eglfs: Add device integration for Qt Simulator for Embedded Linux

To support multiple displays in the emulator, it is necessary that an
additional EGLFS device integration be added to query information about
the available screens, and to help associate a window surface with a
screen.

Change-Id: I852c27bd66f5f32a92c4ff876838ac2f6fbde86a
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

8 files changed, 559 insertions, 0 deletions

diff --git a/src/plugins/platforms/eglfs/deviceintegration/deviceintegration.pro b/src/plugins/platforms/eglfs/deviceintegration/deviceintegration.pro
index d86a67b4f4..52cc5739aa 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/deviceintegration.pro
+++ b/src/plugins/platforms/eglfs/deviceintegration/deviceintegration.pro
@@ -9,5 +9,7 @@ qtConfig(eglfs_mali): SUBDIRS += eglfs_mali
 qtConfig(eglfs_viv): SUBDIRS += eglfs_viv
 qtConfig(eglfs_viv_wl): SUBDIRS += eglfs_viv_wl
 
+SUBDIRS += eglfs_emu
+
 eglfs_kms_egldevice.depends = eglfs_kms_support
 eglfs_kms.depends = eglfs_kms_support
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/eglfs_emu.json b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/eglfs_emu.json
new file mode 100644
index 0000000000..3aa38abd7a
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/eglfs_emu.json
@@ -0,0 +1,3 @@
+{
+    "Keys": [ "eglfs_emu" ]
+}
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/eglfs_emu.pro b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/eglfs_emu.pro
new file mode 100644
index 0000000000..609f04e8a9
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/eglfs_emu.pro
@@ -0,0 +1,27 @@
+TARGET = qeglfs-emu-integration
+
+QT += core-private gui-private eglfsdeviceintegration-private
+
+INCLUDEPATH += $$PWD/../../api
+CONFIG += egl
+
+# Avoid X11 header collision
+DEFINES += QT_EGL_NO_X11
+
+OTHER_FILES += $$PWD/eglfs_emu.json
+
+PLUGIN_TYPE = egldeviceintegrations
+PLUGIN_CLASS_NAME = QEglFSEmulatorIntegrationPlugin
+load(qt_plugin)
+
+DISTFILES += \
+    eglfs_emu.json
+
+SOURCES += \
+    qeglfsemumain.cpp \
+    qeglfsemulatorintegration.cpp \
+    qeglfsemulatorscreen.cpp
+
+HEADERS += \
+    qeglfsemulatorintegration.h \
+    qeglfsemulatorscreen.h
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorintegration.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorintegration.cpp
new file mode 100644
index 0000000000..8a059ba973
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorintegration.cpp
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeglfsemulatorintegration.h"
+#include "qeglfsemulatorscreen.h"
+#include "private/qeglfsintegration_p.h"
+
+#include <private/qguiapplication_p.h>
+#include <QtEglSupport/private/qeglconvenience_p.h>
+#include <QtEglSupport/private/qeglplatformcontext_p.h>
+
+#include <QtCore/QJsonDocument>
+#include <QtCore/QJsonArray>
+#include <QtCore/QJsonParseError>
+
+QT_BEGIN_NAMESPACE
+
+QEglFSEmulatorIntegration::QEglFSEmulatorIntegration()
+{
+    // The Qt Emulator provides the ability to render to multiple displays
+    // In addition to the usual EGL and OpenGLESv2 API's, there are also a
+    // few additional API's that enable the client (this plugin) to query
+    // the available screens and their properties, as well as the ability
+    // to select which screen is the active render target (as this is
+    // usually handled in a platform specific way and not by EGL itself).
+
+    getDisplays = reinterpret_cast<PFNQGSGETDISPLAYSPROC>(eglGetProcAddress("qgsGetDisplays"));
+    setDisplay = reinterpret_cast<PFNQGSSETDISPLAYPROC>(eglGetProcAddress("qgsSetDisplay"));
+}
+
+void QEglFSEmulatorIntegration::platformInit()
+{
+}
+
+void QEglFSEmulatorIntegration::platformDestroy()
+{
+}
+
+bool QEglFSEmulatorIntegration::usesDefaultScreen()
+{
+    // This makes it possible to remotely query and then register our own set of screens
+    return false;
+}
+
+void QEglFSEmulatorIntegration::screenInit()
+{
+    QEglFSIntegration *integration = static_cast<QEglFSIntegration *>(QGuiApplicationPrivate::platformIntegration());
+
+    // Use qgsGetDisplays() call to retrieve the available screens from the Emulator
+    if (getDisplays) {
+        QByteArray displaysInfo = getDisplays();
+        QJsonParseError error;
+        QJsonDocument displaysDocument = QJsonDocument::fromJson(displaysInfo, &error);
+        if (error.error == QJsonParseError::NoError) {
+            // Document should be an array of screen objects
+            if (displaysDocument.isArray()){
+                QJsonArray screenArray = displaysDocument.array();
+                for (auto screenValue : screenArray) {
+                    if (screenValue.isObject())
+                        integration->addScreen(new QEglFSEmulatorScreen(screenValue.toObject()));
+                }
