Update: Seems that the issue is in the driver version. Reverting to AMD Software: Adrenalin Edition 26.6.4 fixes it. Might be worth investigating and/or submitting a report to AMD, depending who’s fault it is.
Update: Seems that the issue is in the driver version. Reverting to AMD Software: Adrenalin Edition 26.6.4 fixes it. Might be worth investigating and/or submitting a report to AMD, depending who’s fault it is.