mirror of
https://bitbucket.org/CPMADevs/cnq3
synced 2024-12-02 17:01:50 +00:00
fc9465caab
aside from the speed improvements, this also makes for nicer code in the renderer interaction with libjpeg, thanks to mem_dest support etc
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
|
|
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* - Neither the name of the libjpeg-turbo Project nor the names of its
|
|
* contributors may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifdef _WIN32
|
|
|
|
#include <windows.h>
|
|
|
|
static double getfreq(void)
|
|
{
|
|
LARGE_INTEGER freq;
|
|
if(!QueryPerformanceFrequency(&freq)) return 0.0;
|
|
return (double)freq.QuadPart;
|
|
}
|
|
|
|
static double f=-1.0;
|
|
|
|
double gettime(void)
|
|
{
|
|
LARGE_INTEGER t;
|
|
if(f<0.0) f=getfreq();
|
|
if(f==0.0) return (double)GetTickCount()/1000.;
|
|
else
|
|
{
|
|
QueryPerformanceCounter(&t);
|
|
return (double)t.QuadPart/f;
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
|
|
double gettime(void)
|
|
{
|
|
struct timeval tv;
|
|
if(gettimeofday(&tv, NULL)<0) return 0.0;
|
|
else return (double)tv.tv_sec+((double)tv.tv_usec/1000000.);
|
|
}
|
|
|
|
#endif
|