| /**************************************************************************** |
| ** |
| ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
| ** Copyright (C) 2016 Paul Lemire |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #include "framegraphvisitor_p.h" |
| |
| #include "framegraphnode_p.h" |
| #include "subtreeenabler_p.h" |
| #include <Qt3DRender/private/abstractrenderer_p.h> |
| #include <Qt3DRender/private/managers_p.h> |
| #include <QThreadPool> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace Qt3DCore; |
| |
| namespace Qt3DRender { |
| namespace Render { |
| |
| FrameGraphVisitor::FrameGraphVisitor(const FrameGraphManager *manager) |
| : m_manager(manager) |
| { |
| m_leaves.reserve(8); |
| } |
| |
| QVector<FrameGraphNode *> FrameGraphVisitor::traverse(FrameGraphNode *root) |
| { |
| m_leaves.clear(); |
| m_enablersToDisable.clear(); |
| |
| Q_ASSERT_X(root, Q_FUNC_INFO, "The FrameGraphRoot is null"); |
| |
| // Kick off the traversal |
| Render::FrameGraphNode *node = root; |
| if (node == nullptr) |
| qCritical() << Q_FUNC_INFO << "FrameGraph is null"; |
| visit(node); |
| return m_leaves; |
| } |
| |
| // intended to be called after traverse |
| // (returns data that is captured during the traverse) |
| QVector<FrameGraphNode *> &&FrameGraphVisitor::takeEnablersToDisable() |
| { |
| return std::move(m_enablersToDisable); |
| } |
| |
| void FrameGraphVisitor::visit(Render::FrameGraphNode *node) |
| { |
| if (node->nodeType() == Render::FrameGraphNode::SubtreeEnabler) { |
| if (!node->isEnabled()) |
| return; |
| if (static_cast<SubtreeEnabler*>(node)->enablement() == QSubtreeEnabler::SingleShot) { |
| node->setEnabled(false); |
| m_enablersToDisable.push_back(node); |
| } |
| } |
| |
| // Recurse to children (if we have any), otherwise if this is a leaf node, |
| // initiate a rendering from the current camera |
| const QVector<Qt3DCore::QNodeId> fgChildIds = node->childrenIds(); |
| |
| for (const Qt3DCore::QNodeId fgChildId : fgChildIds) |
| visit(m_manager->lookupNode(fgChildId)); |
| |
| // Leaf node - create a RenderView ready to be populated |
| // TODO: Pass in only framegraph config that has changed from previous |
| // index RenderViewJob. |
| if (fgChildIds.empty()) |
| m_leaves.push_back(node); |
| } |
| |
| } // namespace Render |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |