annotate src/timer/macos/FastTimes.h @ 614:0b4c3f5ff63d

Date: Wed, 9 Apr 2003 18:21:33 -0230 From: Stephen Anthony <stephena@roadrunner.nf.net> Subject: [SDL] First patch concerning 4.3 and refresh rates OK, here's my first draft of the patch for the above subject. A short explanation: X 4.3 introduces many more modelines than older versions. This would be fine, except it introduces many modes with the *same* resolution but different refresh rates. And SDL won't necessarily pick the one with the highest refresh rate. So this patch restores SDL to X 4.2 functionality. That is, there is only ever one refresh rate *per* resolution, and it is the highest possible. This functionality can be totally disabled by using the environment variable 'SDL_VIDEO_X11_USE_ALL_MODES' set equal to 1.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 20 Apr 2003 05:36:52 +0000
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children d910939febfa
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1 /* File "FastTimes.h" - Original code by Matt Slot <fprefect@ambrosiasw.com> */
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2 /* Created 4/24/99 - This file is hereby placed in the public domain */
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3 /* Updated 5/21/99 - Calibrate to VIA, add TBR support, renamed functions */
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4 /* Updated 10/4/99 - Use AbsoluteToNanoseconds() in case Absolute = double */
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5 /* Updated 2/15/00 - Check for native Time Manager, no need to calibrate */
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6 /* Updated 3/21/00 - Fixed ns conversion, create 2 different scale factors */
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7 /* Updated 5/03/00 - Added copyright and placed into PD. No code changes */
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8
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9 /* This file is Copyright (C) Matt Slot, 1999-2000. It is hereby placed into
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10 the public domain. The author makes no warranty as to fitness or stability */
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11
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12 #ifndef __FAST_TIMES_HEADER__
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13 #define __FAST_TIMES_HEADER__
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14
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15 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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16 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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17
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18 extern void FastInitialize(void);
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19 extern UInt64 FastMicroseconds(void);
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20 extern UInt64 FastMilliseconds(void);
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21 extern StringPtr FastMethod(void);
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22
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23 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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24 /* **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** */
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25
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26 #endif /* __FAST_TIMES_HEADER__ */