| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
|---|---|
| 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 "expandboundingvolumejob_p.h" |
| 5 | |
| 6 | #include <Qt3DRender/private/entity_p.h> |
| 7 | #include <Qt3DRender/private/renderlogging_p.h> |
| 8 | #include <Qt3DRender/private/sphere_p.h> |
| 9 | #include <Qt3DRender/private/job_common_p.h> |
| 10 | #include <Qt3DRender/private/managers_p.h> |
| 11 | #include <Qt3DRender/private/nodemanagers_p.h> |
| 12 | |
| 13 | #include <QThread> |
| 14 | |
| 15 | QT_BEGIN_NAMESPACE |
| 16 | |
| 17 | namespace Qt3DRender { |
| 18 | namespace Render { |
| 19 | |
| 20 | namespace { |
| 21 | |
| 22 | void expandWorldBoundingVolume(NodeManagers *manager, Entity *node) |
| 23 | { |
| 24 | // Go to the nodes that have the most depth |
| 25 | const auto &childrenHandles = node->childrenHandles(); |
| 26 | for (const HEntity &handle : childrenHandles) { |
| 27 | Entity *c = manager->renderNodesManager()->data(handle); |
| 28 | if (c && c->isEnabled()) |
| 29 | expandWorldBoundingVolume(manager, node: c); |
| 30 | } |
| 31 | |
| 32 | // Then traverse back from leaf to root |
| 33 | // Initialize parent bounding volume to be equal to that of the first child |
| 34 | if (!childrenHandles.empty()) { |
| 35 | Qt3DRender::Render::Sphere *parentBoundingVolume = node->worldBoundingVolumeWithChildren(); |
| 36 | for (const HEntity &handle : childrenHandles) { |
| 37 | Entity *c = manager->renderNodesManager()->data(handle); |
| 38 | if (c && c->isEnabled()) |
| 39 | parentBoundingVolume->expandToContain(sphere: *c->worldBoundingVolumeWithChildren()); |
| 40 | } |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | } |
| 45 | |
| 46 | ExpandBoundingVolumeJob::ExpandBoundingVolumeJob() |
| 47 | : m_node(nullptr) |
| 48 | , m_manager(nullptr) |
| 49 | { |
| 50 | SET_JOB_RUN_STAT_TYPE(this, JobTypes::ExpandBoundingVolume, 0) |
| 51 | } |
| 52 | |
| 53 | void ExpandBoundingVolumeJob::setRoot(Entity *root) |
| 54 | { |
| 55 | m_node = root; |
| 56 | } |
| 57 | |
| 58 | void ExpandBoundingVolumeJob::setManagers(NodeManagers *manager) |
| 59 | { |
| 60 | m_manager = manager; |
| 61 | } |
| 62 | |
| 63 | void ExpandBoundingVolumeJob::run() |
| 64 | { |
| 65 | // Expand worldBoundingVolumeWithChildren of each node that has children by the |
| 66 | // bounding volumes of the children. |
| 67 | |
| 68 | // TODO: Implement this using a parallel_for |
| 69 | qCDebug(Jobs) << "Entering"<< Q_FUNC_INFO << QThread::currentThread(); |
| 70 | expandWorldBoundingVolume(manager: m_manager, node: m_node); |
| 71 | qCDebug(Jobs) << "Exiting"<< Q_FUNC_INFO << QThread::currentThread(); |
| 72 | } |
| 73 | |
| 74 | } // namespace Render |
| 75 | } // namespace Qt3DRender |
| 76 | |
| 77 | QT_END_NAMESPACE |
| 78 |