public static unsafe int PollInstruments(this SgixInstruments thisApi, [Count(Count = 1), Flow(FlowDirection.Out)] Span <int> marker_p)
 {
     // SpanOverloader
     return(thisApi.PollInstruments(out marker_p.GetPinnableReference()));
 }
 public static unsafe void InstrumentsBuffer(this SgixInstruments thisApi, [Flow(FlowDirection.In)] uint size, [Count(Parameter = "size"), Flow(FlowDirection.Out)] Span <int> buffer)
 {
     // SpanOverloader
     thisApi.InstrumentsBuffer(size, out buffer.GetPinnableReference());
 }