bgfx/3rdparty/glsl-optimizer/tests/fragment/z-fxaa3-11-pc39-outES.txt

#extension GL_EXT_shader_texture_lod : enable
lowp vec4 impl_low_texture2DLodEXT(lowp sampler2D sampler, highp vec2 coord, mediump float lod)
{
#if defined(GL_EXT_shader_texture_lod)
	return texture2DLodEXT(sampler, coord, lod);
#else
	return texture2D(sampler, coord, lod);
#endif
}

uniform sampler2D _MainTex;
uniform highp vec4 _MainTex_TexelSize;
varying highp vec2 xlv_TEXCOORD0;
void main ()
{
  highp vec2 fxaaQualityRcpFrame_1;
  fxaaQualityRcpFrame_1 = _MainTex_TexelSize.xy;
  highp vec4 tmpvar_2;
  highp float subpixH_3;
  highp float pixelOffset_4;
  highp float spanLengthRcp_5;
  bool goodSpanP_6;
  bool goodSpanN_7;
  highp float dstP_8;
  highp float dstN_9;
  bool doneNP_10;
  bool doneP_11;
  bool doneN_12;
  bool lumaMLTZero_13;
  highp float subpixF_14;
  highp float gradientScaled_15;
  highp float lumaEndP_16;
  highp float subpixE_17;
  highp float lumaEndN_18;
  highp float subpixD_19;
  highp vec2 posP_20;
  highp vec2 posN_21;
  highp vec2 posB_22;
  bool pairN_23;
  highp float lumaSS_24;
  highp float lumaNN_25;
  highp float gradientS_26;
  highp float gradientN_27;
  highp float subpixB_28;
  highp float subpixA_29;
  bool horzSpan_30;
  highp float lengthSign_31;
  highp float lumaNWSW_32;
  highp float lumaNESE_33;
  highp float subpixRcpRange_34;
  highp float lumaWE_35;
  highp float lumaNS_36;
  highp float range_37;
  highp float lumaN_38;
  highp float lumaS_39;
  highp vec2 posM_40;
  posM_40 = xlv_TEXCOORD0;
  highp vec4 tmpvar_41;
  lowp vec4 tmpvar_42;
  tmpvar_42 = impl_low_texture2DLodEXT (_MainTex, xlv_TEXCOORD0, 0.0);
  tmpvar_41 = tmpvar_42;
  highp vec4 tmpvar_43;
  tmpvar_43.zw = vec2(0.0, 0.0);
  tmpvar_43.xy = (xlv_TEXCOORD0 + (vec2(0.0, 1.0) * _MainTex_TexelSize.xy));
  highp vec4 tmpvar_44;
  lowp vec4 tmpvar_45;
  tmpvar_45 = impl_low_texture2DLodEXT (_MainTex, tmpvar_43.xy, 0.0);
  tmpvar_44 = tmpvar_45;
  lumaS_39 = tmpvar_44.w;
  highp vec4 tmpvar_46;
  tmpvar_46.zw = vec2(0.0, 0.0);
  tmpvar_46.xy = (xlv_TEXCOORD0 + (vec2(1.0, 0.0) * _MainTex_TexelSize.xy));
  highp vec4 tmpvar_47;
  lowp vec4 tmpvar_48;
  tmpvar_48 = impl_low_texture2DLodEXT (_MainTex, tmpvar_46.xy, 0.0);
  tmpvar_47 = tmpvar_48;
  highp float tmpvar_49;
  tmpvar_49 = tmpvar_47.w;
  highp vec4 tmpvar_50;
  tmpvar_50.zw = vec2(0.0, 0.0);
  tmpvar_50.xy = (xlv_TEXCOORD0 + (vec2(0.0, -1.0) * _MainTex_TexelSize.xy));
  highp vec4 tmpvar_51;
  lowp vec4 tmpvar_52;
  tmpvar_52 = impl_low_texture2DLodEXT (_MainTex, tmpvar_50.xy, 0.0);
  tmpvar_51 = tmpvar_52;
  lumaN_38 = tmpvar_51.w;
  highp vec4 tmpvar_53;
  tmpvar_53.zw = vec2(0.0, 0.0);
  tmpvar_53.xy = (xlv_TEXCOORD0 + (vec2(-1.0, 0.0) * _MainTex_TexelSize.xy));
  highp vec4 tmpvar_54;
  lowp vec4 tmpvar_55;
  tmpvar_55 = impl_low_texture2DLodEXT (_MainTex, tmpvar_53.xy, 0.0);
  tmpvar_54 = tmpvar_55;
  highp float tmpvar_56;
  tmpvar_56 = tmpvar_54.w;
  highp float tmpvar_57;
  tmpvar_57 = max (max (tmpvar_51.w, tmpvar_54.w), max (max (tmpvar_47.w, tmpvar_44.w), tmpvar_41.w));
  range_37 = (tmpvar_57 - min (min (tmpvar_51.w, tmpvar_54.w), min (
    min (tmpvar_47.w, tmpvar_44.w)
  , tmpvar_41.w)));
  if ((range_37 < max (0.0833, (tmpvar_57 * 0.166)))) {
    tmpvar_2 = tmpvar_41;
  } else {
    highp vec4 tmpvar_58;
    tmpvar_58.zw = vec2(0.0, 0.0);
    tmpvar_58.xy = (xlv_TEXCOORD0 - _MainTex_TexelSize.xy);
    highp vec4 tmpvar_59;
    lowp vec4 tmpvar_60;
    tmpvar_60 = impl_low_texture2DLodEXT (_MainTex, tmpvar_58.xy, 0.0);
