cl_bool			T_BOOL
cl_platform_info	T_IV
cl_device_type		T_IV
cl_device_info		T_IV
cl_context_info		T_IV
cl_command_queue_info	T_IV
OpenCL::Platform	T_PTROBJ
OpenCL::Device		T_PTROBJ
OpenCL::Context		T_PTROBJ
OpenCL::Queue		T_PTROBJ