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Timer.h
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1 /* Copyright (c) 2012-2017, ARM Limited and Contributors
2  *
3  * SPDX-License-Identifier: MIT
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20 
21 #ifndef TIMER_H
22 #define TIMER_H
23 
24 #include <cstdio>
25 
26 #if defined(_WIN32)
27 #else
28 #include <sys/time.h>
29 #endif
30 
31 namespace MaliSDK
32 {
37  class Timer
38  {
39  private:
41  float fps;
42  float lastTime;
43  #if defined(_WIN32)
44  double resetStamp;
45  double invFreq;
46  float lastInterval;
47  float lastFpsUpdate;
48  #else
49  timeval startTime;
50  timeval currentTime;
52  float fpsTime;
53  #endif
54  public:
58  Timer();
59 
63  void reset();
64 
69  float getTime();
70 
77  float getInterval();
78 
85  float getFPS();
86 
93  bool isTimePassed(float seconds = 1.0f);
94  };
95 }
96 #endif /* TIMER_H */
Timer()
Default Constructor.
Definition: Timer.cpp:84
float getTime()
Returns the time passed since object creation or since reset() was last called.
Definition: Timer.cpp:109
float getFPS()
Returns the FPS (Frames Per Second).
Definition: Timer.cpp:125
Provides a platform independent high resolution timer.
Definition: Timer.h:37
float fps
Definition: Timer.h:41
void reset()
Resets the timer to 0.0f.
Definition: Timer.cpp:100
timeval currentTime
Definition: Timer.h:50
float lastTime
Definition: Timer.h:42
GLfloat GLfloat f
Definition: gl2ext.h:2707
timeval startTime
Definition: Timer.h:49
float getInterval()
Returns the time passed since getInterval() was last called.
Definition: Timer.cpp:117
float lastIntervalTime
Definition: Timer.h:51
float fpsTime
Definition: Timer.h:52
int frameCount
Definition: Timer.h:40
bool isTimePassed(float seconds=1.0f)
Tests if 'seconds' seconds have passed since reset() or this method was called.
Definition: Timer.cpp:141