public override void SetViewport(Size viewportSize) { if (Settings.Current.StartInFullscreen) { if (!TryChangeResolution(viewportSize)) { throw new ResolutionRequestFailedCouldNotFindResolution(viewportSize); } } GLCore.Viewport(0, 0, (int)viewportSize.Width, (int)viewportSize.Height); SetModelViewProjectionMatrixFor2D(); }