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

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

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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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
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******************************************************************************/
/** Deferred shading framework
        // W.J. :wumpus: van der Laan 2005 //
        
        Material shader: Phong material vertex shader
*/
struct VS_OUTPUT {
   float4 pos: POSITION;
   float4 normal: TEXCOORD0;
   float2 texCoord0: TEXCOORD1;
   float1 depth: TEXCOORD2;
};

float4x4 worldViewProj;
float4x4 world;
float4x4 worldView;

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

   return Out;
}