bgfx/3rdparty/glsl-optimizer/tests/fragment/zun-Tree_Editor_Bark_Shader-ir.txt

struct SurfaceOutput {
  vec3 Albedo;
  vec3 Normal;
  vec3 Emission;
  float Specular;
  float Gloss;
  float Alpha;
};
struct Input {
  vec2 uv_MainTex;
  vec4 color;
};
struct v2f_surf {
  vec4 pos;
  float fog;
  vec2 hip_pack0;
  vec4 lop_color;
  vec3 lightDir;
  vec3 viewDir;
};
uniform sampler2D _BumpMap;
uniform vec4 _Color;
uniform sampler2D _GlossMap;
uniform vec4 _LightColor0;
uniform sampler2D _MainTex;
uniform float _Shininess;
varying vec4 xlv_FOG;
vec4 UnpackNormal (
  in vec4 packednormal_1
)
{
  vec4 normal_2;
  vec2 tmpvar_3;
  tmpvar_3 = ((packednormal_1.wy * 2.0) - 1.0);
  normal_2.xy = tmpvar_3.xy.xy;
  float tmpvar_4;
  tmpvar_4 = sqrt (((1.0 - (normal_2.x * normal_2.x)) - (normal_2.y * normal_2.y)));
  float tmpvar_5;
  tmpvar_5 = tmpvar_4;
  normal_2.z = vec3(tmpvar_5).z;
  return normal_2;
}

void surf (
  in Input IN_6,
  inout SurfaceOutput o_7
)
{
  vec4 c_8;
  vec4 tmpvar_9;
  tmpvar_9 = texture2D (_MainTex, IN_6.uv_MainTex);
  vec4 tmpvar_10;
  tmpvar_10 = tmpvar_9;
  c_8 = tmpvar_10;
  vec3 tmpvar_11;
  tmpvar_11 = (c_8.xyz * IN_6.color.xyz);
  o_7.Albedo = tmpvar_11;
  vec4 tmpvar_12;
  tmpvar_12 = texture2D (_GlossMap, IN_6.uv_MainTex);
  float tmpvar_13;
  tmpvar_13 = tmpvar_12.w;
  o_7.Gloss = tmpvar_13;
  float tmpvar_14;
  tmpvar_14 = _Color.w;
  o_7.Alpha = tmpvar_14;
  float tmpvar_15;
  tmpvar_15 = _Shininess;
  o_7.Specular = tmpvar_15;
  vec4 tmpvar_16;
  tmpvar_16 = texture2D (_BumpMap, IN_6.uv_MainTex);
  vec4 tmpvar_17;
  tmpvar_17 = UnpackNormal (tmpvar_16);
  vec3 tmpvar_18;
  tmpvar_18 = tmpvar_17.xyz;
  vec3 tmpvar_19;
  tmpvar_19 = tmpvar_18;
  o_7.Normal = tmpvar_19;
}

vec4 LightingTreeBark (
  in SurfaceOutput s_20,
  in vec3 lightDir_21,
  in vec3 viewDir_22,
  in float atten_23
)
{
  vec4 c_24;
  float spec_25;
  float nh_26;
  float diff_27;
  vec3 h_28;
  vec3 tmpvar_29;
  tmpvar_29 = normalize ((lightDir_21 + viewDir_22));
  vec3 tmpvar_30;
  tmpvar_30 = tmpvar_29;
  h_28 = tmpvar_30;
  float tmpvar_31;
  tmpvar_31 = dot (s_20.Normal, lightDir_21);
  float tmpvar_32;
  tmpvar_32 = max (0.0, tmpvar_31);
  float tmpvar_33;
  tmpvar_33 = tmpvar_32;
  diff_27 = tmpvar_33;
  float tmpvar_34;
  tmpvar_34 = dot (s_20.Normal, h_28);
  float tmpvar_35;
  tmpvar_35 = max (0.0, tmpvar_34);
  float tmpvar_36;
  tmpvar_36 = tmpvar_35;
  nh_26 = tmpvar_36;
  float tmpvar_37;
  tmpvar_37 = pow (nh_26, (s_20.Specular * 128.0));
  float tmpvar_38;
  tmpvar_38 = (tmpvar_37 * s_20.Gloss);
  spec_25 = tmpvar_38;
  vec3 tmpvar_39;
  tmpvar_39 = (((
    (s_20.Albedo * _LightColor0.xyz)
   * diff_27) + (_LightColor0.xyz * spec_25)) * (atten_23 * 2.0));
  c_24.xyz = tmpvar_39.xyz.xyz;
  float tmpvar_40;
  tmpvar_40 = (((_LightColor0.w * spec_25) * atten_23) * s_20.Alpha);
  c_24.w = vec4(tmpvar_40).w;
  return c_24;
}

