Add manual tests to check the use of multiple QQuickWidgets

Change-Id: Ib0a9ccaeb543f91da76e479f23bc59e868fbd2c7
Reviewed-by: Mike Krus <mike.krus@kdab.com>
(cherry picked from commit ff59b0dc9e6a88b08b615d2f8805ffd024b95785)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

5 files changed, 233 insertions, 0 deletions

diff --git a/tests/manual/CMakeLists.txt b/tests/manual/CMakeLists.txt
index 71e4587f0..ee06b5b9b 100644
--- a/tests/manual/CMakeLists.txt
+++ b/tests/manual/CMakeLists.txt
@@ -97,3 +97,6 @@ endif()
 if(TARGET Qt::QuickWidgets)
     add_subdirectory(quickwidget-switch)
 endif()
+if(TARGET Qt::Quick AND TARGET Qt::QuickWidgets)
+    add_subdirectory(multi-qquickwidgets-scene3d)
+endif()
diff --git a/tests/manual/multi-qquickwidgets-scene3d/CMakeLists.txt b/tests/manual/multi-qquickwidgets-scene3d/CMakeLists.txt
new file mode 100644
index 000000000..0c36c5267
--- /dev/null
+++ b/tests/manual/multi-qquickwidgets-scene3d/CMakeLists.txt
@@ -0,0 +1,34 @@
+# Copyright (C) 2022 Klaralvdalens Datakonsult AB (KDAB).
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## multi-qquickwidgets-scene3d Binary:
+#####################################################################
+
+qt_internal_add_manual_test(multi-qquickwidgets-scene3d
+    GUI
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::3DCore
+        Qt::3DExtras
+        Qt::3DInput
+        Qt::3DRender
+        Qt::Gui
+        Qt::Quick
+        Qt::Widgets
+        Qt::QuickWidgets
+)
+
+# Resources:
+set(multi-qquickwidgets-scene3d_resource_files
+    "main.qml"
+    "main2.qml"
+)
+
+qt_internal_add_resource(multi-qquickwidgets-scene3d "multi-qquickwidgets-scene3d"
+    PREFIX
+        "/"
+    FILES
+        ${multi-qquickwidgets-scene3d_resource_files}
+)
diff --git a/tests/manual/multi-qquickwidgets-scene3d/main.cpp b/tests/manual/multi-qquickwidgets-scene3d/main.cpp
new file mode 100644
index 000000000..f7a5f2ad5
--- /dev/null
+++ b/tests/manual/multi-qquickwidgets-scene3d/main.cpp
@@ -0,0 +1,60 @@
+// Copyright (C) 2022 Klaralvdalens Datakonsult AB (KDAB).
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QGuiApplication>
+
+#include <Qt3DCore/qentity.h>
+#include <QtGui/QScreen>
+
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QSlider>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QPushButton>
+
+#include <QMainWindow>
+#include <QQuickWidget>
+
+int main(int argc, char **argv)
+{
+    qputenv("QT3D_RENDERER", "opengl");
+    qputenv("QSG_RHI_BACKEND", "opengl");
+
+    QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
+    QCoreApplication::setAttribute(Qt::AA_UseDesktopOpenGL);
+
+    QSurfaceFormat format(QSurfaceFormat::defaultFormat());
+    format.setVersion(3, 3);
+    format.setProfile(QSurfaceFormat::CoreProfile);
+    format.setSamples(4);
+    format.setDepthBufferSize(24);
+    format.setStencilBufferSize(8);
+    format.setSwapInterval(0);   // 0 = vsync off
+    QSurfaceFormat::setDefaultFormat(format);
+
+    QApplication app(argc, argv);
+
+    QMainWindow mainWindow;
+
+    QQuickWidget *widget1 = new QQuickWidget();
+    widget1->resize(QSize(400, 400));
+    widget1->setResizeMode(QQuickWidget::SizeRootObjectToView);
+    widget1->setSource(QUrl("qrc:/main.qml"));
+
+    QQuickWidget *widget2 = new QQuickWidget();
+    widget2->resize(QSize(400, 400));
+    widget2->setResizeMode(QQuickWidget::SizeRootObjectToView);
+    widget2->setSource(QUrl("qrc:/main2.qml"));
+
+    auto centralWidget = new QWidget;
+    auto layout = new QHBoxLayout;
+    layout->addWidget(widget1);
+    layout->addWidget(widget2);
+    centralWidget->setLayout(layout);
+    mainWindow.setCentralWidget(centralWidget);
+
+    mainWindow.show();
+
+    return app.exec();
+}
diff --git a/tests/manual/multi-qquickwidgets-scene3d/main.qml b/tests/manual/multi-qquickwidgets-scene3d/main.qml
new file mode 100644
index 000000000..850c3aedc
--- /dev/null
