forked from dolphin-emu/dolphin
51 lines
1.0 KiB
C++
51 lines
1.0 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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#define FPS_REFRESH_INTERVAL 1000
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FPSCounter::FPSCounter()
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: m_fps(0)
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, m_counter(0)
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, m_fps_last_counter(0)
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{
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m_update_time.Update();
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m_render_time.Update();
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}
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void FPSCounter::LogRenderTimeToFile(u64 val)
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{
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if (!m_bench_file.is_open())
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m_bench_file.open(File::GetUserPath(D_LOGS_IDX) + "render_time.txt");
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m_bench_file << val << std::endl;
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}
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int FPSCounter::Update()
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{
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if (m_update_time.GetTimeDifference() >= FPS_REFRESH_INTERVAL)
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{
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m_update_time.Update();
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m_fps = m_counter - m_fps_last_counter;
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m_fps_last_counter = m_counter;
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m_bench_file.flush();
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}
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if (g_ActiveConfig.bLogRenderTimeToFile)
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{
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LogRenderTimeToFile(m_render_time.GetTimeDifference());
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m_render_time.Update();
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}
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m_counter++;
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return m_fps;
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}
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