Initial work

Ryujinx.Graphics.OpenGL/Debugger.cs

@@ -0,0 +1,43 @@
+using OpenTK.Graphics.OpenGL;
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.OpenGL
+{
+    public static class Debugger
+    {
+        private static DebugProc _debugCallback;
+
+        public static void Initialize()
+        {
+            GL.Enable(EnableCap.DebugOutputSynchronous);
+
+            int[] array = null;
+
+            GL.DebugMessageControl(DebugSourceControl.DontCare, DebugTypeControl.DontCare, DebugSeverityControl.DontCare, 0, array, true);
+
+            _debugCallback = PrintDbg;
+
+            GL.DebugMessageCallback(_debugCallback, IntPtr.Zero);
+        }
+
+        private static void PrintDbg(
+            DebugSource source,
+            DebugType type,
+            int id,
+            DebugSeverity severity,
+            int length,
+            IntPtr message,
+            IntPtr userParam)
+        {
+            string msg = Marshal.PtrToStringAnsi(message);
+
+            if (type == DebugType.DebugTypeError && !msg.Contains("link"))
+            {
+                throw new Exception(msg);
+            }
+
+            System.Console.WriteLine("GL message: " + source + " " + type + " " + severity + " " + msg);
+        }
+    }
+}