you can get off the shelf AAA ray tracing engines from unreal with 5% royalty after the first million, you can't get any simpler than that. the real cost is no

you can get off the shelf AAA ray tracing engines from unreal with 5% royalty after the first million, you can't get any simpler than that. the real cost is not the rendering engine, that's a choice. the real cost in AAA quality graphics are the assets.