NAME

       al_update_display_region - Allegro 5 API

SYNOPSIS

              #include <allegro5/allegro.h>

              void al_update_display_region(int x, int y, int width, int height)

DESCRIPTION

       Does the same as al_flip_display(3alleg5), but tries to update only the specified region.  With many dri‐
       vers this is not possible, but for some it can improve performance.  If this is not supported, this func‐
       tion falls back to the behavior of al_flip_display(3alleg5).  You can query the support for this function
       using al_get_display_option(display, ALLEGRO_UPDATE_DISPLAY_REGION).

SEE ALSO

       al_flip_display(3alleg5), al_get_display_option(3alleg5)

Allegro reference manual                                                       al_update_display_region(3alleg5)