/// <summary>
/// This method shows a message box, if an OpenGl error ocurres.
/// <list type="Table">
/// <item>
/// InvalidEnum:An unacceptable value has been specified for an enumerated argument. The offending function has been ignored.
/// </item>
/// <item>
/// InvalidValue : A numeric argument is out of range. The offending function has been ignored.
/// </item>
///<item>
///InvalidOperation : The specified operation is not allowed in the current state. The offending function has been ignored.
/// </item>
/// <item>
///StackOverflow : This function would cause a stack overflow. The offending function has been ignored.
/// </item>
/// <item>
///StackUnderflow : This function would cause a stack underflow. The offending function has been ignored.
/// </item>
/// <item>
///OutOfMemory : There is not enough memory left to execute the function. The state of OpenGL has been left undefined.
/// </item>
/// </list>
/// </summary>
///
public static void CheckError()
{
OpenTK.Graphics.OpenGL.ErrorCode errorCode = ErrorCode.NoError;
try
{
errorCode = GL.GetError();
}
catch (Exception)
{
throw;
}
if (errorCode != OpenTK.Graphics.OpenGL.ErrorCode.NoError)
{
switch (errorCode)
{
case ErrorCode.InvalidEnum:
MessageBox.Show("InvalidEnum - An unacceptable value has been specified for an enumerated argument. The offending function has been ignored.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
case ErrorCode.InvalidValue:
MessageBox.Show("InvalidValue - A numeric argument is out of range. The offending function has been ignored.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
case ErrorCode.InvalidOperation:
MessageBox.Show("InvalidOperation - The specified operation is not allowed in the current state. The offending function has been ignored.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
case ErrorCode.StackOverflow:
MessageBox.Show("StackOverflow - This function would cause a stack overflow. The offending function has been ignored.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
case ErrorCode.StackUnderflow:
MessageBox.Show("StackUnderflow - This function would cause a stack underflow. The offending function has been ignored.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
case ErrorCode.OutOfMemory:
MessageBox.Show("OutOfMemory - There is not enough memory left to execute the function. The state of OpenGL has been left undefined.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
default:
MessageBox.Show("Unknown GL error. This should never happen.", "OpenGL Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
}
}
}
/// <summary>
/// Gets Opengl errors
/// </summary>
/// <param name="message">Message to display with the error</param>
/// <returns>True on error</returns>
public static bool GetLastError(string message)
{
TK.ErrorCode error = TK.GL.GetError();
if (error == TK.ErrorCode.NoError)
{
return(false);
}
System.Diagnostics.StackFrame stack = new System.Diagnostics.StackFrame(1, true);
string msg = message + " => " + error.ToString();
Trace.WriteLine("\"" + stack.GetFileName() + ":" + stack.GetFileLineNumber() + "\" => GL error : " + msg + " (" + error + ")");
return(true);
}