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36 
37 #include <Qt3DRender/private/qrendercapture_p.h>
38 #include <Qt3DRender/private/rendercapture_p.h>
39 #include <Qt3DCore/qpropertyupdatedchange.h>
40 #include <Qt3DCore/private/qaspectmanager_p.h>
41 #include <Qt3DCore/private/qaspectjobmanager_p.h>
42 
43 QT_BEGIN_NAMESPACE
44 
45 namespace Qt3DRender {
46 
47 namespace Render {
48 
RenderCapture()49 RenderCapture::RenderCapture()
50     : FrameGraphNode(FrameGraphNode::RenderCapture, QBackendNode::ReadWrite)
51 {
52 
53 }
54 
requestCapture(const QRenderCaptureRequest & request)55 void RenderCapture::requestCapture(const QRenderCaptureRequest &request)
56 {
57     QMutexLocker lock(&m_mutex);
58     m_requestedCaptures.push_back(request);
59 }
60 
61 // called by render view initializer job
wasCaptureRequested() const62 bool RenderCapture::wasCaptureRequested() const
63 {
64     QMutexLocker lock(&m_mutex);
65     return m_requestedCaptures.size() > 0 && isEnabled();
66 }
67 
68 // called by render view initializer job
takeCaptureRequest()69 QRenderCaptureRequest RenderCapture::takeCaptureRequest()
70 {
71     Q_ASSERT(!m_requestedCaptures.isEmpty());
72     return m_requestedCaptures.takeFirst();
73 }
74 
syncFromFrontEnd(const Qt3DCore::QNode * frontEnd,bool firstTime)75 void RenderCapture::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
76 {
77     const QRenderCapture *node = qobject_cast<const QRenderCapture *>(frontEnd);
78     if (!node)
79         return;
80 
81     FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime);
82 
83     const QRenderCapturePrivate *d = static_cast<const QRenderCapturePrivate *>(QFrameGraphNodePrivate::get(node));
84     const auto newPendingsCaptures = std::move(d->m_pendingRequests);
85     if (newPendingsCaptures.size() > 0) {
86         m_requestedCaptures.append(newPendingsCaptures);
87         markDirty(AbstractRenderer::FrameGraphDirty);
88     }
89 
90     if (firstTime)
91         markDirty(AbstractRenderer::FrameGraphDirty);
92 }
93 
94 // called by render thread
addRenderCapture(int captureId,const QImage & image)95 void RenderCapture::addRenderCapture(int captureId, const QImage &image)
96 {
97     QMutexLocker lock(&m_mutex);
98     auto data = RenderCaptureDataPtr::create();
99     data.data()->captureId = captureId;
100     data.data()->image = image;
101     m_renderCaptureData.push_back(data);
102 }
103 
104 // called to send render capture in main thread
syncRenderCapturesToFrontend(Qt3DCore::QAspectManager * manager)105 void RenderCapture::syncRenderCapturesToFrontend(Qt3DCore::QAspectManager *manager)
106 {
107     auto *frontend = manager->lookupNode(peerId());
108     if (!frontend)
109         return;
110     QRenderCapturePrivate *dfrontend = static_cast<QRenderCapturePrivate *>(Qt3DCore::QNodePrivate::get(frontend));
111 
112     QMutexLocker lock(&m_mutex);
113     for (const RenderCaptureDataPtr &data : qAsConst(m_renderCaptureData)) {
114         QPointer<QRenderCaptureReply> reply = dfrontend->takeReply(data.data()->captureId);
115         // Note: QPointer has no operator bool, we must use isNull() to check it
116         if (!reply.isNull()) {
117             dfrontend->setImage(reply, data.data()->image);
118             emit reply->completed();
119 QT_WARNING_PUSH
120 QT_WARNING_DISABLE_DEPRECATED
121             emit reply->completeChanged(true);
122 QT_WARNING_POP
123         }
124     }
125     m_renderCaptureData.clear();
126 }
127 
128 } // Render
129 
130 } // Qt3DRender
131 
132 QT_END_NAMESPACE
133