From cde72300a5aea95bbd3d99690519896dcafdbd75 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Mon, 13 Apr 2015 22:06:34 +0200
Subject: [PATCH] gsdx hack: Correct formulae for reversed texture

It fixes issues on Ace Combat UI
---
 plugins/GSdx/GSRendererHW.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/plugins/GSdx/GSRendererHW.cpp b/plugins/GSdx/GSRendererHW.cpp
index e741fb0978..10b93bfc73 100644
--- a/plugins/GSdx/GSRendererHW.cpp
+++ b/plugins/GSdx/GSRendererHW.cpp
@@ -296,7 +296,7 @@ void GSRendererHW::RoundSpriteOffset()
 				v[i+1].U = tx1 - half + 16;
 			} else {
 				v[i].U   = tx0 + 15;
-				v[i+1].U = tx1 + 15 + 16;
+				v[i+1].U = tx1 + 15 - 16;
 			}
 		} else {
 			if (tx0 <= tx1) {
@@ -304,7 +304,7 @@ void GSRendererHW::RoundSpriteOffset()
 				v[i+1].U = tx1 + 16;
 			} else {
 				v[i].U   = tx0 + 15;
-				v[i+1].U = tx1 + 15 + 16;
+				v[i+1].U = tx1 + 15 - 16;
 			}
 		}
 #endif
@@ -315,7 +315,7 @@ void GSRendererHW::RoundSpriteOffset()
 				v[i+1].V = ty1 - half + 16;
 			} else {
 				v[i].V   = ty0 + 15;
-				v[i+1].V = ty1 + 15 + 16;
+				v[i+1].V = ty1 + 15 - 16;
 			}
 		} else {
 			if (ty0 <= ty1) {
@@ -323,7 +323,7 @@ void GSRendererHW::RoundSpriteOffset()
 				v[i+1].V = ty1 + 16;
 			} else {
 				v[i].V   = ty0 + 15;
-				v[i+1].V = ty1 + 15 + 16;
+				v[i+1].V = ty1 + 15 - 16;
 			}
 		}
 #endif