dolphin/Source/Core/VideoCommon/FPSCounter.cpp

51 lines
1.0 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <fstream>
#include "Common/FileUtil.h"
#include "Common/StringUtil.h"
#include "Common/Timer.h"
#include "VideoCommon/FPSCounter.h"
#include "VideoCommon/VideoConfig.h"
#define FPS_REFRESH_INTERVAL 1000
FPSCounter::FPSCounter()
: m_fps(0)
, m_counter(0)
, m_fps_last_counter(0)
{
m_update_time.Update();
m_render_time.Update();
}
void FPSCounter::LogRenderTimeToFile(u64 val)
{
if (!m_bench_file.is_open())
m_bench_file.open(File::GetUserPath(D_LOGS_IDX) + "render_time.txt");
m_bench_file << val << std::endl;
}
int FPSCounter::Update()
{
if (m_update_time.GetTimeDifference() >= FPS_REFRESH_INTERVAL)
{
m_update_time.Update();
m_fps = m_counter - m_fps_last_counter;
m_fps_last_counter = m_counter;
m_bench_file.flush();
}
if (g_ActiveConfig.bLogRenderTimeToFile)
{
LogRenderTimeToFile(m_render_time.GetTimeDifference());
m_render_time.Update();
}
m_counter++;
return m_fps;
}