eglfs: Add support for systems without pbuffer support

Use a small native window and window surface in case the hooks indicate
that pbuffer support is not available.

Change-Id: I6515309041f0e1e2f5321d59941f35d6ee16dca7
Reviewed-by: Louai Al-Khanji <louai.al-khanji@digia.com>
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.h b/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.h
new file mode 100644
index 0000000000..8bd4089c34
--- /dev/null
+++ b/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 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 QEGLFSOFFSCREENWINDOW_H
+#define QEGLFSOFFSCREENWINDOW_H
+
+#include <EGL/egl.h>
+#include <qpa/qplatformoffscreensurface.h>
+
+QT_BEGIN_NAMESPACE
+
+class QEglFSOffscreenWindow : public QPlatformOffscreenSurface
+{
+public:
+    QEglFSOffscreenWindow(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface);
+    ~QEglFSOffscreenWindow();
+
+    QSurfaceFormat format() const Q_DECL_OVERRIDE { return m_format; }
+    bool isValid() const Q_DECL_OVERRIDE { return m_surface != EGL_NO_SURFACE; }
+
+private:
+    QSurfaceFormat m_format;
+    EGLDisplay m_display;
+    EGLSurface m_surface;
+    EGLNativeWindowType m_window;
+};
+
+QT_END_NAMESPACE
+
+#endif // QEGLFSOFFSCREENWINDOW_H