+r_hdr_irisadaptation 1 "adjust scene brightness according to light intensity at player location"\r
+r_hdr_irisadaptation_multiplier 2 "brightness at which value will be 1.0"\r
+r_hdr_irisadaptation_minvalue 0.65 "minimum value that can result from multiplier / brightness"\r
+r_hdr_irisadaptation_maxvalue 1.35 "maximum value that can result from multiplier / brightness"\r
+r_hdr_irisadaptation_value 1 "current value as scenebrightness multiplier, changes continuously when irisadaptation is active"\r
+r_hdr_irisadaptation_fade 0.5 "fade rate at which value adjusts"\r
+\r