bgfx/3rdparty/glsl-optimizer/tests/fragment/zun-Hidden_Edge_Detect_X-out.txt

uniform float _Treshold;
uniform sampler2D _MainTex;
void main ()
{
  vec4 original_1;
  vec4 tmpvar_2;
  tmpvar_2 = texture2D (_MainTex, gl_TexCoord[0].xy);
  original_1 = tmpvar_2;
  vec3 tmpvar_3;
  tmpvar_3 = (((tmpvar_2.xyz * 2.0) - texture2D (_MainTex, gl_TexCoord[1].xy).xyz) - texture2D (_MainTex, gl_TexCoord[2].xy).xyz);
  float tmpvar_4;
  tmpvar_4 = dot (tmpvar_3, tmpvar_3);
  if ((tmpvar_4 >= _Treshold)) {
    original_1.xyz = vec3(0.0, 0.0, 0.0);
  };
  gl_FragData[0] = original_1;
}