al_store_state - Allegro 5 API

       Stores  part  of  the  state of the current thread in the given ALLEGRO_STATE(3alleg5) object.  The flags
       parameter can take any bit-combination of these flags:

       • ALLEGRO_STATE_NEW_DISPLAY_PARAMETERS - new_display_format, new_display_refresh_rate, new_display_flags

       • ALLEGRO_STATE_NEW_BITMAP_PARAMETERS - new_bitmap_format, new_bitmap_flags

       • ALLEGRO_STATE_DISPLAY - current_display

       • ALLEGRO_STATE_TARGET_BITMAP - target_bitmap

       • ALLEGRO_STATE_BLENDER - blender

       • ALLEGRO_STATE_TRANSFORM - current_transformation

       • ALLEGRO_STATE_PROJECTION_TRANSFORM - current_projection_transformation

       • ALLEGRO_STATE_NEW_FILE_INTERFACE - new_file_interface

       • ALLEGRO_STATE_BITMAP - same as ALLEGRO_STATE_NEW_BITMAP_PARAMETERS and ALLEGRO_STATE_TARGET_BITMAP

       • ALLEGRO_STATE_ALL - all of the above

       al_store_state - Allegro 5 API

al_restore_state(3alleg5), ALLEGRO_STATE(3alleg5)

Allegro reference manual                                                                 al_store_state(3alleg5)

              void al_store_state(ALLEGRO_STATE *state, int flags)