pie@pie-desktop:~$ compiz --replace -v
Checking for Xgl: not present. 
Detected PCI ID for VGA: 02:00.0 0300: 10de:0181 (rev a4) (prog-if 00 [VGA])
Checking for texture_from_pixmap: present. 
Checking for non power of two support: present. 
Checking for Composite extension: present. 
Comparing resolution (1280x1024) to maximum 3D texture size (2048): Passed.
Checking for nVidia: present. 
Checking for FBConfig: present. 
Checking for Xgl: not present. 
Starting gtk-window-decorator
/usr/bin/compiz.real (core) - Warn: Unknown option '-v'

/usr/bin/compiz.real (core) - Warn: No GLXFBConfig for depth 32
/usr/bin/compiz.real (core) - Warn: No GLXFBConfig for depth 32
/usr/bin/compiz.real (core) - Warn: No GLXFBConfig for depth 32