From 5bfcd07b353f2c52b067ca475aba7fec5a3224c2 Mon Sep 17 00:00:00 2001
From: Henrik Rydgard <hrydgard@gmail.com>
Date: Wed, 4 Nov 2015 22:57:22 +0100
Subject: [PATCH] Viewport clipping/overage fix

---
 GPU/GLES/StateMapping.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/GPU/GLES/StateMapping.cpp b/GPU/GLES/StateMapping.cpp
index 3a48c5e49d..b25b6a1014 100644
--- a/GPU/GLES/StateMapping.cpp
+++ b/GPU/GLES/StateMapping.cpp
@@ -879,7 +879,7 @@ void TransformDrawEngine::ApplyDrawState(int prim) {
 			float overageTop = std::max(-top, 0.0f);
 			float overageBottom = std::max(bottom - renderHeight, 0.0f);
 			// Our center drifted by the difference in overages.
-			float drift = overageTop - overageBottom;
+			float drift = overageBottom - overageTop;
 
 			top += overageTop;
 			bottom -= overageBottom;