From d88827b13facfd089707f3a9edd34c8ce112ff20 Mon Sep 17 00:00:00 2001
From: Lars Skovlund
Date: Sat, 8 Oct 2011 12:23:24 +0200
Subject: SCI: Fix black screen in LSL7 intro

---
 engines/sci/graphics/frameout.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'engines/sci')

diff --git a/engines/sci/graphics/frameout.cpp b/engines/sci/graphics/frameout.cpp
index 6bd310f1a0..fcd22de7e1 100644
--- a/engines/sci/graphics/frameout.cpp
+++ b/engines/sci/graphics/frameout.cpp
@@ -368,7 +368,10 @@ void GfxFrameout::kernelFrameout() {
 			continue;
 		}
 
-		if (it->planeBack)
+		// There is a race condition lurking in SQ6, which causes the game to hang in the intro, when teleporting to Polysorbate LX.
+		// Since I first wrote the patch, the race has stopped occurring for me though.
+		// I'll leave this for investigation later, when someone can reproduce.
+		if (it->pictureId == 0xffff)
 			_paint32->fillRect(it->planeRect, it->planeBack);
 
 		GuiResourceId planeMainPictureId = it->pictureId;
-- 
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