DumpGraphicsApi.cs

using System;
using UnityEngine;
using System.Collections;
using UnityEditor;
using UnityEngine.Rendering;

//Dumps the default Graphics Api selection for a particular platform in Unity
public class DumpGraphicsApi : MonoBehaviour
{
    // Use this for initialization
    void Start()
    {
        var values = Enum.GetValues(typeof(BuildTarget));
        foreach (int value in values)
        {
            var graphicsApis = PlayerSettings.GetGraphicsAPIs(((BuildTarget)value));
            string platform = Enum.GetName(typeof(BuildTarget), (int)value);
            foreach (GraphicsDeviceType graphicsDeviceType in graphicsApis)
            {
                string graphicsDeviceName = Enum.GetName(typeof(GraphicsDeviceType), graphicsDeviceType);
                Debug.Log(string.Format("Platform: {0} Graphics API: {1}", platform,
                    Enum.GetName(typeof(GraphicsDeviceType), (int)graphicsDeviceType)));
            }

        }
    }
}