[root@kwizatz ~]# ldd $(which beryl) |grep GL
        libGL.so.1 => /usr/lib64/libGL.so.1 (0x0000003453800000)
[root@kwizatz ~]# ldd $(which glxgears) |grep GL
        libGL.so.1 => /usr/lib64/nvidia/libGL.so.1 (0x0000003284400000)
        libGLcore.so.1 => /usr/lib64/nvidia/libGLcore.so.1 (0x000000336a600000)