hmd orient, vr ui

src/main.cpp

@@ -709,6 +709,9 @@ int main(int argc, char** argv)
     std::condition_variable hmd_render_cv;
 
     std::thread hmd_renderer([&] {
+        if (!vive)
+            return;
+
         BT_SetTerminate();
         LOG("start hmd render thread");