arch/all-sdl/hidd/sdl_hostlib.c

   1 /*
   2  * sdl.hidd - SDL graphics/sound/keyboard for AROS hosted
   3  * Copyright (c) 2007 Robert Norris. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the same terms as AROS itself.
   7  */
   8
   9 #include <aros/symbolsets.h>
  10
  11 #include <exec/types.h>
  12 #include <exec/semaphores.h>
  13
  14 #include <proto/exec.h>
  15 #include <proto/hostlib.h>
  16
  17 #include LC_LIBDEFS_FILE
  18
  19 #include "sdl_intern.h"
  20
  21 #define DEBUG 0
  22 #include <aros/debug.h>
  23
  24 void *sdl_handle = NULL;
  25
  26 struct sdl_funcs sdl_funcs;
  27
  28 static const char *sdl_func_names[] = {
  29     "SDL_strlcpy",
  30     "SDL_strlcat",
  31     "SDL_strrev",
  32     "SDL_strupr",
  33     "SDL_strlwr",
  34     "SDL_ltoa",
  35     "SDL_ultoa",
  36     "SDL_lltoa",
  37     "SDL_ulltoa",
  38     "SDL_iconv",
  39     "SDL_iconv_string",
  40     "SDL_SetError",
  41     "SDL_GetError",
  42     "SDL_ClearError",
  43     "SDL_Error",
  44     "SDL_CreateMutex",
  45     "SDL_mutexP",
  46     "SDL_mutexV",
  47     "SDL_DestroyMutex",
  48     "SDL_CreateSemaphore",
  49     "SDL_DestroySemaphore",
  50     "SDL_SemWait",
  51     "SDL_SemTryWait",
  52     "SDL_SemWaitTimeout",
  53     "SDL_SemPost",
  54     "SDL_SemValue",
  55     "SDL_CreateCond",
  56     "SDL_DestroyCond",
  57     "SDL_CondSignal",
  58     "SDL_CondBroadcast",
  59     "SDL_CondWait",
  60     "SDL_CondWaitTimeout",
  61     "SDL_CreateThread",
  62     "SDL_ThreadID",
  63     "SDL_GetThreadID",
  64     "SDL_WaitThread",
  65     "SDL_KillThread",
  66     "SDL_RWFromFile",
  67     "SDL_RWFromFP",
  68     "SDL_RWFromMem",
  69     "SDL_RWFromConstMem",
  70     "SDL_AllocRW",
  71     "SDL_FreeRW",
  72     "SDL_ReadLE16",
  73     "SDL_ReadBE16",
  74     "SDL_ReadLE32",
  75     "SDL_ReadBE32",
  76     "SDL_ReadLE64",
  77     "SDL_ReadBE64",
  78     "SDL_WriteLE16",
  79     "SDL_WriteBE16",
  80     "SDL_WriteLE32",
  81     "SDL_WriteBE32",
  82     "SDL_WriteLE64",
  83     "SDL_WriteBE64",
  84     "SDL_AudioInit",
  85     "SDL_AudioQuit",
  86     "SDL_AudioDriverName",
  87     "SDL_OpenAudio",
  88     "SDL_GetAudioStatus",
  89     "SDL_PauseAudio",
  90     "SDL_LoadWAV_RW",
  91     "SDL_FreeWAV",
  92     "SDL_BuildAudioCVT",
  93     "SDL_ConvertAudio",
  94     "SDL_MixAudio",
  95     "SDL_LockAudio",
  96     "SDL_UnlockAudio",
  97     "SDL_CloseAudio",
  98     "SDL_CDNumDrives",
  99     "SDL_CDName",
 100     "SDL_CDOpen",
 101     "SDL_CDStatus",
 102     "SDL_CDPlayTracks",
 103     "SDL_CDPlay",
 104     "SDL_CDPause",
 105     "SDL_CDResume",
 106     "SDL_CDStop",
 107     "SDL_CDEject",
 108     "SDL_CDClose",
 109     "SDL_HasRDTSC",
 110     "SDL_HasMMX",
 111     "SDL_HasMMXExt",
 112     "SDL_Has3DNow",
 113     "SDL_Has3DNowExt",
 114     "SDL_HasSSE",
 115     "SDL_HasSSE2",
 116     "SDL_HasAltiVec",
 117     "SDL_GetAppState",
 118     "SDL_EnableUNICODE",
 119     "SDL_EnableKeyRepeat",
 120     "SDL_GetKeyRepeat",
 121     "SDL_GetKeyState",
 122     "SDL_GetModState",
 123     "SDL_SetModState",
 124     "SDL_GetKeyName",
 125     "SDL_VideoInit",
 126     "SDL_VideoQuit",
 127     "SDL_VideoDriverName",
 128     "SDL_GetVideoSurface",
 129     "SDL_GetVideoInfo",
 130     "SDL_VideoModeOK",
 131     "SDL_ListModes",
 132     "SDL_SetVideoMode",
 133     "SDL_UpdateRects",
 134     "SDL_UpdateRect",
 135     "SDL_Flip",
 136     "SDL_SetGamma",
 137     "SDL_SetGammaRamp",
 138     "SDL_GetGammaRamp",
 139     "SDL_SetColors",
 140     "SDL_SetPalette",
 141     "SDL_MapRGB",
 142     "SDL_MapRGBA",
 143     "SDL_GetRGB",
 144     "SDL_GetRGBA",
 145     "SDL_CreateRGBSurface",
 146     "SDL_CreateRGBSurfaceFrom",
 147     "SDL_FreeSurface",
 148     "SDL_LockSurface",
 149     "SDL_UnlockSurface",
 150     "SDL_LoadBMP_RW",
 151     "SDL_SaveBMP_RW",
 152     "SDL_SetColorKey",
