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39
40#ifndef QOPENGLTIMERQUERY_H
41#define QOPENGLTIMERQUERY_H
42
43#include <QtGui/qtguiglobal.h>
44
45#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2)
46
47#include <QtCore/QObject>
48#include <QtGui/qopengl.h>
49
50QT_BEGIN_NAMESPACE
51
52class QOpenGLTimerQueryPrivate;
53
54class Q_GUI_EXPORT QOpenGLTimerQuery : public QObject
55{
56 Q_OBJECT
57
58public:
59 explicit QOpenGLTimerQuery(QObject *parent = nullptr);
60 ~QOpenGLTimerQuery();
61
62 bool create();
63 void destroy();
64 bool isCreated() const;
65 GLuint objectId() const;
66
67 void begin();
68 void end();
69 GLuint64 waitForTimestamp() const;
70 void recordTimestamp();
71 bool isResultAvailable() const;
72 GLuint64 waitForResult() const;
73
74private:
75 Q_DECLARE_PRIVATE(QOpenGLTimerQuery)
76 Q_DISABLE_COPY(QOpenGLTimerQuery)
77};
78
79
80class QOpenGLTimeMonitorPrivate;
81
82class Q_GUI_EXPORT QOpenGLTimeMonitor : public QObject
83{
84 Q_OBJECT
85
86public:
87 explicit QOpenGLTimeMonitor(QObject *parent = nullptr);
88 ~QOpenGLTimeMonitor();
89
90 void setSampleCount(int sampleCount);
91 int sampleCount() const;
92
93 bool create();
94 void destroy();
95 bool isCreated() const;
96 QVector<GLuint> objectIds() const;
97
98 int recordSample();
99
100 bool isResultAvailable() const;
101
102 QVector<GLuint64> waitForSamples() const;
103 QVector<GLuint64> waitForIntervals() const;
104
105 void reset();
106
107private:
108 Q_DECLARE_PRIVATE(QOpenGLTimeMonitor)
109 Q_DISABLE_COPY(QOpenGLTimeMonitor)
110};
111
112QT_END_NAMESPACE
113
114#endif // QT_NO_OPENGL
115
116#endif // QOPENGLTIMERQUERY_H
117