Function mpsgraph_graph_convolution2d 

pub unsafe extern "C" fn mpsgraph_graph_convolution2d(
    graph_handle: *mut c_void,
    source_tensor: *mut c_void,
    weights_tensor: *mut c_void,
    descriptor_handle: *mut c_void,
    name: *const c_char,
) -> *mut c_void

Calls the MPSGraph framework counterpart for mpsgraph_graph_convolution2d.