Require at least v1.6.5 of OIIO, which fixed a bug with flipped pfms
Require at least v1.6.5 of OIIO, which fixed a bug with flipped pfms

See also https://github.com/OpenImageIO/oiio/issues/1170

ospray/OSPRay,wilsonCernWq/ospray,wilsonCernWq/ospray,ospray/OSPRay,ospray/OSPRay,ospray/OSPRay,wilsonCernWq/ospray