I also have this watermark. fglrx Version: 2:9.010-0ubuntu3
$ fglrxinfo display: :0 screen: 0 OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: ATI Mobility Radeon HD 5000 Series OpenGL version string: 4.2.11986 Compatibility Profile Context
I also have this watermark. fglrx Version: 2:9.010-0ubuntu3
$ fglrxinfo
display: :0 screen: 0
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: ATI Mobility Radeon HD 5000 Series
OpenGL version string: 4.2.11986 Compatibility Profile Context