Stats.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _STATS_H
#define _STATS_H
 
#include "PerfStats.h"
 
#include "SDL_stdinc.h"
#include <utility>
#include <vector>
 
namespace Graphics {
 
    class Stats : protected Perf::Stats {
    public:
        static const Uint32 MAX_FRAMES_STORE = 30U;
        enum StatType {
            // renderer entries
            STAT_DRAWCALL = 0,
            STAT_DRAWTRIS,
            STAT_DRAWPOINTSPRITES,
 
            // buffers
            STAT_CREATE_BUFFER,
            STAT_DESTROY_BUFFER,
            STAT_BUFFER_INUSE,
 
            // objects
            STAT_BUILDINGS,
            STAT_CITIES,
            STAT_GROUNDSTATIONS,
            STAT_SPACESTATIONS,
            STAT_ATMOSPHERES,
            STAT_PATCHES,
            STAT_PLANETS,
            STAT_GASGIANTS,
            STAT_STARS,
            STAT_SHIPS,
 
            // scenegraph entries
            STAT_BILLBOARD,
 
            // resource utilization stats
            STAT_NUM_TEXTURE2D,
            STAT_MEM_TEXTURE2D,
            STAT_NUM_TEXTURECUBE,
            STAT_MEM_TEXTURECUBE,
            STAT_NUM_TEXTUREARRAY2D,
            STAT_MEM_TEXTUREARRAY2D,
 
            MAX_STAT
        };
 
        struct TFrameData {
            uint32_t m_stats[MAX_STAT];
        };
 
        Stats();
        ~Stats() {}
 
        void AddToStatCount(const StatType type, const uint32_t count) const
        {
            CounterAdd(m_counterRefs.at(type), count);
        }
 
        void DecStatCount(const StatType type, const uint32_t count) const
        {
            CounterDec(m_counterRefs.at(type), count);
        }
 
        void SetStatCount(const StatType type, const uint32_t count) const
        {
            CounterSet(m_counterRefs.at(type), count);
        }
 
        void NextFrame();
 
        const TFrameData &FrameStatsPrevious() const;
        const FrameInfo &GetFullStats() const { return GetFrameStats(); }
 
    private:
        TFrameData m_frameStats[MAX_FRAMES_STORE];
        Uint32 m_currentFrame;
 
        std::vector<Perf::Stats::CounterRef> m_counterRefs;
    };
 
} // namespace Graphics
 
#endif