51 lines
1.2 KiB
C++
51 lines
1.2 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 "FPSCounter.h"
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#include "FileUtil.h"
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#include "Timer.h"
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#include "VideoConfig.h"
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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 File::IOFile s_bench_file;
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void InitFPSCounter()
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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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if (s_bench_file.IsOpen())
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s_bench_file.Close();
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}
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static void LogFPSToFile(unsigned long val)
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{
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if (!s_bench_file.IsOpen())
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s_bench_file.Open(File::GetUserPath(D_LOGS_IDX) + "fps.txt", "w");
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char buffer[256];
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snprintf(buffer, 256, "%ld\n", val);
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s_bench_file.WriteArray(buffer, strlen(buffer));
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}
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int UpdateFPSCounter()
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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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s_counter++;
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return s_fps;
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} |