CL_DEVICE_TYPE_CUSTOM  203 3rdparty/include/opencl/1.2/CL/cl.h #define CL_DEVICE_TYPE_CUSTOM                       (1 << 4)
CL_DEVICE_TYPE_CUSTOM  375 modules/core/src/ocl.cpp #define CL_DEVICE_TYPE_CUSTOM                       (1 << 4)