mirror of
https://github.com/dhewm/dhewm3.git
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280c95b52c
The class is only used for debugging and statistical purposes. The precision is now reduced to milliseconds, but that's only relevant for fine grained debug timings - where the old code was inaccurate at anyway.
207 lines
4.7 KiB
C++
207 lines
4.7 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef __TIMER_H__
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#define __TIMER_H__
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#include "idlib/containers/StrList.h"
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#include "idlib/Lib.h"
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#include "sys/sys_public.h"
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/*
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===============================================================================
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Clock tick counter. Should only be used for profiling.
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===============================================================================
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*/
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class idTimer {
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public:
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idTimer( void );
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idTimer( unsigned int ms );
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~idTimer( void );
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idTimer operator+( const idTimer &t ) const;
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idTimer operator-( const idTimer &t ) const;
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idTimer & operator+=( const idTimer &t );
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idTimer & operator-=( const idTimer &t );
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void Start( void );
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void Stop( void );
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void Clear( void );
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unsigned int Milliseconds( void ) const;
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private:
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enum {
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TS_STARTED,
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TS_STOPPED
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} state;
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unsigned int start;
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unsigned int ms;
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};
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/*
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=================
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idTimer::idTimer
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=================
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*/
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ID_INLINE idTimer::idTimer( void ) {
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state = TS_STOPPED;
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ms = 0;
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}
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/*
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=================
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idTimer::idTimer
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=================
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*/
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ID_INLINE idTimer::idTimer( unsigned int _ms ) {
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state = TS_STOPPED;
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ms = _ms;
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}
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/*
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=================
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idTimer::~idTimer
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=================
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*/
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ID_INLINE idTimer::~idTimer( void ) {
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}
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/*
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=================
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idTimer::operator+
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=================
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*/
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ID_INLINE idTimer idTimer::operator+( const idTimer &t ) const {
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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return idTimer( ms + t.ms );
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}
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/*
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=================
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idTimer::operator-
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=================
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*/
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ID_INLINE idTimer idTimer::operator-( const idTimer &t ) const {
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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return idTimer( ms - t.ms );
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}
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/*
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=================
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idTimer::operator+=
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=================
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*/
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ID_INLINE idTimer &idTimer::operator+=( const idTimer &t ) {
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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ms += t.ms;
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return *this;
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}
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/*
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=================
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idTimer::operator-=
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=================
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*/
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ID_INLINE idTimer &idTimer::operator-=( const idTimer &t ) {
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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ms -= t.ms;
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return *this;
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}
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/*
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=================
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idTimer::Start
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=================
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*/
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ID_INLINE void idTimer::Start( void ) {
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assert( state == TS_STOPPED );
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state = TS_STARTED;
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start = idLib::sys->GetMilliseconds();
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}
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/*
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=================
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idTimer::Stop
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=================
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*/
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ID_INLINE void idTimer::Stop( void ) {
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assert( state == TS_STARTED );
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ms += idLib::sys->GetMilliseconds() - start;
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state = TS_STOPPED;
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}
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/*
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=================
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idTimer::Clear
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=================
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*/
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ID_INLINE void idTimer::Clear( void ) {
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ms = 0;
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}
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/*
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=================
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idTimer::Milliseconds
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=================
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*/
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ID_INLINE unsigned int idTimer::Milliseconds( void ) const {
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assert( state == TS_STOPPED );
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return ms;
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}
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/*
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===============================================================================
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Report of multiple named timers.
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===============================================================================
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*/
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class idTimerReport {
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public:
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idTimerReport( void );
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~idTimerReport( void );
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void SetReportName( const char *name );
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int AddReport( const char *name );
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void Clear( void );
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void Reset( void );
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void PrintReport( void );
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void AddTime( const char *name, idTimer *time );
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private:
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idList<idTimer*>timers;
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idStrList names;
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idStr reportName;
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};
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#endif /* !__TIMER_H__ */
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