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76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <fstream>
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#include "Common/FileUtil.h"
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#include "Common/StringUtil.h"
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#include "Common/Timer.h"
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#include "VideoCommon/FPSCounter.h"
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#include "VideoCommon/VideoConfig.h"
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namespace FPSCounter
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{
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#define FPS_REFRESH_INTERVAL 1000
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static unsigned int s_counter = 0;
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static unsigned int s_fps = 0;
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static unsigned int s_fps_last_counter = 0;
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static unsigned long s_last_update_time = 0;
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static std::ofstream s_bench_file;
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static Common::Timer s_render_time;
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static std::ofstream s_time_file;
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void Initialize()
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{
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s_counter = s_fps_last_counter = 0;
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s_fps = 0;
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s_last_update_time = Common::Timer::GetTimeMs();
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s_render_time.Update();
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if (s_bench_file.is_open())
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s_bench_file.close();
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if (s_time_file.is_open())
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s_time_file.close();
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}
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static void LogFPSToFile(u64 val)
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{
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if (!s_bench_file.is_open())
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s_bench_file.open(File::GetUserPath(D_LOGS_IDX) + "fps.txt");
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s_bench_file << StringFromFormat("%lu\n", val);
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}
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static void LogRenderTimeToFile(u64 val)
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{
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if (!s_time_file.is_open())
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s_time_file.open(File::GetUserPath(D_LOGS_IDX) + "render_time.txt");
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s_time_file << StringFromFormat("%lu\n", val);
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}
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int Update()
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{
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if (Common::Timer::GetTimeMs() - s_last_update_time >= FPS_REFRESH_INTERVAL)
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{
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s_last_update_time = Common::Timer::GetTimeMs();
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s_fps = s_counter - s_fps_last_counter;
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s_fps_last_counter = s_counter;
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if (g_ActiveConfig.bLogFPSToFile)
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LogFPSToFile(s_fps);
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}
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if (g_ActiveConfig.bLogRenderTimeToFile)
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{
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LogRenderTimeToFile(s_render_time.GetTimeDifference());
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s_render_time.Update();
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}
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s_counter++;
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return s_fps;
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}
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} |