From cb500d147efa0c890d30f6be7aff286d5909b315 Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Wed, 21 Sep 2011 21:09:58 -0400
Subject: PEGASUS: Clamp the dirty rect to the screen size

---
 engines/pegasus/graphics.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'engines')

diff --git a/engines/pegasus/graphics.cpp b/engines/pegasus/graphics.cpp
index 9431293aa1..2891f216d5 100644
--- a/engines/pegasus/graphics.cpp
+++ b/engines/pegasus/graphics.cpp
@@ -197,6 +197,10 @@ void GraphicsManager::invalRect(const Common::Rect &rect) {
 		// Expand our dirty rect to include rect
 		_dirtyRect.extend(rect);
 	}
+
+	// Sanity check: clip our rect to the screen
+	_dirtyRect.right = MIN<int>(640, _dirtyRect.right);
+	_dirtyRect.bottom = MIN<int>(480, _dirtyRect.bottom);
 }
 
 void GraphicsManager::addDisplayElement(DisplayElement *newElement) {
-- 
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