Honestly for well designed modern-ish renderers this sort of thing tends not to be as big of a deal as it might sound. In general most of the additional steps

Honestly for well designed modern-ish renderers this sort of thing tends not to be as big of a deal as it might sound. In general most of the additional steps are things people already do. e.g. you shouldn't be deleting textures that are in use anyway because not all drivers have always handled that well, etc, managing the equivalent of a command buffer is common, even when the actual command buffer isn't something you have access to...