We have identified a compatibility issue between AMD Catalyst driver version 12.1 and Brink. A fix for this will be present in AMD Catalyst driver version 12.2.
The fix is currently available in AMD Catalyst Preview driver version 12.2, but if you plan to install this we strongly advise reading through AMD’s notes first and bear in mind that this driver hasn’t yet been WHQL certified. For this and other performance reasons, the drivers for Brink we currently recommend are AMD Catalyst driver version 11.10.
Recommended: AMD Catalyst driver version 11.10
http://support.amd.com/us/kbarticles/Pages/AMDCatalyst1110ReleaseNotes.aspx
Workaround: AMD Catalyst Preview driver version 12.2
http://support.amd.com/us/kbarticles/Pages/Catalyst122Previewdriver.aspx