3d3bc74884
MSVC used to warn about const mismatch for arguments passed by value. Remove these as newer versions of MSVC no longer show this warning.
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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/** \file
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* \ingroup bke
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*/
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#include "FN_generic_virtual_array.hh"
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#include "BLI_float3.hh"
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#include "BKE_attribute.h"
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struct Mesh;
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namespace blender::bke {
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struct ReadAttributeLookup;
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class OutputAttribute;
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} // namespace blender::bke
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namespace blender::bke::mesh_surface_sample {
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using fn::CPPType;
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using fn::GMutableSpan;
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using fn::GSpan;
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using fn::GVArray;
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void sample_point_attribute(const Mesh &mesh,
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Span<int> looptri_indices,
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Span<float3> bary_coords,
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const GVArray &data_in,
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const IndexMask mask,
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GMutableSpan data_out);
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void sample_corner_attribute(const Mesh &mesh,
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Span<int> looptri_indices,
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Span<float3> bary_coords,
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const GVArray &data_in,
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const IndexMask mask,
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GMutableSpan data_out);
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void sample_face_attribute(const Mesh &mesh,
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Span<int> looptri_indices,
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const GVArray &data_in,
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const IndexMask mask,
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GMutableSpan data_out);
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enum class eAttributeMapMode {
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INTERPOLATED,
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NEAREST,
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};
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/**
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* A utility class that performs attribute interpolation from a source mesh.
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*
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* The interpolator is only valid as long as the mesh is valid.
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* Barycentric weights are needed when interpolating point or corner domain attributes,
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* these are computed lazily when needed and re-used.
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*/
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class MeshAttributeInterpolator {
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private:
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const Mesh *mesh_;
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const IndexMask mask_;
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const Span<float3> positions_;
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const Span<int> looptri_indices_;
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Array<float3> bary_coords_;
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Array<float3> nearest_weights_;
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public:
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MeshAttributeInterpolator(const Mesh *mesh,
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const IndexMask mask,
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const Span<float3> positions,
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const Span<int> looptri_indices);
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void sample_data(const GVArray &src,
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AttributeDomain domain,
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eAttributeMapMode mode,
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const GMutableSpan dst);
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void sample_attribute(const ReadAttributeLookup &src_attribute,
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OutputAttribute &dst_attribute,
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eAttributeMapMode mode);
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protected:
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Span<float3> ensure_barycentric_coords();
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Span<float3> ensure_nearest_weights();
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};
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} // namespace blender::bke::mesh_surface_sample
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