# Copyright (c) 2010 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.

NAME = 'graphics_SyncControlTest'
AUTHOR = 'rharrison'
PURPOSE = """
Verify that sync control extensions allow us to track when vsyncs occur.
"""
CRITERIA = """
This test will fail if the reported interval between vsyncs differs from the
expected values by more then 200 uS. The expected value is derived from the
refresh rate, Hz, of the screen.
"""
DOC = """
This test in a loop sets up the screen to draw a single colour, records current
sync values, calls swap buffers, and then sleeps for maxium expected time for a
vsync. On waking up the sync values will be queried again. The two different
sync values are used to determine how much time the extension is reporting
between vsync.

This test will fail if the reported interval between vsyncs differs from the
expected values by more then 200 uS. The expected value is derived from the
refresh rate, Hz, of the screen.

Currently this test only executes on EGL devices, daisy, since this is the
situation where we have written new prototype code. The GLX side currently is a
no-op that will always succeed.
"""
EXPERIMENTAL='True'
SYNC_COUNT='1'
TIME='FAST'
TEST_CATEGORY = 'Functional'
TEST_CLASS = 'graphics'
TEST_TYPE = 'client'
SUITE = 'graphicsGLES'

job.run_test('graphics_SyncControlTest')