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39
40#ifndef QSGCONTEXTPLUGIN_H
41#define QSGCONTEXTPLUGIN_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <private/qtquickglobal_p.h>
55#include <QtQuick/qquickimageprovider.h>
56#include <QtCore/qplugin.h>
57#include <QtCore/qfactoryinterface.h>
58
59QT_BEGIN_NAMESPACE
60
61class QSGContext;
62
63class QSGRenderLoop;
64
65struct Q_QUICK_PRIVATE_EXPORT QSGContextFactoryInterface : public QFactoryInterface
66{
67 enum Flag {
68 SupportsShaderEffectNode = 0x01
69 };
70 Q_DECLARE_FLAGS(Flags, Flag)
71
72 virtual QSGContext *create(const QString &key) const = 0;
73 virtual Flags flags(const QString &key) const = 0;
74
75 virtual QQuickTextureFactory *createTextureFactoryFromImage(const QImage &image) = 0;
76 virtual QSGRenderLoop *createWindowManager() = 0;
77};
78
79Q_DECLARE_OPERATORS_FOR_FLAGS(QSGContextFactoryInterface::Flags)
80
81#define QSGContextFactoryInterface_iid \
82 "org.qt-project.Qt.QSGContextFactoryInterface"
83Q_DECLARE_INTERFACE(QSGContextFactoryInterface, QSGContextFactoryInterface_iid)
84
85class Q_QUICK_PRIVATE_EXPORT QSGContextPlugin : public QObject, public QSGContextFactoryInterface
86{
87 Q_OBJECT
88 Q_INTERFACES(QSGContextFactoryInterface:QFactoryInterface)
89public:
90 explicit QSGContextPlugin(QObject *parent = nullptr);
91 virtual ~QSGContextPlugin();
92
93 QStringList keys() const override = 0;
94
95 QQuickTextureFactory *createTextureFactoryFromImage(const QImage &) override { return nullptr; }
96 QSGRenderLoop *createWindowManager() override { return nullptr; }
97};
98
99QT_END_NAMESPACE
100
101#endif // QSGCONTEXTPLUGIN_H
102

source code of qtdeclarative/src/quick/scenegraph/qsgcontextplugin_p.h