author | Sam Lantinga <slouken@libsdl.org> |
Mon, 10 Jun 2002 20:42:02 +0000 | |
changeset 397 | 283d348cb624 |
parent 297 | f6ffac90895c |
child 543 | 522e5202014d |
permissions | -rw-r--r-- |
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/* |
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SDL - Simple DirectMedia Layer |
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f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with this library; if not, write to the Free |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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Sam Lantinga |
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Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
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slouken@libsdl.org |
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*/ |
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#ifdef SAVE_RCSID |
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static char rcsid = |
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"@(#) $Id$"; |
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#endif |
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/* Initialization code for SDL */ |
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#include <stdlib.h> /* For getenv() */ |
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#include "SDL.h" |
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#include "SDL_endian.h" |
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#include "SDL_fatal.h" |
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#ifndef DISABLE_VIDEO |
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#include "SDL_leaks.h" |
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#endif |
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/* Initialization/Cleanup routines */ |
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#ifndef DISABLE_JOYSTICK |
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extern int SDL_JoystickInit(void); |
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extern void SDL_JoystickQuit(void); |
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#endif |
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#ifndef DISABLE_CDROM |
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extern int SDL_CDROMInit(void); |
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extern void SDL_CDROMQuit(void); |
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#endif |
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#ifndef DISABLE_TIMERS |
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extern void SDL_StartTicks(void); |
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extern int SDL_TimerInit(void); |
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extern void SDL_TimerQuit(void); |
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#endif |
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/* The current SDL version */ |
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static SDL_version version = |
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{ SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL }; |
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/* The initialized subsystems */ |
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static Uint32 SDL_initialized = 0; |
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static Uint32 ticks_started = 0; |
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#ifdef CHECK_LEAKS |
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int surfaces_allocated = 0; |
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#endif |
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int SDL_InitSubSystem(Uint32 flags) |
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{ |
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#ifndef DISABLE_VIDEO |
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/* Initialize the video/event subsystem */ |
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if ( (flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO) ) { |
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if ( SDL_VideoInit(getenv("SDL_VIDEODRIVER"), |
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(flags&SDL_INIT_EVENTTHREAD)) < 0 ) { |
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return(-1); |
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} |
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SDL_initialized |= SDL_INIT_VIDEO; |
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} |
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#else |
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if ( flags & SDL_INIT_VIDEO ) { |
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SDL_SetError("SDL not built with video support"); |
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return(-1); |
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} |
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#endif |
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#ifndef DISABLE_AUDIO |
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/* Initialize the audio subsystem */ |
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if ( (flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO) ) { |
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if ( SDL_AudioInit(getenv("SDL_AUDIODRIVER")) < 0 ) { |
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return(-1); |
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} |
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SDL_initialized |= SDL_INIT_AUDIO; |
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} |
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#else |
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if ( flags & SDL_INIT_AUDIO ) { |
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SDL_SetError("SDL not built with audio support"); |
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return(-1); |
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} |
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#endif |
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#ifndef DISABLE_TIMERS |
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/* Initialize the timer subsystem */ |
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if ( ! ticks_started ) { |
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SDL_StartTicks(); |
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ticks_started = 1; |
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} |
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if ( (flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER) ) { |
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if ( SDL_TimerInit() < 0 ) { |
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return(-1); |
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} |
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SDL_initialized |= SDL_INIT_TIMER; |
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} |
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#else |
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if ( flags & SDL_INIT_TIMER ) { |
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SDL_SetError("SDL not built with timer support"); |
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return(-1); |
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} |
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#endif |
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#ifndef DISABLE_JOYSTICK |
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/* Initialize the joystick subsystem */ |
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if ( (flags & SDL_INIT_JOYSTICK) && |
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!(SDL_initialized & SDL_INIT_JOYSTICK) ) { |
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if ( SDL_JoystickInit() < 0 ) { |
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return(-1); |
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} |
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SDL_initialized |= SDL_INIT_JOYSTICK; |
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} |
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#else |
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if ( flags & SDL_INIT_JOYSTICK ) { |
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SDL_SetError("SDL not built with joystick support"); |
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return(-1); |
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} |
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#endif |
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#ifndef DISABLE_CDROM |
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/* Initialize the CD-ROM subsystem */ |
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if ( (flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM) ) { |
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if ( SDL_CDROMInit() < 0 ) { |
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return(-1); |
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} |
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SDL_initialized |= SDL_INIT_CDROM; |