    tmpvar_59 = tmpvar_60;
    highp vec4 tmpvar_61;
    tmpvar_61.zw = vec2(0.0, 0.0);
    tmpvar_61.xy = (xlv_TEXCOORD0 + _MainTex_TexelSize.xy);
    highp vec4 tmpvar_62;
    lowp vec4 tmpvar_63;
    tmpvar_63 = impl_low_texture2DLodEXT (_MainTex, tmpvar_61.xy, 0.0);
    tmpvar_62 = tmpvar_63;
    highp vec4 tmpvar_64;
    tmpvar_64.zw = vec2(0.0, 0.0);
    tmpvar_64.xy = (xlv_TEXCOORD0 + (vec2(1.0, -1.0) * _MainTex_TexelSize.xy));
    highp vec4 tmpvar_65;
    lowp vec4 tmpvar_66;
    tmpvar_66 = impl_low_texture2DLodEXT (_MainTex, tmpvar_64.xy, 0.0);
    tmpvar_65 = tmpvar_66;
    highp vec4 tmpvar_67;
    tmpvar_67.zw = vec2(0.0, 0.0);
    tmpvar_67.xy = (xlv_TEXCOORD0 + (vec2(-1.0, 1.0) * _MainTex_TexelSize.xy));
    highp vec4 tmpvar_68;
    lowp vec4 tmpvar_69;
    tmpvar_69 = impl_low_texture2DLodEXT (_MainTex, tmpvar_67.xy, 0.0);
    tmpvar_68 = tmpvar_69;
    lumaNS_36 = (tmpvar_51.w + tmpvar_44.w);
    lumaWE_35 = (tmpvar_54.w + tmpvar_47.w);
    subpixRcpRange_34 = (1.0/(range_37));
    lumaNESE_33 = (tmpvar_65.w + tmpvar_62.w);
    lumaNWSW_32 = (tmpvar_59.w + tmpvar_68.w);
    lengthSign_31 = fxaaQualityRcpFrame_1.x;
    horzSpan_30 = ((abs(
      ((-2.0 * tmpvar_54.w) + lumaNWSW_32)
    ) + (
      (abs(((-2.0 * tmpvar_41.w) + lumaNS_36)) * 2.0)
     + 
      abs(((-2.0 * tmpvar_47.w) + lumaNESE_33))
    )) >= (abs(
      ((-2.0 * tmpvar_44.w) + (tmpvar_68.w + tmpvar_62.w))
    ) + (
      (abs(((-2.0 * tmpvar_41.w) + lumaWE_35)) * 2.0)
     + 
      abs(((-2.0 * tmpvar_51.w) + (tmpvar_59.w + tmpvar_65.w)))
    )));
    subpixA_29 = (((lumaNS_36 + lumaWE_35) * 2.0) + (lumaNWSW_32 + lumaNESE_33));
    if (!(horzSpan_30)) {
      lumaN_38 = tmpvar_56;
    };
    if (!(horzSpan_30)) {
      lumaS_39 = tmpvar_49;
    };
    if (horzSpan_30) {
      lengthSign_31 = fxaaQualityRcpFrame_1.y;
    };
    subpixB_28 = ((subpixA_29 * 0.0833333) - tmpvar_41.w);
    gradientN_27 = (lumaN_38 - tmpvar_41.w);
    gradientS_26 = (lumaS_39 - tmpvar_41.w);
    lumaNN_25 = (lumaN_38 + tmpvar_41.w);
    lumaSS_24 = (lumaS_39 + tmpvar_41.w);
    pairN_23 = (abs(gradientN_27) >= abs(gradientS_26));
    highp float tmpvar_70;
    tmpvar_70 = max (abs(gradientN_27), abs(gradientS_26));
    if (pairN_23) {
      lengthSign_31 = -(lengthSign_31);
    };
    highp float tmpvar_71;
    tmpvar_71 = clamp ((abs(subpixB_28) * subpixRcpRange_34), 0.0, 1.0);
    posB_22 = xlv_TEXCOORD0;
    highp float tmpvar_72;
    if (!(horzSpan_30)) {
      tmpvar_72 = 0.0;
    } else {
      tmpvar_72 = fxaaQualityRcpFrame_1.x;
    };
    highp float tmpvar_73;
    if (horzSpan_30) {
      tmpvar_73 = 0.0;
    } else {
      tmpvar_73 = fxaaQualityRcpFrame_1.y;
    };
    if (!(horzSpan_30)) {
      posB_22.x = (xlv_TEXCOORD0.x + (lengthSign_31 * 0.5));
    };
    if (horzSpan_30) {
      posB_22.y = (xlv_TEXCOORD0.y + (lengthSign_31 * 0.5));
    };
    posN_21.x = (posB_22.x - tmpvar_72);
    posN_21.y = (posB_22.y - tmpvar_73);
    posP_20.x = (posB_22.x + tmpvar_72);
    posP_20.y = (posB_22.y + tmpvar_73);
    subpixD_19 = ((-2.0 * tmpvar_71) + 3.0);
    highp vec4 tmpvar_74;
    lowp vec4 tmpvar_75;
    tmpvar_75 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
    tmpvar_74 = tmpvar_75;
    lumaEndN_18 = tmpvar_74.w;
    subpixE_17 = (tmpvar_71 * tmpvar_71);
    highp vec4 tmpvar_76;
    lowp vec4 tmpvar_77;
    tmpvar_77 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
    tmpvar_76 = tmpvar_77;
    lumaEndP_16 = tmpvar_76.w;
    if (!(pairN_23)) {
