diff --git a/Source/Core/Common/Src/LinearDiskCache.h b/Source/Core/Common/Src/LinearDiskCache.h
index d4d691eb79..6d344ebcdb 100644
--- a/Source/Core/Common/Src/LinearDiskCache.h
+++ b/Source/Core/Common/Src/LinearDiskCache.h
@@ -26,7 +26,7 @@
 // shader cache for every revision, graphics-related or not, which is simply annoying.
 enum
 {
-	LINEAR_DISKCACHE_VER = 6505
+	LINEAR_DISKCACHE_VER = 6517
 };
 
 // On disk format:
diff --git a/Source/Core/VideoCommon/Src/BPFunctions.cpp b/Source/Core/VideoCommon/Src/BPFunctions.cpp
index ca88cc5486..41302ad947 100644
--- a/Source/Core/VideoCommon/Src/BPFunctions.cpp
+++ b/Source/Core/VideoCommon/Src/BPFunctions.cpp
@@ -89,7 +89,8 @@ void CopyEFB(const BPCmd &bp, const EFBRectangle &rc, const u32 &address, const
 void ClearScreen(const BPCmd &bp, const EFBRectangle &rc)
 {
 	bool colorEnable = bpmem.blendmode.colorupdate;
-	bool alphaEnable = (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24 && bpmem.blendmode.alphaupdate);
+	//bool alphaEnable = (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24 && bpmem.blendmode.alphaupdate);
+	bool alphaEnable = bpmem.blendmode.alphaupdate;
 	bool zEnable = bpmem.zmode.updateenable;
 
 	if (colorEnable || alphaEnable || zEnable)
diff --git a/Source/Core/VideoCommon/Src/DLCache.cpp b/Source/Core/VideoCommon/Src/DLCache.cpp
index afeaa69885..932d561580 100644
--- a/Source/Core/VideoCommon/Src/DLCache.cpp
+++ b/Source/Core/VideoCommon/Src/DLCache.cpp
@@ -229,7 +229,6 @@ inline u64 CreateVMapId(u8 VATUSED)
 	{
 		if(VATUSED & (1 << i))
 		{
-			//vmap_id ^= GetHash64((u8*)(&g_VtxAttr[i].g0.),sizeof(VAT),0);
 			if(vmap_id != 0)
 			{
 				vmap_id ^= (((u64)g_VtxAttr[i].g0.Hex) | (((u64)g_VtxAttr[i].g1.Hex) << 32)) ^ (((u64)g_VtxAttr[i].g2.Hex) << 16); 
@@ -240,7 +239,7 @@ inline u64 CreateVMapId(u8 VATUSED)
 			}
 		}
 	}
-	return vmap_id;
+	return vmap_id ^ g_VtxDesc.Hex;
 }
 
 typedef std::map<u64, CachedDisplayList> DLMap;
@@ -563,13 +562,8 @@ bool CompileAndRunDisplayList(u32 address, int size, CachedDisplayList *dl)
 						NewRegion->hash = 0;					
 						dl->InsertRegion(NewRegion);
 						memcpy(NewRegion->start_address, StartAddress, Vdatasize);
-						emitter.ABI_CallFunctionCCCP((void *)&VertexLoaderManager::RunCompiledVertices, cmd_byte & GX_VAT_MASK, (cmd_byte & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT, numVertices, NewRegion->start_address);	
-						/*ReferencedDataRegion* VatRegion = new ReferencedDataRegion;
-						VatRegion->MustClean = false;
-						VatRegion->size = sizeof(VAT);
-						VatRegion->start_address = (u8*)(&g_VtxAttr[cmd_byte & GX_VAT_MASK]); 
-						VatRegion->hash = GetHash64(NewRegion->start_address, VatRegion->size, 0);
-						dl->InsertRegion(VatRegion);*/
+						emitter.ABI_CallFunctionCCCP((void *)&VertexLoaderManager::RunCompiledVertices, cmd_byte & GX_VAT_MASK, (cmd_byte & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT, numVertices, NewRegion->start_address);
+						
 					}					
 					const int tc[12] = {
 						g_VtxDesc.Position, g_VtxDesc.Normal, g_VtxDesc.Color0, g_VtxDesc.Color1, g_VtxDesc.Tex0Coord, g_VtxDesc.Tex1Coord, 
diff --git a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
index 57ec4cd2af..c333f56520 100644
--- a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
@@ -58,7 +58,7 @@ void GetPixelShaderId(PIXELSHADERUID *uid, DSTALPHA_MODE dstAlphaMode)
 	for (int i = 0; i < 8; i += 2)
 		((u8*)&uid->values[1])[i / 2] = (bpmem.tevksel[i].hex & 0xf) | ((bpmem.tevksel[i + 1].hex & 0xf) << 4);
 
