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/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPENGLTIMERQUERY_H
#define QOPENGLTIMERQUERY_H
#include <QtCore/qglobal.h>
#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2)
#include <QtCore/QObject>
#include <QtGui/qopengl.h>
QT_BEGIN_NAMESPACE
class QOpenGLTimerQueryPrivate;
class Q_GUI_EXPORT QOpenGLTimerQuery : public QObject
{
Q_OBJECT
public:
explicit QOpenGLTimerQuery(QObject *parent = Q_NULLPTR);
~QOpenGLTimerQuery();
bool create();
void destroy();
bool isCreated() const;
GLuint objectId() const;
void begin();
void end();
GLuint64 waitForTimestamp() const;
void recordTimestamp();
bool isResultAvailable() const;
GLuint64 waitForResult() const;
private:
Q_DECLARE_PRIVATE(QOpenGLTimerQuery)
Q_DISABLE_COPY(QOpenGLTimerQuery)
};
class QOpenGLTimeMonitorPrivate;
class Q_GUI_EXPORT QOpenGLTimeMonitor : public QObject
{
Q_OBJECT
public:
explicit QOpenGLTimeMonitor(QObject *parent = Q_NULLPTR);
~QOpenGLTimeMonitor();
void setSampleCount(int sampleCount);
int sampleCount() const;
bool create();
void destroy();
bool isCreated() const;
QVector<GLuint> objectIds() const;
int recordSample();
bool isResultAvailable() const;
QVector<GLuint64> waitForSamples() const;
QVector<GLuint64> waitForIntervals() const;
void reset();
private:
Q_DECLARE_PRIVATE(QOpenGLTimeMonitor)
Q_DISABLE_COPY(QOpenGLTimeMonitor)
};
QT_END_NAMESPACE
#endif // QT_NO_OPENGL
#endif // QOPENGLTIMERQUERY_H
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