29 #define INCL_DOSERRORS
48 #define SDL_DYNAPI_VERSION 1
60 #define DISABLE_JUMP_MAGIC 1
62 #if DISABLE_JUMP_MAGIC
64 #define SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, logname, prio) \
65 _static void SDLCALL SDL_Log##logname##name(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
66 va_list ap; initcall; va_start(ap, fmt); \
67 jump_table.SDL_LogMessageV(category, SDL_LOG_PRIORITY_##prio, fmt, ap); \
71 #define SDL_DYNAPI_VARARGS(_static, name, initcall) \
72 _static int SDLCALL SDL_SetError##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
74 va_list ap; initcall; va_start(ap, fmt); \
75 jump_table.SDL_vsnprintf(buf, sizeof (buf), fmt, ap); \
77 return jump_table.SDL_SetError("%s", buf); \
79 _static int SDLCALL SDL_sscanf##name(const char *buf, SDL_SCANF_FORMAT_STRING const char *fmt, ...) { \
80 int retval; va_list ap; initcall; va_start(ap, fmt); \
81 retval = jump_table.SDL_vsscanf(buf, fmt, ap); \
85 _static int SDLCALL SDL_snprintf##name(SDL_OUT_Z_CAP(maxlen) char *buf, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
86 int retval; va_list ap; initcall; va_start(ap, fmt); \
87 retval = jump_table.SDL_vsnprintf(buf, maxlen, fmt, ap); \
91 _static void SDLCALL SDL_Log##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
92 va_list ap; initcall; va_start(ap, fmt); \
93 jump_table.SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, fmt, ap); \
96 _static void SDLCALL SDL_LogMessage##name(int category, SDL_LogPriority priority, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
97 va_list ap; initcall; va_start(ap, fmt); \
98 jump_table.SDL_LogMessageV(category, priority, fmt, ap); \
101 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Verbose, VERBOSE) \
102 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Debug, DEBUG) \
103 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Info, INFO) \
104 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Warn, WARN) \
105 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Error, ERROR) \
106 SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, Critical, CRITICAL)
113 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \
114 typedef rc (SDLCALL *SDL_DYNAPIFN_##fn) params; \
115 static rc SDLCALL fn##_DEFAULT params; \
116 extern rc SDLCALL fn##_REAL params;
118 #undef SDL_DYNAPI_PROC
122 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) SDL_DYNAPIFN_##fn fn;
124 #undef SDL_DYNAPI_PROC
128 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) static rc SDLCALL fn##_DEFAULT params;
130 #undef SDL_DYNAPI_PROC
134 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) fn##_DEFAULT,
136 #undef SDL_DYNAPI_PROC
140 #if DISABLE_JUMP_MAGIC
141 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \
142 static rc SDLCALL fn##_DEFAULT params { \
143 SDL_InitDynamicAPI(); \
144 ret jump_table.fn args; \
146 #define SDL_DYNAPI_PROC_NO_VARARGS 1
148 #undef SDL_DYNAPI_PROC
149 #undef SDL_DYNAPI_PROC_NO_VARARGS
157 #if DISABLE_JUMP_MAGIC
158 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \
159 rc SDLCALL fn params { ret jump_table.fn args; }
160 #define SDL_DYNAPI_PROC_NO_VARARGS 1
162 #undef SDL_DYNAPI_PROC
163 #undef SDL_DYNAPI_PROC_NO_VARARGS
185 }
else if (tablesize >
sizeof (jump_table)) {
190 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) jump_table.fn = fn##_REAL;
192 #undef SDL_DYNAPI_PROC
195 if (output_jump_table != &jump_table) {
196 jump_table.SDL_memcpy(output_jump_table, &jump_table, tablesize);
207 #if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
208 #ifndef WIN32_LEAN_AND_MEAN
209 #define WIN32_LEAN_AND_MEAN 1
214 HANDLE lib = LoadLibraryA(fname);
217 retval = GetProcAddress(lib, sym);
225 #elif defined(unix) || defined(__unix__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__QNX__)
229 void *lib = dlopen(fname, RTLD_NOW | RTLD_LOCAL);
232 retval = dlsym(lib, sym);
233 if (retval ==
NULL) {
240 #elif defined(__OS2__)
246 if (DosLoadModule(&error,
sizeof(error), fname, &hmodule) == NO_ERROR) {
247 if (DosQueryProcAddr(hmodule, 0, sym, &retval) != NO_ERROR) {
248 DosFreeModule(hmodule);
255 #error Please define your platform.
262 const char *libname = SDL_getenv_REAL(
"SDL_DYNAMIC_API");
308 #if !SDL_ATOMIC_DISABLED
310 SDL_AtomicLock_REAL(&lock);
313 if (!already_initialized) {
318 #if !SDL_ATOMIC_DISABLED
319 SDL_AtomicUnlock_REAL(&lock);
GLenum GLsizei GLenum GLenum const void * table
Sint32(* SDL_DYNAPI_ENTRYFN)(Uint32 apiver, void *table, Uint32 tablesize)
static SDL_INLINE void * get_sdlapi_entry(const char *fname, const char *sym)
#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)