13754d53c3
- Now they are in ndkHelper:: name space - Changed module name to ndk_helper - Changed some static members to class var or stand alone function - Added syncronization for JNIHelper.cpp - For a documentation, I will work with doc writer for future improvement Change-Id: I0055061a4f53b1904cde2e0339550ee277b35fc5 Addressed most of feedbacks, - Switched coding standard to Chrome style - Update JNI helper, and documented - Fixed other issues that is pointed out Change-Id: Icc729a55ed8dd613759f34a3fc35cb4949d2d205
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/*
|
|
* Copyright 2013 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef PERFMONITOR_H_
|
|
#define PERFMONITOR_H_
|
|
|
|
#include <jni.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include "JNIHelper.h"
|
|
|
|
namespace ndk_helper
|
|
{
|
|
|
|
const int32_t NUM_SAMPLES = 100;
|
|
|
|
/******************************************************************
|
|
* Helper class for a performance monitoring and get current tick time
|
|
*/
|
|
class PerfMonitor
|
|
{
|
|
private:
|
|
float current_FPS_;
|
|
time_t tv_last_sec_;
|
|
|
|
double last_tick_;
|
|
int32_t tickindex_;
|
|
double ticksum_;
|
|
double ticklist_[NUM_SAMPLES];
|
|
|
|
double UpdateTick( double current_tick );
|
|
public:
|
|
PerfMonitor();
|
|
virtual ~PerfMonitor();
|
|
|
|
bool Update( float &fFPS );
|
|
|
|
static double GetCurrentTime()
|
|
{
|
|
struct timeval time;
|
|
gettimeofday( &time, NULL );
|
|
double ret = time.tv_sec + time.tv_usec * 1.0 / 1000000.0;
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
} //namespace ndkHelper
|
|
#endif /* PERFMONITOR_H_ */
|