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materialsystem/stdshaders/debugtangentspace_vs20.fxc

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+// DYNAMIC: "COMPRESSED_VERTS"	"0..1"
+// DYNAMIC: "DOWATERFOG"		"0..1"
+// DYNAMIC: "SKINNING"			"0..1"
+
+#include "common_vs_fxc.h"
+
+static const int g_FogType	= DOWATERFOG;
+static const bool g_bSkinning		= SKINNING ? true : false;
+
+
+struct VS_INPUT
+{
+	float4 vPos				: POSITION;
+	float4 vBoneWeights		: BLENDWEIGHT;
+	float4 vBoneIndices		: BLENDINDICES;
+	float4 vNormal			: NORMAL;
+};
+
+struct VS_OUTPUT
+{
+	float4 vProjPos		: POSITION;
+	
+	float4 vDiffuse		: COLOR0;
+	
+	float4 fogFactorW	: COLOR1;
+
+#if !defined( _X360 )    
+	float  fog			: FOG;
+#endif
+};
+
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o = ( VS_OUTPUT )0;
+
+	float3 vObjNormal;
+	DecompressVertex_Normal( v.vNormal, vObjNormal );
+
+	float3 worldPos, worldNormal;
+	SkinPositionAndNormal( g_bSkinning, v.vPos, vObjNormal, v.vBoneWeights, v.vBoneIndices, worldPos, worldNormal );
+		
+	o.vProjPos = mul( float4( worldPos, 1 ), cViewProj );
+	
+	o.fogFactorW = CalcFog( worldPos, o.vProjPos, g_FogType );
+#if !defined( _X360 )
+	o.fog = o.fogFactorW;
+#endif
+
+	// stick the normal in the color channel
+	o.vDiffuse.rgb = worldNormal;
+	o.vDiffuse.a = 1.0f;
+	
+	return o;
+}