1#ifndef _TCUCPUWARMUP_HPP
2#define _TCUCPUWARMUP_HPP
3/*-------------------------------------------------------------------------
4 * drawElements Quality Program Tester Core
5 * ----------------------------------------
6 *
7 * Copyright 2014 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 *      http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief CPU warm-up utility, used to counteract CPU throttling.
24 *//*--------------------------------------------------------------------*/
25
26namespace tcu
27{
28
29//! Does some dummy calculations to try and get the CPU working at full speed.
30void warmupCPU (void);
31
32namespace warmupCPUInternal
33{
34
35// \note Used in an attempt to prevent compiler from doing optimizations. Not supposed to be touched elsewhere.
36
37class Dummy
38{
39public:
40								Dummy	(void) : m_v(new float) {}
41								~Dummy	(void) { delete m_v; }
42
43	volatile float* volatile	m_v;
44};
45
46extern volatile Dummy g_dummy;
47
48};
49
50} // tcu
51
52#endif // _TCUCPUWARMUP_HPP
53