struct fragment
{
      float4 pos: WPOS; // world position
      float4 color0  : COLOR0;
      float4 texCoord: TEXCOORD0;      
      float4 lindepth: TEXCOORD1;
};


struct pixel
{
      float4 color0: COLOR0;
      float4 color1: COLOR1;
};


pixel main(fragment IN, uniform sampler2D tex, uniform float maxDepth)
//pixel main(fragment IN, uniform sampler2D tex)
{
     pixel pix;
      
     pix.color0 = IN.color0 * tex2D(tex, IN.texCoord.xy);
     pix.color1 = IN.lindepth.z * maxDepth;// * IN.pos.z / IN.pos.w;
    // pix.color1.w = 1;

     return pix;
}