xac_interface_scene_elements_irregular_volume_doc.h

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/******************************************************************************
 * Copyright 2023 NVIDIA Corporation. All rights reserved.
 *****************************************************************************/
 
namespace nv {
namespace index {
namespace xac {
 
struct Sample_info_irregular_volume : public Sample_info
{
    Irregular_volume_cell_info sample_cell_info;
};
 
struct Irregular_volume_cell_info
{
    bool is_valid() const;
};
 
class Irregular_volume
{
public:
    typedef Sample_info_irregular_volume            Base_info_type;
 
    xac::Colormap               get_colormap() const;
 
    float3                      get_scene_bounding_box_min() const;
 
    float3                      get_scene_bounding_box_max() const;
 
    Irregular_volume_cell_info  generate_cell_sample_info(
        const Ray&        ray,
        const float       ray_t) const;
 
    Irregular_volume_cell_info  generate_cell_sample_info(
        const float3&     scene_position) const;
 
    template<typename Attrib_type>
    Attrib_type fetch_attribute(
        const unsigned    attrib_idx,
        const Irregular_volume_cell_info& cell_info) const;
 
    template<typename Attrib_type>
    Attrib_type fetch_attribute_offset(
        const unsigned                    attrib_idx,
        const Irregular_volume_cell_info& cell_info,
        const float3&                     sample_offset_vector) const;
 
}; // class Irregular_volume
 
} // namespace xac
} // namespace index
} // namespace nv