First prototype of coroutine based UI

src/render/opengl.cpp

@@ -186,6 +186,7 @@ void BeginFrameRender(float wx, float wy) {
 
 // ---------- EndFrameRender for ES3 ----------
 void EndFrameRender(float wx, float wy, Color color) {
+    ProfileFunction();
     glEnable(GL_BLEND);
     glEnable(GL_SCISSOR_TEST);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);