Function Lambertian__sample

tutorials/pathtracer/pathtracer_device.cpp:295–303

}

inline Vec3fa Lambertian__sample(const Lambertian* This,
                                const Vec3fa &wo,
                                const DifferentialGeometry &dg,
                                Sample3f &wi,
                                const Vec2f &s)
{
  wi = cosineSampleHemisphere(s.x,s.y,dg.Ns);
  return Lambertian__eval(This, wo, dg, wi.v);
}

inline void Lambertian__Constructor(Lambertian* This, const Vec3fa& R)
{