From 2890c4b075474f3b679d2e5f7b13b91b65606988 Mon Sep 17 00:00:00 2001
From: SuuperW <SuuperW@gmail.com>
Date: Wed, 15 Aug 2018 00:47:27 -0500
Subject: [PATCH] Regression fix: Lua functions which draw to the screen work
 again.

---
 desmume/src/frontend/windows/display.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/desmume/src/frontend/windows/display.cpp b/desmume/src/frontend/windows/display.cpp
index 471463a5f..7c7bd3b74 100644
--- a/desmume/src/frontend/windows/display.cpp
+++ b/desmume/src/frontend/windows/display.cpp
@@ -693,6 +693,8 @@ void DoDisplay()
 	ColorspaceApplyIntensityToBuffer32<false, false>(video.buffer, pixCount, displayInfo.backlightIntensity[NDSDisplayID_Main]);
 	ColorspaceApplyIntensityToBuffer32<false, false>(video.buffer + pixCount, pixCount, displayInfo.backlightIntensity[NDSDisplayID_Touch]);
 
+	// Lua draws to the HUD buffer, so clear it here instead of right before redrawing the HUD.
+	aggDraw.hud->clear();
 	if (AnyLuaActive())
 	{
 		if (sthread_isself(display_thread))
@@ -707,7 +709,6 @@ void DoDisplay()
 	}
 
 	// draw hud
-	aggDraw.hud->clear();
 	DoDisplay_DrawHud();
 	if (displayMethod == DISPMETHOD_DDRAW_HW || displayMethod == DISPMETHOD_DDRAW_SW)
 	{