From 2fda352baf0b16c858bbd50de2f0bb61fbef5b32 Mon Sep 17 00:00:00 2001
From: "Jake.Stine" <Jake.Stine@96395faa-99c1-11dd-bbfe-3dabce05a288>
Date: Fri, 2 Jul 2010 14:31:50 +0000
Subject: [PATCH] GSdx:  * Fix BIOS graphical errors by re-introducing part of
 the PATH1 hacks, which is still needed until further notice.  * Likely fix
 for DX10+ cards crashing on Configure...  (still can't test directly because
 MSI sucks, sorry folks)

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@3370 96395faa-99c1-11dd-bbfe-3dabce05a288
---
 plugins/GSdx/GSDevice11.cpp | 35 ++++++++++++++++-------------------
 plugins/GSdx/GSState.cpp    | 10 +++++++---
 2 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/plugins/GSdx/GSDevice11.cpp b/plugins/GSdx/GSDevice11.cpp
index 07c5d0ee20..dca96bfe34 100644
--- a/plugins/GSdx/GSDevice11.cpp
+++ b/plugins/GSdx/GSDevice11.cpp
@@ -89,12 +89,6 @@ static bool DXUTDelayLoadDXGI()
 	return ( m_DXGIFactory != NULL );
 }
 
-static void* GetDX11Proc( const char* methodname )
-{
-	if( !DXUT_EnsureD3D11APIs() ) return NULL;
-	return GetProcAddress( s_hModD3D11, methodname );
-}
-
 bool GSUtil::IsDirect3D11Available()
 {
 	static bool m_CheckRun = false;
@@ -105,21 +99,21 @@ bool GSUtil::IsDirect3D11Available()
 	if( !DXUTDelayLoadDXGI() )
 	{
 		m_D3D11Available = false;
-		return false;
+	}
+	else
+	{
+		CComPtr<ID3D11Device> dev;
+		CComPtr<ID3D11DeviceContext> ctx;
+		D3D_FEATURE_LEVEL level;
+		
+		HRESULT hr = s_DynamicD3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, D3D11_CREATE_DEVICE_SINGLETHREADED, levels, countof(levels),
+			D3D11_SDK_VERSION, &dev, &level, &ctx);
+
+		m_D3D11Available = !FAILED(hr);
+		m_HasD3D11Features = (level >= D3D_FEATURE_LEVEL_11_0);
 	}
 
-	CComPtr<ID3D11Device> dev;
-	CComPtr<ID3D11DeviceContext> ctx;
-	D3D_FEATURE_LEVEL level;
-	
-	HRESULT hr = s_DynamicD3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, D3D11_CREATE_DEVICE_SINGLETHREADED, levels, countof(levels),
-		D3D11_SDK_VERSION, &dev, &level, &ctx);
-
-	m_D3D11Available = !FAILED(hr);
-	m_HasD3D11Features = (level >= D3D_FEATURE_LEVEL_11_0);
-
-	UnloadDynamicLibraries();
-
+	if( !m_D3D11Available ) UnloadDynamicLibraries();
 	return m_D3D11Available;
 }
 
@@ -133,6 +127,8 @@ void GSUtil::UnloadDynamicLibraries()
 	if( s_hModD3D11 ) FreeLibrary(s_hModD3D11);
 	if( s_hModDXGI ) FreeLibrary(s_hModDXGI);
 
+	s_DynamicD3D11CreateDevice = NULL;
+	s_DynamicCreateDXGIFactory = NULL;
 	s_hModD3D11 = NULL;
 	s_hModDXGI = NULL;
 }
@@ -150,6 +146,7 @@ GSDevice11::GSDevice11()
 
 GSDevice11::~GSDevice11()
 {
+	GSUtil::UnloadDynamicLibraries();
 }
 
 bool GSDevice11::Create(GSWnd* wnd)
diff --git a/plugins/GSdx/GSState.cpp b/plugins/GSdx/GSState.cpp
index 455b6d6ee1..271c285a83 100644
--- a/plugins/GSdx/GSState.cpp
+++ b/plugins/GSdx/GSState.cpp
@@ -1563,22 +1563,26 @@ template<int index> void GSState::Transfer(uint8* mem, uint32 size)
 		m_dump.Transfer(index, start, mem - start);
 	}
 
-	/*if(index == 0)
+	if(index == 0)
 	{
 		if(size == 0 && path.nloop > 0)
 		{
 			if(m_mt)
 			{
-				// TODO
+				// Hackfix for BIOS, which sends an incomplete packek when it does an XGKICK without
+				// having an EOP specified anywhere in VU1 memory.  Needed until PCSX2 is fixed t
+				// handle it more properly (ie, without looping infinitely).
 
 				path.nloop = 0;
 			}
 			else
 			{
+				// Unused in 0.9.7 and above, but  might as well keep this for now; allows GSdx
+				// to work with legacy editions of PCSX2.
 				Transfer<0>(mem - 0x4000, 0x4000 / 16);
 			}
 		}
-	}*/
+	}
 }
 
 template<class T> static void WriteState(uint8*& dst, T* src, size_t len = sizeof(T))