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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCanvas3D module 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "buffer3d_p.h"
#include <QDebug>
#include <QString>
QT_BEGIN_NAMESPACE
QT_CANVAS3D_BEGIN_NAMESPACE
/*!
* \qmltype Canvas3DBuffer
* \since QtCanvas3D 1.0
* \inqmlmodule QtCanvas3D
* \inherits Canvas3DAbstractObject
* \brief Contains an OpenGL buffer.
*
* An uncreatable QML type that contains an OpenGL buffer. You can get it by calling the
* \l{Context3D::createBuffer()}{Context3D.createBuffer()} method.
*/
CanvasBuffer::CanvasBuffer() :
CanvasAbstractObject(0, 0),
m_bufferId(0),
m_bindTarget(CanvasBuffer::UNINITIALIZED)
{
// Compiler says we need the default constructor, but it is unclear why
}
CanvasBuffer::CanvasBuffer(CanvasGlCommandQueue *queue, QObject *parent) :
CanvasAbstractObject(queue, parent),
m_bufferId(queue->createResourceId()),
m_bindTarget(CanvasBuffer::UNINITIALIZED)
{
queueCommand(CanvasGlCommandQueue::glGenBuffers, m_bufferId);
}
CanvasBuffer::CanvasBuffer(const CanvasBuffer& other) :
CanvasAbstractObject(other.commandQueue(), 0), // Copying a QObject, leave it parentless..
m_bufferId(other.m_bufferId),
m_bindTarget(other.m_bindTarget)
{
}
CanvasBuffer::~CanvasBuffer()
{
// Crashes on exit as V4VM does it's final cleanup without checking of ownerships
del();
}
void CanvasBuffer::del()
{
if (m_bufferId)
queueCommand(CanvasGlCommandQueue::glDeleteBuffers, m_bufferId);
m_bufferId = 0;
}
bool CanvasBuffer::isAlive()
{
return bool(m_bufferId);
}
CanvasBuffer::bindTarget CanvasBuffer::target()
{
return m_bindTarget;
}
void CanvasBuffer::setTarget(bindTarget bindPoint)
{
//Q_ASSERT(m_bindTarget == CanvasBuffer::UNINITIALIZED);
m_bindTarget = bindPoint;
}
GLint CanvasBuffer::id()
{
return m_bufferId;
}
QDebug operator<<(QDebug dbg, const CanvasBuffer *buffer)
{
if (buffer)
dbg.nospace() << "Canvas3DBuffer("<< buffer->name() <<", id:" << buffer->m_bufferId << ")";
else
dbg.nospace() << "Canvas3DBuffer("<< ((void*) buffer) <<")";
return dbg.maybeSpace();
}
QT_CANVAS3D_END_NAMESPACE
QT_END_NAMESPACE
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