bgfx/3rdparty/glsl-optimizer/tests/vertex/MF-GodRays-irES.txt

struct v2f {
  highp vec4 pos;
  highp vec2 uv;
  lowp vec4 color;
};
struct appdata_full {
  highp vec4 vertex;
  highp vec4 tangent;
  highp vec3 normal;
  highp vec4 texcoord;
  highp vec4 texcoord1;
  highp vec4 color;
};
varying lowp vec4 xlv_TEXCOORD1;
varying highp vec2 xlv_TEXCOORD0;
varying highp vec4 xlv_SV_POSITION;
attribute vec4 TANGENT;
uniform highp mat4 glstate_matrix_mvp;
uniform highp vec3 _WorldSpaceCameraPos;
uniform highp mat4 _World2Object;
uniform highp float _VerticalBillboarding;
uniform highp float _TimeOnDuration;
uniform highp float _TimeOffDuration;
uniform highp vec4 _Time;
uniform highp float _SizeGrowStartDist;
uniform highp float _SizeGrowEndDist;
uniform highp float _NoiseAmount;
uniform highp float _Multiplier;
uniform highp float _MaxGrowSize;
uniform highp float _FadeOutDistNear;
uniform highp float _FadeOutDistFar;
uniform highp vec4 _Color;
uniform highp float _BlinkingTimeOffsScale;
uniform highp float _Bias;
attribute lowp vec4 _glesColor;
attribute highp vec4 _glesMultiTexCoord1;
attribute highp vec4 _glesMultiTexCoord0;
attribute mediump vec3 _glesNormal;
attribute highp vec4 _glesVertex;
float xll_mod (
  in float x_1,
  in float y_2
)
{
  float f_3;
  float d_4;
  float tmpvar_5;
  tmpvar_5 = (x_1 / y_2);
  d_4 = tmpvar_5;
  float tmpvar_6;
  tmpvar_6 = abs (d_4);
  float tmpvar_7;
  tmpvar_7 = fract (tmpvar_6);
  float tmpvar_8;
  tmpvar_8 = (tmpvar_7 * y_2);
  f_3 = tmpvar_8;
  float tmpvar_9;
  if ((d_4 >= 0.0)) {
    tmpvar_9 = f_3;
  } else {
    tmpvar_9 = -(f_3);
  };
  return tmpvar_9;
}

vec2 xll_mod (
  in vec2 x_10,
  in vec2 y_11
)
{
  vec2 f_12;
  vec2 d_13;
  vec2 tmpvar_14;
  tmpvar_14 = (x_10 / y_11);
  d_13 = tmpvar_14;
  vec2 tmpvar_15;
  tmpvar_15 = abs (d_13);
  vec2 tmpvar_16;
  tmpvar_16 = fract (tmpvar_15);
  vec2 tmpvar_17;
  tmpvar_17 = (tmpvar_16 * y_11);
  f_12 = tmpvar_17;
  float tmpvar_18;
  if ((d_13.x >= 0.0)) {
    tmpvar_18 = f_12.x;
  } else {
    tmpvar_18 = -(f_12.x);
  };
  float tmpvar_19;
  if ((d_13.y >= 0.0)) {
    tmpvar_19 = f_12.y;
  } else {
    tmpvar_19 = -(f_12.y);
  };
  vec2 tmpvar_20;
  tmpvar_20.x = tmpvar_18;
  tmpvar_20.y = tmpvar_19;
  return tmpvar_20;
}

vec3 xll_mod (
  in vec3 x_21,
  in vec3 y_22
)
{
  vec3 f_23;
  vec3 d_24;
  vec3 tmpvar_25;
  tmpvar_25 = (x_21 / y_22);
  d_24 = tmpvar_25;
  vec3 tmpvar_26;
  tmpvar_26 = abs (d_24);
  vec3 tmpvar_27;
  tmpvar_27 = fract (tmpvar_26);
  vec3 tmpvar_28;
  tmpvar_28 = (tmpvar_27 * y_22);
  f_23 = tmpvar_28;
  float tmpvar_29;
  if ((d_24.x >= 0.0)) {
    tmpvar_29 = f_23.x;
  } else {
    tmpvar_29 = -(f_23.x);
  };
  float tmpvar_30;
  if ((d_24.y >= 0.0)) {
    tmpvar_30 = f_23.y;
  } else {
    tmpvar_30 = -(f_23.y);
  };
  float tmpvar_31;
  if ((d_24.z >= 0.0)) {
    tmpvar_31 = f_23.z;
  } else {
    tmpvar_31 = -(f_23.z);
  };
  vec3 tmpvar_32;
  tmpvar_32.x = tmpvar_29;
  tmpvar_32.y = tmpvar_30;
  tmpvar_32.z = tmpvar_31;
  return tmpvar_32;
}

