Don't touch driver->frontend outside of frontend_driver.c anymore

frontend/frontend_driver.c

@@ -176,4 +176,20 @@ environment_get_t frontend_driver_environment_get_ptr(void)
       return NULL;
    return driver->frontend_ctx->environment_get;
 }
+
+bool frontend_driver_has_get_video_driver_func(void)
+{
+   driver_t *driver = driver_get_ptr();
+   if (!driver || !driver->frontend_ctx || !driver->frontend_ctx->get_video_driver)
+      return false;
+   return true;
+}
+
+const struct video_driver *frontend_driver_get_video_driver(void)
+{
+   driver_t *driver = driver_get_ptr();
+   if (!driver || !driver->frontend_ctx || !driver->frontend_ctx->get_video_driver)
+      return NULL;
+   return driver->frontend_ctx->get_video_driver();
+}
 #endif

frontend/frontend_driver.h

@@ -124,6 +124,9 @@ void frontend_driver_init_first(void *args);
 
 environment_get_t frontend_driver_environment_get_ptr(void);
 
+bool frontend_driver_has_get_video_driver_func(void);
+
+const struct video_driver *frontend_driver_get_video_driver(void);
 #ifdef __cplusplus
 }
 #endif

gfx/video_driver.c

@@ -241,10 +241,9 @@ static bool find_video_driver(void)
    }
 #endif
 
-   if (driver->frontend_ctx &&
+   if (frontend_driver_has_get_video_driver_func())
-       driver->frontend_ctx->get_video_driver)
    {
-      current_video = driver->frontend_ctx->get_video_driver();
+      current_video = frontend_driver_get_video_driver();
 
       if (current_video)
          return true;