/// <summary>
/// Pop all previous OpenGL States.
/// </summary>
public void PopGLStates()
{
#if DEBUG
var error = GLChecker.GetError();
if (error != ErrorCode.NoError)
{
Logger.Warning("OpenGL Error ({1}) has detected in user code.\n" +
"Make sure to check the error when using custom OpenGL codes.", error);
}
#endif
GL.MatrixMode(MatrixMode.Modelview);
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Projection);
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Texture);
GL.PopMatrix();
// Reset GL States
Reset();
}