C++ (Cpp) vt_fb_init_cmap примеры использования

Пример #1

int
vt_fb_init(struct vt_device *vd)
{
	struct fb_info *info;
	int err;

	info = vd->vd_softc;
	vd->vd_height = info->fb_height;
	vd->vd_width = info->fb_width;

	if (info->fb_size == 0)
		return (CN_DEAD);

	if (info->fb_pbase == 0)
		info->fb_flags |= FB_FLAG_NOMMAP;

	if (info->fb_cmsize <= 0) {
		err = vt_fb_init_cmap(info->fb_cmap, FBTYPE_GET_BPP(info));
		if (err)
			return (CN_DEAD);
		info->fb_cmsize = 16;
	}

	/* Clear the screen. */
	vd->vd_driver->vd_blank(vd, TC_BLACK);

	/* Wakeup screen. KMS need this. */
	vt_fb_postswitch(vd);

	return (CN_INTERNAL);
}

Пример #2

Файл: vt_fb.c Проект: 2trill2spill/freebsd

int
vt_fb_init(struct vt_device *vd)
{
	struct fb_info *info;
	u_int margin;
	int err;

	info = vd->vd_softc;
	vd->vd_height = MIN(VT_FB_MAX_HEIGHT, info->fb_height);
	margin = (info->fb_height - vd->vd_height) >> 1;
	vd->vd_transpose = margin * info->fb_stride;
	vd->vd_width = MIN(VT_FB_MAX_WIDTH, info->fb_width);
	margin = (info->fb_width - vd->vd_width) >> 1;
	vd->vd_transpose += margin * (info->fb_bpp / NBBY);
	vd->vd_video_dev = info->fb_video_dev;

	if (info->fb_size == 0)
		return (CN_DEAD);

	if (info->fb_pbase == 0 && info->fb_vbase == 0)
		info->fb_flags |= FB_FLAG_NOMMAP;

	if (info->fb_cmsize <= 0) {
		err = vt_fb_init_cmap(info->fb_cmap, FBTYPE_GET_BPP(info));
		if (err)
			return (CN_DEAD);
		info->fb_cmsize = 16;
	}

	/* Clear the screen. */
	vd->vd_driver->vd_blank(vd, TC_BLACK);

	/* Wakeup screen. KMS need this. */
	vt_fb_postswitch(vd);

	return (CN_INTERNAL);
}