vec4 xll_mod (
  in vec4 x_33,
  in vec4 y_34
)
{
  vec4 f_35;
  vec4 d_36;
  vec4 tmpvar_37;
  tmpvar_37 = (x_33 / y_34);
  d_36 = tmpvar_37;
  vec4 tmpvar_38;
  tmpvar_38 = abs (d_36);
  vec4 tmpvar_39;
  tmpvar_39 = fract (tmpvar_38);
  vec4 tmpvar_40;
  tmpvar_40 = (tmpvar_39 * y_34);
  f_35 = tmpvar_40;
  float tmpvar_41;
  if ((d_36.x >= 0.0)) {
    tmpvar_41 = f_35.x;
  } else {
    tmpvar_41 = -(f_35.x);
  };
  float tmpvar_42;
  if ((d_36.y >= 0.0)) {
    tmpvar_42 = f_35.y;
  } else {
    tmpvar_42 = -(f_35.y);
  };
  float tmpvar_43;
  if ((d_36.z >= 0.0)) {
    tmpvar_43 = f_35.z;
  } else {
    tmpvar_43 = -(f_35.z);
  };
  float tmpvar_44;
  if ((d_36.w >= 0.0)) {
    tmpvar_44 = f_35.w;
  } else {
    tmpvar_44 = -(f_35.w);
  };
  vec4 tmpvar_45;
  tmpvar_45.x = tmpvar_41;
  tmpvar_45.y = tmpvar_42;
  tmpvar_45.z = tmpvar_43;
  tmpvar_45.w = tmpvar_44;
  return tmpvar_45;
}

float xll_saturate (
  in float x_46
)
{
  float tmpvar_47;
  tmpvar_47 = clamp (x_46, 0.0, 1.0);
  return tmpvar_47;
}

vec2 xll_saturate (
  in vec2 x_48
)
{
  vec2 tmpvar_49;
  tmpvar_49 = clamp (x_48, 0.0, 1.0);
  return tmpvar_49;
}

vec3 xll_saturate (
  in vec3 x_50
)
{
  vec3 tmpvar_51;
  tmpvar_51 = clamp (x_50, 0.0, 1.0);
  return tmpvar_51;
}

vec4 xll_saturate (
  in vec4 x_52
)
{
  vec4 tmpvar_53;
  tmpvar_53 = clamp (x_52, 0.0, 1.0);
  return tmpvar_53;
}

mat2 xll_saturate (
  in mat2 m_54
)
{
  vec2 tmpvar_55;
  tmpvar_55 = clamp (m_54[0], 0.0, 1.0);
  vec2 tmpvar_56;
  tmpvar_56 = clamp (m_54[1], 0.0, 1.0);
  mat2 tmpvar_57;
  vec2 tmpvar_58;
  tmpvar_58 = tmpvar_55;
  tmpvar_57[0] = tmpvar_58;
  vec2 tmpvar_59;
  tmpvar_59 = tmpvar_56;
  tmpvar_57[1] = tmpvar_59;
  return tmpvar_57;
}

mat3 xll_saturate (
  in mat3 m_60
)
{
  vec3 tmpvar_61;
  tmpvar_61 = clamp (m_60[0], 0.0, 1.0);
  vec3 tmpvar_62;
  tmpvar_62 = clamp (m_60[1], 0.0, 1.0);
  vec3 tmpvar_63;
  tmpvar_63 = clamp (m_60[2], 0.0, 1.0);
  mat3 tmpvar_64;
  vec3 tmpvar_65;
  tmpvar_65 = tmpvar_61;
  tmpvar_64[0] = tmpvar_65;
  vec3 tmpvar_66;
  tmpvar_66 = tmpvar_62;
  tmpvar_64[1] = tmpvar_66;
  vec3 tmpvar_67;
  tmpvar_67 = tmpvar_63;
  tmpvar_64[2] = tmpvar_67;
  return tmpvar_64;
}

