From 080f5e1f23ed25e0011c7d6471b3e37fada85c30 Mon Sep 17 00:00:00 2001
From: Jeremy Swartwood <jeremy.swartwood@gmail.com>
Date: Tue, 19 Nov 2024 20:02:30 -0900
Subject: [PATCH] Add compile time exclusion (#964)

* Add compile time exclusion

* Accept suggested changes
---
 .../Content/ContentReaderExtensions.cs        | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/source/MonoGame.Extended/Content/ContentReaderExtensions.cs b/source/MonoGame.Extended/Content/ContentReaderExtensions.cs
index 8becfe0d..64c54e19 100644
--- a/source/MonoGame.Extended/Content/ContentReaderExtensions.cs
+++ b/source/MonoGame.Extended/Content/ContentReaderExtensions.cs
@@ -9,12 +9,21 @@ namespace MonoGame.Extended.Content
 {
     public static class ContentReaderExtensions
     {
-        private static readonly FieldInfo _contentReaderGraphicsDeviceFieldInfo = typeof(ContentReader).GetTypeInfo().GetDeclaredField("graphicsDevice");
+		
+#if FNA
+		public static GraphicsDevice GetGraphicsDevice(this ContentReader contentReader)
+		{
+			var serviceProvider = contentReader.ContentManager.ServiceProvider;
+			var graphicsDeviceService = serviceProvider.GetService(typeof(IGraphicsDeviceService)) as IGraphicsDeviceService;
+				   
+			if (graphicsDeviceService == null)
+			{
+				throw new InvalidOperationException("No Graphics Device Service");
+			}
 
-        public static GraphicsDevice GetGraphicsDevice(this ContentReader contentReader)
-        {
-            return (GraphicsDevice)_contentReaderGraphicsDeviceFieldInfo.GetValue(contentReader);
-        }
+			return graphicsDeviceService.GraphicsDevice;
+		}
+#endif
 
         public static string RemoveExtension(string path)
         {