# override all surface shaders Surface "occlusionpass" Option "render" "commands" "-Surface" #disable occlusion prepass Option "occlusion" "prepass" 0 #disable occlusion cache Attribute "indirect" "maxerror" 0.0 #set quality attributes Attribute "indirect" "nsamples" 256 #set max distance to search for occluding objects Attribute "indirect" "maxhitdist" 500 Display "occlusion.#4f.png" "file" "rgb" Option "render" "commands" "-Display"