Scene3D: halt Qt3D simulation loop while not visible

Change-Id: I09d69fab7aaf3c2fa77da6eb30e505d9cb25c01f
Reviewed-by: Mike Krus <mike.krus@kdab.com>

5 files changed, 244 insertions, 1 deletions

diff --git a/tests/manual/manual.pro b/tests/manual/manual.pro
index 3553219e1..dbb1fbc63 100644
--- a/tests/manual/manual.pro
+++ b/tests/manual/manual.pro
@@ -68,7 +68,8 @@ SUBDIRS += \
     shader-image-qml \
     scene3d-in-sync \
     compressed_textures \
-    subtree-enabler-qml
+    subtree-enabler-qml \
+    scene3d-visibility
 
 !macos:!uikit: SUBDIRS += compute-manual
 
diff --git a/tests/manual/scene3d-visibility/main.cpp b/tests/manual/scene3d-visibility/main.cpp
new file mode 100644
index 000000000..8886263f4
--- /dev/null
+++ b/tests/manual/scene3d-visibility/main.cpp
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QQuickView>
+
+int main(int argc, char **argv)
+{
+    QGuiApplication app(argc, argv);
+
+    QQuickView view;
+
+    view.resize(500, 500);
+    view.setResizeMode(QQuickView::SizeRootObjectToView);
+    view.setSource(QUrl("qrc:/main.qml"));
+    view.show();
+
+    return app.exec();
+}
diff --git a/tests/manual/scene3d-visibility/main.qml b/tests/manual/scene3d-visibility/main.qml
new file mode 100644
index 000000000..ccfa3227f
--- /dev/null
+++ b/tests/manual/scene3d-visibility/main.qml
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.14
+import Qt3D.Core 2.14
+import Qt3D.Render 2.14
+import Qt3D.Input 2.14
+import Qt3D.Extras 2.14
+import QtQuick.Scene3D 2.14
+
+Item {
+    id: root
+
+    Timer {
+        running: true
+        repeat: true
+        interval: 2000
+        onTriggered: scene3d.visible = !scene3d.visible
+    }
+
+    // Scene3D
+    Scene3D {
+        id: scene3d
+        visible: false
+        readonly property double halfWidth: width * 0.5
+
+        focus: true
+        anchors.fill: parent
+        // Make sure to define the input aspect if we want to handle inputs
+        aspects: ["render", "input"]
+        multisample: false
+
+        Entity { // Root
+            id: sceneRoot
+            components: [
+                RenderSettings {
+                    activeFrameGraph: ForwardRenderer {
+                        id: forwardRenderer
+                        camera: mainCamera
+                        clearColor: "yellow"
+                    }
+                },
+                // Event Source is the Scene3D in that case
+                InputSettings { }
+            ]
+
+            Camera {
+                id: mainCamera
+                projectionType: CameraLens.PerspectiveProjection
+                fieldOfView: 45
+                nearPlane : 0.1
+                farPlane : 1000.0
+                position: Qt.vector3d( 0.0, 0.0, -40.0 )
+                upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
+                viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
+            }
+
+            PhongMaterial {
+                id: material
+            }
+
+            TorusMesh {
+                id: torusMesh
+                radius: 5
+                minorRadius: 1
+                rings: 100
+                slices: 20
+            }
+
+            SphereMesh {
+                id: sphereMesh
+                radius: 3
+            }
+
+            Transform {
+                id: torusTransform
+                scale3D: Qt.vector3d(1.5, 1, 0.5)
+                rotation: fromAxisAndAngle(Qt.vector3d(1, 0, 0), 45)
+            }
+
+            Transform {
+                id: sphereTransform
+                property real userAngle: 0.0
+                matrix: {
+                    var m = Qt.matrix4x4();
+                    m.rotate(userAngle, Qt.vector3d(0, 1, 0));
+                    m.translate(Qt.vector3d(20, 0, 0));
+                    return m;
+                }
+
+                onWorldMatrixChanged: console.log("Sphere WorldMatrix " + worldMatrix)
+            }
+
+            NumberAnimation {
+                target: sphereTransform
+                property: "userAngle"
+                duration: 1000
+                from: 0
+                to: 360
+                loops: Animation.Infinite
+                running: true
+            }
+
+            Entity {
+                id: torusEntity
+                components: [ torusMesh, material, torusTransform ]
+            }
+            Entity {
+                id: sphereEntity
+                components: [ sphereMesh, material, sphereTransform ]
+            }
+        }
+    }
+}
diff --git a/tests/manual/scene3d-visibility/scene3d-visibility.pro b/tests/manual/scene3d-visibility/scene3d-visibility.pro
new file mode 100644
index 000000000..a1c20a502
--- /dev/null
+++ b/tests/manual/scene3d-visibility/scene3d-visibility.pro
@@ -0,0 +1,10 @@
+QT += qml quick 3dinput
+
+SOURCES += \
+    main.cpp
+
+OTHER_FILES += \
+    main.qml
+
+RESOURCES += \
+    scene3d-visibility.qrc
diff --git a/tests/manual/scene3d-visibility/scene3d-visibility.qrc b/tests/manual/scene3d-visibility/scene3d-visibility.qrc
new file mode 100644
index 000000000..5f6483ac3
--- /dev/null
+++ b/tests/manual/scene3d-visibility/scene3d-visibility.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>