+++ b/tests/manual/multi-qquickwidgets-scene3d/main.qml
@@ -0,0 +1,68 @@
+// Copyright (C) 2022 Klaralvdalens Datakonsult AB (KDAB).
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick 6.0 as QQ2
+import Qt3D.Core 2.15
+import Qt3D.Render 2.15
+import Qt3D.Input 2.15
+import Qt3D.Extras 2.15
+import QtQuick.Scene3D 2.15
+
+QQ2.Item {
+    width: 300
+    height: 300
+
+    Scene3D {
+        id: scene3d
+        anchors.fill: parent
+        aspects: ["render", "input", "logic"]
+
+        Entity {
+            id: sceneRoot
+
+            Camera {
+                id: camera
+                projectionType: CameraLens.PerspectiveProjection
+                fieldOfView: 45
+                aspectRatio: scene3d.width / scene3d.height
+                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 )
+            }
+
+            OrbitCameraController {
+                camera: camera
+            }
+
+            components: [
+                RenderSettings {
+                    activeFrameGraph: ForwardRenderer {
+                        clearColor: Qt.rgba(0.5, 0.0, 1, 1)
+                        camera: camera
+                        showDebugOverlay: true
+                    }
+                    renderPolicy: RenderSettings.OnDemand
+                },
+                InputSettings { }
+            ]
+
+            Entity {
+                components: [
+                    PhongMaterial {},
+                    TorusMesh {
+                        radius: 5
+                        minorRadius: 1
+                        rings: 100
+                        slices: 20
+                    },
+                    Transform {
+                        scale3D: Qt.vector3d(1.5, 1, 0.5)
+                        rotation: fromAxisAndAngle(Qt.vector3d(1, 0, 0), 45)
+                    }
+                ]
+            }
+        }
+    }
+}
diff --git a/tests/manual/multi-qquickwidgets-scene3d/main2.qml b/tests/manual/multi-qquickwidgets-scene3d/main2.qml
new file mode 100644
index 000000000..dd94d1f6e
--- /dev/null
+++ b/tests/manual/multi-qquickwidgets-scene3d/main2.qml
@@ -0,0 +1,68 @@
+// Copyright (C) 2022 Klaralvdalens Datakonsult AB (KDAB).
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick 6.0 as QQ2
+import Qt3D.Core 2.15
+import Qt3D.Render 2.15
+import Qt3D.Input 2.15
+import Qt3D.Extras 2.15
+import QtQuick.Scene3D 2.15
+
+QQ2.Item {
+    width: 300
+    height: 300
+
+    Scene3D {
+        id: scene3d
+        anchors.fill: parent
+        aspects: ["render", "input", "logic"]
+
+        Entity {
+            id: sceneRoot
+
+            Camera {
+                id: camera
+                projectionType: CameraLens.PerspectiveProjection
+                fieldOfView: 45
+                aspectRatio: scene3d.width / scene3d.height
+                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 )
+            }
+
+            OrbitCameraController {
+                camera: camera
+            }
+
+            components: [
+                RenderSettings {
+                    activeFrameGraph: ForwardRenderer {
+                        clearColor: Qt.rgba(0, 0.5, 1, 1)
+                        camera: camera
+                        showDebugOverlay: true
+                    }
+                    renderPolicy: RenderSettings.OnDemand
+                },
+                InputSettings { }
+            ]
+
+            Entity {
+                components: [
+                    PhongMaterial {},
+                    TorusMesh {
+                        radius: 5
+                        minorRadius: 1
+                        rings: 100
+                        slices: 20
+                    },
+                    Transform {
+                        scale3D: Qt.vector3d(1.5, 1, 0.5)
+                        rotation: fromAxisAndAngle(Qt.vector3d(1, 0, 0), 45)
+                    }
+                ]
+            }
+        }
+    }
+}