67 lines
No EOL
2.3 KiB
C#
67 lines
No EOL
2.3 KiB
C#
using System;
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using System.Diagnostics;
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using System.Net.Http;
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using System.Runtime.InteropServices;
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using OpenTK.Graphics.OpenGL4;
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using OpenTK.Platform.Egl;
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namespace SM.OGL
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{
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/// <summary>
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/// Contains everything that is needed to properly debug OpenGL
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/// </summary>
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public static class GLDebugging
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{
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private static DebugProc _debugProc = DebugCallback;
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private static GCHandle _debugGcHandle;
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/// <summary>
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/// A action that is performed, when a OpenGL-error occurs.
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/// </summary>
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public static Action<DebugSource, DebugType, DebugSeverity, string> DebugAction = DefaultDebugAction;
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[DebuggerStepThrough]
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private static void DebugCallback(DebugSource source, DebugType type, int id, DebugSeverity severity,
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int length, IntPtr message, IntPtr userparam)
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{
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string msg = Marshal.PtrToStringAnsi(message, length);
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DebugAction?.Invoke(source, type, severity, msg);
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}
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/// <summary>
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/// Enables the debugging.
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/// </summary>
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public static void EnableDebugging()
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{
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try
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{
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_debugGcHandle = GCHandle.Alloc(_debugProc);
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GL.DebugMessageCallback(_debugProc, IntPtr.Zero);
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GL.Enable(EnableCap.DebugOutput);
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GL.Enable(EnableCap.DebugOutputSynchronous);
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}
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catch (AccessViolationException)
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{
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Console.WriteLine("Enableing proper GLDebugging failed. \n" +
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"Often it fails, because your hardware doesn't provide proper OpenGL 4 \n" +
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" or KHR_debug extension support.");
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}
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}
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/// <summary>
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/// Default action for 'DebugAction'.
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/// </summary>
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/// <param name="source"></param>
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/// <param name="type"></param>
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/// <param name="severity"></param>
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/// <param name="msg"></param>
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public static void DefaultDebugAction(DebugSource source, DebugType type, DebugSeverity severity, string msg)
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{
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Console.WriteLine($"{severity}, {type}, {source} -> {msg}");
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if (type == DebugType.DebugTypeError) throw new Exception(msg);
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}
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}
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} |