| 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 | #include <QtCore/qpointer.h> |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | namespace Qt3DRender { |
| 14 | |
| 15 | namespace Render { |
| 16 | |
| 17 | RenderCapture::RenderCapture() |
| 18 | : FrameGraphNode(FrameGraphNode::RenderCapture, QBackendNode::ReadWrite) |
| 19 | { |
| 20 | |
| 21 | } |
| 22 | |
| 23 | void RenderCapture::requestCapture(const QRenderCaptureRequest &request) |
| 24 | { |
| 25 | QMutexLocker lock(&m_mutex); |
| 26 | m_requestedCaptures.push_back(t: request); |
| 27 | } |
| 28 | |
| 29 | // called by render view initializer job |
| 30 | bool RenderCapture::wasCaptureRequested() const |
| 31 | { |
| 32 | QMutexLocker lock(&m_mutex); |
| 33 | return !m_requestedCaptures.empty() && isEnabled(); |
| 34 | } |
| 35 | |
| 36 | // called by render view initializer job |
| 37 | QRenderCaptureRequest RenderCapture::takeCaptureRequest() |
| 38 | { |
| 39 | Q_ASSERT(!m_requestedCaptures.isEmpty()); |
| 40 | return m_requestedCaptures.takeFirst(); |
| 41 | } |
| 42 | |
| 43 | void RenderCapture::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) |
| 44 | { |
| 45 | const QRenderCapture *node = qobject_cast<const QRenderCapture *>(object: frontEnd); |
| 46 | if (!node) |
| 47 | return; |
| 48 | |
| 49 | FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime); |
| 50 | |
| 51 | const QRenderCapturePrivate *d = static_cast<const QRenderCapturePrivate *>(QFrameGraphNodePrivate::get(node)); |
| 52 | const auto newPendingsCaptures = Qt3DCore::moveAndClear(data&: d->m_pendingRequests); |
| 53 | if (!newPendingsCaptures.empty()) { |
| 54 | m_requestedCaptures.append(l: newPendingsCaptures); |
| 55 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 56 | } |
| 57 | |
| 58 | if (firstTime) |
| 59 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 60 | } |
| 61 | |
| 62 | // called by render thread |
| 63 | void RenderCapture::addRenderCapture(int captureId, const QImage &image) |
| 64 | { |
| 65 | QMutexLocker lock(&m_mutex); |
| 66 | auto data = RenderCaptureDataPtr::create(); |
| 67 | data.data()->captureId = captureId; |
| 68 | data.data()->image = image; |
| 69 | m_renderCaptureData.push_back(t: data); |
| 70 | } |
| 71 | |
| 72 | // called to send render capture in main thread |
| 73 | void RenderCapture::syncRenderCapturesToFrontend(Qt3DCore::QAspectManager *manager) |
| 74 | { |
| 75 | auto *frontend = manager->lookupNode(id: peerId()); |
| 76 | if (!frontend) |
| 77 | return; |
| 78 | QRenderCapturePrivate *dfrontend = static_cast<QRenderCapturePrivate *>(Qt3DCore::QNodePrivate::get(q: frontend)); |
| 79 | |
| 80 | QMutexLocker lock(&m_mutex); |
| 81 | for (const RenderCaptureDataPtr &data : std::as_const(t&: m_renderCaptureData)) { |
| 82 | QPointer<QRenderCaptureReply> reply = dfrontend->takeReply(captureId: data.data()->captureId); |
| 83 | // Note: QPointer has no operator bool, we must use isNull() to check it |
| 84 | if (!reply.isNull()) { |
| 85 | dfrontend->setImage(reply, image: data.data()->image); |
| 86 | emit reply->completed(); |
| 87 | } |
| 88 | } |
| 89 | m_renderCaptureData.clear(); |
| 90 | } |
| 91 | |
| 92 | } // Render |
| 93 | |
| 94 | } // Qt3DRender |
| 95 | |
| 96 | QT_END_NAMESPACE |
| 97 |