      lumaNN_25 = lumaSS_24;
    };
    gradientScaled_15 = (tmpvar_70 / 4.0);
    subpixF_14 = (subpixD_19 * subpixE_17);
    lumaMLTZero_13 = ((tmpvar_41.w - (lumaNN_25 * 0.5)) < 0.0);
    lumaEndN_18 = (tmpvar_74.w - (lumaNN_25 * 0.5));
    lumaEndP_16 = (tmpvar_76.w - (lumaNN_25 * 0.5));
    doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
    doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
    if (!(doneN_12)) {
      posN_21.x = (posN_21.x - tmpvar_72);
    };
    if (!(doneN_12)) {
      posN_21.y = (posN_21.y - tmpvar_73);
    };
    doneNP_10 = !((doneN_12 && doneP_11));
    if (!(doneP_11)) {
      posP_20.x = (posP_20.x + tmpvar_72);
    };
    if (!(doneP_11)) {
      posP_20.y = (posP_20.y + tmpvar_73);
    };
    if (doneNP_10) {
      if (!(doneN_12)) {
        highp vec4 tmpvar_78;
        lowp vec4 tmpvar_79;
        tmpvar_79 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
        tmpvar_78 = tmpvar_79;
        lumaEndN_18 = tmpvar_78.w;
      };
      if (!(doneP_11)) {
        highp vec4 tmpvar_80;
        lowp vec4 tmpvar_81;
        tmpvar_81 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
        tmpvar_80 = tmpvar_81;
        lumaEndP_16 = tmpvar_80.w;
      };
      if (!(doneN_12)) {
        lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
      };
      if (!(doneP_11)) {
        lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
      };
      doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
      doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
      if (!(doneN_12)) {
        posN_21.x = (posN_21.x - tmpvar_72);
      };
      if (!(doneN_12)) {
        posN_21.y = (posN_21.y - tmpvar_73);
      };
      doneNP_10 = !((doneN_12 && doneP_11));
      if (!(doneP_11)) {
        posP_20.x = (posP_20.x + tmpvar_72);
      };
      if (!(doneP_11)) {
        posP_20.y = (posP_20.y + tmpvar_73);
      };
      if (doneNP_10) {
        if (!(doneN_12)) {
          highp vec4 tmpvar_82;
          lowp vec4 tmpvar_83;
          tmpvar_83 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
          tmpvar_82 = tmpvar_83;
          lumaEndN_18 = tmpvar_82.w;
        };
        if (!(doneP_11)) {
          highp vec4 tmpvar_84;
          lowp vec4 tmpvar_85;
          tmpvar_85 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
          tmpvar_84 = tmpvar_85;
          lumaEndP_16 = tmpvar_84.w;
        };
        if (!(doneN_12)) {
          lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
        };
        if (!(doneP_11)) {
          lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
        };
        doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
        doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
        if (!(doneN_12)) {
          posN_21.x = (posN_21.x - tmpvar_72);
        };
        if (!(doneN_12)) {
          posN_21.y = (posN_21.y - tmpvar_73);
        };
        doneNP_10 = !((doneN_12 && doneP_11));
        if (!(doneP_11)) {
          posP_20.x = (posP_20.x + tmpvar_72);
        };
        if (!(doneP_11)) {
          posP_20.y = (posP_20.y + tmpvar_73);
        };
        if (doneNP_10) {
          if (!(doneN_12)) {
            highp vec4 tmpvar_86;
            lowp vec4 tmpvar_87;
            tmpvar_87 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
            tmpvar_86 = tmpvar_87;
            lumaEndN_18 = tmpvar_86.w;
          };
          if (!(doneP_11)) {
            highp vec4 tmpvar_88;
            lowp vec4 tmpvar_89;
