uniform sampler2D _MainTex;
uniform float _Cutoff;
void main ()
{
  vec4 tmpvar_1;
  tmpvar_1 = gl_TexCoord[1];
  float x;
  x = (texture2D (_MainTex, gl_TexCoord[0].xy).w - _Cutoff);
  if ((x < 0.0)) {
    discard;
  };
  vec4 enc;
  enc.xy = ((((tmpvar_1.xy / (tmpvar_1.z + 1.0)) / 1.7777) * 0.5) + 0.5);
  vec2 enc_i0_i1;
  vec2 tmpvar_2;
  tmpvar_2 = fract ((vec2(1.0, 255.0) * tmpvar_1.w));
  enc_i0_i1 = tmpvar_2;
  enc_i0_i1.x = (tmpvar_2.x - (tmpvar_2.y * 0.00392157));
  enc.zw = enc_i0_i1;
  gl_FragData[0] = enc;
}