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39
40#include "buffermanager_p.h"
41
42QT_BEGIN_NAMESPACE
43
44namespace Qt3DRender {
45namespace Render {
46
47BufferManager::BufferManager()
48{
49}
50
51BufferManager::~BufferManager()
52{
53}
54
55void BufferManager::addDirtyBuffer(Qt3DCore::QNodeId bufferId)
56{
57 if (!m_dirtyBuffers.contains(t: bufferId))
58 m_dirtyBuffers.push_back(t: bufferId);
59}
60
61QVector<Qt3DCore::QNodeId> BufferManager::takeDirtyBuffers()
62{
63 return qMove(m_dirtyBuffers);
64}
65
66// Called in QAspectThread::syncChanges
67void BufferManager::removeBufferReference(Qt3DCore::QNodeId bufferId)
68{
69 QMutexLocker lock(&m_mutex);
70 Q_ASSERT(m_bufferReferences.contains(bufferId) && m_bufferReferences[bufferId] > 0);
71 m_bufferReferences[bufferId]--;
72}
73
74// Called in QAspectThread
75void BufferManager::addBufferReference(Qt3DCore::QNodeId bufferId)
76{
77 QMutexLocker lock(&m_mutex);
78 m_bufferReferences[bufferId]++;
79}
80
81// Called in Render thread
82QVector<Qt3DCore::QNodeId> BufferManager::takeBuffersToRelease()
83{
84 QMutexLocker lock(&m_mutex);
85 QVector<Qt3DCore::QNodeId> buffersToRelease;
86 for (auto it = m_bufferReferences.begin(), end = m_bufferReferences.end(); it != end; /*erasing*/) {
87 if (it.value() == 0) {
88 buffersToRelease.append(t: it.key());
89 it = m_bufferReferences.erase(it);
90 } else {
91 ++it;
92 }
93 }
94 return buffersToRelease;
95}
96
97} // namespace Render
98} // namespace Qt3DRender
99
100QT_END_NAMESPACE
101

source code of qt3d/src/render/geometry/buffermanager.cpp