 153     "SDL_SetAlpha",
 154     "SDL_SetClipRect",
 155     "SDL_GetClipRect",
 156     "SDL_ConvertSurface",
 157     "SDL_UpperBlit",
 158     "SDL_LowerBlit",
 159     "SDL_FillRect",
 160     "SDL_DisplayFormat",
 161     "SDL_DisplayFormatAlpha",
 162     "SDL_CreateYUVOverlay",
 163     "SDL_LockYUVOverlay",
 164     "SDL_UnlockYUVOverlay",
 165     "SDL_DisplayYUVOverlay",
 166     "SDL_FreeYUVOverlay",
 167     "SDL_GL_LoadLibrary",
 168     "SDL_GL_GetProcAddress",
 169     "SDL_GL_SetAttribute",
 170     "SDL_GL_GetAttribute",
 171     "SDL_GL_SwapBuffers",
 172     "SDL_GL_UpdateRects",
 173     "SDL_GL_Lock",
 174     "SDL_GL_Unlock",
 175     "SDL_WM_SetCaption",
 176     "SDL_WM_GetCaption",
 177     "SDL_WM_SetIcon",
 178     "SDL_WM_IconifyWindow",
 179     "SDL_WM_ToggleFullScreen",
 180     "SDL_WM_GrabInput",
 181     "SDL_SoftStretch",
 182     "SDL_GetMouseState",
 183     "SDL_GetRelativeMouseState",
 184     "SDL_WarpMouse",
 185     "SDL_CreateCursor",
 186     "SDL_SetCursor",
 187     "SDL_GetCursor",
 188     "SDL_FreeCursor",
 189     "SDL_ShowCursor",
 190     "SDL_NumJoysticks",
 191     "SDL_JoystickName",
 192     "SDL_JoystickOpen",
 193     "SDL_JoystickOpened",
 194     "SDL_JoystickIndex",
 195     "SDL_JoystickNumAxes",
 196     "SDL_JoystickNumBalls",
 197     "SDL_JoystickNumHats",
 198     "SDL_JoystickNumButtons",
 199     "SDL_JoystickUpdate",
 200     "SDL_JoystickEventState",
 201     "SDL_JoystickGetAxis",
 202     "SDL_JoystickGetHat",
 203     "SDL_JoystickGetBall",
 204     "SDL_JoystickGetButton",
 205     "SDL_JoystickClose",
 206     "SDL_PumpEvents",
 207     "SDL_PeepEvents",
 208     "SDL_PollEvent",
 209     "SDL_WaitEvent",
 210     "SDL_PushEvent",
 211     "SDL_SetEventFilter",
 212     "SDL_GetEventFilter",
 213     "SDL_EventState",
 214     "SDL_LoadObject",
 215     "SDL_LoadFunction",
 216     "SDL_UnloadObject",
 217     "SDL_GetTicks",
 218     "SDL_Delay",
 219     "SDL_SetTimer",
 220     "SDL_AddTimer",
 221     "SDL_RemoveTimer",
 222     "SDL_Linked_Version",
 223     "SDL_Init",
 224     "SDL_InitSubSystem",
 225     "SDL_QuitSubSystem",
 226     "SDL_WasInit",
 227     "SDL_Quit",
 228 };
 229
 230 #define SDL_NUM_FUNCS (199)
 231
 232 APTR HostLibBase;
 233
 234 struct SignalSemaphore sdl_lock;
 235
 236 static void *sdl_hostlib_load_so(const char *sofile, const char **names, int nfuncs, void **funcptr) {
 237     void *handle;
 238     char *err;
 239     int i;
 240
 241     D(bug("[sdl] loading %d functions from %s\n", nfuncs, sofile));
 242
 243     if ((handle = HostLib_Open(sofile, &err)) == NULL) {
 244         kprintf("[sdl] couldn't open '%s': %s\n", sofile, err);
 245         return NULL;
 246     }
 247
 248     for (i = 0; i < nfuncs; i++) {
 249         funcptr[i] = HostLib_GetPointer(handle, names[i], &err);
 250         if (err != NULL) {
 251             kprintf("[sdl] couldn't get symbol '%s' from '%s': %s\n");
 252             HostLib_Close(handle, NULL);
 253             return NULL;
 254         }
 255     }
 256
 257     D(bug("[sdl] done\n"));
 258
 259     return handle;
 260 }
 261
 262 static int sdl_hostlib_init(LIBBASETYPEPTR LIBBASE) {
 263     D(bug("[sdl] hostlib init\n"));
 264
 265     InitSemaphore(&sdl_lock);
 266
 267     if ((HostLibBase = OpenResource("hostlib.resource")) == NULL) {
 268         kprintf("[sdl] couldn't open hostlib.resource\n");
 269         return FALSE;
 270     }
 271
 272     if ((sdl_handle = sdl_hostlib_load_so(SDL_SOFILE, sdl_func_names, SDL_NUM_FUNCS, (void **) &sdl_funcs)) == NULL)
 273         return FALSE;
 274
 275     return TRUE;
 276 }
 277
 278 static int sdl_hostlib_expunge(LIBBASETYPEPTR LIBBASE) {
 279     D(bug("[sdl] hostlib expunge\n"));
 280
 281     if (sdl_handle != NULL)
 282         HostLib_Close(sdl_handle, NULL);
 283
 284     return TRUE;
 285 }
 286
 287 ADD2INITLIB(sdl_hostlib_init, 0)
 288 ADD2EXPUNGELIB(sdl_hostlib_expunge, 0)