mat4 xll_saturate (
  in mat4 m_68
)
{
  vec4 tmpvar_69;
  tmpvar_69 = clamp (m_68[0], 0.0, 1.0);
  vec4 tmpvar_70;
  tmpvar_70 = clamp (m_68[1], 0.0, 1.0);
  vec4 tmpvar_71;
  tmpvar_71 = clamp (m_68[2], 0.0, 1.0);
  vec4 tmpvar_72;
  tmpvar_72 = clamp (m_68[3], 0.0, 1.0);
  mat4 tmpvar_73;
  vec4 tmpvar_74;
  tmpvar_74 = tmpvar_69;
  tmpvar_73[0] = tmpvar_74;
  vec4 tmpvar_75;
  tmpvar_75 = tmpvar_70;
  tmpvar_73[1] = tmpvar_75;
  vec4 tmpvar_76;
  tmpvar_76 = tmpvar_71;
  tmpvar_73[2] = tmpvar_76;
  vec4 tmpvar_77;
  tmpvar_77 = tmpvar_72;
  tmpvar_73[3] = tmpvar_77;
  return tmpvar_73;
}

void CalcOrthonormalBasis (
  in highp vec3 dir_78,
  out highp vec3 right_79,
  out highp vec3 up_80
)
{
  highp float tmpvar_81;
  tmpvar_81 = abs (dir_78.y);
  vec3 tmpvar_82;
  if ((tmpvar_81 > 0.999)) {
    tmpvar_82 = vec3(0.0, 0.0, 1.0);
  } else {
    tmpvar_82 = vec3(0.0, 1.0, 0.0);
  };
  vec3 tmpvar_83;
  tmpvar_83 = tmpvar_82;
  up_80 = tmpvar_83;
  highp vec3 tmpvar_84;
  tmpvar_84 = cross (up_80, dir_78);
  highp vec3 tmpvar_85;
  tmpvar_85 = normalize (tmpvar_84);
  highp vec3 tmpvar_86;
  tmpvar_86 = tmpvar_85;
  right_79 = tmpvar_86;
  highp vec3 tmpvar_87;
  tmpvar_87 = cross (dir_78, right_79);
  highp vec3 tmpvar_88;
  tmpvar_88 = tmpvar_87;
  up_80 = tmpvar_88;
}

float CalcFadeOutFactor (
  in highp float dist_89
)
{
  highp float ffadeout_90;
  highp float nfadeout_91;
  float tmpvar_92;
  tmpvar_92 = xll_saturate ((dist_89 / _FadeOutDistNear));
  float tmpvar_93;
  tmpvar_93 = tmpvar_92;
  nfadeout_91 = tmpvar_93;
  highp float tmpvar_94;
  tmpvar_94 = max ((dist_89 - _FadeOutDistFar), 0.0);
  float tmpvar_95;
  tmpvar_95 = xll_saturate ((tmpvar_94 * 0.2));
  float tmpvar_96;
  tmpvar_96 = (1.0 - tmpvar_95);
  ffadeout_90 = tmpvar_96;
  highp float tmpvar_97;
  tmpvar_97 = (ffadeout_90 * ffadeout_90);
  ffadeout_90 = tmpvar_97;
  highp float tmpvar_98;
  tmpvar_98 = (nfadeout_91 * nfadeout_91);
  nfadeout_91 = tmpvar_98;
  highp float tmpvar_99;
  tmpvar_99 = (nfadeout_91 * nfadeout_91);
  nfadeout_91 = tmpvar_99;
  highp float tmpvar_100;
  tmpvar_100 = (nfadeout_91 * ffadeout_90);
  nfadeout_91 = tmpvar_100;
  return nfadeout_91;
}

float CalcDistScale (
  in highp float dist_101
)
{
  highp float distScale_102;
  highp float tmpvar_103;
  tmpvar_103 = max ((dist_101 - _SizeGrowStartDist), 0.0);
  highp float tmpvar_104;
  tmpvar_104 = min ((tmpvar_103 / _SizeGrowEndDist), 1.0);
  highp float tmpvar_105;
  tmpvar_105 = tmpvar_104;
  distScale_102 = tmpvar_105;
  return ((distScale_102 * distScale_102) * _MaxGrowSize);
}