+            }
+        } else {
+            qWarning() << "eglfs_emu: Failed to parse display info JSON with error: " << error.errorString();
+        }
+    } else {
+        qFatal("EGL library doesn't support Emulator extensions");
+    }
+}
+
+bool QEglFSEmulatorIntegration::hasCapability(QPlatformIntegration::Capability cap) const
+{
+    switch (cap) {
+    case QPlatformIntegration::ThreadedPixmaps:
+    case QPlatformIntegration::OpenGL:
+    case QPlatformIntegration::ThreadedOpenGL:
+        return true;
+    default:
+        return false;
+    }
+}
+
+EGLNativeWindowType QEglFSEmulatorIntegration::createNativeWindow(QPlatformWindow *platformWindow,
+                                                                  const QSize &size,
+                                                                  const QSurfaceFormat &format)
+{
+    Q_UNUSED(size);
+    Q_UNUSED(format);
+    static QAtomicInt uniqueWindowId(1);
+    QEglFSEmulatorScreen *screen = static_cast<QEglFSEmulatorScreen *>(platformWindow->screen());
+    if (screen && setDisplay) {
+        // Let the emulator know which screen the window surface is attached to
+        setDisplay(screen->id());
+    }
+    return EGLNativeWindowType(qintptr(uniqueWindowId.fetchAndAddRelaxed(1)));
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorintegration.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorintegration.h
new file mode 100644
index 0000000000..513a5063fb
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorintegration.h
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** 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 QEGLFSEMULATORINTEGRATION_H
+#define QEGLFSEMULATORINTEGRATION_H
+
+#include "private/qeglfsdeviceintegration_p.h"
+
+#include <QtCore/QLoggingCategory>
+#include <QtCore/QFunctionPointer>
+
+typedef const char *(EGLAPIENTRYP PFNQGSGETDISPLAYSPROC) ();
+typedef void (EGLAPIENTRYP PFNQGSSETDISPLAYPROC) (uint screen);
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(qLcEglfsEmuDebug)
+
+class QEglFSEmulatorIntegration : public QEglFSDeviceIntegration
+{
+public:
+    QEglFSEmulatorIntegration();
+
+    void platformInit() override;
+    void platformDestroy() override;
+    bool usesDefaultScreen() override;
+    void screenInit() override;
+    bool hasCapability(QPlatformIntegration::Capability cap) const override;
+
+    PFNQGSGETDISPLAYSPROC getDisplays;
+    PFNQGSSETDISPLAYPROC setDisplay;
+
+    EGLNativeWindowType createNativeWindow(QPlatformWindow *platformWindow, const QSize &size, const QSurfaceFormat &format) override;
+};
+
+QT_END_NAMESPACE
+
+#endif // QEGLFSEMULATORINTEGRATION_H
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorscreen.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorscreen.cpp
new file mode 100644
index 0000000000..4546088327
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorscreen.cpp
@@ -0,0 +1,178 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeglfsemulatorscreen.h"
+
+QT_BEGIN_NAMESPACE
+
+QEglFSEmulatorScreen::QEglFSEmulatorScreen(const QJsonObject &screenDescription)
+    : QEglFSScreen(eglGetDisplay(EGL_DEFAULT_DISPLAY))
+    , m_id(0)
+{
+    initFromJsonObject(screenDescription);
+}
+
+QRect QEglFSEmulatorScreen::geometry() const
+{
+    return m_geometry;
+}
+
+QRect QEglFSEmulatorScreen::rawGeometry() const
+{
+    return QRect(QPoint(0, 0), m_geometry.size());
+}
+
+int QEglFSEmulatorScreen::depth() const
+{
+    return m_depth;
+}
+
+QImage::Format QEglFSEmulatorScreen::format() const
+{
+    return m_format;
+}
+
+QSizeF QEglFSEmulatorScreen::physicalSize() const
+{
+    return m_physicalSize;
+}
+
+QDpi QEglFSEmulatorScreen::logicalDpi() const
+{
+    const QSizeF ps = m_physicalSize;
+    const QSize s = m_geometry.size();
+
+    if (!ps.isEmpty() && !s.isEmpty())
+        return QDpi(25.4 * s.width() / ps.width(),
+                    25.4 * s.height() / ps.height());
+    else
+        return QDpi(100, 100);
+}
+
+qreal QEglFSEmulatorScreen::pixelDensity() const
+{
+    return m_pixelDensity;
+}
+
+qreal QEglFSEmulatorScreen::refreshRate() const
+{
+    return m_refreshRate;
+}
+
+Qt::ScreenOrientation QEglFSEmulatorScreen::nativeOrientation() const
+{
+    return m_nativeOrientation;
+}
+
+Qt::ScreenOrientation QEglFSEmulatorScreen::orientation() const
+{
+    return m_orientation;
+}
+
+uint QEglFSEmulatorScreen::id() const
+{
+    return m_id;
+}
+
+void QEglFSEmulatorScreen::initFromJsonObject(const QJsonObject &description)
+{
+    QJsonValue value;
+
+    value = description.value(QLatin1String("id"));
+    if (!value.isUndefined() && value.isDouble())
+        m_id = value.toInt();
+
+    value = description.value(QLatin1String("description"));
+    if (!value.isUndefined() && value.isString())
