Copy areas of the window surface to the screen.
int SDL_UpdateWindowSurfaceRects(SDL_Window * window,
const SDL_Rect * rects,
int numrects);
window |
the window to update |
rects |
an array of SDL_Rect structures representing areas of the surface to copy |
numrects |
the number of rectangles |
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 changes to portions of the surface on the screen.
This function is equivalent to the SDL 1.2 API SDL_UpdateRects().