| 1 | // Copyright (C) 2017 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "qscene2d.h" |
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| 5 | #include "qscene2d_p.h" |
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| 6 | #include "scene2d_p.h" |
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| 7 | #include "scene2dmanager_p.h" |
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| 8 | #include "scene2devent_p.h" |
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| 9 | #include "scene2dsharedobject_p.h" |
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| 10 | |
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| 11 | QT_BEGIN_NAMESPACE |
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| 12 | |
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| 13 | |
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| 14 | namespace Qt3DRender { |
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| 15 | |
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| 16 | namespace Quick { |
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| 17 | |
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| 18 | using namespace Qt3DCore; |
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| 19 | |
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| 20 | /*! |
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| 21 | \internal |
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| 22 | Constructs object shared by the front-end and back-end to synchronize the rendering. |
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| 23 | */ |
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| 24 | Scene2DSharedObject::Scene2DSharedObject(Scene2DManager *manager) |
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| 25 | : m_renderControl(nullptr) |
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| 26 | , m_quickWindow(nullptr) |
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| 27 | , m_renderManager(manager) |
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| 28 | , m_surface(nullptr) |
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| 29 | , m_renderThread(nullptr) |
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| 30 | , m_renderObject(nullptr) |
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| 31 | , m_disallowed(false) |
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| 32 | , m_quit(false) |
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| 33 | , m_requestSync(false) |
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| 34 | , m_prepared(false) |
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| 35 | , m_initialized(false) |
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| 36 | { |
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| 37 | } |
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| 38 | |
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| 39 | Scene2DSharedObject::~Scene2DSharedObject() |
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| 40 | { |
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| 41 | } |
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| 42 | |
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| 43 | void Scene2DSharedObject::cleanup() |
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| 44 | { |
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| 45 | delete m_renderControl; |
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| 46 | delete m_quickWindow; |
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| 47 | delete m_surface; |
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| 48 | m_renderControl = nullptr; |
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| 49 | m_quickWindow = nullptr; |
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| 50 | m_surface = nullptr; |
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| 51 | m_initialized = false; |
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| 52 | } |
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| 53 | |
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| 54 | bool Scene2DSharedObject::canRender() const |
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| 55 | { |
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| 56 | return m_initialized && m_prepared && !m_disallowed; |
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| 57 | } |
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| 58 | |
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| 59 | bool Scene2DSharedObject::isInitialized() const |
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| 60 | { |
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| 61 | return m_initialized; |
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| 62 | } |
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| 63 | |
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| 64 | void Scene2DSharedObject::disallowRender() |
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| 65 | { |
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| 66 | m_disallowed = true; |
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| 67 | } |
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| 68 | |
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| 69 | void Scene2DSharedObject::setInitialized() |
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| 70 | { |
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| 71 | m_initialized = true; |
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| 72 | } |
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| 73 | |
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| 74 | bool Scene2DSharedObject::isPrepared() const |
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| 75 | { |
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| 76 | return m_prepared; |
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| 77 | } |
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| 78 | |
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| 79 | void Scene2DSharedObject::setPrepared() |
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| 80 | { |
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| 81 | m_prepared = true; |
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| 82 | } |
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| 83 | |
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| 84 | // not protected, call only from main thread |
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| 85 | bool Scene2DSharedObject::isQuit() const |
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| 86 | { |
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| 87 | Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread()); |
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| 88 | return m_quit; |
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| 89 | } |
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| 90 | |
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| 91 | // not protected, call only from main thread |
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| 92 | void Scene2DSharedObject::requestQuit() |
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| 93 | { |
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| 94 | Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread()); |
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| 95 | m_quit = true; |
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| 96 | QCoreApplication::postEvent(receiver: m_renderObject, event: new Scene2DEvent(Scene2DEvent::Quit)); |
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| 97 | } |
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| 98 | |
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| 99 | bool Scene2DSharedObject::isSyncRequested() const |
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| 100 | { |
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| 101 | return m_requestSync; |
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| 102 | } |
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| 103 | |
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| 104 | void Scene2DSharedObject::requestRender(bool sync) |
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| 105 | { |
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| 106 | m_requestSync = sync; |
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| 107 | QCoreApplication::postEvent(receiver: m_renderObject, event: new Scene2DEvent(Scene2DEvent::Render)); |
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| 108 | } |
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| 109 | |
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| 110 | void Scene2DSharedObject::wait() |
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| 111 | { |
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| 112 | m_cond.wait(lockedMutex: &m_mutex); |
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| 113 | } |
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| 114 | |
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| 115 | void Scene2DSharedObject::wake() |
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| 116 | { |
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| 117 | m_cond.wakeOne(); |
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| 118 | } |
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| 119 | |
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| 120 | void Scene2DSharedObject::clearSyncRequest() |
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| 121 | { |
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| 122 | m_requestSync = false; |
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| 123 | } |
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| 124 | |
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| 125 | } // namespace Quick |
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| 126 | } // namespace Qt3DRender |
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| 127 | |
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| 128 | QT_END_NAMESPACE |
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| 129 | |
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