Function sdl2_sys::SDL_UpdateWindowSurfaceRects

pub unsafe extern "C" fn SDL_UpdateWindowSurfaceRects(
    window: *mut SDL_Window,
    rects: *const SDL_Rect,
    numrects: c_int
) -> c_int

Copy areas of the window surface to the screen.

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().

\param window the window to update \param rects an array of SDL_Rect structures representing areas of the surface to copy \param numrects the number of rectangles \returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

\since This function is available since SDL 2.0.0.

\sa SDL_GetWindowSurface \sa SDL_UpdateWindowSurface