arch/all-hosted/libs/hostgl/x11_hostlib.c

   1 #include <aros/config.h>
   2
   3 #include <aros/symbolsets.h>
   4
   5 #include "hostgl_renderer_config.h"
   6 #include "x11_hostlib.h"
   7
   8 #include <proto/hostlib.h>
   9
  10 #include LC_LIBDEFS_FILE
  11
  12 #define DEBUG 0
  13 #include <aros/debug.h>
  14
  15 void *x11_handle = NULL;
  16 struct x11_func x11_func;
  17
  18 static const char *x11_func_names[] =
  19 {
  20     "XOpenDisplay",
  21     "XCloseDisplay",
  22     "XFree",
  23 #if defined(RENDERER_SEPARATE_X_WINDOW)
  24     "XCreateColormap",
  25     "XCreateWindow",
  26     "XDestroyWindow",
  27     "XFlush",
  28     "XMapWindow",
  29 #endif
  30     NULL
  31 };
  32
  33 APTR HostLibBase;
  34
  35 void *x11_hostlib_load_so(const char *sofile, const char **names, void **funcptr)
  36 {
  37     void *handle;
  38     char *err;
  39     const char *name;
  40     int i = 0;
  41
  42     D(bug("[HostGL] loading %d functions from %s\n", nfuncs, sofile));
  43
  44     if ((handle = HostLib_Open(sofile, &err)) == NULL)
  45     {
  46         kprintf("[HostGL] couldn't open '%s': %s\n", sofile, err);
  47         return NULL;
  48     }
  49
  50     while((name = names[i]) != NULL)
  51     {
  52         funcptr[i] = HostLib_GetPointer(handle, name, &err);
  53         D(bug("%s(%x)\n", names[i], funcptr[i]));
  54         if (err != NULL)
  55         {
  56             kprintf("[HostGL] couldn't get symbol '%s' from '%s': %s\n", names[i], sofile, err);
  57             HostLib_Close(handle, NULL);
  58             return NULL;
  59         }
  60         i++;
  61     }
  62
  63     D(bug("[x11] done\n"));
  64
  65     return handle;
  66 }
  67
  68 static int x11_hostlib_init(LIBBASETYPEPTR LIBBASE)
  69 {
  70     D(bug("[HostGL] X11 hostlib init\n"));
  71
  72     if ((HostLibBase = OpenResource("hostlib.resource")) == NULL)
  73     {
  74         kprintf("[HostGL] couldn't open hostlib.resource\n");
  75         return FALSE;
  76     }
  77
  78     if ((x11_handle = x11_hostlib_load_so(X11_SOFILE, x11_func_names, (void **) &x11_func)) == NULL)
  79     {
  80         HostLib_Close(x11_handle, NULL);
  81         return FALSE;
  82     }
  83
  84     return TRUE;
  85 }
  86
  87 static int x11_hostlib_expunge(LIBBASETYPEPTR LIBBASE)
  88 {
  89     D(bug("[HostGL] X11 hostlib expunge\n"));
  90
  91     if (x11_handle != NULL)
  92         HostLib_Close(x11_handle, NULL);
  93
  94     return TRUE;
  95 }
  96
  97 ADD2INITLIB(x11_hostlib_init, 0)
  98 ADD2EXPUNGELIB(x11_hostlib_expunge, 0)
  99