source: GTP/branches/IllumWPdeliver2008dec/IlluminationWP/demos/OgreGames/CarGame/Media/materials/programs/GameTools_CubeMap.hlsl @ 3255

void deaultVS(half4 position : POSITION,
                out half3 wPos  : TEXCOORD1,                            
                half2 texCoord : TEXCOORD0,
                out half2 otexCoord : TEXCOORD0,
                half3 normal   : NORMAL,
                out half3 mNormal  : TEXCOORD2,
                out half4 hPos : POSITION,              
                uniform float4x4 worldViewProj,
                uniform float4x4 world)
{
 
  hPos = mul(worldViewProj, position);
  wPos = mul(world, position).xyz;
  mNormal = normal;
  otexCoord = texCoord;

}




void deaultPS(  half2 texCoord : TEXCOORD0, 
                half3 wPos      : TEXCOORD1,    
                half3 mNormal  : TEXCOORD2,
                uniform samplerCUBE CubeMap : register(s0),
                uniform half3 cameraPos,
                out half4 Color :COLOR0)
{
        Color = float4(1,1,1,1);
        mNormal = normalize(mNormal);
        half3 V = normalize(wPos - cameraPos);
        half3 R = reflect( V, mNormal); 
        R.z *= -1;
                
        Color = texCUBE(CubeMap, R );
        
}