            tmpvar_89 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
            tmpvar_88 = tmpvar_89;
            lumaEndP_16 = tmpvar_88.w;
          };
          if (!(doneN_12)) {
            lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
          };
          if (!(doneP_11)) {
            lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
          };
          doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
          doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
          if (!(doneN_12)) {
            posN_21.x = (posN_21.x - tmpvar_72);
          };
          if (!(doneN_12)) {
            posN_21.y = (posN_21.y - tmpvar_73);
          };
          doneNP_10 = !((doneN_12 && doneP_11));
          if (!(doneP_11)) {
            posP_20.x = (posP_20.x + tmpvar_72);
          };
          if (!(doneP_11)) {
            posP_20.y = (posP_20.y + tmpvar_73);
          };
          if (doneNP_10) {
            if (!(doneN_12)) {
              highp vec4 tmpvar_90;
              lowp vec4 tmpvar_91;
              tmpvar_91 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
              tmpvar_90 = tmpvar_91;
              lumaEndN_18 = tmpvar_90.w;
            };
            if (!(doneP_11)) {
              highp vec4 tmpvar_92;
              lowp vec4 tmpvar_93;
              tmpvar_93 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
              tmpvar_92 = tmpvar_93;
              lumaEndP_16 = tmpvar_92.w;
            };
            if (!(doneN_12)) {
              lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
            };
            if (!(doneP_11)) {
              lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
            };
            doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
            doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
            if (!(doneN_12)) {
              posN_21.x = (posN_21.x - (tmpvar_72 * 1.5));
            };
            if (!(doneN_12)) {
              posN_21.y = (posN_21.y - (tmpvar_73 * 1.5));
            };
            doneNP_10 = !((doneN_12 && doneP_11));
            if (!(doneP_11)) {
              posP_20.x = (posP_20.x + (tmpvar_72 * 1.5));
            };
            if (!(doneP_11)) {
              posP_20.y = (posP_20.y + (tmpvar_73 * 1.5));
            };
            if (doneNP_10) {
              if (!(doneN_12)) {
                highp vec4 tmpvar_94;
                lowp vec4 tmpvar_95;
                tmpvar_95 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
                tmpvar_94 = tmpvar_95;
                lumaEndN_18 = tmpvar_94.w;
              };
              if (!(doneP_11)) {
                highp vec4 tmpvar_96;
                lowp vec4 tmpvar_97;
                tmpvar_97 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
                tmpvar_96 = tmpvar_97;
                lumaEndP_16 = tmpvar_96.w;
              };
              if (!(doneN_12)) {
                lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
              };
              if (!(doneP_11)) {
                lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
              };
              doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
              doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
              if (!(doneN_12)) {
                posN_21.x = (posN_21.x - (tmpvar_72 * 2.0));
              };
              if (!(doneN_12)) {
                posN_21.y = (posN_21.y - (tmpvar_73 * 2.0));
              };
