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// Copyright (C) 2015 Paul Lemire
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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);
}
QList<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
QList<Qt3DCore::QNodeId> BufferManager::takeBuffersToRelease()
{
QMutexLocker lock(&m_mutex);
QList<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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