root/apps/opengl_demo/timer.cpp

DEFINITIONS

1. report

#include <iostream>
#include <sstream>

#include "timer.h"

using namespace Timer;

struct info Timer::start(const std::string &what)
{
    struct info info { what };
    std::cerr << std::endl << "-------------- Starting " << info.what << std::endl;
    info.time = std::chrono::high_resolution_clock::now();
    return info;
}

std::string Timer::report(const struct info &info)
{
    const auto end_time = std::chrono::high_resolution_clock::now();
    const auto ms = std::chrono::duration<double, std::milli>(end_time - info.time).count();
    std::stringstream report;
    report << info.what << ": " << ms << "ms";
    std::cerr << "-------------- Finished " << report.str() << std::endl;
    return report.str();
}