| 1 | // Copyright (C) 2015 Paul Lemire |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "buffermanager_p.h" |
| 5 | |
| 6 | QT_BEGIN_NAMESPACE |
| 7 | |
| 8 | namespace Qt3DRender { |
| 9 | namespace Render { |
| 10 | |
| 11 | BufferManager::BufferManager() |
| 12 | { |
| 13 | } |
| 14 | |
| 15 | BufferManager::~BufferManager() |
| 16 | { |
| 17 | } |
| 18 | |
| 19 | void BufferManager::addDirtyBuffer(Qt3DCore::QNodeId bufferId) |
| 20 | { |
| 21 | if (!m_dirtyBuffers.contains(t: bufferId)) |
| 22 | m_dirtyBuffers.push_back(t: bufferId); |
| 23 | } |
| 24 | |
| 25 | QList<Qt3DCore::QNodeId> BufferManager::takeDirtyBuffers() |
| 26 | { |
| 27 | return qMove(m_dirtyBuffers); |
| 28 | } |
| 29 | |
| 30 | // Called in QAspectThread::syncChanges |
| 31 | void BufferManager::removeBufferReference(Qt3DCore::QNodeId bufferId) |
| 32 | { |
| 33 | QMutexLocker lock(&m_mutex); |
| 34 | Q_ASSERT(m_bufferReferences.contains(bufferId) && m_bufferReferences[bufferId] > 0); |
| 35 | m_bufferReferences[bufferId]--; |
| 36 | } |
| 37 | |
| 38 | // Called in QAspectThread |
| 39 | void BufferManager::addBufferReference(Qt3DCore::QNodeId bufferId) |
| 40 | { |
| 41 | QMutexLocker lock(&m_mutex); |
| 42 | m_bufferReferences[bufferId]++; |
| 43 | } |
| 44 | |
| 45 | // Called in Render thread |
| 46 | QList<Qt3DCore::QNodeId> BufferManager::takeBuffersToRelease() |
| 47 | { |
| 48 | QMutexLocker lock(&m_mutex); |
| 49 | QList<Qt3DCore::QNodeId> buffersToRelease; |
| 50 | for (auto it = m_bufferReferences.begin(), end = m_bufferReferences.end(); it != end; /*erasing*/) { |
| 51 | if (it.value() == 0) { |
| 52 | buffersToRelease.append(t: it.key()); |
| 53 | it = m_bufferReferences.erase(it); |
| 54 | } else { |
| 55 | ++it; |
| 56 | } |
| 57 | } |
| 58 | return buffersToRelease; |
| 59 | } |
| 60 | |
| 61 | } // namespace Render |
| 62 | } // namespace Qt3DRender |
| 63 | |
| 64 | QT_END_NAMESPACE |
| 65 |