From 3a7e5f16479cb34509cf5c05b345a9f8154a3842 Mon Sep 17 00:00:00 2001
From: Simei Yin
Date: Thu, 3 Aug 2017 08:04:00 +0200
Subject: SLUDGE: Fix backdrop loading error

---
 engines/sludge/backdrop.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/engines/sludge/backdrop.cpp b/engines/sludge/backdrop.cpp
index 62eef91d07..23ddfe6bf5 100644
--- a/engines/sludge/backdrop.cpp
+++ b/engines/sludge/backdrop.cpp
@@ -224,6 +224,8 @@ bool GraphicsManager::reserveBackdrop() {
 	_vm->_evtMan->mouseX() = (int)((float)_vm->_evtMan->mouseX() / _cameraZoom);
 	_vm->_evtMan->mouseY() = (int)((float)_vm->_evtMan->mouseY() / _cameraZoom);
 
+	_backdropSurface.create(_sceneWidth, _sceneHeight, *_vm->getScreenPixelFormat());
+
 	return true;
 }
 
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