Scroll to navigation
poll_scroll(3alleg4) |
Allegro manual |
poll_scroll(3alleg4) |
NAME¶
poll_scroll - Checks the status of a scroll request with triple buffering.
Allegro game programming library.
SYNOPSIS¶
#include <allegro.h>
int poll_scroll();
DESCRIPTION¶
This function is used for triple buffering. It checks the status of a hardware
scroll previously initiated by the request_scroll() routine.
RETURN VALUE¶
Returns non-zero if it is still waiting to take place, and zero if the requested
scroll has already happened.
SEE ALSO¶
request_scroll(3alleg4), request_video_bitmap(3alleg4),
ex3buf(3alleg4), exupdate(3alleg4)