Timer.h

// =====================================================================================================================
// Copyright 2024 Medusa Slockbower
// 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 TIMER_H
#define TIMER_H
 
#include <chrono>
 
namespace OpenShaderDesigner
{
    class Timer
    {
    public:
        Timer() : Start(std::chrono::high_resolution_clock::now()) { }
 
        void Reset() { Start = std::chrono::high_resolution_clock::now(); }
 
        [[nodiscard]] double Poll() const
        { return std::chrono::duration<double>(std::chrono::high_resolution_clock::now() - Start).count(); }
    private:
        std::chrono::high_resolution_clock::time_point Start;
    };
}
 
#endif //TIMER_H