From cf995d07163e56551a9dc712eec3072b045adfa3 Mon Sep 17 00:00:00 2001
From: gabest11 <gabest11@96395faa-99c1-11dd-bbfe-3dabce05a288>
Date: Fri, 10 Apr 2009 19:55:05 +0000
Subject: [PATCH] GSdx: GoW2 fix, 16 bit drawing that caused the green overlay
 is skipped (character shadow)

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@950 96395faa-99c1-11dd-bbfe-3dabce05a288
---
 plugins/GSdx/GSRendererHW.h | 29 +++++++++++++++++++++++++++++
 plugins/GSdx/GSState.cpp    | 18 +++++++++++++++++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/plugins/GSdx/GSRendererHW.h b/plugins/GSdx/GSRendererHW.h
index e343852712..e7b46f7c6f 100644
--- a/plugins/GSdx/GSRendererHW.h
+++ b/plugins/GSdx/GSRendererHW.h
@@ -507,6 +507,35 @@ protected:
 
 		#pragma endregion
 
+		#pragma region GoW2 z buffer clear
+
+		if(m_game.title == CRC::GodOfWar2)
+		{
+			DWORD FBP = m_context->FRAME.Block();
+			DWORD FBW = m_context->FRAME.FBW;
+			DWORD FPSM = m_context->FRAME.PSM;
+
+			if(FBP == 0x00f00 && FPSM == PSM_PSMZ24)
+			{
+				GIFRegTEX0 TEX0;
+
+				TEX0.TBP0 = FBP;
+				TEX0.TBW = FBW;
+				TEX0.PSM = FPSM;
+
+				if(GSTextureCache<Device>::GSDepthStencil* ds = m_tc->GetDepthStencil(TEX0, m_width, m_height))
+				{
+					m_dev.ClearDepth(ds->m_texture, 0);
+				}
+
+				return false;
+			}
+
+			return true;
+		}
+
+		#pragma endregion
+
 		return true;
 	}
 
diff --git a/plugins/GSdx/GSState.cpp b/plugins/GSdx/GSState.cpp
index ff17150ec4..de18465acd 100644
--- a/plugins/GSdx/GSState.cpp
+++ b/plugins/GSdx/GSState.cpp
@@ -2081,6 +2081,22 @@ bool GSC_GodOfWar(const GSFrameInfo& fi, int& skip)
 	return true;
 }
 
+bool GSC_GodOfWar2(const GSFrameInfo& fi, int& skip)
+{
+	if(skip == 0)
+	{
+		if(fi.TME && fi.FBP == 0x00100 && fi.FPSM == PSM_PSMCT16 && fi.TBP0 == 0x00100 && fi.TPSM == PSM_PSMCT16)
+		{
+			skip = 30; // shadows
+		}
+	}
+	else
+	{
+	}
+
+	return true;
+}
+
 bool GSC_GiTS(const GSFrameInfo& fi, int& skip)
 {
 	if(skip == 0)
@@ -2172,7 +2188,7 @@ bool GSState::IsBadFrame(int& skip)
 		map[CRC::Tekken5] = GSC_Tekken5;
 		map[CRC::IkkiTousen] = GSC_IkkiTousen;
 		map[CRC::GodOfWar] = GSC_GodOfWar;
-		map[CRC::GodOfWar2] = GSC_GodOfWar;
+		map[CRC::GodOfWar2] = GSC_GodOfWar2;
 		map[CRC::GiTS] = GSC_GiTS;
 		map[CRC::Onimusha3] = GSC_Onimusha3;
 		map[CRC::TalesOfAbyss] = GSC_TalesOfAbyss;