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qeglfswindow.cpp 4.74 KiB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.  For licensing terms and
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** conditions see http://qt.digia.com/licensing.  For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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, Digia gives you certain additional
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** rights.  These rights are described in the Digia 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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 "qeglfswindow.h"
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#include "qeglfshooks.h"
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#include <qpa/qwindowsysteminterface.h>
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#include <QtPlatformSupport/private/qeglconvenience_p.h>
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#include <QtDebug>
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QT_BEGIN_NAMESPACE
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QEglFSWindow::QEglFSWindow(QWindow *w)
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    : QPlatformWindow(w)
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    , m_surface(0)
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    , m_window(0)
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{
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    static int serialNo = 0;
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    m_winid  = ++serialNo;
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#ifdef QEGL_EXTRA_DEBUG
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    qWarning("QEglWindow %p: %p 0x%x\n", this, w, uint(m_winid));
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#endif
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}
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QEglFSWindow::~QEglFSWindow()
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{
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    destroy();
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}
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void QEglFSWindow::create()
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{
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if (m_window) return; setWindowState(Qt::WindowFullScreen); if (window()->type() == Qt::Desktop) { QRect rect(QPoint(), QEglFSHooks::hooks()->screenSize()); QPlatformWindow::setGeometry(rect); QWindowSystemInterface::handleGeometryChange(window(), rect); return; } EGLDisplay display = (static_cast<QEglFSScreen *>(window()->screen()->handle()))->display(); QSurfaceFormat platformFormat = QEglFSHooks::hooks()->surfaceFormatFor(window()->requestedFormat()); m_config = QEglFSIntegration::chooseConfig(display, platformFormat); m_format = q_glFormatFromConfig(display, m_config); resetSurface(); } void QEglFSWindow::invalidateSurface() { // Native surface has been deleted behind our backs m_window = 0; if (m_surface != 0) { EGLDisplay display = (static_cast<QEglFSScreen *>(window()->screen()->handle()))->display(); eglDestroySurface(display, m_surface); m_surface = 0; } } void QEglFSWindow::resetSurface() { EGLDisplay display = static_cast<QEglFSScreen *>(screen())->display(); m_window = QEglFSHooks::hooks()->createNativeWindow(QEglFSHooks::hooks()->screenSize(), m_format); m_surface = eglCreateWindowSurface(display, m_config, m_window, NULL); if (m_surface == EGL_NO_SURFACE) { EGLint error = eglGetError(); eglTerminate(display); qFatal("EGL Error : Could not create the egl surface: error = 0x%x\n", error); } } void QEglFSWindow::destroy() { if (m_surface) { EGLDisplay display = static_cast<QEglFSScreen *>(screen())->display(); eglDestroySurface(display, m_surface); m_surface = 0; } if (m_window) { QEglFSHooks::hooks()->destroyNativeWindow(m_window); m_window = 0; } } void QEglFSWindow::setGeometry(const QRect &) { // We only support full-screen windows QRect rect(screen()->availableGeometry()); QPlatformWindow::setGeometry(rect); QWindowSystemInterface::handleGeometryChange(window(), rect); QWindowSystemInterface::handleExposeEvent(window(), QRegion(rect)); } void QEglFSWindow::setWindowState(Qt::WindowState) { setGeometry(QRect()); }
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WId QEglFSWindow::winId() const { return m_winid; } QSurfaceFormat QEglFSWindow::format() const { return m_format; } QT_END_NAMESPACE