              doneNP_10 = !((doneN_12 && doneP_11));
              if (!(doneP_11)) {
                posP_20.x = (posP_20.x + (tmpvar_72 * 2.0));
              };
              if (!(doneP_11)) {
                posP_20.y = (posP_20.y + (tmpvar_73 * 2.0));
              };
              if (doneNP_10) {
                if (!(doneN_12)) {
                  highp vec4 tmpvar_98;
                  lowp vec4 tmpvar_99;
                  tmpvar_99 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
                  tmpvar_98 = tmpvar_99;
                  lumaEndN_18 = tmpvar_98.w;
                };
                if (!(doneP_11)) {
                  highp vec4 tmpvar_100;
                  lowp vec4 tmpvar_101;
                  tmpvar_101 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
                  tmpvar_100 = tmpvar_101;
                  lumaEndP_16 = tmpvar_100.w;
                };
                if (!(doneN_12)) {
                  lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
                };
                if (!(doneP_11)) {
                  lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
                };
                doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
                doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
                if (!(doneN_12)) {
                  posN_21.x = (posN_21.x - (tmpvar_72 * 2.0));
                };
                if (!(doneN_12)) {
                  posN_21.y = (posN_21.y - (tmpvar_73 * 2.0));
                };
                doneNP_10 = !((doneN_12 && doneP_11));
                if (!(doneP_11)) {
                  posP_20.x = (posP_20.x + (tmpvar_72 * 2.0));
                };
                if (!(doneP_11)) {
                  posP_20.y = (posP_20.y + (tmpvar_73 * 2.0));
                };
                if (doneNP_10) {
                  if (!(doneN_12)) {
                    highp vec4 tmpvar_102;
                    lowp vec4 tmpvar_103;
                    tmpvar_103 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
                    tmpvar_102 = tmpvar_103;
                    lumaEndN_18 = tmpvar_102.w;
                  };
                  if (!(doneP_11)) {
                    highp vec4 tmpvar_104;
                    lowp vec4 tmpvar_105;
                    tmpvar_105 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
                    tmpvar_104 = tmpvar_105;
                    lumaEndP_16 = tmpvar_104.w;
                  };
                  if (!(doneN_12)) {
                    lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
                  };
                  if (!(doneP_11)) {
                    lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
                  };
                  doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
                  doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
                  if (!(doneN_12)) {
                    posN_21.x = (posN_21.x - (tmpvar_72 * 2.0));
                  };
                  if (!(doneN_12)) {
                    posN_21.y = (posN_21.y - (tmpvar_73 * 2.0));
                  };
                  doneNP_10 = !((doneN_12 && doneP_11));
                  if (!(doneP_11)) {
                    posP_20.x = (posP_20.x + (tmpvar_72 * 2.0));
                  };
                  if (!(doneP_11)) {
                    posP_20.y = (posP_20.y + (tmpvar_73 * 2.0));
                  };
                  if (doneNP_10) {
