Added bsdfb platform plugin for FreeBSD

[ChangeLog][QtGui][Platform Specific Changes] Added bsdfb
platform plugin for FreeBSD. Plugin renders directly to
framebuffer, no hardware acceleration supported.  bsdfb accepts
"fb", "size", "offset", and "mmsize" arguments with the same
format as linuxfb.

Change-Id: I5f5cea0b5ed70d5c6f8d01dc547f54c731bcae5f
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/src/plugins/platforms/bsdfb/qbsdfbscreen.h b/src/plugins/platforms/bsdfb/qbsdfbscreen.h
new file mode 100644
index 0000000000..0d9964afd5
--- /dev/null
+++ b/src/plugins/platforms/bsdfb/qbsdfbscreen.h
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2015-2016 Oleksandr Tymoshenko <gonzo@bluezbox.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBSDFBSCREEN_H
+#define QBSDFBSCREEN_H
+
+#include <QtPlatformSupport/private/qfbscreen_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QPainter;
+
+class QBsdFbScreen : public QFbScreen
+{
+    Q_OBJECT
+public:
+    explicit QBsdFbScreen(const QStringList &args);
+    ~QBsdFbScreen() override;
+
+    bool initialize();
+
+    QPixmap grabWindow(WId wid, int x, int y, int width, int height) const override;
+
+    QRegion doRedraw() override;
+
+private:
+    QStringList m_arguments;
+    int m_framebufferFd = -1;
+    QImage m_onscreenImage;
+
+    int m_bytesPerLine = -1;
+
+    struct {
+        uchar *data;
+        int offset, size;
+    } m_mmap;
+
+    QScopedPointer<QPainter> m_blitter;
+};
+
+QT_END_NAMESPACE
+
+#endif // QBSDFBSCREEN_H