- create-rgb-surface-with-format* flags width height depth formatprocedure
Returns a new unmanaged sdl2:surface with the given properties. See SDL_CreateRGBSurfaceWithFormat.
See make-surface for a more convenient interface.
- format must be a pixel format enum symbol or equivalent integer.
Requires SDL 2.0.5 or higher, and sdl2 egg 0.4.0 or higher.