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/* |
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SDL - Simple DirectMedia Layer |
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Copyright (C) 1997-2011 Sam Lantinga |
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|
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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 Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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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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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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|
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Sam Lantinga |
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slouken@libsdl.org |
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*/ |
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#include "SDL_config.h" |
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|
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/* Initialization code for SDL */ |
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|
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#include "SDL.h" |
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#include "SDL_revision.h" |
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#include "SDL_fatal.h" |
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#include "SDL_assert_c.h" |
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#include "haptic/SDL_haptic_c.h" |
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#include "joystick/SDL_joystick_c.h" |
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|
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/* Initialization/Cleanup routines */ |
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#if !SDL_TIMERS_DISABLED |
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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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#if defined(__WIN32__) |
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extern int SDL_HelperWindowCreate(void); |
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extern int SDL_HelperWindowDestroy(void); |
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#endif |
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|
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|
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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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|
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|
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int |
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SDL_InitSubSystem(Uint32 flags) |
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{ |
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#if !SDL_VIDEO_DISABLED |
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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(NULL) < 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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|
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#if !SDL_AUDIO_DISABLED |
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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(NULL) < 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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|
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#if !SDL_TIMERS_DISABLED |
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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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|
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#if !SDL_JOYSTICK_DISABLED |
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/* Initialize the joystick subsystem */ |
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if ((flags & SDL_INIT_JOYSTICK) && !(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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|
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#if !SDL_HAPTIC_DISABLED |
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/* Initialize the haptic subsystem */ |
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if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) { |
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if (SDL_HapticInit() < 0) { |
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return (-1); |
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} |
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SDL_initialized |= SDL_INIT_HAPTIC; |
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} |
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#else |
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if (flags & SDL_INIT_HAPTIC) { |
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SDL_SetError("SDL not built with haptic (force feedback) 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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|
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int |
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SDL_Init(Uint32 flags) |
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{ |
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if (SDL_AssertionsInit() < 0) { |
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return -1; |
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} |
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|
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/* Clear the error message */ |
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SDL_ClearError(); |
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|
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#if defined(__WIN32__) |
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if (SDL_HelperWindowCreate() < 0) { |
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return -1; |
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} |
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#endif |
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|
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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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|
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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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|
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return (0); |
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} |
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|
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void |
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SDL_QuitSubSystem(Uint32 flags) |
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{ |
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/* Shut down requested initialized subsystems */ |
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#if !SDL_JOYSTICK_DISABLED |
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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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#if !SDL_HAPTIC_DISABLED |
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if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) { |
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SDL_HapticQuit(); |
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SDL_initialized &= ~SDL_INIT_HAPTIC; |
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} |
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#endif |
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#if !SDL_TIMERS_DISABLED |
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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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#if !SDL_AUDIO_DISABLED |
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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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#if !SDL_VIDEO_DISABLED |
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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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|
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Uint32 |
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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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|
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void |
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SDL_Quit(void) |
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{ |
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/* Quit all subsystems */ |
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#if defined(__WIN32__) |
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SDL_HelperWindowDestroy(); |
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#endif |
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SDL_QuitSubSystem(SDL_INIT_EVERYTHING); |
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|
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/* Uninstall any parachute signal handlers */ |
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SDL_UninstallParachute(); |
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|
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SDL_ClearHints(); |
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SDL_AssertionsQuit(); |
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SDL_LogResetPriorities(); |
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} |
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|
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/* Get the library version number */ |
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void |
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SDL_GetVersion(SDL_version * ver) |
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{ |
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SDL_VERSION(ver); |
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} |
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|
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/* Get the library source revision */ |
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const char * |
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SDL_GetRevision(void) |
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{ |
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return SDL_REVISION; |
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} |
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|
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/* Get the library source revision number */ |
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int |
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SDL_GetRevisionNumber(void) |
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{ |
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return SDL_REVISION_NUMBER; |
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} |
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|
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/* Get the name of the platform */ |
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const char * |
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SDL_GetPlatform() |
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{ |
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#if __AIX__ |
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return "AIX"; |
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#elif __HAIKU__ |
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/* Haiku must appear here before BeOS, since it also defines __BEOS__ */ |
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return "Haiku"; |
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#elif __BEOS__ |
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return "BeOS"; |
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#elif __BSDI__ |
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return "BSDI"; |
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#elif __DREAMCAST__ |
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return "Dreamcast"; |
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#elif __FREEBSD__ |
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return "FreeBSD"; |
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#elif __HPUX__ |
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return "HP-UX"; |
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#elif __IRIX__ |
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return "Irix"; |
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#elif __LINUX__ |
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return "Linux"; |
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#elif __MINT__ |
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return "Atari MiNT"; |
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#elif __MACOS__ |
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return "MacOS Classic"; |
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#elif __MACOSX__ |
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return "Mac OS X"; |
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#elif __NETBSD__ |
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return "NetBSD"; |
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#elif __NDS__ |
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return "Nintendo DS"; |
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#elif __OPENBSD__ |
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return "OpenBSD"; |
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#elif __OS2__ |
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return "OS/2"; |
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#elif __OSF__ |
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return "OSF/1"; |
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#elif __QNXNTO__ |
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return "QNX Neutrino"; |
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#elif __RISCOS__ |
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return "RISC OS"; |
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#elif __SOLARIS__ |
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return "Solaris"; |
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#elif __WIN32__ |
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#ifdef _WIN32_WCE |
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return "Windows CE"; |
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#else |
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return "Windows"; |
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#endif |
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#elif __IPHONEOS__ |
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return "iPhone OS"; |
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#else |
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return "Unknown (see SDL_platform.h)"; |
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#endif |
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} |
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|
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#if defined(__WIN32__) |
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|
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#if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL)) |
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/* Need to include DllMain() on Watcom C for some reason.. */ |
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#include "core/windows/SDL_windows.h" |
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|
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BOOL APIENTRY |
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_DllMainCRTStartup(HANDLE hModule, |
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DWORD ul_reason_for_call, LPVOID lpReserved) |
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{ |
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switch (ul_reason_for_call) { |
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case DLL_PROCESS_ATTACH: |
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case DLL_THREAD_ATTACH: |
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case DLL_THREAD_DETACH: |
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case DLL_PROCESS_DETACH: |
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break; |
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} |
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return TRUE; |
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} |
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#endif /* building DLL with Watcom C */ |
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|
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#endif /* __WIN32__ */ |
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|
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/* vi: set ts=4 sw=4 expandtab: */ |
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