Mercurial > sdl-ios-xcode
view src/timer/SDL_timer_c.h @ 1163:96ef83467667
Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sun, 30 Oct 2005 05:45:46 +0000 |
parents | e8157fcb3114 |
children | c9b51268668f |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997, 1998 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga 5635-34 Springhouse Dr. Pleasanton, CA 94588 (USA) slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* 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);