v2f xlat_main (
  in appdata_full v_106
)
{
  v2f o_107;
  highp float noiseWave_108;
  highp float noise_109;
  highp float noiseTime_110;
  highp float wave_111;
  highp float fracTime_112;
  highp float time_113;
  highp vec3 BBLocalPos_114;
  highp vec3 BBNormal_115;
  highp float distScale_116;
  highp vec3 upLocal_117;
  highp vec3 rightLocal_118;
  highp float localDirLength_119;
  highp vec3 localDir_120;
  highp vec3 viewerLocal_121;
  highp vec3 centerLocal_122;
  highp vec3 centerOffs_123;
  highp vec3 tmpvar_124;
  tmpvar_124.z = 0.0;
  tmpvar_124.xy = (vec2(0.5, 0.5) - v_106.color.xy).xy;
  highp vec3 tmpvar_125;
  tmpvar_125 = (tmpvar_124 * v_106.texcoord1.xyy);
  centerOffs_123 = tmpvar_125;
  highp vec3 tmpvar_126;
  tmpvar_126 = (v_106.vertex.xyz + centerOffs_123.xyz);
  centerLocal_122 = tmpvar_126;
  highp vec4 tmpvar_127;
  tmpvar_127.w = 1.0;
  tmpvar_127.xyz = _WorldSpaceCameraPos.xyz;
  highp vec3 tmpvar_128;
  tmpvar_128 = (_World2Object * tmpvar_127).xyz;
  highp vec3 tmpvar_129;
  tmpvar_129 = tmpvar_128;
  viewerLocal_121 = tmpvar_129;
  highp vec3 tmpvar_130;
  tmpvar_130 = (viewerLocal_121 - centerLocal_122);
  localDir_120 = tmpvar_130;
  highp float tmpvar_131;
  tmpvar_131 = mix (0.0, localDir_120.y, _VerticalBillboarding);
  highp float tmpvar_132;
  tmpvar_132 = tmpvar_131;
  localDir_120.y = vec2(tmpvar_132).y;
  highp float tmpvar_133;
  tmpvar_133 = length (localDir_120);
  highp float tmpvar_134;
  tmpvar_134 = tmpvar_133;
  localDirLength_119 = tmpvar_134;
  CalcOrthonormalBasis ((localDir_120 / localDirLength_119), rightLocal_118, upLocal_117);
  highp float tmpvar_135;
  tmpvar_135 = CalcDistScale (localDirLength_119);
  highp float tmpvar_136;
  tmpvar_136 = (tmpvar_135 * v_106.color.w);
  distScale_116 = tmpvar_136;
  highp vec3 tmpvar_137;
  tmpvar_137 = ((rightLocal_118 * v_106.normal.x) + (upLocal_117 * v_106.normal.y));
  BBNormal_115 = tmpvar_137;
  highp vec3 tmpvar_138;
  tmpvar_138 = ((centerLocal_122 - ((rightLocal_118 * centerOffs_123.x) + (upLocal_117 * centerOffs_123.y))) + (BBNormal_115 * distScale_116));
  BBLocalPos_114 = tmpvar_138;
  highp float tmpvar_139;
  tmpvar_139 = (_Time.y + (_BlinkingTimeOffsScale * v_106.color.z));
  time_113 = tmpvar_139;
  float tmpvar_140;
  tmpvar_140 = xll_mod (time_113, (_TimeOnDuration + _TimeOffDuration));
  float tmpvar_141;
  tmpvar_141 = tmpvar_140;
  fracTime_112 = tmpvar_141;
  highp float tmpvar_142;
  tmpvar_142 = smoothstep (0.0, (_TimeOnDuration * 0.25), fracTime_112);
  highp float tmpvar_143;
  tmpvar_143 = smoothstep ((_TimeOnDuration * 0.75), _TimeOnDuration, fracTime_112);
  highp float tmpvar_144;
  tmpvar_144 = (tmpvar_142 * (1.0 - tmpvar_143));
  wave_111 = tmpvar_144;
  highp float tmpvar_145;
  tmpvar_145 = (time_113 * (6.28319 / _TimeOnDuration));
  noiseTime_110 = tmpvar_145;
  highp float tmpvar_146;
  tmpvar_146 = sin (noiseTime_110);
  highp float tmpvar_147;
  tmpvar_147 = cos (((noiseTime_110 * 0.6366) + 56.7272));
  highp float tmpvar_148;
  tmpvar_148 = (tmpvar_146 * ((0.5 * tmpvar_147) + 0.5));
  noise_109 = tmpvar_148;
  highp float tmpvar_149;
  tmpvar_149 = ((_NoiseAmount * noise_109) + (1.0 - _NoiseAmount));
  noiseWave_108 = tmpvar_149;
  highp float tmpvar_150;
  if ((_NoiseAmount < 0.01)) {
    tmpvar_150 = wave_111;
  } else {
    tmpvar_150 = noiseWave_108;
  };
  highp float tmpvar_151;
  tmpvar_151 = tmpvar_150;
  wave_111 = tmpvar_151;
  highp float tmpvar_152;
  tmpvar_152 = (wave_111 + _Bias);
  wave_111 = tmpvar_152;
  highp vec2 tmpvar_153;
  tmpvar_153 = v_106.texcoord.xy;
  o_107.uv = tmpvar_153;
  highp vec4 tmpvar_154;
  tmpvar_154.w = 1.0;
  tmpvar_154.xyz = BBLocalPos_114.xyz;
  highp vec4 tmpvar_155;
  tmpvar_155 = (glstate_matrix_mvp * tmpvar_154);
  o_107.pos = tmpvar_155;
  highp float tmpvar_156;
  tmpvar_156 = CalcFadeOutFactor (localDirLength_119);
  highp vec4 tmpvar_157;
  tmpvar_157 = (((tmpvar_156 * _Color) * _Multiplier) * wave_111);
  o_107.color = tmpvar_157;
  return o_107;
}

