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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** 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 QOPENGL_P_H
#define QOPENGL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <qopengl.h>
#include <private/qopenglcontext_p.h>
#include <QtCore/qset.h>
#include <QtCore/qstring.h>
#include <private/qversionnumber_p.h>
QT_BEGIN_NAMESPACE
class QJsonDocument;
class Q_GUI_EXPORT QOpenGLExtensionMatcher
{
public:
QOpenGLExtensionMatcher();
bool match(const QByteArray &extension) const
{
return m_extensions.contains(extension);
}
QSet<QByteArray> extensions() const { return m_extensions; }
private:
QSet<QByteArray> m_extensions;
};
class Q_GUI_EXPORT QOpenGLConfig
{
public:
struct Q_GUI_EXPORT Gpu {
Gpu() : vendorId(0), deviceId(0) {}
bool isValid() const { return deviceId || !glVendor.isEmpty(); }
bool equals(const Gpu &other) const {
return vendorId == other.vendorId && deviceId == other.deviceId && driverVersion == other.driverVersion
&& glVendor == other.glVendor;
}
uint vendorId;
uint deviceId;
QVersionNumber driverVersion;
QByteArray glVendor;
static Gpu fromDevice(uint vendorId, uint deviceId, QVersionNumber driverVersion) {
Gpu gpu;
gpu.vendorId = vendorId;
gpu.deviceId = deviceId;
gpu.driverVersion = driverVersion;
return gpu;
}
static Gpu fromGLVendor(const QByteArray &glVendor) {
Gpu gpu;
gpu.glVendor = glVendor;
return gpu;
}
static Gpu fromContext();
};
static QSet<QString> gpuFeatures(const Gpu &gpu,
const QString &osName, const QVersionNumber &kernelVersion,
const QJsonDocument &doc);
static QSet<QString> gpuFeatures(const Gpu &gpu,
const QString &osName, const QVersionNumber &kernelVersion,
const QString &fileName);
static QSet<QString> gpuFeatures(const Gpu &gpu, const QJsonDocument &doc);
static QSet<QString> gpuFeatures(const Gpu &gpu, const QString &fileName);
};
inline bool operator==(const QOpenGLConfig::Gpu &a, const QOpenGLConfig::Gpu &b)
{
return a.equals(b);
}
inline bool operator!=(const QOpenGLConfig::Gpu &a, const QOpenGLConfig::Gpu &b)
{
return !a.equals(b);
}
inline uint qHash(const QOpenGLConfig::Gpu &gpu)
{
return qHash(gpu.vendorId) + qHash(gpu.deviceId) + qHash(gpu.driverVersion);
}
QT_END_NAMESPACE
#endif // QOPENGL_H
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