loader: delete loader_open_driver()

no longer used

Acked-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29771>

src/loader/loader.c

@@ -863,52 +863,3 @@ loader_open_driver_lib(const char *driver_name,
 
    return driver;
 }
-
-/**
- * Opens a DRI driver using its driver name, returning the __DRIextension
- * entrypoints.
- *
- * \param driverName - a name like "i965", "radeon", "nouveau", etc.
- * \param out_driver - Address where the dlopen() return value will be stored.
- * \param search_path_vars - NULL-terminated list of env vars that can be used
- * to override the DEFAULT_DRIVER_DIR search path.
- */
-const struct __DRIextensionRec **
-loader_open_driver(const char *driver_name,
-                   void **out_driver_handle,
-                   const char **search_path_vars,
-                   bool driver_name_is_inferred)
-{
-   char *get_extensions_name;
-   const struct __DRIextensionRec **extensions = NULL;
-   const struct __DRIextensionRec **(*get_extensions)(void);
-
-   void *driver = loader_open_driver_lib("libgallium", "", search_path_vars,
-                                         DEFAULT_DRIVER_DIR, !driver_name_is_inferred);
-
-   if (!driver)
-      goto failed;
-
-   get_extensions_name = loader_get_extensions_name(driver_name);
-   if (get_extensions_name) {
-      get_extensions = dlsym(driver, get_extensions_name);
-      if (get_extensions) {
-         extensions = get_extensions();
-      } else {
-         log_(_LOADER_DEBUG, "MESA-LOADER: driver does not expose %s(): %s\n",
-              get_extensions_name, dlerror());
-      }
-      free(get_extensions_name);
-   }
-
-   if (extensions == NULL) {
-      log_(_LOADER_WARNING,
-           "MESA-LOADER: driver exports no extensions (%s)\n", dlerror());
-      dlclose(driver);
-      driver = NULL;
-   }
-
-failed:
-   *out_driver_handle = driver;
-   return extensions;
-}

src/loader/loader.h

@@ -69,12 +69,6 @@ loader_open_driver_lib(const char *driver_name,
                        const char *default_search_path,
                        bool warn_on_fail);
 
-const struct __DRIextensionRec **
-loader_open_driver(const char *driver_name,
-                   void **out_driver_handle,
-                   const char **search_path_vars,
-                   bool driver_name_is_inferred);
-
 char *
 loader_get_device_name_for_fd(int fd);