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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SURFACEBUFFER_H
#define SURFACEBUFFER_H
#include <QtCore/QRect>
#include <QtGui/qopengl.h>
#include <QImage>
#include <QAtomicInt>
#include <QtWaylandCompositor/QWaylandSurface>
#include <wayland-server.h>
QT_BEGIN_NAMESPACE
class QWaylandClientBufferIntegration;
class QWaylandBufferRef;
class QWaylandCompositor;
namespace QtWayland {
struct surface_buffer_destroy_listener
{
struct wl_listener listener;
class SurfaceBuffer *surfaceBuffer;
};
class SurfaceBuffer
{
public:
SurfaceBuffer(QWaylandSurface *surface);
~SurfaceBuffer();
void initialize(struct ::wl_resource *bufferResource);
void destructBufferState();
inline bool isRegisteredWithBuffer() const { return m_is_registered_for_buffer; }
void sendRelease();
void disown();
void setDisplayed();
inline bool isComitted() const { return m_committed; }
inline void setCommitted() { m_committed = true; }
inline bool isDisplayed() const { return m_is_displayed; }
bool isDestroyed() { return m_destroyed; }
inline struct ::wl_resource *waylandBufferHandle() const { return m_buffer; }
void setDestroyIfUnused(bool destroy);
QSize size() const;
QWaylandSurface::Origin origin() const;
bool isShm() const { return wl_shm_buffer_get(m_buffer); }
QImage image() const;
void bindToTexture() const;
static bool hasContent(SurfaceBuffer *buffer) { return buffer && buffer->isRegisteredWithBuffer(); }
private:
void ref();
void deref();
void destroyIfUnused();
QWaylandSurface *m_surface;
QWaylandCompositor *m_compositor;
struct ::wl_resource *m_buffer;
struct surface_buffer_destroy_listener m_destroy_listener;
bool m_committed;
bool m_is_registered_for_buffer;
bool m_surface_has_buffer;
bool m_destroyed;
bool m_is_displayed;
QAtomicInt m_refCount;
bool m_used;
bool m_destroyIfUnused;
static void destroy_listener_callback(wl_listener *listener, void *data);
friend class ::QWaylandBufferRef;
};
}
QT_END_NAMESPACE
#endif // SURFACEBUFFER_H
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