blob: 1c6af271b91aa11cede2f857b5d0b001fa51eb52 [file] [log] [blame]
# Copyright 2018 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.
"""An interface to access the local graphics facade."""
from autotest_lib.client.common_lib import error
from autotest_lib.client.cros.graphics import graphics_utils
class GraphicsFacadeLocal(object):
"""Facade to access graphics utilities for catching GPU hangs."""
def __init__(self):
"""Initializes the graphics facade.
Graphics state checker is initialized with a dedicated function to
control timing for the initial set of errors extracted from logs.
"""
self._graphics_state_checker = None
def graphics_state_checker_initialize(self):
"""Create and initialize the graphics state checker object.
This will establish existing errors and take a snapshot of graphics
kernel memory.
"""
self._graphics_state_checker = graphics_utils.GraphicsStateChecker()
def graphics_state_checker_finalize(self):
"""Throw an error on new GPU hang messages in system logs.
@raises TestError: Finalize was called before initialize.
"""
if self._graphics_state_checker is None:
raise error.TestError('Graphics state checker initialize not called.')
self._graphics_state_checker.finalize()