/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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**
** This file is part of the QtCanvas3D module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
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****************************************************************************/

#include "renderbuffer3d_p.h"

QT_BEGIN_NAMESPACE
QT_CANVAS3D_BEGIN_NAMESPACE

/*!
 * \qmltype RenderBuffer3D
 * \since QtCanvas3D 1.0
 * \ingroup qtcanvas3d-qml-types
 * \brief Contains an OpenGL renderbuffer.
 *
 * An uncreatable QML type that contains an OpenGL renderbuffer. You can get it by calling
 * \l{Context3D::createRenderbuffer()}{Context3D.createRenderbuffer()} method.
 */

/*!
 * \internal
 */
CanvasRenderBuffer::CanvasRenderBuffer(QObject *parent) :
    CanvasAbstractObject(parent)
{
    initializeOpenGLFunctions();
    glGenRenderbuffers(1, &m_renderbufferId);
}


/*!
 * \internal
 */
CanvasRenderBuffer::~CanvasRenderBuffer()
{
    del();
}

/*!
 * \internal
 */
bool CanvasRenderBuffer::isAlive()
{
    return (m_renderbufferId);
}

/*!
 * \internal
 */
void CanvasRenderBuffer::del()
{
    if (m_renderbufferId) {
        glDeleteRenderbuffers(1, &m_renderbufferId);
        m_renderbufferId = 0;
    }
}

/*!
 * \internal
 */
GLuint CanvasRenderBuffer::id()
{
    return m_renderbufferId;
}

QT_CANVAS3D_END_NAMESPACE
QT_END_NAMESPACE