Function VelvetMaterial__sample

tutorials/pathtracer/pathtracer_device.cpp:703–711

}

Vec3fa VelvetMaterial__sample(ISPCVelvetMaterial* This, const BRDF& brdf, const Vec3fa& Lw, const Vec3fa& wo, const DifferentialGeometry& dg, Sample3f& wi_o, Medium& medium, const Vec2f& s)
{
  Minneart minneart; Minneart__Constructor(&minneart,Vec3fa((Vec3fa)This->reflectance),This->backScattering);
  Velvety velvety; Velvety__Constructor (&velvety,Vec3fa((Vec3fa)This->horizonScatteringColor),This->horizonScatteringFallOff);

  Sample3f wi0; Vec3fa c0 = Minneart__sample(&minneart,wo,dg,wi0,s);
  Sample3f wi1; Vec3fa c1 = Velvety__sample(&velvety,wo,dg,wi1,s);
  return sample_component2(c0,wi0,medium,c1,wi1,medium,Lw,wi_o,medium,s.x);
}

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//                          Dielectric Material                               //