void main ()
{
  appdata_full xlt_v_158;
  v2f xl_retval_159;
  highp vec4 tmpvar_160;
  tmpvar_160 = _glesVertex.xyzw;
  highp vec4 tmpvar_161;
  tmpvar_161 = tmpvar_160;
  xlt_v_158.vertex = tmpvar_161;
  vec4 tmpvar_162;
  tmpvar_162 = TANGENT.xyzw;
  vec4 tmpvar_163;
  tmpvar_163 = tmpvar_162;
  xlt_v_158.tangent = tmpvar_163;
  mediump vec3 tmpvar_164;
  tmpvar_164 = _glesNormal.xyz;
  mediump vec3 tmpvar_165;
  tmpvar_165 = tmpvar_164;
  xlt_v_158.normal = tmpvar_165;
  highp vec4 tmpvar_166;
  tmpvar_166 = _glesMultiTexCoord0.xyzw;
  highp vec4 tmpvar_167;
  tmpvar_167 = tmpvar_166;
  xlt_v_158.texcoord = tmpvar_167;
  highp vec4 tmpvar_168;
  tmpvar_168 = _glesMultiTexCoord1.xyzw;
  highp vec4 tmpvar_169;
  tmpvar_169 = tmpvar_168;
  xlt_v_158.texcoord1 = tmpvar_169;
  lowp vec4 tmpvar_170;
  tmpvar_170 = _glesColor.xyzw;
  lowp vec4 tmpvar_171;
  tmpvar_171 = tmpvar_170;
  xlt_v_158.color = tmpvar_171;
  v2f tmpvar_172;
  tmpvar_172 = xlat_main (xlt_v_158);
  v2f tmpvar_173;
  tmpvar_173 = tmpvar_172;
  xl_retval_159 = tmpvar_173;
  highp vec4 tmpvar_174;
  tmpvar_174 = xl_retval_159.pos.xyzw;
  highp vec4 tmpvar_175;
  tmpvar_175 = tmpvar_174;
  xlv_SV_POSITION = tmpvar_175;
  highp vec2 tmpvar_176;
  tmpvar_176 = xl_retval_159.uv.xy;
  highp vec2 tmpvar_177;
  tmpvar_177 = tmpvar_176;
  xlv_TEXCOORD0 = tmpvar_177;
  lowp vec4 tmpvar_178;
  tmpvar_178 = xl_retval_159.color.xyzw;
  lowp vec4 tmpvar_179;
  tmpvar_179 = tmpvar_178;
  xlv_TEXCOORD1 = tmpvar_179;
}