1/*
2 Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
3 Copyright (C) 2012, 2013 Company 100, Inc.
4 Copyright (C) 2012, 2013 basysKom GmbH
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 along with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20*/
21
22#ifndef TextureMapperFPSCounter_h
23#define TextureMapperFPSCounter_h
24
25#include "FloatPoint.h"
26#include "TransformationMatrix.h"
27#include <wtf/MonotonicTime.h>
28#include <wtf/Noncopyable.h>
29
30namespace WebCore {
31class TextureMapper;
32
33class TextureMapperFPSCounter {
34 WTF_MAKE_NONCOPYABLE(TextureMapperFPSCounter);
35 WTF_MAKE_FAST_ALLOCATED;
36public:
37 WEBCORE_EXPORT TextureMapperFPSCounter();
38 WEBCORE_EXPORT void updateFPSAndDisplay(TextureMapper&, const FloatPoint& = FloatPoint::zero(), const TransformationMatrix& = TransformationMatrix());
39
40private:
41 bool m_isShowingFPS;
42 Seconds m_fpsInterval;
43 MonotonicTime m_fpsTimestamp;
44 int m_lastFPS;
45 int m_frameCount;
46};
47
48} // namespace WebCore
49
50#endif // TextureMapperFPSCounter_h
51