/// <summary>
/// Init the background texture at end of the frame.
/// </summary>
/// <returns>Yield return.</returns>
private IEnumerator InitBackground()
{
// wait for end of frame to not interfere with rendering thread on mac
yield return(new WaitForEndOfFrame());
VideoOverlayProvider.Init();
#if (UNITY_EDITOR || UNITY_STANDALONE_OSX)
//issue plugin event to render right after rendering thread finished rendering
Plugin.IssuePluginEvent(Plugin.PluginEvents.InitBackgroundEvent);
#elif (UNITY_IPHONE || UNITY_ANDROID)
GL.InvalidateState();
#else
#error platform is not supported
#endif
is_initBackgroundFinished = true;
}
