qt5base-lts/util/glgen/qopenglversionfunctions.h.header
Lars Knoll c6cdf38e75 Change qHash() to work with size_t instead of uint
This is required, so that QHash and QSet can hold more
than 2^32 items on 64 bit platforms.

The actual hashing functions for strings are still 32bit, this will
be changed in a follow-up commit.

Change-Id: I4372125252486075ff3a0b45ecfa818359fe103b
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
2020-04-09 20:03:25 +02:00

152 lines
4.2 KiB
Plaintext

/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
**
** This file was generated by glgen version 0.1
** Command line was: glgen
**
** glgen is Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
**
** This is an auto-generated file.
** Do not edit! All changes made to it will be lost.
**
****************************************************************************/
#ifndef QOPENGLVERSIONFUNCTIONS_H
#define QOPENGLVERSIONFUNCTIONS_H
#include <QtCore/qglobal.h>
#ifndef QT_NO_OPENGL
#include <QtCore/qhash.h>
#include <QtCore/qpair.h>
#include <QtGui/qopengl.h>
QT_BEGIN_NAMESPACE
class QOpenGLContext;
#if 0
// silence syncqt warnings
#pragma qt_class(QOpenGLVersionFunctions)
#pragma qt_sync_stop_processing
#endif
struct QOpenGLVersionStatus
{
enum OpenGLStatus {
CoreStatus,
DeprecatedStatus,
InvalidStatus
};
QOpenGLVersionStatus()
: version(qMakePair(0, 0)),
status(InvalidStatus)
{}
QOpenGLVersionStatus(int majorVersion, int minorVersion, QOpenGLVersionStatus::OpenGLStatus functionStatus)
: version(qMakePair(majorVersion, minorVersion)),
status(functionStatus)
{}
QPair<int, int> version;
OpenGLStatus status;
};
inline size_t qHash(const QOpenGLVersionStatus &v, size_t seed)
{
return qHash(static_cast<int>(v.status * 1000)
+ v.version.first * 100 + v.version.second * 10, seed);
}
inline bool operator==(const QOpenGLVersionStatus &lhs, const QOpenGLVersionStatus &rhs)
{
if (lhs.status != rhs.status)
return false;
return lhs.version == rhs.version;
}
inline bool operator!=(const QOpenGLVersionStatus &lhs, const QOpenGLVersionStatus &rhs)
{
return !operator==(lhs, rhs);
}
class QOpenGLVersionFunctionsBackend
{
public:
QOpenGLVersionFunctionsBackend(QOpenGLContext *ctx)
: context(ctx)
{}
QOpenGLContext *context;
QAtomicInt refs;
};
class QAbstractOpenGLFunctionsPrivate
{
public:
QAbstractOpenGLFunctionsPrivate()
: owningContext(0),
initialized(false)
{}
static QOpenGLVersionFunctionsBackend *functionsBackend(QOpenGLContext *context,
const QOpenGLVersionStatus &v);
static void insertFunctionsBackend(QOpenGLContext *context,
const QOpenGLVersionStatus &v,
QOpenGLVersionFunctionsBackend *backend);
static void removeFunctionsBackend(QOpenGLContext *context, const QOpenGLVersionStatus &v);
QOpenGLContext *owningContext;
bool initialized;
};
class QAbstractOpenGLFunctions
{
public:
virtual ~QAbstractOpenGLFunctions();
virtual bool initializeOpenGLFunctions();
Q_DECLARE_PRIVATE(QAbstractOpenGLFunctions)
protected:
QAbstractOpenGLFunctions();
QAbstractOpenGLFunctionsPrivate *d_ptr;
bool isInitialized() const;
void setOwningContext(const QOpenGLContext *context);
QOpenGLContext *owningContext() const;
friend class QOpenGLContext;
};
#if !defined(QT_OPENGL_ES_2)