From e6b363ef54653bbf1372f95aaf141961d0ba5a56 Mon Sep 17 00:00:00 2001
From: refraction <refraction@96395faa-99c1-11dd-bbfe-3dabce05a288>
Date: Fri, 28 Feb 2014 21:38:04 +0000
Subject: [PATCH] Path3 Masking: Lower the Intermediate mode threshold for
 smaller packets, fixes some small texture glitches on Path3 masking games
 such as Wallace & Gromit

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5919 96395faa-99c1-11dd-bbfe-3dabce05a288
---
 pcsx2/Gif.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pcsx2/Gif.cpp b/pcsx2/Gif.cpp
index 96e3ba08b9..c28849e81c 100644
--- a/pcsx2/Gif.cpp
+++ b/pcsx2/Gif.cpp
@@ -117,7 +117,16 @@ __fi void gifInterrupt()
 }
 
 static u32 WRITERING_DMA(u32 *pMem, u32 qwc) {
-	if(gifRegs.stat.IMT) qwc = std::min(qwc, 1024u);
+	if (gifRegs.stat.IMT)
+	{
+		//Splitting by 8qw can be really slow, so on bigger packets be less picky.
+		//Some games like Wallace & Gromit like smaller packets to be split correctly, hopefully with little impact on speed.
+		//68 works for W&G but 128 is more of a safe point.
+		if (qwc > 128)
+			qwc = std::min(qwc, 1024u);
+		else
+			qwc = std::min(qwc, 8u);
+	}
 	uint size = gifUnit.TransferGSPacketData(GIF_TRANS_DMA, (u8*)pMem, qwc*16) / 16;
 	incGifChAddr(size);
 	return size;