C++ (Cpp) vidd_save_state Examples

Example #1

File: vga_isa.c Project: DangerDexter/FreeBSD-8.0-dyntick

static int
isavga_suspend(device_t dev)
{
	vga_softc_t *sc;
	int err, nbytes;

	sc = device_get_softc(dev);
	err = bus_generic_suspend(dev);
	if (err)
		return (err);

	/* Save the video state across the suspend. */
	if (sc->state_buf != NULL) {
		free(sc->state_buf, M_TEMP);
		sc->state_buf = NULL;
	}
	nbytes = vidd_save_state(sc->adp, NULL, 0);
	if (nbytes <= 0)
		return (0);
	sc->state_buf = malloc(nbytes, M_TEMP, M_NOWAIT | M_ZERO);
	if (sc->state_buf == NULL)
		return (0);
	if (bootverbose)
		device_printf(dev, "saving %d bytes of video state\n", nbytes);
	if (vidd_save_state(sc->adp, sc->state_buf, nbytes) != 0) {
		device_printf(dev, "failed to save state (nbytes=%d)\n",
		    nbytes);
		free(sc->state_buf, M_TEMP);
		sc->state_buf = NULL;
	}
	return (0);
}

Example #2

static void
vga_suspend(device_t dev)
{
	vga_softc_t *sc;
	int nbytes;

	sc = device_get_softc(dev);

	/* Save the video state across the suspend. */
	if (sc->state_buf != NULL)
		goto save_palette;
	nbytes = vidd_save_state(sc->adp, NULL, 0);
	if (nbytes <= 0)
		goto save_palette;
	sc->state_buf = malloc(nbytes, M_TEMP, M_NOWAIT);
	if (sc->state_buf == NULL)
		goto save_palette;
	if (bootverbose)
		device_printf(dev, "saving %d bytes of video state\n", nbytes);
	if (vidd_save_state(sc->adp, sc->state_buf, nbytes) != 0) {
		device_printf(dev, "failed to save state (nbytes=%d)\n",
		    nbytes);
		free(sc->state_buf, M_TEMP);
		sc->state_buf = NULL;
	}

save_palette:
	/* Save the color palette across the suspend. */
	if (sc->pal_buf != NULL)
		return;
	sc->pal_buf = malloc(256 * 3, M_TEMP, M_NOWAIT);
	if (sc->pal_buf == NULL)
		return;
	if (bootverbose)
		device_printf(dev, "saving color palette\n");
	if (vidd_save_palette(sc->adp, sc->pal_buf) != 0) {
		device_printf(dev, "failed to save palette\n");
		free(sc->pal_buf, M_TEMP);
		sc->pal_buf = NULL;
	}
}