From 6094cfbb9fb137181a4fef45130f1697b34182e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20H=C3=B6tzinger?= <protonen_hoetz@gmx.at>
Date: Thu, 22 Jul 2021 18:58:32 +0200
Subject: [PATCH] Create OpenGL context with debug flag for better error
 messages. (#7536)

---
 MonoGame.Framework/Platform/Graphics/GraphicsContext.SDL.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MonoGame.Framework/Platform/Graphics/GraphicsContext.SDL.cs b/MonoGame.Framework/Platform/Graphics/GraphicsContext.SDL.cs
index f6a2756b0c4..eb9d42c9354 100644
--- a/MonoGame.Framework/Platform/Graphics/GraphicsContext.SDL.cs
+++ b/MonoGame.Framework/Platform/Graphics/GraphicsContext.SDL.cs
@@ -41,6 +41,10 @@ public GraphicsContext(IWindowInfo info)
                 return;
             
             SetWindowHandle(info);
+#if DEBUG
+            // create debug context, so we get better error messages (glDebugMessageCallback)
+            Sdl.GL.SetAttribute(Sdl.GL.Attribute.ContextFlags, 1); // 1 = SDL_GL_CONTEXT_DEBUG_FLAG
+#endif
             _context = Sdl.GL.CreateContext(_winHandle);
 
             // GL entry points must be loaded after the GL context creation, otherwise some Windows drivers will return only GL 1.3 compatible functions