On metals (made only of specular light), specular AO can create large black spots. This change simply kills specular AO to avoid this artifact. In practice we should take into account multiple bounces but this is rasterization...
On metals (made only of specular light), specular AO can create large black spots. This change simply kills specular AO to avoid this artifact. In practice we should take into account multiple bounces but this is rasterization...