mirror of
https://github.com/libretro/RetroArch.git
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103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PERFORMANCE_COUNTERS_H
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#define _PERFORMANCE_COUNTERS_H
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#include <stdint.h>
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#include <boolean.h>
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#include <retro_common_api.h>
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#include <libretro.h>
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#include <features/features_cpu.h>
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RETRO_BEGIN_DECLS
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#ifndef MAX_COUNTERS
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#define MAX_COUNTERS 64
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#endif
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typedef struct rarch_timer
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{
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int64_t current;
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int64_t timeout_us;
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int64_t timeout_end;
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bool timer_begin;
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bool timer_end;
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} rarch_timer_t;
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struct retro_perf_counter **retro_get_perf_counter_rarch(void);
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struct retro_perf_counter **retro_get_perf_counter_libretro(void);
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unsigned retro_get_perf_count_rarch(void);
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unsigned retro_get_perf_count_libretro(void);
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void performance_counter_register(struct retro_perf_counter *perf);
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void performance_counters_clear(void);
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void rarch_perf_register(struct retro_perf_counter *perf);
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#define performance_counter_init(perf, name) \
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perf.ident = name; \
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if (!perf.registered) \
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rarch_perf_register(&perf)
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#define performance_counter_start_internal(is_perfcnt_enable, perf) \
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if ((is_perfcnt_enable)) \
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{ \
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perf.call_cnt++; \
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perf.start = cpu_features_get_perf_counter(); \
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}
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#define performance_counter_stop_internal(is_perfcnt_enable, perf) \
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if ((is_perfcnt_enable)) \
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perf.total += cpu_features_get_perf_counter() - perf.start
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/**
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* performance_counter_start:
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* @perf : pointer to performance counter
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*
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* Start performance counter.
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**/
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#define performance_counter_start_plus(is_perfcnt_enable, perf) performance_counter_start_internal(is_perfcnt_enable, perf)
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/**
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* performance_counter_stop:
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* @perf : pointer to performance counter
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*
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* Stop performance counter.
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**/
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#define performance_counter_stop_plus(is_perfcnt_enable, perf) performance_counter_stop_internal(is_perfcnt_enable, perf)
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void rarch_timer_tick(rarch_timer_t *timer, retro_time_t current_time);
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bool rarch_timer_is_running(rarch_timer_t *timer);
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bool rarch_timer_has_expired(rarch_timer_t *timer);
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void rarch_timer_begin_new_time_us(rarch_timer_t *timer, uint64_t usec);
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void rarch_timer_end(rarch_timer_t *timer);
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int rarch_timer_get_timeout(rarch_timer_t *timer);
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RETRO_END_DECLS
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#endif
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