eglfs: Split kms integration into multiple files

Now that it's a plugin, the restrictions for the compiled-in hooks
do not apply. Make it maintainable and prepare for future development
by splitting up properly.

The actual functions are not touched at all in this patch.

Change-Id: I4c666817afe15b31a63c1f9fc01413e9a2376a3b
Reviewed-by: Louai Al-Khanji <louai.al-khanji@theqtcompany.com>

1 files changed, 130 insertions, 0 deletions

diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h
new file mode 100644
index 0000000000..e4d5ee9e0a
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** 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 QEGLFSKMSSCREEN_H
+#define QEGLFSKMSSCREEN_H
+
+#include "qeglfskmsintegration.h"
+#include "qeglfsscreen.h"
+#include <QtCore/QList>
+#include <QtCore/QMutex>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <gbm.h>
+
+QT_BEGIN_NAMESPACE
+
+class QEglFSKmsDevice;
+class QEglFSKmsCursor;
+
+struct QEglFSKmsOutput
+{
+    QString name;
+    uint32_t connector_id;
+    uint32_t crtc_id;
+    QSizeF physical_size;
+    int mode; // index of selected mode in list below
+    bool mode_set;
+    drmModeCrtcPtr saved_crtc;
+    QList<drmModeModeInfo> modes;
+};
+
+class QEglFSKmsScreen : public QEglFSScreen
+{
+public:
+    QEglFSKmsScreen(QEglFSKmsIntegration *integration,
+                    QEglFSKmsDevice *device,
+                    QEglFSKmsOutput output,
+                    QPoint position);
+    ~QEglFSKmsScreen();
+
+    QRect geometry() const Q_DECL_OVERRIDE;
+    int depth() const Q_DECL_OVERRIDE;
+    QImage::Format format() const Q_DECL_OVERRIDE;
+
+    QSizeF physicalSize() const Q_DECL_OVERRIDE;
+    QDpi logicalDpi() const Q_DECL_OVERRIDE;
+    Qt::ScreenOrientation nativeOrientation() const Q_DECL_OVERRIDE;
+    Qt::ScreenOrientation orientation() const Q_DECL_OVERRIDE;
+
+    QString name() const Q_DECL_OVERRIDE;
+
+    QPlatformCursor *cursor() const Q_DECL_OVERRIDE;
+
+    QEglFSKmsDevice *device() const { return m_device; }
+
+    gbm_surface *surface() const { return m_gbm_surface; }
+    gbm_surface *createSurface();
+    void destroySurface();
+
+    void waitForFlip();
+    void flip();
+    void flipFinished();
+
+    QEglFSKmsOutput &output() { return m_output; }
+    void restoreMode();
+
+private:
+    QEglFSKmsIntegration *m_integration;
+    QEglFSKmsDevice *m_device;
+    gbm_surface *m_gbm_surface;
+
+    gbm_bo *m_gbm_bo_current;
+    gbm_bo *m_gbm_bo_next;
+
+    QEglFSKmsOutput m_output;
+    QPoint m_pos;
+    QScopedPointer<QEglFSKmsCursor> m_cursor;
+
+    struct FrameBuffer {
+        FrameBuffer() : fb(0) {}
+        uint32_t fb;
+    };
+    static void bufferDestroyedHandler(gbm_bo *bo, void *data);
+    FrameBuffer *framebufferForBufferObject(gbm_bo *bo);
+
+    static QMutex m_waitForFlipMutex;
+};
+
+QT_END_NAMESPACE
+
+#endif