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} |
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#else |
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if ( flags & SDL_INIT_CDROM ) { |
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SDL_SetError("SDL not built with cdrom support"); |
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return(-1); |
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} |
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#endif |
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return(0); |
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} |
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int SDL_Init(Uint32 flags) |
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{ |
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#if !defined(DISABLE_THREADS) && defined(ENABLE_PTH) |
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if (!pth_init()) { |
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return -1; |
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} |
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#endif |
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/* Clear the error message */ |
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SDL_ClearError(); |
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/* Initialize the desired subsystems */ |
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if ( SDL_InitSubSystem(flags) < 0 ) { |
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return(-1); |
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} |
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/* Everything is initialized */ |
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if ( !(flags & SDL_INIT_NOPARACHUTE) ) { |
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SDL_InstallParachute(); |
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} |
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return(0); |
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} |
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void SDL_QuitSubSystem(Uint32 flags) |
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{ |
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/* Shut down requested initialized subsystems */ |
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#ifndef DISABLE_CDROM |
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if ( (flags & SDL_initialized & SDL_INIT_CDROM) ) { |
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SDL_CDROMQuit(); |
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SDL_initialized &= ~SDL_INIT_CDROM; |
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} |
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#endif |
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#ifndef DISABLE_JOYSTICK |
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if ( (flags & SDL_initialized & SDL_INIT_JOYSTICK) ) { |
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SDL_JoystickQuit(); |
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SDL_initialized &= ~SDL_INIT_JOYSTICK; |
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} |
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#endif |
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#ifndef DISABLE_TIMERS |
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if ( (flags & SDL_initialized & SDL_INIT_TIMER) ) { |
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SDL_TimerQuit(); |
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SDL_initialized &= ~SDL_INIT_TIMER; |
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} |
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#endif |
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#ifndef DISABLE_AUDIO |
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if ( (flags & SDL_initialized & SDL_INIT_AUDIO) ) { |
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SDL_AudioQuit(); |
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SDL_initialized &= ~SDL_INIT_AUDIO; |
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} |
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#endif |
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#ifndef DISABLE_VIDEO |
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if ( (flags & SDL_initialized & SDL_INIT_VIDEO) ) { |
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SDL_VideoQuit(); |
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SDL_initialized &= ~SDL_INIT_VIDEO; |
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} |
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#endif |
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} |
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Uint32 SDL_WasInit(Uint32 flags) |
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{ |
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if ( ! flags ) { |
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flags = SDL_INIT_EVERYTHING; |
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} |
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return (SDL_initialized&flags); |
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} |
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void SDL_Quit(void) |
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{ |
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/* Quit all subsystems */ |
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SDL_QuitSubSystem(SDL_INIT_EVERYTHING); |
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#ifdef CHECK_LEAKS |
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/* Print the number of surfaces not freed */ |
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if ( surfaces_allocated != 0 ) { |
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fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n", |
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surfaces_allocated); |
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} |
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#endif |
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/* Uninstall any parachute signal handlers */ |
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SDL_UninstallParachute(); |
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#if !defined(DISABLE_THREADS) && defined(ENABLE_PTH) |
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pth_kill(); |
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#endif |
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} |
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/* Return the library version number */ |
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const SDL_version * SDL_Linked_Version(void) |
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{ |
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return(&version); |
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} |
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13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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244 |
#if defined(_WIN32_WCE) |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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/* Need to include DllMain() on Windows CE for some reason.. */ |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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246 |
#include <windows.h> |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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|
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
248 |
BOOL APIENTRY DllMain( HANDLE hModule, |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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249 |
DWORD ul_reason_for_call, |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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250 |
LPVOID lpReserved ) |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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251 |
{ |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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252 |
switch (ul_reason_for_call) { |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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253 |
case DLL_PROCESS_ATTACH: |
13ee9f4834ea
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Sam Lantinga <slouken@lokigames.com>
parents:
0
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254 |
case DLL_THREAD_ATTACH: |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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255 |
case DLL_THREAD_DETACH: |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
256 |
case DLL_PROCESS_DETACH: |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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257 |
break; |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
258 |
} |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
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return TRUE; |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
260 |
} |
13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
261 |
#endif /* _WIN32_WCE */ |