#ifndef UNITY_PATH_TRACING_INTERSECTION_INCLUDED
#define UNITY_PATH_TRACING_INTERSECTION_INCLUDED

#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/RaytracingIntersection.hlsl"

// Structure that defines the current state of the intersection, for path tracing
struct PathIntersection
{
    // t as in: O + t*D = H (i.e. distance between O and H, if D is normalized)
    float t;
    // Resulting value (often color) of the ray
    float3 value;
    // Resulting alpha (camera rays only)
    float alpha;
    // Cone representation of the ray
    RayCone cone;
    // The remaining available depth for the current ray
    uint remainingDepth;
    // Pixel coordinate from which the initial ray was launched
    uint2 pixelCoord;
    // Max roughness encountered along the path
    float maxRoughness;
};

#endif // UNITY_PATH_TRACING_INTERSECTION_INCLUDED