1 files changed, 114 insertions, 0 deletions
diff --git a/src/opengl/qgraphicssystem_gl.cpp b/src/opengl/qgraphicssystem_gl.cpp
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index 00000000000..0aa3c2e6c74
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+++ b/src/opengl/qgraphicssystem_gl.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at [email protected].
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgraphicssystem_gl_p.h"
+#include <QGraphicsView>
+
+#include "private/qpixmap_raster_p.h"
+#include "private/qpixmapdata_gl_p.h"
+#include "private/qwindowsurface_gl_p.h"
+#include "private/qgl_p.h"
+#include <private/qwindowsurface_raster_p.h>
+
+#if defined(Q_WS_X11) && !defined(QT_NO_EGL)
+#include "private/qpixmapdata_x11gl_p.h"
+#include "private/qwindowsurface_x11gl_p.h"
+#endif
+
+#if defined(Q_OS_SYMBIAN)
+#include <QtGui/private/qapplication_p.h>
+#endif
+
+#ifdef QGL_USE_TEXTURE_POOL
+#include "private/qgltexturepool_p.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+extern QGLWidget *qt_gl_getShareWidget();
+
+QPixmapData *QGLGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const
+{
+    return new QGLPixmapData(type);
+}
+
+QWindowSurface *QGLGraphicsSystem::createWindowSurface(QWidget *widget) const
+{
+#ifdef Q_WS_WIN
+    // On Windows the QGLWindowSurface class can't handle
+    // drop shadows and native effects, e.g. fading a menu in/out using
+    // top level window opacity.
+    if (widget->windowType() == Qt::Popup)
+        return new QRasterWindowSurface(widget);
+#endif
+
+#if defined(Q_WS_X11) && !defined(QT_NO_EGL)
+    if (m_useX11GL && QX11GLPixmapData::hasX11GLPixmaps()) {
+        // If the widget is a QGraphicsView which will be re-drawing the entire
+        // scene each frame anyway, we should use QGLWindowSurface as this may
+        // provide proper buffer flipping, which should be faster than QX11GL's
+        // blitting approach:
+        QGraphicsView* qgv = qobject_cast<QGraphicsView*>(widget);
+        if (qgv && qgv->viewportUpdateMode() == QGraphicsView::FullViewportUpdate)
+            return new QGLWindowSurface(widget);
+        else
+            return new QX11GLWindowSurface(widget);
+    }
+#endif
+
+#if defined(Q_OS_SYMBIAN)
+    if (!QApplicationPrivate::instance()->useTranslucentEGLSurfaces) {
+        QWidgetPrivate *d = qt_widget_private(widget);
+        if (!d->isOpaque && widget->testAttribute(Qt::WA_TranslucentBackground))
+            return d->createDefaultWindowSurface_sys();
+    }
+#endif
+
+    return new QGLWindowSurface(widget);
+}
+#ifdef QGL_USE_TEXTURE_POOL
+void QGLGraphicsSystem::releaseCachedResources()
+{
+    QGLTexturePool::instance()->hibernate();
+}
+#endif
+QT_END_NAMESPACE
+