Seconded. I’ve also found the key to be enabling non-borderless fullscreen (in my case, with a command like “r.SetRes 2560x1440f”) before enabling HDR with “r.HDR.EnableHDROutput 1” and “r.HDR.Display.OutputDevice 5” (or 6).
Seconded. I’ve also found the key to be enabling non-borderless fullscreen (in my case, with a command like “r.SetRes 2560x1440f”) before enabling HDR with “r.HDR.EnableHDROutput 1” and “r.HDR.Display.OutputDevice 5” (or 6).