Rename QWaylandGLIntegration to QWaylandClientBufferIntegration

also add a factory to load QWaylandClientBufferIntegrationPlugins

Change-Id: Ia6a03627659b0452439ae664fceef21eaf0f6de0
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

src/plugins/platforms/wayland/client.pro

@@ -95,7 +95,4 @@ HEADERS +=  qwaylandintegration.h \
             qwaylandinputcontext.h \
             qwaylanddatadevice.h \
 
-contains(DEFINES, QT_WAYLAND_GL_SUPPORT) {
-    SOURCES += qwaylandglintegration.cpp
-    HEADERS += qwaylandglintegration.h
-}
+include(hardwareintegration/hardwareintegration.pri)

src/plugins/platforms/wayland/hardwareintegration/hardwareintegration.pri

@@ -0,0 +1,10 @@
+SOURCES += \
+           $$PWD/qwaylandclientbufferintegration.cpp \
+           $$PWD/qwaylandclientbufferintegrationplugin.cpp \
+           $$PWD/qwaylandclientbufferintegrationfactory.cpp
+
+HEADERS += \
+           $$PWD/qwaylandclientbufferintegration.h \
+           $$PWD/qwaylandclientbufferintegrationplugin.h \
+           $$PWD/qwaylandclientbufferintegrationfactory.h
+

src/plugins/platforms/wayland/hardwareintegration/qwaylandclientbufferintegration.cpp

@@ -39,16 +39,16 @@
 **
 ****************************************************************************/
 
-#include "qwaylandglintegration.h"
+#include "qwaylandclientbufferintegration.h"
 
 QT_BEGIN_NAMESPACE
 
-QWaylandGLIntegration::QWaylandGLIntegration()
+QWaylandClientBufferIntegration::QWaylandClientBufferIntegration()
 {
 
 }
 
-QWaylandGLIntegration::~QWaylandGLIntegration()
+QWaylandClientBufferIntegration::~QWaylandClientBufferIntegration()
 {
 
 }

src/plugins/platforms/wayland/hardwareintegration/qwaylandclientbufferintegration.h

@@ -39,8 +39,8 @@
 **
 ****************************************************************************/
 
-#ifndef QWAYLANDGLINTEGRATION_H
-#define QWAYLANDGLINTEGRATION_H
+#ifndef QWAYLANDCLIENTBUFFERINTEGRATION_H
+#define QWAYLANDCLIENTBUFFERINTEGRATION_H
 
 #include <QtCore/qglobal.h>
 #include <QtWaylandClient/qwaylandclientexport.h>
@@ -54,11 +54,11 @@ class QWindow;
 class QPlatformOpenGLContext;
 class QSurfaceFormat;
 
-class Q_WAYLAND_CLIENT_EXPORT QWaylandGLIntegration
+class Q_WAYLAND_CLIENT_EXPORT QWaylandClientBufferIntegration
 {
 public:
-    QWaylandGLIntegration();
-    virtual ~QWaylandGLIntegration();
+    QWaylandClientBufferIntegration();
+    virtual ~QWaylandClientBufferIntegration();
 
     virtual void initialize() = 0;
     virtual bool waitingForEvents() { return false; }
@@ -68,9 +68,9 @@ public:
     virtual QWaylandWindow *createEglWindow(QWindow *window) = 0;
     virtual QPlatformOpenGLContext *createPlatformOpenGLContext(const QSurfaceFormat &glFormat, QPlatformOpenGLContext *share) const = 0;
 
-    static QWaylandGLIntegration *createGLIntegration(QWaylandDisplay *waylandDisplay);
+    static QWaylandClientBufferIntegration *createGLIntegration(QWaylandDisplay *waylandDisplay);
 };
 
 QT_END_NAMESPACE
 
-#endif // QWAYLANDGLINTEGRATION_H
+#endif // QWAYLANDCLIENTBUFFERINTEGRATION_H

src/plugins/platforms/wayland/hardwareintegration/qwaylandclientbufferintegrationfactory.cpp

