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50
51#include <QApplication>
52#include <QtQml/QQmlContext>
53#include <QtQuick/QQuickView>
54#include <Qt3DRender/QAbstractTexture>
55#include <QWindow>
56#include <QTimer>
57
58#include <QQuickView>
59#include "videoplayer.h"
60
61
62template<typename Obj>
63QHash<int, QString> enumToNameMap(const char *enumName)
64{
65 const QMetaObject metaObj = Obj::staticMetaObject;
66 const int indexOfEnum = metaObj.indexOfEnumerator(name: enumName);
67 const QMetaEnum metaEnum = metaObj.enumerator(index: indexOfEnum);
68 const int keysCount = metaEnum.keyCount();
69
70 QHash<int, QString> v;
71 v.reserve(asize: keysCount);
72 for (int i = 0; i < keysCount; ++i)
73 v[metaEnum.value(index: i)] = metaEnum.key(index: i);
74 return v;
75}
76
77
78class EnumNameMapper : public QObject
79{
80 Q_OBJECT
81
82public:
83 Q_INVOKABLE QString statusName(int v) const { return m_statusMap.value(akey: v); }
84 Q_INVOKABLE QString formatName(int v) const { return m_formatMap.value(akey: v); }
85 Q_INVOKABLE QString targetName(int v) const { return m_targetMap.value(akey: v); }
86
87private:
88 const QHash<int, QString> m_statusMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "Status");
89 const QHash<int, QString> m_formatMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "TextureFormat");
90 const QHash<int, QString> m_targetMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "Target");
91};
92
93int main(int argc, char* argv[])
94{
95 QSurfaceFormat format = QSurfaceFormat::defaultFormat();
96 format.setMajorVersion(4);
97 format.setMinorVersion(5);
98 format.setDepthBufferSize(16);
99 format.setStencilBufferSize(8);
100 format.setProfile(QSurfaceFormat::CoreProfile);
101 format.setRenderableType(QSurfaceFormat::OpenGL);
102 QSurfaceFormat::setDefaultFormat(format);
103
104
105 // Make the OpenGLWidget's shared context be qt_gl_global_share_context
106 QApplication::setAttribute(attribute: Qt::AA_ShareOpenGLContexts);
107 QApplication app(argc, argv);
108
109 // Multimedia player
110 TextureWidget textureWidget;
111 VideoPlayer *videoPlayer = new VideoPlayer(&textureWidget);
112
113 textureWidget.resize(w: 800, h: 600);
114 textureWidget.show();
115
116 // Qt3D QtQuick Scene (uses qt_global_share_context by default)
117 QQuickView view;
118 QQmlContext *ctx = view.rootContext();
119 EnumNameMapper mapper;
120 ctx->setContextProperty(QStringLiteral("_nameMapper"), &mapper);
121 ctx->setContextProperty(QStringLiteral("_textureWidget"), &textureWidget);
122
123 view.resize(w: 800, h: 600);
124 view.setSource(QUrl("qrc:/main.qml"));
125 view.show();
126
127 return app.exec();
128}
129
130#include "main.moc"
131

source code of qt3d/tests/manual/sharedtextureqml/main.cpp