29 #define INCL_DOSERRORS 49 #define SDL_DYNAPI_VERSION 1 61 #define DISABLE_JUMP_MAGIC 1 63 #if DISABLE_JUMP_MAGIC 65 #define SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, logname, prio) \ 66 _static void SDLCALL SDL_Log##logname##name(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \ 67 va_list ap; initcall; va_start(ap, fmt); \ 68 jump_table.SDL_LogMessageV(category, SDL_LOG_PRIORITY_##prio, fmt, ap); \ 72 #define SDL_DYNAPI_VARARGS(_static, name, initcall) \ 73 _static int SDLCALL SDL_SetError##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \ 75 va_list ap; initcall; va_start(ap, fmt); \ 76 jump_table.SDL_vsnprintf(buf, sizeof (buf), fmt, ap); \ 78 return jump_table.SDL_SetError("%s", buf); \ 80 _static int SDLCALL SDL_sscanf##name(const char *buf, SDL_SCANF_FORMAT_STRING const char *fmt, ...) { \ 81 int retval; va_list ap; initcall; va_start(ap, fmt); \ 82 retval = jump_table.SDL_vsscanf(buf, fmt, ap); \ 86 _static int SDLCALL SDL_snprintf##name(SDL_OUT_Z_CAP(maxlen) char *buf, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \ 87 int retval; va_list ap; initcall; va_start(ap, fmt); \ 88 retval = jump_table.SDL_vsnprintf(buf, maxlen, fmt, ap); \ 92 _static void SDLCALL SDL_Log##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \ 93 va_list ap; initcall; va_start(ap, fmt); \ 94 jump_table.SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, fmt, ap); \ 97 _static void SDLCALL SDL_LogMessage##name(int category, SDL_LogPriority priority, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \ 98 va_list ap; initcall; va_start(ap, fmt); \ 99 jump_table.SDL_LogMessageV(category, priority, fmt, ap); \ 102 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Verbose, VERBOSE) \ 103 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Debug, DEBUG) \ 104 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Info, INFO) \ 105 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Warn, WARN) \ 106 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Error, ERROR) \ 107 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Critical, CRITICAL) 114 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \ 115 typedef rc (SDLCALL *SDL_DYNAPIFN_##fn) params; \ 116 static rc SDLCALL fn##_DEFAULT params; \ 117 extern rc SDLCALL fn##_REAL params; 119 #undef SDL_DYNAPI_PROC 123 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) SDL_DYNAPIFN_##fn fn; 125 #undef SDL_DYNAPI_PROC 129 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) static rc SDLCALL fn##_DEFAULT params; 131 #undef SDL_DYNAPI_PROC 135 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) fn##_DEFAULT, 137 #undef SDL_DYNAPI_PROC 141 #if DISABLE_JUMP_MAGIC 142 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \ 143 static rc SDLCALL fn##_DEFAULT params { \ 144 SDL_InitDynamicAPI(); \ 145 ret jump_table.fn args; \ 147 #define SDL_DYNAPI_PROC_NO_VARARGS 1 149 #undef SDL_DYNAPI_PROC 150 #undef SDL_DYNAPI_PROC_NO_VARARGS 158 #if DISABLE_JUMP_MAGIC 159 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \ 160 rc SDLCALL fn params { ret jump_table.fn args; } 161 #define SDL_DYNAPI_PROC_NO_VARARGS 1 163 #undef SDL_DYNAPI_PROC 164 #undef SDL_DYNAPI_PROC_NO_VARARGS 181 }
else if (tablesize >
sizeof (jump_table)) {
186 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) jump_table.fn = fn##_REAL; 188 #undef SDL_DYNAPI_PROC 191 if (output_jump_table != &jump_table) {
192 jump_table.SDL_memcpy(output_jump_table, &jump_table, tablesize);
215 #if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) 216 #ifndef WIN32_LEAN_AND_MEAN 217 #define WIN32_LEAN_AND_MEAN 1 222 HANDLE lib = LoadLibraryA(fname);
225 retval = GetProcAddress(lib, sym);
233 #elif defined(unix) || defined(__unix__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__QNX__) 237 void *lib = dlopen(fname, RTLD_NOW | RTLD_LOCAL);
240 retval = dlsym(lib, sym);
241 if (retval ==
NULL) {
248 #elif defined(__OS2__) 254 if (DosLoadModule(&error,
sizeof(error), fname, &hmodule) == NO_ERROR) {
255 if (DosQueryProcAddr(hmodule, 0, sym, &retval) != NO_ERROR) {
256 DosFreeModule(hmodule);
263 #error Please define your platform. 270 const char *libname = SDL_getenv_REAL(
"SDL_DYNAMIC_API");
315 #if !SDL_ATOMIC_DISABLED 317 SDL_AtomicLock_REAL(&lock);
320 if (!already_initialized) {
325 #if !SDL_ATOMIC_DISABLED 326 SDL_AtomicUnlock_REAL(&lock);
GLenum GLsizei GLenum GLenum const void * table
static SDL_INLINE void * get_sdlapi_entry(const char *fname, const char *sym)
Sint32(* SDL_DYNAPI_ENTRYFN)(Uint32 apiver, void *table, Uint32 tablesize)
#define SDL_DYNAPI_VERSION
static void SDL_InitDynamicAPI(void)
static SDL_DYNAPI_jump_table jump_table
static void SDL_InitDynamicAPILocked(void)
Sint32 SDL_DYNAPI_entry(Uint32, void *, Uint32)
#define SDL_DYNAPI_VARARGS(_static, name, initcall)
static Sint32 initialize_jumptable(Uint32 apiver, void *table, Uint32 tablesize)