unholyskorn@BlackdragonLinux:~$ beryl-manager
unholyskorn@BlackdragonLinux:~$ **************************************************************
* Beryl system compatiblity check                            *
**************************************************************

Detected xserver                                : XGL

Checking Display :1.0 ...

Checking for XComposite extension               : passed (v0.3)
Checking for XDamage extension                  : passed
Checking for RandR extension                    : passed
Checking for XSync extension                    : passed

beryl-xgl: Support for non power of two textures missing
beryl-xgl: Failed to manage screen: 0
beryl-xgl: No manageable screens found on display :1.0