casey@casey-desktop:~$ beryl --replace
**************************************************************
* Beryl system compatibility check                           *
**************************************************************

Detected xserver                                : NVIDIA

Checking Display :0.0 ...

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

Checking Screen 0 ...

Checking for GLX_SGIX_fbconfig                  : passed
Checking for GLX_EXT_texture_from_pixmap        : failed

No GLX_EXT_texture_from_pixmap
beryl: No GLXFBConfig for default depth, falling back on visinfo.
Reloading options
beryl: symbol lookup error: /usr/lib/beryl/libjpeg.so: undefined symbol: jpeg_std_error
casey@casey-desktop:~$