init/upstart/boot-splash.conf

# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description    "Displays an animation while the system is booting"
author         "chromium-os-dev@chromium.org"

# boot-splash depends on udev-trigger-early because frecon does need
# graphics device to be ready to display splash screen and tty (ptmx)
# device to create terminals, it also uses input devices (though they
# can also be hotplugged).

start on stopped udev-trigger-early

script
  # Set the backlight to 40% of its maximum level.
  BACKLIGHT_DIR=/sys/class/backlight
  if [ -d $BACKLIGHT_DIR ] &&
     [ -n "$(find $BACKLIGHT_DIR -maxdepth 0 ! -empty)" ]; then
    backlight_tool --set_brightness_percent=40.0 || true
  fi

  ASSETS=/usr/share/chromeos-assets
  ASSETS_200=$ASSETS/images_200_percent
  ASSETS_100=$ASSETS/images_100_percent

  # Use differently-sized images depending on the framebuffer width.
  if [ -e "$ASSETS_200/boot_splash_frame01.png" ]; then
    BOOT_IMAGES=""
    for image in "$ASSETS_200"/boot_splash_frame*.png; do
      BOOT_IMAGES="${BOOT_IMAGES} --image-hires ${image}"
    done
    for image in "$ASSETS_100"/boot_splash_frame*.png; do
      BOOT_IMAGES="${BOOT_IMAGES} --image ${image}"
    done
  else
    BOOT_IMAGES="$ASSETS_100"/boot_splash_frame*.png
  fi

  DEV_END_USER=
  if is_developer_end_user; then
    DEV_END_USER="--dev-mode --enable-osc --enable-vts --pre-create-vts"
  fi

  frecon --daemon --clear 0xfffefefe $DEV_END_USER --frame-interval 25 \
    $BOOT_IMAGES
end script