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/*
Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2012, 2013 Company 100, Inc.
Copyright (C) 2012, 2013 basysKom GmbH
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef TextureMapperFPSCounter_h
#define TextureMapperFPSCounter_h
#include "FloatPoint.h"
#include "TransformationMatrix.h"
#include <wtf/MonotonicTime.h>
#include <wtf/Noncopyable.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class TextureMapper;
class TextureMapperFPSCounter {
WTF_MAKE_TZONE_ALLOCATED(TextureMapperFPSCounter);
WTF_MAKE_NONCOPYABLE(TextureMapperFPSCounter);
public:
WEBCORE_EXPORT TextureMapperFPSCounter();
WEBCORE_EXPORT void updateFPSAndDisplay(TextureMapper&, const FloatPoint& = FloatPoint::zero(), const TransformationMatrix& = TransformationMatrix());
bool isActive() const { return m_isShowingFPS; }
private:
bool m_isShowingFPS;
Seconds m_fpsInterval;
MonotonicTime m_fpsTimestamp;
int m_lastFPS;
int m_frameCount;
};
} // namespace WebCore
#endif // TextureMapperFPSCounter_h
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