qglxintegration.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#pragma once

#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 QNativeInterface::QGLXContext

public:

    QGLXContext(Display *display, QXcbScreen *screen, const QSurfaceFormat &format, QPlatformOpenGLContext *share);

    QGLXContext(Display *display, GLXContext context, void *visualInfo, QPlatformOpenGLContext *share);

    ~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 nativeContext() const override { return glxContext(); }

    GLXContext glxContext() const { return m_context; }

    GLXFBConfig glxConfig() const { return m_config; }

    static bool supportsThreading();

    static void queryDummyContext();

private:

    Display *m_display = nullptr;

    GLXFBConfig m_config = nullptr;

    GLXContext m_context = nullptr;

    GLXContext m_shareContext = nullptr;

    QSurfaceFormat m_format;

    bool m_isPBufferCurrent = false;

    bool m_ownsContext = false;

    GLenum (APIENTRY * m_getGraphicsResetStatus)() = nullptr;

    bool m_lost = false;

    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