struct appdata {
    float4 Position	: POSITION;
    float4 UV		: TEXCOORD0;
    float4 Normal	: NORMAL;
};

struct vertexOutput {
    float4 HPosition	: POSITION;
    float4 TexCoord	    : TEXCOORD0;
    float3 Neye         : TEXCOORD1;
    float3 Peye	        : TEXCOORD2;
    float3 Pmodel       : TEXCOORD3;
};