@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module 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 "qwaylandclientbufferintegrationfactory.h"
+#include "qwaylandclientbufferintegrationplugin.h"
+#include "qwaylandclientbufferintegration.h"
+#include <QtCore/private/qfactoryloader_p.h>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDir>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_LIBRARY
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
+    (QWaylandClientBufferIntegrationFactoryInterface_iid, QLatin1String("/wayland-graphics-integration/client"), Qt::CaseInsensitive))
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, directLoader,
+                          (QWaylandClientBufferIntegrationFactoryInterface_iid, QLatin1String(""), Qt::CaseInsensitive))
+#endif
+
+QStringList QWaylandClientBufferIntegrationFactory::keys(const QString &pluginPath)
+{
+#ifndef QT_NO_LIBRARY
+    QStringList list;
+    if (!pluginPath.isEmpty()) {
+        QCoreApplication::addLibraryPath(pluginPath);
+        list = directLoader()->keyMap().values();
+        if (!list.isEmpty()) {
+            const QString postFix = QStringLiteral(" (from ")
+                                    + QDir::toNativeSeparators(pluginPath)
+                                    + QLatin1Char(')');
+            const QStringList::iterator end = list.end();
+            for (QStringList::iterator it = list.begin(); it != end; ++it)
+                (*it).append(postFix);
+        }
+    }
+    list.append(loader()->keyMap().values());
+    return list;
+#else
+    return QStringList();
+#endif
+}
+
+QWaylandClientBufferIntegration *QWaylandClientBufferIntegrationFactory::create(const QString &name, const QStringList &args, const QString &pluginPath)
+{
+#ifndef QT_NO_LIBRARY
+    // Try loading the plugin from platformPluginPath first:
+    if (!pluginPath.isEmpty()) {
+        QCoreApplication::addLibraryPath(pluginPath);
+        if (QWaylandClientBufferIntegration *ret = qLoadPlugin1<QWaylandClientBufferIntegration, QWaylandClientBufferIntegrationPlugin>(directLoader(), name, args))
+            return ret;
+    }
+    if (QWaylandClientBufferIntegration *ret = qLoadPlugin1<QWaylandClientBufferIntegration, QWaylandClientBufferIntegrationPlugin>(loader(), name, args))
+        return ret;
+#endif
+    return 0;
+}
+
+QT_END_NAMESPACE

src/plugins/platforms/wayland/hardwareintegration/qwaylandclientbufferintegrationfactory.h

@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H
+#define QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H
+
+#include <QtWaylandClient/qwaylandclientexport.h>
+#include <QtCore/QStringList>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandClientBufferIntegration;
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandClientBufferIntegrationFactory
+{
+public:
+    static QStringList keys(const QString &pluginPath = QString());
+    static QWaylandClientBufferIntegration *create(const QString &name, const QStringList &args, const QString &pluginPath = QString());
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H

src/plugins/platforms/wayland/hardwareintegration/qwaylandclientbufferintegrationplugin.cpp

@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module 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 "qwaylandclientbufferintegrationplugin.h"
+
+QT_BEGIN_NAMESPACE
+
+QWaylandClientBufferIntegrationPlugin::QWaylandClientBufferIntegrationPlugin(QObject *parent) :
+    QObject(parent)
+{
+}
+
+QWaylandClientBufferIntegrationPlugin::~QWaylandClientBufferIntegrationPlugin()
+{
+}
+
+QT_END_NAMESPACE

src/plugins/platforms/wayland/hardwareintegration/qwaylandclientbufferintegrationplugin.h

