source: downloads/Samples/Media/DeferredShadingMedia/DeferredShading/material/hlsl/nm_vs.hlsl @ 1

/******************************************************************************
Copyright (c) W.J. van der Laan

Permission is hereby granted, free of charge, to any person obtaining a copy of 
this software  and associated documentation files (the "Software"), to deal in 
the Software without restriction, including without limitation the rights to use, 
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The above copyright notice and this permission notice shall be included in all copies 
or substantial portions of the Software.

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******************************************************************************/
/** Deferred shading framework
        // W.J. :wumpus: van der Laan 2005 //
        
        Material shader: Normal mapped
*/
struct VS_OUTPUT {
   float4 pos: POSITION;
   float4 normal: TEXCOORD0;
   float2 texCoord0: TEXCOORD1;
   float depth: TEXCOORD2;
   float3 tangent: TEXCOORD3;
   float3 binormal: TEXCOORD4;
};

float4x4 worldViewProj;
float4x4 world;
float4x4 worldView;

VS_OUTPUT main(
        float4 Pos: POSITION, 
        float3 normal: NORMAL,
        float2 texCoord0: TEXCOORD0,
        float3 tangent: TANGENT0
){
   VS_OUTPUT Out;
   
   Out.normal = mul(worldView, normal);
   float4 projPos = mul(worldViewProj, Pos);
   
   Out.tangent = mul(worldView, tangent);
   Out.binormal = cross(Out.normal, Out.tangent);
   
   Out.pos = projPos;
   Out.texCoord0 = texCoord0;
   Out.depth = projPos.w;
   //Out.depth = projPos.z/projPos.w;

   return Out;
}