blob: 778c107245af184c506afee1f9da3b33e5f76146 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/****************************************************************************
**
** Copyright (C) 2017 Juan José Casafranca
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "sendbuffercapturejob_p.h"
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/job_common_p.h>
#include <Qt3DRender/private/buffer_p.h>
#include <Qt3DRender/private/buffermanager_p.h>
#include <Qt3DCore/private/qaspectmanager_p.h>
#include <Qt3DRender/private/qbuffer_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
class SendBufferCaptureJobPrivate : public Qt3DCore::QAspectJobPrivate
{
public:
SendBufferCaptureJobPrivate() {}
~SendBufferCaptureJobPrivate() {}
void postFrame(Qt3DCore::QAspectManager *aspectManager) override;
mutable QMutex m_mutex;
QVector<QPair<Qt3DCore::QNodeId, QByteArray>> m_buffersToCapture;
QVector<QPair<Qt3DCore::QNodeId, QByteArray>> m_buffersToNotify;
};
SendBufferCaptureJob::SendBufferCaptureJob()
: Qt3DCore::QAspectJob(*new SendBufferCaptureJobPrivate)
, m_nodeManagers(nullptr)
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::SendBufferCapture, 0)
}
SendBufferCaptureJob::~SendBufferCaptureJob()
{
}
// Called from SubmitRenderView while rendering
void SendBufferCaptureJob::addRequest(QPair<Qt3DCore::QNodeId, QByteArray> request)
{
Q_D(SendBufferCaptureJob);
QMutexLocker locker(&d->m_mutex);
d->m_buffersToCapture.push_back(request);
}
// Called by aspect thread jobs to execute (we may still be rendering at this point)
bool SendBufferCaptureJob::hasRequests() const
{
Q_D(const SendBufferCaptureJob);
QMutexLocker locker(&d->m_mutex);
return d->m_buffersToCapture.size() > 0;
}
void SendBufferCaptureJob::run()
{
Q_ASSERT(m_nodeManagers);
Q_D(SendBufferCaptureJob);
QMutexLocker locker(&d->m_mutex);
for (const QPair<Qt3DCore::QNodeId, QByteArray> &pendingCapture : qAsConst(d->m_buffersToCapture)) {
Buffer *buffer = m_nodeManagers->bufferManager()->lookupResource(pendingCapture.first);
// Buffer might have been destroyed between the time addRequest is made and this job gets run
// If it exists however, it cannot be destroyed before this job is done running
if (buffer != nullptr)
buffer->updateDataFromGPUToCPU(pendingCapture.second);
}
d->m_buffersToNotify = std::move(d->m_buffersToCapture);
}
void SendBufferCaptureJobPrivate::postFrame(Qt3DCore::QAspectManager *aspectManager)
{
QMutexLocker locker(&m_mutex);
const QVector<QPair<Qt3DCore::QNodeId, QByteArray>> pendingSendBufferCaptures = std::move(m_buffersToNotify);
for (const auto &bufferDataPair : pendingSendBufferCaptures) {
QBuffer *frontendBuffer = static_cast<decltype(frontendBuffer)>(aspectManager->lookupNode(bufferDataPair.first));
if (!frontendBuffer)
continue;
QBufferPrivate *dFrontend = static_cast<decltype(dFrontend)>(Qt3DCore::QNodePrivate::get(frontendBuffer));
// Calling frontendBuffer->setData would result in forcing a sync against the backend
// which isn't necessary
dFrontend->setData(bufferDataPair.second);
Q_EMIT frontendBuffer->dataAvailable();
}
}
} // Render
} // Qt3DRender
QT_END_NAMESPACE
|
