From 815c99b6e4c20e90eabc48ebc714a438fbddaf75 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Sun, 12 Apr 2015 17:57:37 +0200
Subject: [PATCH] gsdx-hack: remove an extra offset + duplicate linear
 computing

Initially code aligned texture on pixel boundary + 1/16th. It seems to work without it.
---
 plugins/GSdx/GSRendererHW.cpp | 40 ++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 10 deletions(-)

diff --git a/plugins/GSdx/GSRendererHW.cpp b/plugins/GSdx/GSRendererHW.cpp
index 39414347ec..c8fc81a45c 100644
--- a/plugins/GSdx/GSRendererHW.cpp
+++ b/plugins/GSdx/GSRendererHW.cpp
@@ -282,21 +282,41 @@ void GSRendererHW::RoundSpriteOffset()
 		// will be sampled so (t0 - 8) and (t1 - 8 + 16) must be valid.
 		//
 		// Minus half for t1 case might be too much
-		if (tx0 <= tx1) {
-			v[i].U   = tx0 + half + 1;
-			v[i+1].U = tx1 - half + 1 + 15;
+		if (linear) {
+			if (tx0 <= tx1) {
+				v[i].U   = tx0 + half;
+				v[i+1].U = tx1 - half + 16;
+			} else {
+				v[i].U   = tx0 + 15;
+				v[i+1].U = tx1 + 15 + 16;
+			}
 		} else {
-			v[i].U   = tx0 + 15;
-			v[i+1].U = tx1 + 15 + 16;
+			if (tx0 <= tx1) {
+				v[i].U   = tx0;
+				v[i+1].U = tx1 + 16;
+			} else {
+				v[i].U   = tx0 + 15;
+				v[i+1].U = tx1 + 15 + 16;
+			}
 		}
 #endif
 #if 1
-		if (ty0 <= ty1) {
-			v[i].V   = ty0 + half + 1;
-			v[i+1].V = ty1 - half + 1 + 15;
+		if (linear) {
+			if (ty0 <= ty1) {
+				v[i].V   = ty0 + half;
+				v[i+1].V = ty1 - half + 16;
+			} else {
+				v[i].V   = ty0 + 15;
+				v[i+1].V = ty1 + 15 + 16;
+			}
 		} else {
-			v[i].V   = ty0 + 15;
-			v[i+1].V = ty1 + 15 + 16;
+			if (ty0 <= ty1) {
+				v[i].V   = ty0;
+				v[i+1].V = ty1 + 16;
+			} else {
+				v[i].V   = ty0 + 15;
+				v[i+1].V = ty1 + 15 + 16;
+			}
 		}
 #endif