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/****************************************************************************
**
** Copyright (C) 2015 Paul Lemire
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D 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 "buffermanager_p.h"
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
BufferManager::BufferManager()
{
}
BufferManager::~BufferManager()
{
}
void BufferManager::addDirtyBuffer(Qt3DCore::QNodeId bufferId)
{
if (!m_dirtyBuffers.contains(bufferId))
m_dirtyBuffers.push_back(bufferId);
}
QVector<Qt3DCore::QNodeId> BufferManager::takeDirtyBuffers()
{
return qMove(m_dirtyBuffers);
}
// Called in QAspectThread::syncChanges
void BufferManager::removeBufferReference(Qt3DCore::QNodeId bufferId)
{
QMutexLocker lock(&m_mutex);
Q_ASSERT(m_bufferReferences.contains(bufferId) && m_bufferReferences[bufferId] > 0);
m_bufferReferences[bufferId]--;
}
// Called in QAspectThread
void BufferManager::addBufferReference(Qt3DCore::QNodeId bufferId)
{
QMutexLocker lock(&m_mutex);
m_bufferReferences[bufferId]++;
}
// Called in Render thread
QVector<Qt3DCore::QNodeId> BufferManager::takeBuffersToRelease()
{
QMutexLocker lock(&m_mutex);
QVector<Qt3DCore::QNodeId> buffersToRelease;
for (auto it = m_bufferReferences.begin(), end = m_bufferReferences.end(); it != end; /*erasing*/) {
if (it.value() == 0) {
buffersToRelease.append(it.key());
it = m_bufferReferences.erase(it);
} else {
++it;
}
}
return buffersToRelease;
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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