struct fragment
{
      float4 position  : POSITION; // screen position
      float4 color0    : COLOR0;
      float4 texCoord: TEXCOORD0;
};


struct pixel
{
      float4 color : COLOR;	
};


pixel main(fragment IN, 
           const uniform sampler2D tex, 
           const uniform sampler2D depthTex)
{
      pixel OUT;
      //OUT.color = IN.color0;
	
      float4 col = tex2D(tex, IN.texCoord.xy) * 0.01;
      col += tex2D(depthTex, IN.texCoord.xy).x * 0.5;
      OUT.color = col;
	
      return OUT;
}