perf(mainloop): set the display to update least once per frame
@@ -315,6 +315,7 @@ int LCUIMainLoop_Run( LCUI_MainLoop loop )
MainApp.loop = loop;
while( loop->state != STATE_EXITED ) {
LCUI_ProcessEvents();
+ LCUIDisplay_Update();
LCUIDisplay_Render();
LCUIDisplay_Present();
StepTimer_Remain( MainApp.timer );
