Add a new window surface which utilises QX11GLPixmapData

The new surface uses XCopyArea to post updates to the window and thus,
supports partial updates.

1 files changed, 81 insertions, 0 deletions

diff --git a/src/opengl/qwindowsurface_x11gl_p.h b/src/opengl/qwindowsurface_x11gl_p.h
new file mode 100644
index 0000000..5ba4dc5
--- /dev/null
+++ b/src/opengl/qwindowsurface_x11gl_p.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSURFACE_X11GL_P_H
+#define QWINDOWSURFACE_X11GL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qwindowsurface_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QX11GLWindowSurface : public QWindowSurface
+{
+public:
+    QX11GLWindowSurface(QWidget* window);
+    virtual ~QX11GLWindowSurface();
+
+    // Inherreted from QWindowSurface
+    QPaintDevice *paintDevice();
+    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
+    void setGeometry(const QRect &rect);
+    bool scroll(const QRegion &area, int dx, int dy);
+
+private:
+    GC      m_GC;
+    QPixmap m_backBuffer;
+    QWidget *m_window;
+};
+
+
+QT_END_NAMESPACE
+
+#endif // QWINDOWSURFACE_X11GL_P_H