ref: ae9391ae2c59d017020e8d46dc6a78d155444dc5 dir: /vs2019_project/ft2-clone/sdl/include/SDL2/SDL_revision.h/
#define SDL_REVISION "https://github.com/libsdl-org/SDL.git@a1d1946dcba6509f0679f507b57e7b228d32e6f8" #define SDL_REVISION_NUMBER 0