Initial support for Qt using Kernel Mode-setting (KMS)

This platform plugin supports fullscreen OpenGLES2 windows on devices
that support Kernel Mode-setting.

Change-Id: I7d4077319654c13851f0ff7ec0228b7b13936382
Reviewed-on: http://codereview.qt.nokia.com/2516
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/plugins/platforms/kms/qkmsscreen.h b/src/plugins/platforms/kms/qkmsscreen.h
new file mode 100644
index 0000000000..5c8b5ca4f5
--- /dev/null
+++ b/src/plugins/platforms/kms/qkmsscreen.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QKMSSCREEN_H
+#define QKMSSCREEN_H
+
+#include <QtGui/QPlatformScreen>
+#include "qkmsbuffermanager.h"
+
+QT_BEGIN_NAMESPACE
+
+class QKmsCursor;
+class QKmsDevice;
+class QKmsContext;
+
+class QKmsScreen : public QPlatformScreen
+{
+public:
+    QKmsScreen(QKmsDevice *device, int connectorId);
+    ~QKmsScreen();
+
+    QRect geometry() const;
+    int depth() const;
+    QImage::Format format() const;
+    QSize physicalSize() const;
+
+    GLuint framebufferObject() const;
+    quint32 crtcId() const { return m_crtcId; }
+    QKmsDevice *device() const;
+
+    //Called by context for each screen
+    void bindFramebuffer();
+    void swapBuffers();
+    void setFlipReady(unsigned int time);
+
+private:
+    void performPageFlip();
+    void initializeScreenMode();
+    void waitForPageFlipComplete();
+
+    QKmsDevice *m_device;
+    bool m_flipReady;
+    quint32 m_connectorId;
+
+    quint32 m_crtcId;
+    drmModeModeInfo m_mode;
+    QRect m_geometry;
+    QSize m_physicalSize;
+    int m_depth;
+    QImage::Format m_format;
+
+    QKmsCursor *m_cursor;
+    QKmsBufferManager m_bufferManager;
+    unsigned int m_refreshTime;
+};
+
+QT_END_NAMESPACE
+
+#endif // QKMSSCREEN_H