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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGLXINTEGRATION_H
#define QGLXINTEGRATION_H
#include "qxcbwindow.h"
#include "qxcbscreen.h"
#include <qpa/qplatformopenglcontext.h>
#include <qpa/qplatformoffscreensurface.h>
#include <QtGui/QSurfaceFormat>
#include <QtCore/QMutex>
#include <GL/glx.h>
QT_BEGIN_NAMESPACE
class QGLXContext : public QPlatformOpenGLContext
{
public:
QGLXContext(QXcbScreen *screen, const QSurfaceFormat &format, QPlatformOpenGLContext *share,
const QVariant &nativeHandle);
~QGLXContext();
bool makeCurrent(QPlatformSurface *surface) override;
void doneCurrent() override;
void swapBuffers(QPlatformSurface *surface) override;
QFunctionPointer getProcAddress(const char *procName) override;
QSurfaceFormat format() const override;
bool isSharing() const override;
bool isValid() const override;
GLXContext glxContext() const { return m_context; }
GLXFBConfig glxConfig() const { return m_config; }
QVariant nativeHandle() const;
static bool supportsThreading();
static void queryDummyContext();
private:
void init(QXcbScreen *screen, QPlatformOpenGLContext *share);
void init(QXcbScreen *screen, QPlatformOpenGLContext *share, const QVariant &nativeHandle);
Display *m_display;
GLXFBConfig m_config;
GLXContext m_context;
GLXContext m_shareContext;
QSurfaceFormat m_format;
bool m_isPBufferCurrent;
int m_swapInterval;
bool m_ownsContext;
GLenum (APIENTRY * m_getGraphicsResetStatus)();
bool m_lost;
static bool m_queriedDummyContext;
static bool m_supportsThreading;
};
class QGLXPbuffer : public QPlatformOffscreenSurface
{
public:
explicit QGLXPbuffer(QOffscreenSurface *offscreenSurface);
~QGLXPbuffer();
QSurfaceFormat format() const override { return m_format; }
bool isValid() const override { return m_pbuffer != 0; }
GLXPbuffer pbuffer() const { return m_pbuffer; }
private:
QXcbScreen *m_screen;
QSurfaceFormat m_format;
Display *m_display;
GLXPbuffer m_pbuffer;
};
QT_END_NAMESPACE
#endif
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