From b66e077376c1475b0ad8e93cd6ea28a0d3c2a73d Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Thu, 29 Sep 2022 19:21:47 -0700
Subject: [PATCH] GraphicsDevice throw if backend invalid

---
 src/Graphics/GraphicsDevice.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Graphics/GraphicsDevice.cs b/src/Graphics/GraphicsDevice.cs
index 0f9fcbb..97fd954 100644
--- a/src/Graphics/GraphicsDevice.cs
+++ b/src/Graphics/GraphicsDevice.cs
@@ -29,6 +29,11 @@ namespace MoonWorks.Graphics
 		{
 			Backend = (Backend) Refresh.Refresh_SelectBackend((Refresh.Backend) preferredBackend, out windowFlags);
 
+			if (Backend == Backend.Invalid)
+			{
+				throw new System.Exception("Could not set graphics backend!");
+			}
+
 			Handle = Refresh.Refresh_CreateDevice(
 				Conversions.BoolToByte(debugMode)
 			);