diff options
| author | SND\weimingzhi_cp <SND\weimingzhi_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97> | 2011-02-19 02:25:15 +0000 |
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| committer | SND\weimingzhi_cp <SND\weimingzhi_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97> | 2011-02-19 02:25:15 +0000 |
| commit | 3fc56dbe4ad7e9deaeaef8c209a68e1de986f6fa (patch) | |
| tree | c27c3a79fb402b0b3e47f23b434baddc4ce8a5c6 /macosx/plugins/Common/SDL/src/SDL.c | |
| parent | bc54761a4332b875e1962a21f2858db598fa7c18 (diff) | |
| download | pcsxr-3fc56dbe4ad7e9deaeaef8c209a68e1de986f6fa.tar.gz | |
-Reverted some changes to make the code build again on Tiger.
-Removed x86_64 from Deployment configuration.
-macosx: Use SDL for sound plugin, removed Carbon backend.
-(MaddTheSane)Fixed memory leaks (Patch #8427).
git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@63548 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Diffstat (limited to 'macosx/plugins/Common/SDL/src/SDL.c')
| -rw-r--r-- | macosx/plugins/Common/SDL/src/SDL.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/macosx/plugins/Common/SDL/src/SDL.c b/macosx/plugins/Common/SDL/src/SDL.c new file mode 100644 index 00000000..8347ef8a --- /dev/null +++ b/macosx/plugins/Common/SDL/src/SDL.c @@ -0,0 +1,168 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2010 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" + +#include <time.h> +#include <errno.h> + +/* Initialization code for SDL */ + +#include "SDL.h" +#include "haptic/SDL_haptic_c.h" +#include "joystick/SDL_joystick_c.h" + +/* The initialized subsystems */ +static Uint32 SDL_initialized = 0; + +int +SDL_InitSubSystem(Uint32 flags) +{ +#ifndef SDL_JOYSTICK_DISABLED + /* Initialize the joystick subsystem */ + if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) { + if (SDL_JoystickInit() < 0) { + return (-1); + } + SDL_initialized |= SDL_INIT_JOYSTICK; + } + + /* Initialize the haptic subsystem */ + if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) { + if (SDL_HapticInit() < 0) { + return (-1); + } + SDL_initialized |= SDL_INIT_HAPTIC; + } +#endif + +#ifndef SDL_AUDIO_DISABLED + /* Initialize the audio subsystem */ + if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) { + if (SDL_AudioInit(NULL) < 0) { + return (-1); + } + SDL_initialized |= SDL_INIT_AUDIO; + } +#endif + + return (0); +} + +int +SDL_Init(Uint32 flags) +{ + /* Clear the error message */ + SDL_ClearError(); + + /* Initialize the desired subsystems */ + if (SDL_InitSubSystem(flags) < 0) { + return (-1); + } + + return (0); +} + +void +SDL_QuitSubSystem(Uint32 flags) +{ +#ifndef SDL_JOYSTICK_DISABLED + /* Shut down requested initialized subsystems */ + if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) { + SDL_JoystickQuit(); + SDL_initialized &= ~SDL_INIT_JOYSTICK; + } + + if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) { + SDL_HapticQuit(); + SDL_initialized &= ~SDL_INIT_HAPTIC; + } +#endif + +#ifndef SDL_AUDIO_DISABLED + if ((flags & SDL_initialized & SDL_INIT_AUDIO)) { + SDL_AudioQuit(); + SDL_initialized &= ~SDL_INIT_AUDIO; + } +#endif +} + +Uint32 +SDL_WasInit(Uint32 flags) +{ + if (!flags) { + flags = SDL_INIT_EVERYTHING; + } + return (SDL_initialized & flags); +} + +void +SDL_Quit(void) +{ + /* Quit all subsystems */ + SDL_QuitSubSystem(SDL_INIT_EVERYTHING); +} + + +void +SDL_Delay(Uint32 ms) +{ + int was_error; + +#if HAVE_NANOSLEEP + struct timespec elapsed, tv; +#else + struct timeval tv; + Uint32 then, now, elapsed; +#endif + + /* Set the timeout interval */ +#if HAVE_NANOSLEEP + elapsed.tv_sec = ms / 1000; + elapsed.tv_nsec = (ms % 1000) * 1000000; +#else + then = SDL_GetTicks(); +#endif + do { + errno = 0; + +#if HAVE_NANOSLEEP + tv.tv_sec = elapsed.tv_sec; + tv.tv_nsec = elapsed.tv_nsec; + was_error = nanosleep(&tv, &elapsed); +#else + /* Calculate the time interval left (in case of interrupt) */ + now = SDL_GetTicks(); + elapsed = (now - then); + then = now; + if (elapsed >= ms) { + break; + } + ms -= elapsed; + tv.tv_sec = ms / 1000; + tv.tv_usec = (ms % 1000) * 1000; + + was_error = select(0, NULL, NULL, NULL, &tv); +#endif /* HAVE_NANOSLEEP */ + } while (was_error && (errno == EINTR)); +} + |
