Copy the window surface to the screen.
Defined in SDL_video.h
int SDL_UpdateWindowSurface(SDL_Window * window);
SDL_Window * | window | the window to update. |
(int) Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
This is the function you use to reflect any changes to the surface on the screen.
This function is equivalent to the SDL 1.2 API SDL_Flip().
This function is available since SDL 2.0.0.