                    if (!(doneN_12)) {
                      highp vec4 tmpvar_106;
                      lowp vec4 tmpvar_107;
                      tmpvar_107 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
                      tmpvar_106 = tmpvar_107;
                      lumaEndN_18 = tmpvar_106.w;
                    };
                    if (!(doneP_11)) {
                      highp vec4 tmpvar_108;
                      lowp vec4 tmpvar_109;
                      tmpvar_109 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
                      tmpvar_108 = tmpvar_109;
                      lumaEndP_16 = tmpvar_108.w;
                    };
                    if (!(doneN_12)) {
                      lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
                    };
                    if (!(doneP_11)) {
                      lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
                    };
                    doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
                    doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
                    if (!(doneN_12)) {
                      posN_21.x = (posN_21.x - (tmpvar_72 * 2.0));
                    };
                    if (!(doneN_12)) {
                      posN_21.y = (posN_21.y - (tmpvar_73 * 2.0));
                    };
                    doneNP_10 = !((doneN_12 && doneP_11));
                    if (!(doneP_11)) {
                      posP_20.x = (posP_20.x + (tmpvar_72 * 2.0));
                    };
                    if (!(doneP_11)) {
                      posP_20.y = (posP_20.y + (tmpvar_73 * 2.0));
                    };
                    if (doneNP_10) {
                      if (!(doneN_12)) {
                        highp vec4 tmpvar_110;
                        lowp vec4 tmpvar_111;
                        tmpvar_111 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
                        tmpvar_110 = tmpvar_111;
                        lumaEndN_18 = tmpvar_110.w;
                      };
                      if (!(doneP_11)) {
                        highp vec4 tmpvar_112;
                        lowp vec4 tmpvar_113;
                        tmpvar_113 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
                        tmpvar_112 = tmpvar_113;
                        lumaEndP_16 = tmpvar_112.w;
                      };
                      if (!(doneN_12)) {
                        lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
                      };
                      if (!(doneP_11)) {
                        lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
                      };
                      doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
                      doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
                      if (!(doneN_12)) {
                        posN_21.x = (posN_21.x - (tmpvar_72 * 4.0));
                      };
                      if (!(doneN_12)) {
                        posN_21.y = (posN_21.y - (tmpvar_73 * 4.0));
                      };
                      doneNP_10 = !((doneN_12 && doneP_11));
                      if (!(doneP_11)) {
                        posP_20.x = (posP_20.x + (tmpvar_72 * 4.0));
                      };
                      if (!(doneP_11)) {
                        posP_20.y = (posP_20.y + (tmpvar_73 * 4.0));
                      };
                      if (doneNP_10) {
                        if (!(doneN_12)) {
