diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/x11/SDL_x11dyn.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/x11/SDL_x11dyn.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/distrib/sdl-1.2.12/src/video/x11/SDL_x11dyn.c b/distrib/sdl-1.2.12/src/video/x11/SDL_x11dyn.c deleted file mode 100644 index 6e97c32..0000000 --- a/distrib/sdl-1.2.12/src/video/x11/SDL_x11dyn.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2004 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#define DEBUG_DYNAMIC_X11 0 - -#include "SDL_x11dyn.h" - -#if DEBUG_DYNAMIC_X11 -#include <stdio.h> -#endif - -#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC - -#include "SDL_name.h" -#include "SDL_loadso.h" - -typedef struct -{ - void *lib; - const char *libname; -} x11dynlib; - -#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC -#define SDL_VIDEO_DRIVER_X11_DYNAMIC NULL -#endif -#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT -#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT NULL -#endif -#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER -#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER NULL -#endif -#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR -#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR NULL -#endif - -static x11dynlib x11libs[] = -{ - { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC }, - { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT }, - { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER }, - { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR }, -}; - -static void X11_GetSym(const char *fnname, int *rc, void **fn) -{ - int i; - for (i = 0; i < SDL_TABLESIZE(x11libs); i++) { - if (x11libs[i].lib != NULL) - { - *fn = SDL_LoadFunction(x11libs[i].lib, fnname); - if (*fn != NULL) - break; - } - } - - #if DEBUG_DYNAMIC_X11 - if (*fn != NULL) - printf("X11: Found '%s' in %s (%p)\n", fnname, x11libs[i].libname, *fn); - else - printf("X11: Symbol '%s' NOT FOUND!\n", fnname); - #endif - - if (*fn == NULL) - *rc = 0; /* kill this module. */ -} - - -/* Define all the function pointers and wrappers... */ -#define SDL_X11_MODULE(modname) -#define SDL_X11_SYM(rc,fn,params,args,ret) \ - static rc (*p##fn) params = NULL; \ - rc fn params { ret p##fn args ; } -#include "SDL_x11sym.h" -#undef SDL_X11_MODULE -#undef SDL_X11_SYM -#endif /* SDL_VIDEO_DRIVER_X11_DYNAMIC */ - -/* Annoying varargs entry point... */ -#ifdef X_HAVE_UTF8_STRING -XIC (*pXCreateIC)(XIM,...) = NULL; -char *(*pXGetICValues)(XIC, ...) = NULL; -#endif - -/* These SDL_X11_HAVE_* flags are here whether you have dynamic X11 or not. */ -#define SDL_X11_MODULE(modname) int SDL_X11_HAVE_##modname = 1; -#define SDL_X11_SYM(rc,fn,params,args,ret) -#include "SDL_x11sym.h" -#undef SDL_X11_MODULE -#undef SDL_X11_SYM - - -static void *SDL_XGetRequest_workaround(Display* dpy, CARD8 type, size_t len) -{ - xReq *req; - WORD64ALIGN - if (dpy->bufptr + len > dpy->bufmax) - _XFlush(dpy); - dpy->last_req = dpy->bufptr; - req = (xReq*)dpy->bufptr; - req->reqType = type; - req->length = len / 4; - dpy->bufptr += len; - dpy->request++; - return req; -} - -static int x11_load_refcount = 0; - -void SDL_X11_UnloadSymbols(void) -{ - #ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC - /* Don't actually unload if more than one module is using the libs... */ - if (x11_load_refcount > 0) { - if (--x11_load_refcount == 0) { - int i; - - /* set all the function pointers to NULL. */ - #define SDL_X11_MODULE(modname) SDL_X11_HAVE_##modname = 1; - #define SDL_X11_SYM(rc,fn,params,args,ret) p##fn = NULL; - #include "SDL_x11sym.h" - #undef SDL_X11_MODULE - #undef SDL_X11_SYM - - #ifdef X_HAVE_UTF8_STRING - pXCreateIC = NULL; - pXGetICValues = NULL; - #endif - - for (i = 0; i < SDL_TABLESIZE(x11libs); i++) { - if (x11libs[i].lib != NULL) { - SDL_UnloadObject(x11libs[i].lib); - x11libs[i].lib = NULL; - } - } - } - } - #endif -} - -/* returns non-zero if all needed symbols were loaded. */ -int SDL_X11_LoadSymbols(void) -{ - int rc = 1; /* always succeed if not using Dynamic X11 stuff. */ - - #ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC - /* deal with multiple modules (dga, x11, etc) needing these symbols... */ - if (x11_load_refcount++ == 0) { - int i; - int *thismod = NULL; - for (i = 0; i < SDL_TABLESIZE(x11libs); i++) { - if (x11libs[i].libname != NULL) { - x11libs[i].lib = SDL_LoadObject(x11libs[i].libname); - } - } - #define SDL_X11_MODULE(modname) thismod = &SDL_X11_HAVE_##modname; - #define SDL_X11_SYM(a,fn,x,y,z) X11_GetSym(#fn,thismod,(void**)&p##fn); - #include "SDL_x11sym.h" - #undef SDL_X11_MODULE - #undef SDL_X11_SYM - - #ifdef X_HAVE_UTF8_STRING - X11_GetSym("XCreateIC",&SDL_X11_HAVE_UTF8,(void **)&pXCreateIC); - X11_GetSym("XGetICValues",&SDL_X11_HAVE_UTF8,(void **)&pXGetICValues); - #endif - - /* - * In case we're built with newer Xlib headers, we need to make sure - * that _XGetRequest() is available, even on older systems. - * Otherwise, various Xlib macros we use will call a NULL pointer. - */ - if (!SDL_X11_HAVE_XGETREQUEST) { - p_XGetRequest = SDL_XGetRequest_workaround; - } - - if (SDL_X11_HAVE_BASEXLIB) { /* all required symbols loaded. */ - SDL_ClearError(); - XInitThreads(); - } else { - SDL_X11_UnloadSymbols(); /* in case something got loaded... */ - rc = 0; - } - } - #else - #if DEBUG_DYNAMIC_X11 - printf("X11: No dynamic X11 support in this build of SDL.\n"); - #endif - #ifdef X_HAVE_UTF8_STRING - pXCreateIC = XCreateIC; - pXGetICValues = XGetICValues; - #endif - #endif - - return rc; -} - -/* end of SDL_x11dyn.c ... */ - |