bgfx/3rdparty/glsl-optimizer/tests/fragment/unity-Hidden_Edge_Detect_X-ir.txt

struct v2f {
  vec4 pos;
  vec2 uv[3];
};
uniform float _Treshold;
uniform sampler2D _MainTex;
vec4 frag (
  in v2f i
)
{
  float len;
  vec3 diff;
  vec3 p3;
  vec3 p2;
  vec3 p1;
  vec4 original;
  vec4 tmpvar_1;
  tmpvar_1 = texture2D (_MainTex, i.uv[0]);
  vec4 tmpvar_2;
  tmpvar_2 = tmpvar_1;
  original = tmpvar_2;
  vec3 tmpvar_3;
  tmpvar_3 = original.xyz;
  p1 = tmpvar_3;
  vec4 tmpvar_4;
  tmpvar_4 = texture2D (_MainTex, i.uv[1]);
  vec3 tmpvar_5;
  tmpvar_5 = tmpvar_4.xyz;
  p2 = tmpvar_5;
  vec4 tmpvar_6;
  tmpvar_6 = texture2D (_MainTex, i.uv[2]);
  vec3 tmpvar_7;
  tmpvar_7 = tmpvar_6.xyz;
  p3 = tmpvar_7;
  vec3 tmpvar_8;
  tmpvar_8 = (((p1 * 2.0) - p2) - p3);
  diff = tmpvar_8;
  float tmpvar_9;
  tmpvar_9 = dot (diff, diff);
  float tmpvar_10;
  tmpvar_10 = tmpvar_9;
  len = tmpvar_10;
  if ((len >= _Treshold)) {
    vec3 tmpvar_11;
    tmpvar_11 = vec3(0.0, 0.0, 0.0);
    original.xyz = tmpvar_11.xyz.xyz;
  };
  return original;
}

void main ()
{
  v2f xlt_i;
  vec4 xl_retval;
  vec4 tmpvar_1;
  tmpvar_1 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_i.pos = tmpvar_1;
  vec2 tmpvar_2;
  tmpvar_2 = gl_TexCoord[0].xy;
  vec2 tmpvar_3;
  tmpvar_3 = tmpvar_2;
  xlt_i.uv[0] = tmpvar_3;
  vec2 tmpvar_4;
  tmpvar_4 = gl_TexCoord[1].xy;
  vec2 tmpvar_5;
  tmpvar_5 = tmpvar_4;
  xlt_i.uv[1] = tmpvar_5;
  vec2 tmpvar_6;
  tmpvar_6 = gl_TexCoord[2].xy;
  vec2 tmpvar_7;
  tmpvar_7 = tmpvar_6;
  xlt_i.uv[2] = tmpvar_7;
  vec4 tmpvar_8;
  tmpvar_8 = frag (xlt_i);
  vec4 tmpvar_9;
  tmpvar_9 = tmpvar_8;
  xl_retval = tmpvar_9;
  vec4 tmpvar_10;
  tmpvar_10 = xl_retval.xyzw;
  vec4 tmpvar_11;
  tmpvar_11 = tmpvar_10;
  gl_FragData[0] = tmpvar_11;
}