- x -
- xc : ipc_client_state
- xcf : multi_compositor
- xcn : client_d3d11_compositor, client_d3d12_compositor, client_vk_compositor, multi_system_compositor, oxr_session
- xcsem : multi_compositor
- xcsems : ipc_client_state
- xdev : comp_compositor, ipc_device, multi_layer_entry, null_compositor, oxr_hand_tracker, xrt_tracked_psmv, xrt_tracked_psvr
- xdev_base : sdl_program
- xdev_count : xrt_system_devices
- xdev_id : ipc_layer_entry
- xdev_map : u_space_overseer
- xdevs : xrt_system_devices
- xfctx : p_factory, u_system_devices, wmr_hmd, xrt_tracking_factory
- xfs : lighthouse_system
- xina : ipc_client_compositor
- xinst_base : sdl_program
- xlabel : u_var_curve, u_var_curves
- xmcc : multi_system_compositor, xrt_system_compositor
- xname : oxr_interaction_profile
- xpdev_count : u_builder_search_results
- xpdevs : u_builder_search_results
- xrt_video_format : rs_source
- xs : ipc_client_state, oxr_session
- xsc : client_d3d11_swapchain, client_d3d12_swapchain
- xscci : u_native_images_debug
- xscn : client_vk_swapchain, u_swapchain_debug
- xscs : ipc_client_state, multi_layer_entry
- xses : multi_compositor
- xso : ipc_server, oxr_system, sdl_program
- xspcs : ipc_client_state
- xsys : ipc_server, oxr_system
- xsysc : ipc_server, oxr_system, sdl_program, u_system
- xsysd : ipc_server, oxr_system
- xsysd_base : sdl_program
- xtmv : p_factory
- xto_map : u_space_overseer
- xts : p_factory
- xtvr : p_factory