static void load_xinerama(void)
{
void *handle;
if (!(handle = wine_dlopen(SONAME_LIBXINERAMA, RTLD_NOW, NULL, 0)))
{
WARN( "failed to open %s\n", SONAME_LIBXINERAMA );
return;
}
pXineramaQueryExtension = wine_dlsym( handle, "XineramaQueryExtension", NULL, 0 );
if (!pXineramaQueryExtension) WARN( "XineramaQueryScreens not found\n" );
pXineramaQueryScreens = wine_dlsym( handle, "XineramaQueryScreens", NULL, 0 );
if (!pXineramaQueryScreens) WARN( "XineramaQueryScreens not found\n" );
}
void X11DRV_XRandR_Init(void)
{
int event_base, error_base, minor, ret;
static int major;
Bool ok;
if (major) return; /* already initialized? */
if (!usexrandr) return; /* disabled in config */
if (root_window != DefaultRootWindow( gdi_display )) return;
if (!(ret = load_xrandr())) return; /* can't load the Xrandr library */
/* see if Xrandr is available */
if (!pXRRQueryExtension( gdi_display, &event_base, &error_base )) return;
X11DRV_expect_error( gdi_display, XRandRErrorHandler, NULL );
ok = pXRRQueryVersion( gdi_display, &major, &minor );
if (X11DRV_check_error() || !ok) return;
TRACE("Found XRandR %d.%d.\n", major, minor);
#ifdef HAVE_XRRGETSCREENRESOURCES
if (ret >= 2 && (major > 1 || (major == 1 && minor >= 2)))
{
if (major > 1 || (major == 1 && minor >= 3))
pXRRGetScreenResourcesCurrent = wine_dlsym( xrandr_handle, "XRRGetScreenResourcesCurrent", NULL, 0 );
if (!pXRRGetScreenResourcesCurrent)
pXRRGetScreenResourcesCurrent = pXRRGetScreenResources;
}
if (!pXRRGetScreenResourcesCurrent || xrandr12_init_modes() < 0)
#endif
xrandr10_init_modes();
}
/* separate thread to check for NPTL and TLS features */
static void *needs_pthread( void *arg )
{
pid_t tid = syscall( 224 /* SYS_gettid */ );
/* check for NPTL */
if (tid != -1 && tid != getpid()) return (void *)1;
/* check for TLS glibc */
if (wine_get_gs() != 0) return (void *)1;
/* check for exported epoll_create to detect new glibc versions without TLS */
if (wine_dlsym( RTLD_DEFAULT, "epoll_create", NULL, 0 ))
fprintf( stderr,
"wine: glibc >= 2.3 without NPTL or TLS is not a supported combination.\n"
" Please upgrade to a glibc with NPTL support.\n" );
else
fprintf( stderr,
"wine: Your C library is too old. You need at least glibc 2.3 with NPTL support.\n" );
return 0;
}
static BOOL init_opengl(void)
{
static BOOL init_done = FALSE;
static void *osmesa_handle;
char buffer[200];
unsigned int i;
if (init_done) return (osmesa_handle != NULL);
init_done = TRUE;
osmesa_handle = wine_dlopen( SONAME_LIBOSMESA, RTLD_NOW, buffer, sizeof(buffer) );
if (osmesa_handle == NULL)
{
ERR( "Failed to load OSMesa: %s\n", buffer );
return FALSE;
}
for (i = 0; i < sizeof(opengl_func_names)/sizeof(opengl_func_names[0]); i++)
{
if (!(((void **)&opengl_funcs.gl)[i] = wine_dlsym( osmesa_handle, opengl_func_names[i], buffer, sizeof(buffer) )))
{
ERR( "%s not found in %s (%s), disabling.\n", opengl_func_names[i], SONAME_LIBOSMESA, buffer );
goto failed;
}
}
#define LOAD_FUNCPTR(f) do if (!(p##f = wine_dlsym( osmesa_handle, #f, buffer, sizeof(buffer) ))) \
{ \
ERR( "%s not found in %s (%s), disabling.\n", #f, SONAME_LIBOSMESA, buffer ); \
goto failed; \
} while(0)
LOAD_FUNCPTR(OSMesaCreateContextExt);
LOAD_FUNCPTR(OSMesaDestroyContext);
LOAD_FUNCPTR(OSMesaGetProcAddress);
LOAD_FUNCPTR(OSMesaMakeCurrent);
LOAD_FUNCPTR(OSMesaPixelStore);
#undef LOAD_FUNCPTR
return TRUE;
failed:
wine_dlclose( osmesa_handle, NULL, 0 );
osmesa_handle = NULL;
return FALSE;
}
static void video_init(void)
{
#ifdef SONAME_LIBV4L1
static void *video_lib;
if (video_lib)
return;
video_lib = wine_dlopen(SONAME_LIBV4L1, RTLD_NOW, NULL, 0);
if (!video_lib)
return;
video_open = wine_dlsym(video_lib, "v4l1_open", NULL, 0);
video_close = wine_dlsym(video_lib, "v4l1_close", NULL, 0);
video_ioctl = wine_dlsym(video_lib, "v4l1_ioctl", NULL, 0);
video_read = wine_dlsym(video_lib, "v4l1_read", NULL, 0);
video_mmap = wine_dlsym(video_lib, "v4l1_mmap", NULL, 0);
video_munmap = wine_dlsym(video_lib, "v4l1_munmap", NULL, 0);
#endif
}
/***********************************************************************
* wine_init
*
* Main Wine initialisation.
*/
void wine_init( int argc, char *argv[], char *error, int error_size )
{
struct dll_path_context context;
char *path;
void *ntdll = NULL;
void (*init_func)(void);
/* force a few limits that are set too low on some platforms */
#ifdef RLIMIT_NOFILE
set_max_limit( RLIMIT_NOFILE );
#endif
#ifdef RLIMIT_AS
set_max_limit( RLIMIT_AS );
#endif
wine_init_argv0_path( argv[0] );
build_dll_path();
__wine_main_argc = argc;
__wine_main_argv = argv;
__wine_main_environ = environ;
mmap_init();
for (path = first_dll_path( "ntdll.dll", 0, &context ); path; path = next_dll_path( &context ))
{
if ((ntdll = wine_dlopen( path, RTLD_NOW, error, error_size )))
{
/* if we didn't use the default dll dir, remove it from the search path */
if (default_dlldir[0] && context.index < nb_dll_paths + 2) nb_dll_paths--;
break;
}
}
free_dll_path( &context );
if (!ntdll) return;
if (!(init_func = wine_dlsym( ntdll, "__wine_process_init", error, error_size ))) return;
init_func();
}
