TriangleMesh.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "cloudViewer/core/Tensor.h"
 
namespace cloudViewer {
namespace t {
namespace geometry {
namespace kernel {
namespace trianglemesh {
 
void NormalizeNormalsCPU(core::Tensor& normals);
 
void ComputeTriangleNormalsCPU(const core::Tensor& vertices,
                               const core::Tensor& triangles,
                               core::Tensor& normals);
 
void ComputeVertexNormalsCPU(const core::Tensor& triangles,
                             const core::Tensor& triangle_normals,
                             core::Tensor& vertex_normals);
 
void ComputeTriangleAreasCPU(const core::Tensor& vertices,
                             const core::Tensor& triangles,
                             core::Tensor& triangle_areas);
 
std::array<core::Tensor, 3> SamplePointsUniformlyCPU(
        const core::Tensor& triangles,
        const core::Tensor& vertices,
        const core::Tensor& triangle_areas,
        const core::Tensor& vertex_normals,
        const core::Tensor& vertex_colors,
        const core::Tensor& triangle_normals,
        const core::Tensor& texture_uvs,
        const core::Tensor& albedo,
        size_t number_of_points);
 
#ifdef BUILD_CUDA_MODULE
void NormalizeNormalsCUDA(core::Tensor& normals);
 
void ComputeTriangleNormalsCUDA(const core::Tensor& vertices,
                                const core::Tensor& triangles,
                                core::Tensor& normals);
 
void ComputeVertexNormalsCUDA(const core::Tensor& triangles,
                              const core::Tensor& triangle_normals,
                              core::Tensor& vertex_normals);
 
void ComputeTriangleAreasCUDA(const core::Tensor& vertices,
                              const core::Tensor& triangles,
                              core::Tensor& triangle_areas);
#endif
 
}  // namespace trianglemesh
}  // namespace kernel
}  // namespace geometry
}  // namespace t
}  // namespace cloudViewer