GSPerfMon.cpp
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上传日期:2015-12-05
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文件大小:3k
- /*
- * Copyright (C) 2003-2005 Gabest
- * http://www.gabest.org
- *
- * This Program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This Program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- */
- #include "StdAfx.h"
- #include "GSPerfMon.h"
- #if _MSC_VER >= 1400
- extern "C" unsigned __int64 __rdtsc();
- #else
- __declspec(naked) unsigned __int64 __rdtsc() {__asm rdtsc __asm ret}
- #endif
- GSPerfMon::GSPerfMon()
- : m_total(0), m_begin(0)
- , m_frame(0), m_lastframe(0)
- {
- }
- void GSPerfMon::IncCounter(counter_t c, double val)
- {
- if(c == c_frame)
- {
- clock_t now = clock();
- if(m_lastframe != 0)
- m_counters[c].AddTail(now - m_lastframe);
- m_lastframe = now;
- m_frame++;
- }
- else
- {
- m_counters[c].AddTail(val);
- }
- }
- void GSPerfMon::StartTimer()
- {
- m_start = __rdtsc();
- if(m_begin == 0) m_begin = m_start;
- }
- void GSPerfMon::StopTimer()
- {
- if(m_start > 0)
- {
- m_total += __rdtsc() - m_start;
- m_start = 0;
- }
- }
- CString GSPerfMon::ToString(double expected_fps)
- {
- if(m_counters[c_frame].IsEmpty())
- return _T("");
- double stats[c_last];
- for(int i = 0; i < countof(m_counters); i++)
- {
- double sum = 0;
- POSITION pos = m_counters[i].GetHeadPosition();
- while(pos) sum += m_counters[i].GetNext(pos);
- stats[i] = sum / m_counters[c_frame].GetCount();
- }
- UINT64 start = m_start;
- if(start > 0) StopTimer();
- double fps = 1000.0 / stats[c_frame];
- double cpu = 100.0 * m_total / (__rdtsc() - m_begin);
- CString str;
- str.Format(_T("frame: %I64d | cpu: %d%% | %.2f fps (%d%%) | %d ppf | %.2f kbpf | %.2f kbpf | %.2f kbpf"),
- m_frame,
- (int)(cpu),
- (float)(fps),
- (int)(100.0 * fps / expected_fps),
- (int)(stats[c_prim]),
- (float)(stats[c_swizzle] / 1024),
- (float)(stats[c_unswizzle] / 1024),
- (float)(stats[c_texture] / 1024));
- for(int i = 0; i < countof(m_counters); i++)
- m_counters[i].RemoveAll();
- m_total = m_begin = 0;
- if(start > 0) StartTimer();
- return str;
- }