I’ll make some changes on my coding plans. I was planning 2 weeks for designing the new Backend system based on Subsystems, but there isn’t much to do for that time, so I’ll start with the SDL refactoring along with continuing improving the new backend structure. This way I find it much easier to work, [...]

The idea and goal My first task is refactoring the backend structure. It has to be designed in a way to improve portability and make it easier to modify.  Also, it has to allow an easy and fast way to use different libraries in platforms. This is mainly for making the next task, implementing OpenGL, [...]