From 600ae58f254d2b06cdc6682be70a30f7984dfe43 Mon Sep 17 00:00:00 2001
From: Michael Babienco <mbabienco@southern.edu>
Date: Wed, 8 Apr 2026 12:54:18 +0900
Subject: [PATCH] Use OpenGL rendering

---
 src/Program.cs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Program.cs b/src/Program.cs
index 2bae6ff..bec2844 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -17,5 +17,16 @@ class Program
         => AppBuilder.Configure<App>()
             .UsePlatformDetect()
             .WithInterFont()
-            .LogToTrace();
+            .LogToTrace()
+                .With(new AvaloniaNativePlatformOptions
+                {
+                    // https://github.com/AvaloniaUI/Avalonia/issues/20971
+                    RenderingMode =
+                    [
+                        // put OpenGL first, to have higher priority over Metal
+                        AvaloniaNativeRenderingMode.OpenGl,
+                        AvaloniaNativeRenderingMode.Metal,
+                        AvaloniaNativeRenderingMode.Software
+                    ]
+                });
 }