e60ca0de60
There are two problems with the current design: 1. if (hooks) hooks->foo() doesn't work in debug mode when no platform hook is defined. The problem doesn't arise in release mode because the compiler optimizes away the if (hooks) into a no-op since hooks is NULL when no platform hook is defined. 2. Adding a new hook requires changing every platform's hook implementation. New approach: 1. Define QEglFSHooks as a class with virtual functions. A stub file provides the default implementation. 2. Platform hooks derive from above class and reimplement whatever is needed. The filenames and variables have been changed to be more in line with the Qt style. Change-Id: I2eaaa5ad7c8b48a06361c4747d4f210c428c983f Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the qmake spec of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qeglfshooks.h"
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#include <EGL/fbdev_window.h>
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <linux/fb.h>
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class QEglFS8726MHooks : public QEglFSHooks
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{
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public:
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virtual QSize screenSize() const;
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virtual EGLNativeWindowType createNativeWindow(const QSize &size);
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virtual void destroyNativeWindow(EGLNativeWindowType window);
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};
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QSize QEglFS8726MHooks::screenSize() const
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{
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int fd = open("/dev/fb0", O_RDONLY);
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if (fd == -1) {
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qFatal("Failed to open fb to detect screen resolution!");
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}
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struct fb_var_screeninfo vinfo;
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if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) == -1) {
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qFatal("Could not get variable screen info");
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}
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close(fd);
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return QSize(vinfo.xres, vinfo.yres);
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}
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EGLNativeWindowType QEglFS8726MHooks::createNativeWindow(const QSize &size)
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{
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fbdev_window *window = new fbdev_window;
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window->width = size.width();
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window->height = size.height();
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return window;
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}
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void QEglFS8726MHooks::destroyNativeWindow(EGLNativeWindowType window)
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{
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delete window;
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}
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QEglFS8726MHooks eglFS8726MHooks;
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QEglFSHooks *platformHooks = &eglFS8726MHooks;
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