@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H
+#define QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H
+
+#include <QtWaylandClient/qwaylandclientexport.h>
+
+#include <QtCore/qplugin.h>
+#include <QtCore/qfactoryinterface.h>
+#include <QtCore/QObject>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandClientBufferIntegration;
+
+#define QWaylandClientBufferIntegrationFactoryInterface_iid "org.qt-project.Qt.WaylandClient.QWaylandClientBufferIntegrationFactoryInterface.5.1"
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandClientBufferIntegrationPlugin : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QWaylandClientBufferIntegrationPlugin(QObject *parent = 0);
+    ~QWaylandClientBufferIntegrationPlugin();
+
+    virtual QWaylandClientBufferIntegration *create(const QString &key, const QStringList &paramList) = 0;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H

src/plugins/platforms/wayland/qwaylanddisplay.cpp

@@ -50,7 +50,7 @@
 #include "qwaylandclipboard.h"
 #include "qwaylanddatadevicemanager.h"
 
-#include "qwaylandglintegration.h"
+#include "qwaylandclientbufferintegration.h"
 
 #include "qwaylandwindowmanagerintegration.h"
 
@@ -78,9 +78,9 @@ struct wl_surface *QWaylandDisplay::createSurface(void *handle)
     return surface;
 }
 
-QWaylandGLIntegration * QWaylandDisplay::glIntegration() const
+QWaylandClientBufferIntegration * QWaylandDisplay::clientBufferIntegration() const
 {
-    return mWaylandIntegration->glIntegration();
+    return mWaylandIntegration->clientBufferIntegration();
 }
 
 QWaylandWindowManagerIntegration *QWaylandDisplay::windowManagerIntegration() const

src/plugins/platforms/wayland/qwaylanddisplay.h

@@ -62,7 +62,7 @@ class QSocketNotifier;
 class QWaylandBuffer;
 class QPlatformScreen;
 class QWaylandScreen;
-class QWaylandGLIntegration;
+class QWaylandClientBufferIntegration;
 class QWaylandWindowManagerIntegration;
 class QWaylandDataDeviceManager;
 class QWaylandTouchExtension;
@@ -98,7 +98,7 @@ public:
 
     struct wl_surface *createSurface(void *handle);
 
-    QWaylandGLIntegration *glIntegration() const;
+    QWaylandClientBufferIntegration *clientBufferIntegration() const;
 
     QWaylandWindowManagerIntegration *windowManagerIntegration() const;
 

src/plugins/platforms/wayland/qwaylandintegration.cpp

@@ -65,9 +65,8 @@
 #include <qpa/qplatformaccessibility.h>
 #include <qpa/qplatforminputcontext.h>
 
-#ifdef QT_WAYLAND_GL_SUPPORT
-#include "qwaylandglintegration.h"
-#endif
+#include "qwaylandclientbufferintegration.h"
+#include "qwaylandclientbufferintegrationfactory.h"
 
 
 QT_BEGIN_NAMESPACE
@@ -102,13 +101,15 @@ public:
 };
 
 QWaylandIntegration::QWaylandIntegration()
-    : mFontDb(new QGenericUnixFontDatabase())
+    : mClientBufferIntegration(0)
+    , mFontDb(new QGenericUnixFontDatabase())
     , mNativeInterface(new QWaylandNativeInterface(this))
 #ifndef QT_NO_ACCESSIBILITY
     , mAccessibility(new QPlatformAccessibility())
 #else
     , mAccessibility(0)
 #endif
+    , mClientBufferIntegrationInitialized(false)
 {
     mDisplay = new QWaylandDisplay(this);
     mClipboard = new QWaylandClipboard(mDisplay);
@@ -141,9 +142,9 @@ bool QWaylandIntegration::hasCapability(QPlatformIntegration::Capability cap) co
     switch (cap) {
     case ThreadedPixmaps: return true;
     case OpenGL:
-        return mDisplay->glIntegration();
+        return mDisplay->clientBufferIntegration();
     case ThreadedOpenGL:
-        return mDisplay->glIntegration() && mDisplay->glIntegration()->supportsThreadedOpenGL();
+        return mDisplay->clientBufferIntegration() && mDisplay->clientBufferIntegration()->supportsThreadedOpenGL();
     case BufferQueueingOpenGL:
         return true;
     case MultipleWindows:
@@ -155,15 +156,15 @@ bool QWaylandIntegration::hasCapability(QPlatformIntegration::Capability cap) co
 
