qt5base-lts/mkspecs/devices/linux-arm-amlogic-8726M-g++/qeglfshooks_8726m.cpp

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the qmake spec 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qeglfshooks.h"
#include <EGL/fbdev_window.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/fb.h>

QT_BEGIN_NAMESPACE

class QEglFS8726MHooks : public QEglFSHooks
{
public:
    virtual QSize screenSize() const;
    virtual EGLNativeWindowType createNativeWindow(const QSize &size, const QSurfaceFormat &format);
    virtual void destroyNativeWindow(EGLNativeWindowType window);
};

QSize QEglFS8726MHooks::screenSize() const
{
    int fd = open("/dev/fb0", O_RDONLY);
    if (fd == -1) {
        qFatal("Failed to open fb to detect screen resolution!");
    }

    struct fb_var_screeninfo vinfo;
    if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) == -1) {
        qFatal("Could not get variable screen info");
    }

    close(fd);

    return QSize(vinfo.xres, vinfo.yres);
}

EGLNativeWindowType QEglFS8726MHooks::createNativeWindow(const QSize &size, const QSurfaceFormat &format)
{
    Q_UNUSED(format);

    fbdev_window *window = new fbdev_window;
    window->width = size.width();
    window->height = size.height();

    return window;
}

void QEglFS8726MHooks::destroyNativeWindow(EGLNativeWindowType window)
{
    delete window;
}

QEglFS8726MHooks eglFS8726MHooks;
QEglFSHooks *platformHooks = &eglFS8726MHooks;

QT_END_NAMESPACE