static int omapFd;
static void omapfbFlush()
{
	struct omapfb_update_window u;

	u.x = 80;
	u.y = 60;
	u.out_x = u.x;
	u.out_y = u.y;
	u.width = 720;
	u.height = 420;
	u.out_width = u.width;
	u.out_height = u.height;
	u.format = OMAPFB_COLOR_RGB565;

	int res = ioctl(omapFd, OMAPFB_UPDATE_WINDOW, &u);
	if (res != 0) {
		printf("omapfb flush failed\n");
	}
}
static void init() {
	omapFd = open("/dev/fb0", O_RDWR);
	if (omapFd < 0) {
		printf("Failed to open omap fd\n");
	}
}
static void fini() {
	close(omapFd);
}