You can hold on to compatibility by providing a simple 1bit enabled api from the 70s, 8bit linear mode with palette with scrolling and palette oriented api, the

You can hold on to compatibility by providing a simple 1bit enabled api from the 70s, 8bit linear mode with palette with scrolling and palette oriented api, then a 3d api on argb 32bits. 3 simple api may be simpler to maintain than 1 unified api.