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39
40#ifndef QSGSOFTWARERENDERLOOP_H
41#define QSGSOFTWARERENDERLOOP_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/qsgrenderloop_p.h>
55
56QT_BEGIN_NAMESPACE
57
58class QBackingStore;
59
60class QSGSoftwareRenderLoop : public QSGRenderLoop
61{
62 Q_OBJECT
63public:
64 QSGSoftwareRenderLoop();
65 ~QSGSoftwareRenderLoop();
66
67 void show(QQuickWindow *window) override;
68 void hide(QQuickWindow *window) override;
69
70 void windowDestroyed(QQuickWindow *window) override;
71
72 void renderWindow(QQuickWindow *window, bool isNewExpose = false);
73 void exposureChanged(QQuickWindow *window) override;
74 QImage grab(QQuickWindow *window) override;
75
76 void maybeUpdate(QQuickWindow *window) override;
77 void update(QQuickWindow *window) override { maybeUpdate(window); } // identical for this implementation.
78 void handleUpdateRequest(QQuickWindow *) override;
79
80 void releaseResources(QQuickWindow *) override { }
81
82 QSurface::SurfaceType windowSurfaceType() const override;
83
84 QAnimationDriver *animationDriver() const override { return 0; }
85
86 QSGContext *sceneGraphContext() const override;
87 QSGRenderContext *createRenderContext(QSGContext *) const override { return rc; }
88
89 struct WindowData {
90 bool updatePending : 1;
91 bool grabOnly : 1;
92 };
93
94 QHash<QQuickWindow *, WindowData> m_windows;
95 QHash<QQuickWindow *, QBackingStore *> m_backingStores;
96
97 QSGContext *sg;
98 QSGRenderContext *rc;
99
100 QImage grabContent;
101};
102
103QT_END_NAMESPACE
104
105#endif // QSGSOFTWARERENDERLOOP_H
106

source code of qtdeclarative/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop_p.h