Mercurial > sdl-ios-xcode
view src/timer/SDL_timer_c.h @ 2247:93994f65c74c
Removed hermes since it's LGPL and not compatible with a commercial license.
Prepping for using MMX and SSE intrinsics instead of inline assembly.
.. except for memcpy equivalents which only get faster if they can
exploit the parallelism of loading into multiple SIMD registers. :)
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 15 Aug 2007 08:21:10 +0000 |
parents | c121d94672cb |
children | 99210400e8b9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* Useful functions and variables from SDL_timer.c */ #include "SDL_timer.h" #define ROUND_RESOLUTION(X) \ (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION) extern int SDL_timer_started; extern int SDL_timer_running; /* Data to handle a single periodic alarm */ extern Uint32 SDL_alarm_interval; extern SDL_TimerCallback SDL_alarm_callback; /* Set whether or not the timer should use a thread. This should be called while the timer subsystem is running. */ extern int SDL_SetTimerThreaded(int value); extern int SDL_TimerInit(void); extern void SDL_TimerQuit(void); /* This function is called from the SDL event thread if it is available */ extern void SDL_ThreadedTimerCheck(void); /* vi: set ts=4 sw=4 expandtab: */