/* * The ManaPlus Client * Copyright (C) 2018 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * 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 of the License, or * 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 this program. If not, see <http://www.gnu.org/licenses/>. */ #include "utils/perfstat.h" #include "utils/cast.h" #include "logger.h" #include "debug.h" PerfStats perfStats[PERFSTAT_MAX]; size_t perfFrameId = 0; size_t prevPerfFrameId = PERFSTAT_MAX; int *perfFrame = &perfStats[perfFrameId].ticks[0]; PerfStats worstFrameStats; int worstTime = -1; int skipPerfFrames = -1; namespace Perf { void init() { logger->log("perf stats init"); worstTime = -1; perfFrameId = 0; prevPerfFrameId = 0; for (size_t f = 0; f < PERFSTAT_LAST_STAT; f ++) { worstFrameStats.ticks[f] = 0; } for (size_t f = 0; f < PERFSTAT_MAX; f ++) { PerfStats &perf = perfStats[f]; for (size_t d = 0; d < PERFSTAT_LAST_STAT; d ++) { perf.ticks[d] = 0; } } skipPerfFrames = 0; } void nextFrame() { if (skipPerfFrames > 0) { skipPerfFrames --; // logger->log("skip frames: %d", skipPerfFrames); return; } else if (skipPerfFrames < 0) { return; } prevPerfFrameId = perfFrameId; perfFrameId ++; if (perfFrameId >= PERFSTAT_MAX) { perfFrameId = 0; selectWorstFrame(); } perfFrame = &perfStats[perfFrameId].ticks[0]; } void selectWorstFrame() { int time = worstTime; int index = -1; for (size_t f = 0; f < PERFSTAT_MAX; f ++) { if (f == perfFrameId) continue; const int time1 = Perf::getTime(f, PERFSTAT_FPS_STAT - 1); if (time1 > time) { time = time1; index = CAST_S32(f); } } if (index >= 0) { worstFrameStats = perfStats[index]; logger->log("worst frame: %d, %d", perfStats[index].ticks[PERFSTAT_FPS_STAT - 1] - perfStats[index].ticks[0], worstFrameStats.ticks[PERFSTAT_FPS_STAT - 1] - worstFrameStats.ticks[0]); worstTime = time; } } int getTime(const size_t frameId, const size_t counterId) { const PerfStats &perf = perfStats[frameId]; const int val1 = perf.ticks[0]; const int val2 = perf.ticks[counterId]; if (val2 >= val1) return val2 - val1; return val1 - val2; } int getWorstTime(const size_t counterId) { const int val1 = worstFrameStats.ticks[0]; const int val2 = worstFrameStats.ticks[counterId]; if (val2 >= val1) return val2 - val1; return val1 - val2; } } // namespace Perf