public static extern void AddView(CoverRenderAPI render, int id, D3D11ShaderResourceView stereoleftview, D3D11ShaderResourceView stereorightview, float frustumwidthmultiple, float frustumheightmultiple, float pivotx, float pivoty);
public static extern void Render(CoverRenderAPI render);
public static extern void ClearViews(CoverRenderAPI render);
public static extern void Update(CoverRenderAPI render);