isubdivision.h

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/******************************************************************************
* Copyright 2023 NVIDIA Corporation. All rights reserved.
*****************************************************************************/
 
#ifndef NVIDIA_INDEX_ISUBDIVISION_H
#define NVIDIA_INDEX_ISUBDIVISION_H
 
#include <mi/math/bbox.h>
#include <mi/neuraylib/dice.h>
 
namespace nv {
namespace index {
 
class ISubdivision :
    public mi::base::Interface_declare<0x470b9032,0x21f5,0x4f4f,0xa7,0xae,0xb8,0xe9,0x48,0xae,0x86,0x50,
                                       mi::neuraylib::ISerializable>
{
public:
    virtual mi::Uint32  get_nb_subregions() const = 0;
 
    virtual mi::math::Bbox_struct<mi::Float32, 3> get_subregion(mi::Uint32 index) const = 0;
 
    // Type of subregion-id will change to Subregion_identifier, when it was converted to 64 bit.
    // A value of 0 represent an invalid id.
    typedef   mi::Uint64            Subregion_id;
    //typedef Subregion_identifier  Subregion_id; // \see idistributed_data_locality.h
 
    virtual Subregion_id    get_subregion_id(mi::Uint32 index) const = 0;
 
    virtual mi::Float64     get_subregion_weight(mi::Uint32 index) const = 0;
};
 
class ISubdivision_topology :
    public mi::base::Interface_declare<0x1fb9897d,0x1f7a,0x4f47,0xb0,0xea,0xbd,0x2b,0x68,0x67,0x4f,0xd7,
                                       nv::index::ISubdivision>
{
public:
    enum Topology_type 
    {
        TOPO_KD_TREE,   
        TOPO_OCTREE     
    };
 
    virtual mi::Uint32 get_topology_type() const = 0;
 
    virtual mi::Uint32 get_nb_nodes() const = 0;
 
    virtual mi::math::Bbox_struct<mi::Float32, 3> get_node_box(mi::Uint32 inode) const = 0;
 
    virtual mi::Uint32 get_node_child_count(mi::Uint32 inode) const = 0;
 
    virtual mi::Sint32 get_node_child(mi::Uint32 inode, mi::Uint32 ichild) const = 0;
 
    virtual mi::Sint32 get_node_subregion_index(mi::Uint32 inode) const = 0;
};
 
}} // namespace nv::index
 
#endif