ork::GPUTimer Class Reference
[core]
A timer to measure time and time intervals on GPU. More...
#include <GPUTimer.h>
Inheritance diagram for ork::GPUTimer:
Public Member Functions | |
| GPUTimer () | |
| Creates a new GPUTimer. | |
| virtual | ~GPUTimer () |
| Destroys this timer. | |
| virtual double | start () |
| Starts this timer and returns the current time in micro seconds. | |
| virtual double | end () |
| Returns the delay since the last call to start() in micro seconds. | |
| virtual double | getTime () |
| See Timer::getTime(). | |
| virtual double | getAvgTime () |
| See Timer::getAvgTime(). | |
Protected Member Functions | |
| void | getQueryResult () |
| Returns the result of the query query. | |
Protected Attributes | |
| unsigned int | query |
| GPU query used to measure time on GPU. | |
Detailed Description
A timer to measure time and time intervals on GPU.
Since GPU computations are asynchroneous, we can't just use CPU time to check the duration of an operation.
Constructor & Destructor Documentation
| ork::GPUTimer::GPUTimer | ( | ) |
Creates a new GPUTimer.
| virtual ork::GPUTimer::~GPUTimer | ( | ) | [virtual] |
Destroys this timer.
Member Function Documentation
| virtual double ork::GPUTimer::end | ( | ) | [virtual] |
Returns the delay since the last call to start() in micro seconds.
Reimplemented from ork::Timer.
| virtual double ork::GPUTimer::getAvgTime | ( | ) | [virtual] |
See Timer::getAvgTime().
Reimplemented from ork::Timer.
| void ork::GPUTimer::getQueryResult | ( | ) | [protected] |
Returns the result of the query query.
| virtual double ork::GPUTimer::getTime | ( | ) | [virtual] |
See Timer::getTime().
Reimplemented from ork::Timer.
| virtual double ork::GPUTimer::start | ( | ) | [virtual] |
Starts this timer and returns the current time in micro seconds.
Reimplemented from ork::Timer.
Member Data Documentation
unsigned int ork::GPUTimer::query [protected] |
GPU query used to measure time on GPU.