+        m_description = value.toString();
+
+    value = description.value(QLatin1String("geometry"));
+    if (!value.isUndefined() && value.isObject()) {
+        QJsonObject geometryObject = value.toObject();
+        value = geometryObject.value(QLatin1String("x"));
+        if (!value.isUndefined() && value.isDouble())
+            m_geometry.setX(value.toInt());
+        value = geometryObject.value(QLatin1String("y"));
+        if (!value.isUndefined() && value.isDouble())
+            m_geometry.setY(value.toInt());
+        value = geometryObject.value(QLatin1String("width"));
+        if (!value.isUndefined() && value.isDouble())
+            m_geometry.setWidth(value.toInt());
+        value = geometryObject.value(QLatin1String("height"));
+        if (!value.isUndefined() && value.isDouble())
+            m_geometry.setHeight(value.toInt());
+    }
+
+    value = description.value(QLatin1String("depth"));
+    if (!value.isUndefined() && value.isDouble())
+        m_depth = value.toInt();
+
+    value = description.value(QLatin1String("format"));
+    if (!value.isUndefined() && value.isDouble())
+        m_format = static_cast<QImage::Format>(value.toInt());
+
+    value = description.value(QLatin1String("physicalSize"));
+    if (!value.isUndefined() && value.isObject()) {
+        QJsonObject physicalSizeObject = value.toObject();
+        value = physicalSizeObject.value(QLatin1String("width"));
+        if (!value.isUndefined() && value.isDouble())
+            m_physicalSize.setWidth(value.toInt());
+        value = physicalSizeObject.value(QLatin1String("height"));
+        if (!value.isUndefined() && value.isDouble())
+            m_physicalSize.setHeight(value.toInt());
+    }
+
+    value = description.value(QLatin1String("pixelDensity"));
+    if (!value.isUndefined() && value.isDouble())
+        m_pixelDensity = value.toDouble();
+
+    value = description.value(QLatin1String("refreshRate"));
+    if (!value.isUndefined() && value.isDouble())
+        m_refreshRate = value.toDouble();
+
+    value = description.value(QLatin1String("nativeOrientation"));
+    if (!value.isUndefined() && value.isDouble())
+        m_nativeOrientation = static_cast<Qt::ScreenOrientation>(value.toInt());
+
+    value = description.value(QLatin1String("orientation"));
+    if (!value.isUndefined() && value.isDouble())
+        m_orientation = static_cast<Qt::ScreenOrientation>(value.toInt());
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorscreen.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorscreen.h
new file mode 100644
index 0000000000..3e5113c9c2
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemulatorscreen.h
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** 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 QEGLFSEMULATORSCREEN_H
+#define QEGLFSEMULATORSCREEN_H
+
+#include <QtCore/QJsonObject>
+
+#include "qeglfsemulatorintegration.h"
+#include "private/qeglfsscreen_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QEglFSEmulatorScreen : public QEglFSScreen
+{
+public:
+    QEglFSEmulatorScreen(const QJsonObject &screenDescription);
+
+    QRect geometry() const override;
+    QRect rawGeometry() const override;
+    int depth() const override;
+    QImage::Format format() const override;
+    QSizeF physicalSize() const override;
+    QDpi logicalDpi() const override;
+    qreal pixelDensity() const override;
+    qreal refreshRate() const override;
+    Qt::ScreenOrientation nativeOrientation() const override;
+    Qt::ScreenOrientation orientation() const override;
+
+    uint id() const;
+
+private:
+    void initFromJsonObject(const QJsonObject &description);
+
+    QString m_description;
+    QRect m_geometry;
+    int m_depth;
+    QImage::Format m_format;
+    QSizeF m_physicalSize;
+    float m_pixelDensity;
+    float m_refreshRate;
+    Qt::ScreenOrientation m_nativeOrientation;
+    Qt::ScreenOrientation m_orientation;
+    uint m_id;
+};
+
+QT_END_NAMESPACE
+
+#endif // QEGLFSEMULATORSCREEN_H
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemumain.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemumain.cpp
new file mode 100644
index 0000000000..5899d666d8
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/qeglfsemumain.cpp
@@ -0,0 +1,56 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qeglfsdeviceintegration_p.h"
+#include "qeglfsemulatorintegration.h"
+
+QT_BEGIN_NAMESPACE
+
+class QEglFSEmulatorIntegrationPlugin : public QEglFSDeviceIntegrationPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QEglFSDeviceIntegrationFactoryInterface_iid FILE "eglfs_emu.json")
+
+public:
+    QEglFSDeviceIntegration *create() Q_DECL_OVERRIDE { return new QEglFSEmulatorIntegration; }
+};
+
+QT_END_NAMESPACE
+
+#include "qeglfsemumain.moc"