itriangle_mesh_subset.h

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/******************************************************************************
 * Copyright 2023 NVIDIA Corporation. All rights reserved.
 *****************************************************************************/
 
#ifndef NVIDIA_INDEX_ITRIANGLE_MESH_SUBSET_H
#define NVIDIA_INDEX_ITRIANGLE_MESH_SUBSET_H
 
#include <mi/dice.h>
#include <mi/base/interface_declare.h>
#include <mi/math/vector.h>
 
#include <nv/index/idistributed_data_subset.h>
 
namespace nv {
 
namespace index {
 
class ITriangle_mesh_subset :
    public mi::base::Interface_declare<0x19fa1bbf,0xcda6,0x43d5,0x89,0x40,0x57,0x95,0x78,0x99,0xb5,0x3d,
                                       IDistributed_data_subset>
{
public:
    enum Triflags
    {
        TRIFLAGS_VISIBLE_EDGE_NONE = 0,
        TRIFLAGS_VISIBLE_EDGE_01   = 1,
        TRIFLAGS_VISIBLE_EDGE_12   = 2,
        TRIFLAGS_VISIBLE_EDGE_20   = 4,
        TRIFLAGS_VISIBLE_EDGE_ALL  = 7
    };
 
    virtual bool initialize(
        const mi::math::Bbox_struct<mi::Float32, 3>&    bounding_box,
 
        const mi::math::Vector_struct<mi::Float32, 3>*  vertices,
        mi::Uint32                                      nb_vertices,
 
        const mi::Uint32*                               vertex_indices,
        mi::Uint32                                      nb_indices,
 
        const mi::Uint64*                               global_triangle_ids,
        mi::Uint64                                      nb_global_triangle_ids,
 
        const mi::math::Vector_struct<mi::Float32, 3>*  normals                 = 0,
        mi::Uint32                                      nb_normals              = 0,
 
        const mi::math::Vector_struct<mi::Float32, 2>*  texture_coordinates     = 0,
        mi::Uint32                                      nb_texture_coordinates  = 0,
 
        const mi::math::Color_struct*                   colors                  = 0,
        mi::Uint32                                      nb_colors               = 0,
 
        const mi::Uint32*                               normal_indices          = 0,
        const mi::Uint32*                               tex_coord_indices       = 0,
        const mi::Uint32*                               color_indices           = 0,
        const mi::Uint32*                               colormap_indices        = 0,
 
        const mi::Uint16*                               materials               = 0,
        mi::Uint32                                      nb_materials            = 0,
 
        const ITriangle_mesh_subset::Triflags*          triangle_flags          = 0,    // BROKEN, bit flag combinations!
        mi::Uint32                                      nb_triangle_flags       = 0) = 0;
 
    virtual mi::Uint32 get_nb_triangles() const = 0;
 
    virtual mi::Uint32  get_nb_vertices() const = 0;
 
    virtual const mi::math::Vector_struct<mi::Float32, 3>* get_vertices() const = 0;
 
    virtual const mi::Uint32* get_vertex_indices() const = 0;
 
    virtual mi::Uint32  get_nb_normals() const = 0;
 
    virtual const mi::math::Vector_struct<mi::Float32, 3>* get_normals() const = 0;
 
    virtual const mi::Uint32* get_normal_indices() const = 0;
 
    virtual mi::Uint32  get_nb_texture_coordinates() const = 0;
 
    virtual const mi::math::Vector_struct<mi::Float32, 2>* get_texture_coordinates() const = 0;
 
    virtual const mi::Uint32* get_texture_coordinate_indices() const = 0;
 
    virtual mi::Uint32  get_nb_colors() const = 0;
 
    virtual const mi::math::Color_struct* get_colors() const = 0;
 
    virtual const mi::Uint32* get_color_indices() const = 0;
 
    virtual const mi::Uint32* get_colormap_indices() const = 0;
 
    virtual mi::Uint32  get_nb_materials() const = 0;
 
    virtual const mi::Uint16* get_materials() const = 0;
 
    virtual mi::Uint32  get_nb_triangle_flags() const = 0;
 
    virtual const ITriangle_mesh_subset::Triflags* get_triangle_flags() const = 0;
 
    virtual const mi::Uint64* get_global_triangle_ids() const = 0;
 
    virtual const mi::math::Bbox_struct<mi::Float32, 3>& get_bounding_box() const = 0;
};
 
 
}} // namespace index / nv
 
#endif // NVIDIA_INDEX_ITRIANGLE_MESH_SUBSET_H