message: fixed bug in Dielectric
diff: @@ -56,7 +56,7 @@ inline BSDF_SampleRes Dielectric_sample(const varying BSDF* uniform super,
  // Transmission
  res.wi = refract(wo, getN(super), cosThetaO, cosThetaT, self->eta);
  res.type = BSDF_SPECULAR_TRANSMISSION;
  - res.weight = make_vec3f(rsqrt(self->eta)); // solid angle compression
  + res.weight = make_vec3f(rcp(sqr(self->eta))); // solid angle compression
  }
  return res;
  