]) { + copy_spline_attribute_to_mesh(*profile.attributes.get_for_read(id), + offsets, + *attributes.profile_spline_attributes[i]); + } + i++; + return true; + }, + ATTR_DOMAIN_CURVE); + } +} + /** * \note Normal calculation is by far the slowest part of calculations relating to the result mesh. * Although it would be a sensible decision to use the better topology information available while @@ -294,30 +666,52 @@ static Mesh *curve_to_mesh_calculate(const CurveEval &curve, const CurveEval &pr BKE_id_material_eval_ensure_default_slot(&mesh->id); mesh->flag |= ME_AUTOSMOOTH; mesh->smoothresh = DEG2RADF(180.0f); - mesh->runtime.cd_dirty_vert |= CD_MASK_NORMAL; - mesh->runtime.cd_dirty_poly |= CD_MASK_NORMAL; + BKE_mesh_normals_tag_dirty(mesh); + + ResultAttributes attributes = create_result_attributes(curve, profile, *mesh); threading::parallel_for(curves.index_range(), 128, [&](IndexRange curves_range) { for (const int i_spline : curves_range) { + const Spline &spline = *curves[i_spline]; + if (spline.evaluated_points_size() == 0) { + continue; + } const int spline_start_index = i_spline * profiles.size(); threading::parallel_for(profiles.index_range(), 128, [&](IndexRange profiles_range) { for (const int i_profile : profiles_range) { + const Spline &profile = *profiles[i_profile]; const int i_mesh = spline_start_index + i_profile; - spline_extrude_to_mesh_data(*curves[i_spline], - *profiles[i_profile], - offsets.vert[i_mesh], - offsets.edge[i_mesh], - offsets.loop[i_mesh], - offsets.poly[i_mesh], + ResultInfo info{ + spline, + profile, + offsets.vert[i_mesh], + offsets.edge[i_mesh], + offsets.loop[i_mesh], + offsets.poly[i_mesh], + spline.evaluated_points_size(), + spline.evaluated_edges_size(), + profile.evaluated_points_size(), + profile.evaluated_edges_size(), + }; + + spline_extrude_to_mesh_data(info, {mesh->mvert, mesh->totvert}, {mesh->medge, mesh->totedge}, {mesh->mloop, mesh->totloop}, {mesh->mpoly, mesh->totpoly}); + + copy_point_domain_attributes_to_mesh(info, attributes); } }); } }); + copy_spline_domain_attributes_to_mesh(curve, profile, offsets, attributes); + + for (OutputAttribute &output_attribute : attributes.attributes) { + output_attribute.save(); + } + return mesh; } |