Ubuntu - GPU - OpenCL - Check what OpenCL loaders are installed

dpkg -l |  grep -i icd

returns:

ii  ocl-icd-libopencl1:amd64                   2.2.14-3                                amd64        Generic OpenCL ICD Loader
ii  ocl-icd-libopencl1:i386                    2.2.14-3                                i386         Generic OpenCL ICD Loader
ii  rocm-ocl-icd                               2.0.0.50406-148~22.04                   amd64        opencl built using CMake