From 1141bfc1a603decce8f02a85a1fc76073a646d1a Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Mon, 10 Jul 2017 08:07:45 +0200
Subject: MOHAWK: Riven: Clear the effects screen at the beginning of credits

It is used as a source for the fade from black effect. Ensures the first
fading effect fades from black and not the previous view.

Fixes #9929, #9930, #9931, #9932, #9933.
---
 engines/mohawk/riven_graphics.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/engines/mohawk/riven_graphics.cpp b/engines/mohawk/riven_graphics.cpp
index 824372a808..4dfbcab0bb 100644
--- a/engines/mohawk/riven_graphics.cpp
+++ b/engines/mohawk/riven_graphics.cpp
@@ -596,6 +596,7 @@ void RivenGraphics::beginCredits() {
 
 	// And clear our screen too
 	clearMainScreen();
+	_effectScreen->fillRect(Common::Rect(0, 0, 608, 392), _pixelFormat.RGBToColor(0, 0, 0));
 }
 
 void RivenGraphics::updateCredits() {
-- 
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