src/ngfx/core/Timer.cpp

Source code

/*
 * Copyright 2020 GoPro Inc.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
#include "ngfx/core/Timer.h"
#include "ngfx/core/DebugUtil.h"
using namespace ngfx;
using namespace std::chrono;

Timer::Timer() { t0 = system_clock::now(); }
void Timer::update() {
  auto t1 = system_clock::now();
  elapsed = duration_cast<nanoseconds>(t1 - t0).count() / float(1e9);
  t0 = t1;
}

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Updated on 3 April 2021 at 20:21:51 PDT