vec4 frag_surf (
  in v2f_surf IN_41
)
{
  vec4 c_42;
  vec3 lightDir_43;
  SurfaceOutput o_44;
  Input surfIN_45;
  vec2 tmpvar_46;
  tmpvar_46 = IN_41.hip_pack0.xy;
  surfIN_45.uv_MainTex = tmpvar_46;
  vec4 tmpvar_47;
  tmpvar_47 = IN_41.lop_color;
  surfIN_45.color = tmpvar_47;
  vec3 tmpvar_48;
  tmpvar_48 = vec3(0.0, 0.0, 0.0);
  o_44.Albedo = tmpvar_48;
  vec3 tmpvar_49;
  tmpvar_49 = vec3(0.0, 0.0, 0.0);
  o_44.Emission = tmpvar_49;
  float tmpvar_50;
  tmpvar_50 = 0.0;
  o_44.Specular = tmpvar_50;
  float tmpvar_51;
  tmpvar_51 = 0.0;
  o_44.Alpha = tmpvar_51;
  float tmpvar_52;
  tmpvar_52 = 0.0;
  o_44.Gloss = tmpvar_52;
  surf (surfIN_45, o_44);
  vec3 tmpvar_53;
  tmpvar_53 = IN_41.lightDir;
  lightDir_43 = tmpvar_53;
  vec3 tmpvar_54;
  tmpvar_54 = IN_41.viewDir.xyz;
  vec3 tmpvar_55;
  tmpvar_55 = normalize (tmpvar_54);
  vec4 tmpvar_56;
  tmpvar_56 = LightingTreeBark (o_44, lightDir_43, tmpvar_55, 1.0);
  vec4 tmpvar_57;
  tmpvar_57 = tmpvar_56;
  c_42 = tmpvar_57;
  float tmpvar_58;
  tmpvar_58 = 0.0;
  c_42.w = vec4(tmpvar_58).w;
  return c_42;
}

void main ()
{
  v2f_surf xlt_IN_59;
  vec4 xl_retval_60;
  vec4 tmpvar_61;
  tmpvar_61 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_IN_59.pos = tmpvar_61;
  float tmpvar_62;
  tmpvar_62 = xlv_FOG.x;
  xlt_IN_59.fog = tmpvar_62;
  vec2 tmpvar_63;
  tmpvar_63 = gl_TexCoord[0].xy;
  vec2 tmpvar_64;
  tmpvar_64 = tmpvar_63;
  xlt_IN_59.hip_pack0 = tmpvar_64;
  vec4 tmpvar_65;
  tmpvar_65 = gl_Color.xyzw;
  vec4 tmpvar_66;
  tmpvar_66 = tmpvar_65;
  xlt_IN_59.lop_color = tmpvar_66;
  vec3 tmpvar_67;
  tmpvar_67 = gl_TexCoord[1].xyz;
  vec3 tmpvar_68;
  tmpvar_68 = tmpvar_67;
  xlt_IN_59.lightDir = tmpvar_68;
  vec3 tmpvar_69;
  tmpvar_69 = gl_TexCoord[2].xyz;
  vec3 tmpvar_70;
  tmpvar_70 = tmpvar_69;
  xlt_IN_59.viewDir = tmpvar_70;
  vec4 tmpvar_71;
  tmpvar_71 = frag_surf (xlt_IN_59);
  vec4 tmpvar_72;
  tmpvar_72 = tmpvar_71;
  xl_retval_60 = tmpvar_72;
  vec4 tmpvar_73;
  tmpvar_73 = xl_retval_60.xyzw;
  vec4 tmpvar_74;
  tmpvar_74 = tmpvar_73;
  gl_FragData[0] = tmpvar_74;
}