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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QWLCLIENTBUFFER_P_H
#define QWLCLIENTBUFFER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QRect>
#include <QtGui/qopengl.h>
#include <QImage>
#include <QAtomicInt>
#include <QtWaylandCompositor/QWaylandSurface>
#include <QtWaylandCompositor/QWaylandBufferRef>
#include <QtCore/private/qglobal_p.h>
#include <wayland-server-core.h>
QT_BEGIN_NAMESPACE
class QWaylandClientBufferIntegration;
class QWaylandBufferRef;
class QWaylandCompositor;
class QOpenGLTexture;
namespace QtWayland {
struct surface_buffer_destroy_listener
{
struct wl_listener listener;
class ClientBuffer *surfaceBuffer = nullptr;
};
class Q_WAYLANDCOMPOSITOR_EXPORT ClientBuffer
{
public:
ClientBuffer(struct ::wl_resource *bufferResource);
virtual ~ClientBuffer();
virtual QWaylandBufferRef::BufferFormatEgl bufferFormatEgl() const;
virtual QSize size() const = 0;
virtual QWaylandSurface::Origin origin() const = 0;
virtual quintptr lockNativeBuffer() { return 0; }
virtual void unlockNativeBuffer(quintptr native_buffer) const { Q_UNUSED(native_buffer); }
virtual QImage image() const { return QImage(); }
inline bool isCommitted() const { return m_committed; }
virtual void setCommitted(QRegion &damage);
bool isDestroyed() { return m_destroyed; }
virtual bool isProtected() { return false; }
inline struct ::wl_resource *waylandBufferHandle() const { return m_buffer; }
bool isSharedMemory() const { return wl_shm_buffer_get(m_buffer); }
#if QT_CONFIG(opengl)
virtual QOpenGLTexture *toOpenGlTexture(int plane = 0) = 0;
#endif
static bool hasContent(ClientBuffer *buffer) { return buffer && buffer->waylandBufferHandle(); }
static bool hasProtectedContent(ClientBuffer *buffer) { return buffer && buffer->isProtected(); }
protected:
void ref();
void deref();
void sendRelease();
virtual void setDestroyed();
struct ::wl_resource *m_buffer = nullptr;
QRegion m_damage;
bool m_textureDirty = false;
private:
bool m_committed = false;
bool m_destroyed = false;
QAtomicInt m_refCount;
friend class ::QWaylandBufferRef;
friend class BufferManager;
};
class Q_WAYLANDCOMPOSITOR_EXPORT SharedMemoryBuffer : public ClientBuffer
{
public:
SharedMemoryBuffer(struct ::wl_resource *bufferResource);
QSize size() const override;
QWaylandSurface::Origin origin() const override;
QImage image() const override;
#if QT_CONFIG(opengl)
QOpenGLTexture *toOpenGlTexture(int plane = 0) override;
private:
QOpenGLTexture *m_shmTexture = nullptr;
#endif
};
}
QT_END_NAMESPACE
#endif // QWLCLIENTBUFFER_P_H
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