-	u32 enableZTexture = (!bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable)?1:0;
+	u32 enableZTexture = (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc || g_ActiveConfig.bEnablePerPixelDepth)? 1 : 0;
 
 	uid->values[2] = (u32)bpmem.fog.c_proj_fsel.fsel |
 				   ((u32)bpmem.fog.c_proj_fsel.proj << 3) |
@@ -466,7 +466,7 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
 				nIndirectStagesUsed |= 1 << bpmem.tevind[i].bt;
 		}
 	}
-	DepthTextureEnable = bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable;
+	DepthTextureEnable = bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc || g_ActiveConfig.bEnablePerPixelDepth ;
 	// Declare samplers
 
 	if(ApiType != API_D3D11)
@@ -816,11 +816,13 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
 		if (DepthTextureEnable)
 		{
 			// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
-			if (bpmem.ztex2.op == ZTEXTURE_ADD)
-				WRITE(p, "zCoord = dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w + zCoord;\n");
-			else
-				WRITE(p, "zCoord = dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w;\n");
-
+			if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc)
+			{
+				if (bpmem.ztex2.op == ZTEXTURE_ADD)
+					WRITE(p, "zCoord = dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w + zCoord;\n");
+				else
+					WRITE(p, "zCoord = dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w;\n");
+			}
 			// scale to make result from frac correct
 			WRITE(p, "zCoord = zCoord * (16777215.0f/16777216.0f);\n");
 			WRITE(p, "zCoord = frac(zCoord);\n");
diff --git a/Source/Core/VideoCommon/Src/VideoConfig.cpp b/Source/Core/VideoCommon/Src/VideoConfig.cpp
index 48d3bf3cbf..3c47ec2ad0 100644
--- a/Source/Core/VideoCommon/Src/VideoConfig.cpp
+++ b/Source/Core/VideoCommon/Src/VideoConfig.cpp
@@ -80,6 +80,7 @@ void VideoConfig::Load(const char *ini_file)
 	iniFile.Get("Settings", "AnaglyphStereoSeparation", &iAnaglyphStereoSeparation, 200);
 	iniFile.Get("Settings", "AnaglyphFocalAngle", &iAnaglyphFocalAngle, 0);
 	iniFile.Get("Settings", "EnablePixelLigting", &bEnablePixelLigting, 0);
+	iniFile.Get("Settings", "EnablePerPixelDepth", &bEnablePerPixelDepth, 0);
 	
 	iniFile.Get("Settings", "ShowShaderErrors", &bShowShaderErrors, 0);
 	iniFile.Get("Settings", "MSAA", &iMultisampleMode, 0);
@@ -196,6 +197,8 @@ void VideoConfig::Save(const char *ini_file)
 	iniFile.Set("Settings", "AnaglyphStereoSeparation", iAnaglyphStereoSeparation);
 	iniFile.Set("Settings", "AnaglyphFocalAngle", iAnaglyphFocalAngle);
 	iniFile.Set("Settings", "EnablePixelLigting", bEnablePixelLigting);
+	iniFile.Set("Settings", "EnablePerPixelDepth", bEnablePerPixelDepth);
+	
 
 	iniFile.Set("Settings", "ShowEFBCopyRegions", bShowEFBCopyRegions);
 	iniFile.Set("Settings", "ShowShaderErrors", bShowShaderErrors);
diff --git a/Source/Core/VideoCommon/Src/VideoConfig.h b/Source/Core/VideoCommon/Src/VideoConfig.h
index 9a84260177..83134a863d 100644
--- a/Source/Core/VideoCommon/Src/VideoConfig.h
+++ b/Source/Core/VideoCommon/Src/VideoConfig.h
@@ -132,6 +132,7 @@ struct VideoConfig
 	float fAspectRatioHackW, fAspectRatioHackH;
 	bool bZTPSpeedHack; // The Legend of Zelda: Twilight Princess
 	bool bEnablePixelLigting;
+	bool bEnablePerPixelDepth;
 
 	int iLog; // CONF_ bits
 	int iSaveTargetId;
diff --git a/Source/Core/VideoUICommon/Src/VideoConfigDiag.cpp b/Source/Core/VideoUICommon/Src/VideoConfigDiag.cpp
index 60aaa6b397..0fa3d5ce5f 100644
--- a/Source/Core/VideoUICommon/Src/VideoConfigDiag.cpp
+++ b/Source/Core/VideoUICommon/Src/VideoConfigDiag.cpp
@@ -162,6 +162,7 @@ VideoConfigDiag::VideoConfigDiag(wxWindow* parent, const std::string &title, con
 	szr_enh->Add(new SettingCheckBox(page_general, wxT("Load Native Mipmaps"), vconfig.bUseNativeMips));
 	szr_enh->Add(new SettingCheckBox(page_general, wxT("EFB Scaled Copy"), vconfig.bCopyEFBScaled));	
 	szr_enh->Add(new SettingCheckBox(page_general, wxT("Pixel Lighting"), vconfig.bEnablePixelLigting));
+	szr_enh->Add(new SettingCheckBox(page_general, wxT("Pixel Depth"), vconfig.bEnablePerPixelDepth));
 	szr_enh->Add(new SettingCheckBox(page_general, wxT("Force Bi/Trilinear Filtering"), vconfig.bForceFiltering));
 	
 	if (vconfig.backend_info.bSupports3DVision)