annotate src/timer/macos/FastTimes.h @ 4347:38f22ed3a433 SDL-1.2

Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb
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1 /* File "FastTimes.h" - Original code by Matt Slot <fprefect@ambrosiasw.com> */
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2 #include "SDL_config.h"
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3 /* Created 4/24/99 - This file is hereby placed in the public domain */
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4 /* Updated 5/21/99 - Calibrate to VIA, add TBR support, renamed functions */
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5 /* Updated 10/4/99 - Use AbsoluteToNanoseconds() in case Absolute = double */
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6 /* Updated 2/15/00 - Check for native Time Manager, no need to calibrate */
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7 /* Updated 3/21/00 - Fixed ns conversion, create 2 different scale factors */
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8 /* Updated 5/03/00 - Added copyright and placed into PD. No code changes */
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9
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10 /* This file is Copyright (C) Matt Slot, 1999-2000. It is hereby placed into
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11 the public domain. The author makes no warranty as to fitness or stability */
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12
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13 #ifndef __FAST_TIMES_HEADER__
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14 #define __FAST_TIMES_HEADER__
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15
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16 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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17 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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18
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19 extern void FastInitialize(void);
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20 extern UInt64 FastMicroseconds(void);
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21 extern UInt64 FastMilliseconds(void);
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22 extern StringPtr FastMethod(void);
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23
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24 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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25 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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26
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27 #endif /* __FAST_TIMES_HEADER__ */