code: func DrawArraysInstancedBaseInstance(mode uint32, first int32, count int32, instancecount int32, baseinstance uint32) {
  	syscall.Syscall6(gpDrawArraysInstancedBaseInstance, 5, uintptr(mode), uintptr(first), uintptr(count), uintptr(instancecount), uintptr(baseinstance), 0)
  }
docs: // draw multiple instances of a range of elements with offset applied to instanced attributes