mirror of
https://gitea.wildfiregames.com/0ad/0ad.git
synced 2026-07-04 05:47:17 +00:00
Vladislav Belov
7790c0972b
Modern profiling tools provide more details and more precise measurements for more platforms. For simpler cases we have our in-game profiler.
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/* Copyright (C) 2026 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* platform-independent high resolution timer
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*/
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#ifndef INCLUDED_TIMER
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#define INCLUDED_TIMER
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#include "lib/code_annotation.h"
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#include "lib/config2.h" // CONFIG2_TIMER_ALLOW_RDTSC
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#include "lib/debug.h"
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#include "lib/sysdep/arch.h"
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#include <cstdint>
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#include <string>
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#if ARCH_X86_X64 && CONFIG2_TIMER_ALLOW_RDTSC
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# include "lib/sysdep/os_cpu.h" // os_cpu_ClockFrequency
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# include "lib/sysdep/arch/x86_x64/x86_x64.h" // x86_x64::rdtsc
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#endif
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/**
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* timer_Time will subsequently return values relative to the current time.
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**/
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void timer_Init();
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/**
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* @return high resolution (> 1 us) timestamp [s].
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**/
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double timer_Time();
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/**
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* @return resolution [s] of the timer.
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**/
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double timer_Resolution();
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#endif // #ifndef INCLUDED_TIMER
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