 QPlatformWindow *QWaylandIntegration::createPlatformWindow(QWindow *window) const
 {
-    if (window->surfaceType() == QWindow::OpenGLSurface && mDisplay->glIntegration())
-        return mDisplay->glIntegration()->createEglWindow(window);
+    if (window->surfaceType() == QWindow::OpenGLSurface && mDisplay->clientBufferIntegration())
+        return mDisplay->clientBufferIntegration()->createEglWindow(window);
     return new QWaylandShmWindow(window);
 }
 
 QPlatformOpenGLContext *QWaylandIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
 {
-    if (mDisplay->glIntegration())
-        return mDisplay->glIntegration()->createPlatformOpenGLContext(context->format(), context->shareHandle());
+    if (mDisplay->clientBufferIntegration())
+        return mDisplay->clientBufferIntegration()->createPlatformOpenGLContext(context->format(), context->shareHandle());
     return 0;
 }
 
@@ -236,9 +237,27 @@ QPlatformTheme *QWaylandIntegration::createPlatformTheme(const QString &name) co
     return GenericWaylandTheme::createUnixTheme(name);
 }
 
-QWaylandGLIntegration *QWaylandIntegration::glIntegration() const
+QWaylandClientBufferIntegration *QWaylandIntegration::clientBufferIntegration() const
 {
-    return 0;
+    if (!mClientBufferIntegrationInitialized)
+        const_cast<QWaylandIntegration *>(this)->initializeBufferIntegration();
+
+    return mClientBufferIntegration;
+}
+
+void QWaylandIntegration::initializeBufferIntegration()
+{
+    mClientBufferIntegrationInitialized = true;
+
+    QByteArray clientBufferIntegrationName = qgetenv("QT_WAYLAND_CLIENT_BUFFER_INTEGRATION");
+    if (clientBufferIntegrationName.isEmpty())
+        clientBufferIntegrationName = QByteArrayLiteral("wayland-egl");
+
+    QStringList keys = QWaylandClientBufferIntegrationFactory::keys();
+    QString targetKey = QString::fromLocal8Bit(clientBufferIntegrationName);
+    if (keys.contains(targetKey)) {
+        mClientBufferIntegration = QWaylandClientBufferIntegrationFactory::create(targetKey, QStringList());
+    }
 }
 
 QT_END_NAMESPACE

src/plugins/platforms/wayland/qwaylandintegration.h

@@ -49,7 +49,7 @@ QT_BEGIN_NAMESPACE
 
 class QWaylandBuffer;
 class QWaylandDisplay;
-class QWaylandGLIntegration;
+class QWaylandClientBufferIntegration;
 
 class Q_WAYLAND_CLIENT_EXPORT QWaylandIntegration : public QPlatformIntegration
 {
@@ -87,8 +87,11 @@ public:
 
     QPlatformTheme *createPlatformTheme(const QString &name) const;
 
-    virtual QWaylandGLIntegration *glIntegration() const;
+    virtual QWaylandClientBufferIntegration *clientBufferIntegration() const;
+protected:
+    QWaylandClientBufferIntegration *mClientBufferIntegration;
 private:
+    void initializeBufferIntegration();
     QPlatformFontDatabase *mFontDb;
     QPlatformClipboard *mClipboard;
     QPlatformDrag *mDrag;
@@ -96,6 +99,7 @@ private:
     QPlatformNativeInterface *mNativeInterface;
     QScopedPointer<QPlatformInputContext> mInputContext;
     QPlatformAccessibility *mAccessibility;
+    bool mClientBufferIntegrationInitialized;
 };
 
 QT_END_NAMESPACE