| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 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 <Qt3DRender/private/qrendercapture_p.h> |
| 5 | #include <Qt3DRender/private/rendercapture_p.h> |
| 6 | #include <Qt3DCore/private/qaspectmanager_p.h> |
| 7 | #include <Qt3DCore/private/qaspectjobmanager_p.h> |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | namespace Qt3DRender { |
| 12 | |
| 13 | namespace Render { |
| 14 | |
| 15 | RenderCapture::RenderCapture() |
| 16 | : FrameGraphNode(FrameGraphNode::RenderCapture, QBackendNode::ReadWrite) |
| 17 | { |
| 18 | |
| 19 | } |
| 20 | |
| 21 | void RenderCapture::requestCapture(const QRenderCaptureRequest &request) |
| 22 | { |
| 23 | QMutexLocker lock(&m_mutex); |
| 24 | m_requestedCaptures.push_back(t: request); |
| 25 | } |
| 26 | |
| 27 | // called by render view initializer job |
| 28 | bool RenderCapture::wasCaptureRequested() const |
| 29 | { |
| 30 | QMutexLocker lock(&m_mutex); |
| 31 | return m_requestedCaptures.size() > 0 && isEnabled(); |
| 32 | } |
| 33 | |
| 34 | // called by render view initializer job |
| 35 | QRenderCaptureRequest RenderCapture::takeCaptureRequest() |
| 36 | { |
| 37 | Q_ASSERT(!m_requestedCaptures.isEmpty()); |
| 38 | return m_requestedCaptures.takeFirst(); |
| 39 | } |
| 40 | |
| 41 | void RenderCapture::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) |
| 42 | { |
| 43 | const QRenderCapture *node = qobject_cast<const QRenderCapture *>(object: frontEnd); |
| 44 | if (!node) |
| 45 | return; |
| 46 | |
| 47 | FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime); |
| 48 | |
| 49 | const QRenderCapturePrivate *d = static_cast<const QRenderCapturePrivate *>(QFrameGraphNodePrivate::get(node)); |
| 50 | const auto newPendingsCaptures = Qt3DCore::moveAndClear(data&: d->m_pendingRequests); |
| 51 | if (newPendingsCaptures.size() > 0) { |
| 52 | m_requestedCaptures.append(l: newPendingsCaptures); |
| 53 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 54 | } |
| 55 | |
| 56 | if (firstTime) |
| 57 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 58 | } |
| 59 | |
| 60 | // called by render thread |
| 61 | void RenderCapture::addRenderCapture(int captureId, const QImage &image) |
| 62 | { |
| 63 | QMutexLocker lock(&m_mutex); |
| 64 | auto data = RenderCaptureDataPtr::create(); |
| 65 | data.data()->captureId = captureId; |
| 66 | data.data()->image = image; |
| 67 | m_renderCaptureData.push_back(t: data); |
| 68 | } |
| 69 | |
| 70 | // called to send render capture in main thread |
| 71 | void RenderCapture::syncRenderCapturesToFrontend(Qt3DCore::QAspectManager *manager) |
| 72 | { |
| 73 | auto *frontend = manager->lookupNode(id: peerId()); |
| 74 | if (!frontend) |
| 75 | return; |
| 76 | QRenderCapturePrivate *dfrontend = static_cast<QRenderCapturePrivate *>(Qt3DCore::QNodePrivate::get(q: frontend)); |
| 77 | |
| 78 | QMutexLocker lock(&m_mutex); |
| 79 | for (const RenderCaptureDataPtr &data : std::as_const(t&: m_renderCaptureData)) { |
| 80 | QPointer<QRenderCaptureReply> reply = dfrontend->takeReply(captureId: data.data()->captureId); |
| 81 | // Note: QPointer has no operator bool, we must use isNull() to check it |
| 82 | if (!reply.isNull()) { |
| 83 | dfrontend->setImage(reply, image: data.data()->image); |
| 84 | emit reply->completed(); |
| 85 | } |
| 86 | } |
| 87 | m_renderCaptureData.clear(); |
| 88 | } |
| 89 | |
| 90 | } // Render |
| 91 | |
| 92 | } // Qt3DRender |
| 93 | |
| 94 | QT_END_NAMESPACE |
| 95 |