| 1 | // Copyright (C) 2017 Juan José Casafranca |
|---|---|
| 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 "sendbuffercapturejob_p.h" |
| 5 | |
| 6 | #include <Qt3DRender/private/nodemanagers_p.h> |
| 7 | #include <Qt3DRender/private/job_common_p.h> |
| 8 | #include <Qt3DRender/private/buffer_p.h> |
| 9 | #include <Qt3DRender/private/buffermanager_p.h> |
| 10 | #include <Qt3DCore/private/qaspectmanager_p.h> |
| 11 | #include <Qt3DCore/private/qbuffer_p.h> |
| 12 | #include <Qt3DCore/private/vector_helper_p.h> |
| 13 | |
| 14 | QT_BEGIN_NAMESPACE |
| 15 | |
| 16 | namespace Qt3DRender { |
| 17 | |
| 18 | namespace Render { |
| 19 | |
| 20 | class SendBufferCaptureJobPrivate : public Qt3DCore::QAspectJobPrivate |
| 21 | { |
| 22 | public: |
| 23 | SendBufferCaptureJobPrivate() {} |
| 24 | ~SendBufferCaptureJobPrivate() {} |
| 25 | |
| 26 | void postFrame(Qt3DCore::QAspectManager *aspectManager) override; |
| 27 | |
| 28 | mutable QMutex m_mutex; |
| 29 | QList<QPair<Qt3DCore::QNodeId, QByteArray>> m_buffersToCapture; |
| 30 | QList<QPair<Qt3DCore::QNodeId, QByteArray>> m_buffersToNotify; |
| 31 | }; |
| 32 | |
| 33 | SendBufferCaptureJob::SendBufferCaptureJob() |
| 34 | : Qt3DCore::QAspectJob(*new SendBufferCaptureJobPrivate) |
| 35 | , m_nodeManagers(nullptr) |
| 36 | { |
| 37 | SET_JOB_RUN_STAT_TYPE(this, JobTypes::SendBufferCapture, 0) |
| 38 | } |
| 39 | |
| 40 | SendBufferCaptureJob::~SendBufferCaptureJob() |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | // Called from SubmitRenderView while rendering |
| 45 | void SendBufferCaptureJob::addRequest(QPair<Qt3DCore::QNodeId, QByteArray> request) |
| 46 | { |
| 47 | Q_D(SendBufferCaptureJob); |
| 48 | QMutexLocker locker(&d->m_mutex); |
| 49 | d->m_buffersToCapture.push_back(t: request); |
| 50 | } |
| 51 | |
| 52 | // Called by aspect thread jobs to execute (we may still be rendering at this point) |
| 53 | bool SendBufferCaptureJob::hasRequests() const |
| 54 | { |
| 55 | Q_D(const SendBufferCaptureJob); |
| 56 | QMutexLocker locker(&d->m_mutex); |
| 57 | return d->m_buffersToCapture.size() > 0; |
| 58 | } |
| 59 | |
| 60 | void SendBufferCaptureJob::run() |
| 61 | { |
| 62 | Q_ASSERT(m_nodeManagers); |
| 63 | Q_D(SendBufferCaptureJob); |
| 64 | QMutexLocker locker(&d->m_mutex); |
| 65 | for (const QPair<Qt3DCore::QNodeId, QByteArray> &pendingCapture : std::as_const(t&: d->m_buffersToCapture)) { |
| 66 | Buffer *buffer = m_nodeManagers->bufferManager()->lookupResource(id: pendingCapture.first); |
| 67 | // Buffer might have been destroyed between the time addRequest is made and this job gets run |
| 68 | // If it exists however, it cannot be destroyed before this job is done running |
| 69 | if (buffer != nullptr) |
| 70 | buffer->updateDataFromGPUToCPU(data: pendingCapture.second); |
| 71 | } |
| 72 | d->m_buffersToNotify = Qt3DCore::moveAndClear(data&: d->m_buffersToCapture); |
| 73 | } |
| 74 | |
| 75 | void SendBufferCaptureJobPrivate::postFrame(Qt3DCore::QAspectManager *aspectManager) |
| 76 | { |
| 77 | QMutexLocker locker(&m_mutex); |
| 78 | const QList<QPair<Qt3DCore::QNodeId, QByteArray>> pendingSendBufferCaptures = Qt3DCore::moveAndClear(data&: m_buffersToNotify); |
| 79 | for (const auto &bufferDataPair : pendingSendBufferCaptures) { |
| 80 | Qt3DCore::QBuffer *frontendBuffer = static_cast<decltype(frontendBuffer)>(aspectManager->lookupNode(id: bufferDataPair.first)); |
| 81 | if (!frontendBuffer) |
| 82 | continue; |
| 83 | Qt3DCore::QBufferPrivate *dFrontend = static_cast<decltype(dFrontend)>(Qt3DCore::QNodePrivate::get(q: frontendBuffer)); |
| 84 | // Calling frontendBuffer->setData would result in forcing a sync against the backend |
| 85 | // which isn't necessary |
| 86 | dFrontend->setData(bufferDataPair.second); |
| 87 | Q_EMIT frontendBuffer->dataAvailable(); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | } // Render |
| 92 | |
| 93 | } // Qt3DRender |
| 94 | |
| 95 | QT_END_NAMESPACE |
| 96 |