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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <Qt3DRender/private/qrendercapture_p.h>
#include <Qt3DRender/private/rendercapture_p.h>
#include <Qt3DCore/private/qaspectmanager_p.h>
#include <Qt3DCore/private/qaspectjobmanager_p.h>
#include <QtCore/qpointer.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
RenderCapture::RenderCapture()
: FrameGraphNode(FrameGraphNode::RenderCapture, QBackendNode::ReadWrite)
{
}
void RenderCapture::requestCapture(const QRenderCaptureRequest &request)
{
QMutexLocker lock(&m_mutex);
m_requestedCaptures.push_back(request);
}
// called by render view initializer job
bool RenderCapture::wasCaptureRequested() const
{
QMutexLocker lock(&m_mutex);
return !m_requestedCaptures.empty() && isEnabled();
}
// called by render view initializer job
QRenderCaptureRequest RenderCapture::takeCaptureRequest()
{
Q_ASSERT(!m_requestedCaptures.isEmpty());
return m_requestedCaptures.takeFirst();
}
void RenderCapture::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
{
const QRenderCapture *node = qobject_cast<const QRenderCapture *>(frontEnd);
if (!node)
return;
FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime);
const QRenderCapturePrivate *d = static_cast<const QRenderCapturePrivate *>(QFrameGraphNodePrivate::get(node));
const auto newPendingsCaptures = Qt3DCore::moveAndClear(d->m_pendingRequests);
if (!newPendingsCaptures.empty()) {
m_requestedCaptures.append(newPendingsCaptures);
markDirty(AbstractRenderer::FrameGraphDirty);
}
if (firstTime)
markDirty(AbstractRenderer::FrameGraphDirty);
}
// called by render thread
void RenderCapture::addRenderCapture(int captureId, const QImage &image)
{
QMutexLocker lock(&m_mutex);
auto data = RenderCaptureDataPtr::create();
data.data()->captureId = captureId;
data.data()->image = image;
m_renderCaptureData.push_back(data);
}
// called to send render capture in main thread
void RenderCapture::syncRenderCapturesToFrontend(Qt3DCore::QAspectManager *manager)
{
auto *frontend = manager->lookupNode(peerId());
if (!frontend)
return;
QRenderCapturePrivate *dfrontend = static_cast<QRenderCapturePrivate *>(Qt3DCore::QNodePrivate::get(frontend));
QMutexLocker lock(&m_mutex);
for (const RenderCaptureDataPtr &data : std::as_const(m_renderCaptureData)) {
QPointer<QRenderCaptureReply> reply = dfrontend->takeReply(data.data()->captureId);
// Note: QPointer has no operator bool, we must use isNull() to check it
if (!reply.isNull()) {
dfrontend->setImage(reply, data.data()->image);
emit reply->completed();
}
}
m_renderCaptureData.clear();
}
} // Render
} // Qt3DRender
QT_END_NAMESPACE
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