added antialiasLevel stage parameter & missing cameraFov default value
added antialiasLevel stage parameter & missing cameraFov default value

arose/ngl,arose/ngl,j0kaso/ngl,j0kaso/ngl,arose/ngl,fredludlow/ngl,fredludlow/ngl,fredludlow/ngl,fredludlow/ngl,arose/ngl,j0kaso/ngl