FrameStatsHistory.h

//
//  FrameStatsHistory.h
//  avara3d
//
//  Created by Morgan Davis on 12/6/25.
//  Copyright © 2026 Morgan K Davis. All rights reserved.
//
 
#ifndef AVARA3D_PROFILE_FRAMESTATSHISTORY_H
#define AVARA3D_PROFILE_FRAMESTATSHISTORY_H
 
#include <chrono>
#include <deque>
#include <tuple>
 
#include "a3d/profile/FrameStats.h"
 
namespace a3d {
 
    class FrameStatsHistory {
 
    public:
        // [Internal Types]
 
        using SteadyTimePoint = std::chrono::time_point<std::chrono::steady_clock>;
 
        // [Internal Static Member Functions]
 
        static void GetAverages(const FrameStatsHistory&  history,
                                std::chrono::nanoseconds& frame,
                                std::chrono::nanoseconds& engineCpu,
                                std::chrono::nanoseconds& renderCpu,
                                std::chrono::nanoseconds& renderGpu,
                                std::chrono::nanoseconds& physics,
                                std::chrono::nanoseconds& appCpu,
                                std::chrono::milliseconds averagingDuration);
        // [Internal Lifecycle Functions]
 
        explicit FrameStatsHistory(std::chrono::milliseconds historyTime);
 
        // [Internal Member Functions]
 
        void                                                       add(FrameStats stats);
 
        const std::deque<std::tuple<SteadyTimePoint, FrameStats>>& samples() const;
 
    private:
        // [Private Member Variables]
 
        std::chrono::milliseconds                           _historyTime;
        std::deque<std::tuple<SteadyTimePoint, FrameStats>> _samples;
    };
 
}
 
#endif // AVARA3D_PROFILE_FRAMESTATSHISTORY_H