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| ** |
| ** Copyright (C) 2017 Juan José Casafranca |
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| ** This file is part of the Qt3D module of the Qt Toolkit. |
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| |
| #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 |