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& renderPrep,
                            std::chrono::nanoseconds& renderSubmit,
                            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;
};
 
} // namespace a3d
 
#endif // AVARA3D_PROFILE_FRAMESTATSHISTORY_H