                          highp vec4 tmpvar_114;
                          lowp vec4 tmpvar_115;
                          tmpvar_115 = impl_low_texture2DLodEXT (_MainTex, posN_21, 0.0);
                          tmpvar_114 = tmpvar_115;
                          lumaEndN_18 = tmpvar_114.w;
                        };
                        if (!(doneP_11)) {
                          highp vec4 tmpvar_116;
                          lowp vec4 tmpvar_117;
                          tmpvar_117 = impl_low_texture2DLodEXT (_MainTex, posP_20, 0.0);
                          tmpvar_116 = tmpvar_117;
                          lumaEndP_16 = tmpvar_116.w;
                        };
                        if (!(doneN_12)) {
                          lumaEndN_18 = (lumaEndN_18 - (lumaNN_25 * 0.5));
                        };
                        if (!(doneP_11)) {
                          lumaEndP_16 = (lumaEndP_16 - (lumaNN_25 * 0.5));
                        };
                        doneN_12 = (abs(lumaEndN_18) >= gradientScaled_15);
                        doneP_11 = (abs(lumaEndP_16) >= gradientScaled_15);
                        if (!(doneN_12)) {
                          posN_21.x = (posN_21.x - (tmpvar_72 * 8.0));
                        };
                        if (!(doneN_12)) {
                          posN_21.y = (posN_21.y - (tmpvar_73 * 8.0));
                        };
                        doneNP_10 = !((doneN_12 && doneP_11));
                        if (!(doneP_11)) {
                          posP_20.x = (posP_20.x + (tmpvar_72 * 8.0));
                        };
                        if (!(doneP_11)) {
                          posP_20.y = (posP_20.y + (tmpvar_73 * 8.0));
                        };
                      };
                    };
                  };
                };
              };
            };
          };
        };
      };
    };
    dstN_9 = (xlv_TEXCOORD0.x - posN_21.x);
    dstP_8 = (posP_20.x - xlv_TEXCOORD0.x);
    if (!(horzSpan_30)) {
      dstN_9 = (xlv_TEXCOORD0.y - posN_21.y);
    };
    if (!(horzSpan_30)) {
      dstP_8 = (posP_20.y - xlv_TEXCOORD0.y);
    };
    goodSpanN_7 = ((lumaEndN_18 < 0.0) != lumaMLTZero_13);
    goodSpanP_6 = ((lumaEndP_16 < 0.0) != lumaMLTZero_13);
    spanLengthRcp_5 = (1.0/((dstP_8 + dstN_9)));
    highp float tmpvar_118;
    tmpvar_118 = min (dstN_9, dstP_8);
    bool tmpvar_119;
    if ((dstN_9 < dstP_8)) {
      tmpvar_119 = goodSpanN_7;
    } else {
      tmpvar_119 = goodSpanP_6;
    };
    pixelOffset_4 = ((tmpvar_118 * -(spanLengthRcp_5)) + 0.5);
    subpixH_3 = ((subpixF_14 * subpixF_14) * 0.75);
    highp float tmpvar_120;
    if (tmpvar_119) {
      tmpvar_120 = pixelOffset_4;
    } else {
      tmpvar_120 = 0.0;
    };
    highp float tmpvar_121;
    tmpvar_121 = max (tmpvar_120, subpixH_3);
    if (!(horzSpan_30)) {
      posM_40.x = (xlv_TEXCOORD0.x + (tmpvar_121 * lengthSign_31));
    };
    if (horzSpan_30) {
      posM_40.y = (xlv_TEXCOORD0.y + (tmpvar_121 * lengthSign_31));
    };
    lowp vec4 tmpvar_122;
    tmpvar_122 = impl_low_texture2DLodEXT (_MainTex, posM_40, 0.0);
    highp vec4 tmpvar_123;
    tmpvar_123.xyz = tmpvar_122.xyz;
    tmpvar_123.w = tmpvar_41.w;
    tmpvar_2 = tmpvar_123;
  };
  gl_FragData[0] = tmpvar_2;
}


// stats: 401 alu 32 tex 110 flow
// inputs: 1
//  #0: xlv_TEXCOORD0 (high float) 2x1 [-1]
// uniforms: 1 (total size: 0)
//  #0: _MainTex_TexelSize (high float) 4x1 [-1]
// textures: 1
//  #0: _MainTex (low 2d) 0x0 [-1]