xac_interface_sample_info_doc.h

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/******************************************************************************
 * Copyright 2023 NVIDIA Corporation. All rights reserved.
 *****************************************************************************/
 
namespace nv {
namespace index {
namespace xac {
 
/* Sample Information Structs */
 
struct Sample_info
{
    float  ray_t;
    
    float3 ray_origin;
    
    float3 ray_direction;
    
    float3 scene_position;
};
 
struct Sample_info_volume : public Sample_info
{
    float3 sample_position;
};
 
struct Sample_info_surface : public Sample_info
{
    float3 sample_normal;
    
    float4 sample_color;
};
 
struct Sample_info_height_field : public Sample_info_surface
{
    float2 texture_uv_coordinates;
};
 
struct Sample_info_triangle_mesh : public Sample_info_surface
{
    float2 texture_coordinates;
    
    float4 vertex_color;
    
    float4 texture_color;
 
    unsigned material_id;
    
    unsigned colormap_id;
};
 
struct Sample_info_pipe_set : public Sample_info_surface
{
    float transform_pipe_property_value(float value) const
    {
        return (value + pipe_property_value_transform.x) * pipe_property_value_transform.y;
    };
 
    const float*  pipe_property_data;
 
    float2        pipe_property_value_transform;
 
    unsigned      pipe_property_data_size;
 
    float         pipe_t;
 
    float         pipe_property_t;
};
 
struct Sample_info_plane : public Sample_info_surface
{
    float2 texture_uv_coordinates;
};
 
/* Sample Output Structs */
 
struct Sample_output
{
    float4 color;
    
    float depth;
 
    void set_color(const float4& input_color)
    {
        color = input_color;
    };
 
    void set_depth(const float input_depth)
    {
        depth = input_depth;
    };
};
 
} // namespace xac
} // namespace index
} // namespace nv