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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Compositor.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SURFACEBUFFER_H
#define SURFACEBUFFER_H
#include <QtCore/QRect>
#include <QtGui/qopengl.h>
#include <wayland-server.h>
namespace Wayland {
struct surface_buffer_destroy_listener
{
struct wl_listener listener;
class SurfaceBuffer *surfaceBuffer;
};
class SurfaceBuffer
{
public:
SurfaceBuffer();
~SurfaceBuffer();
void initialize(struct wl_buffer *buffer);
void destructBufferState();
inline bool bufferIsDestroyed() const { return m_is_registered_for_buffer &&!m_buffer; }
inline int32_t width() const { return m_buffer->width; }
inline int32_t height() const { return m_buffer->height; }
inline bool isShmBuffer() const { return wl_buffer_is_shm(m_buffer); }
inline bool isReleasedSent() const { return m_is_released_sent; }
inline bool isRegisteredWithBuffer() const { return m_is_registered_for_buffer; }
void sendRelease();
void setPosted();
void setFinished();
inline bool isPosted() const { return m_is_posted; }
//this is wrong. Should have a frameSent function;
inline bool isDisplayed() const { return m_texture || m_is_posted || wl_buffer_is_shm(m_buffer); }
//I don't know understand isFinished.
inline bool isFinished() const { return m_is_frame_finished; }
inline QRect damageRect() const { return m_damageRect; }
inline void setDamage(const QRect &rect) { m_damageRect = rect; }
inline bool textureCreated() const { return m_texture; }
void setTexture(GLuint texId);
inline GLuint texture();
void destroyTexture();
inline struct wl_buffer *handle() const { return m_buffer; }
private:
struct wl_buffer *m_buffer;
struct surface_buffer_destroy_listener m_destroy_listener;
QRect m_damageRect;
bool m_is_released_sent;
bool m_is_registered_for_buffer;
bool m_is_posted;
bool m_is_frame_finished;
#ifdef QT_COMPOSITOR_WAYLAND_GL
GLuint m_texture;
#else
uint m_texture;
#endif
static void destroy_listener_callback(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time);
};
GLuint SurfaceBuffer::texture()
{
if (m_buffer)
return m_texture;
return 0;
}
}
#endif // SURFACEBUFFER_H
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