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

struct SurfaceOutput {
  vec3 Albedo;
  vec3 Normal;
  vec3 Emission;
  float Specular;
  float Gloss;
  float Alpha;
};
struct Input {
  vec2 uv_MainTex;
  vec2 uv_BumpMap;
  vec3 viewDir;
};
struct v2f_surf {
  vec4 pos;
  float fog;
  vec4 hip_pack0;
  vec3 viewDir;
  vec3 lightDir;
  vec3 vlight;
  vec4 _ShadowCoord;
};
varying vec4 xlv_FOG;
uniform sampler2D _ShadowMapTexture;
uniform sampler2D _ParallaxMap;
uniform float _Parallax;
uniform sampler2D _MainTex;
uniform vec4 _LightColor0;
uniform vec4 _Color;
uniform sampler2D _BumpMap;
float unitySampleShadow (
  in vec4 shadowCoord_1
)
{
  float shadow_2;
  vec4 tmpvar_3;
  tmpvar_3 = texture2DProj (_ShadowMapTexture, shadowCoord_1);
  float tmpvar_4;
  tmpvar_4 = tmpvar_3.x;
  shadow_2 = tmpvar_4;
  return shadow_2;
}

vec4 UnpackNormal (
  in vec4 packednormal_5
)
{
  vec4 normal_6;
  vec2 tmpvar_7;
  tmpvar_7 = ((packednormal_5.wy * 2.0) - 1.0);
  normal_6.xy = tmpvar_7.xy.xy;
  float tmpvar_8;
  tmpvar_8 = sqrt (((1.0 - (normal_6.x * normal_6.x)) - (normal_6.y * normal_6.y)));
  float tmpvar_9;
  tmpvar_9 = tmpvar_8;
  normal_6.z = vec3(tmpvar_9).z;
  return normal_6;
}

vec2 ParallaxOffset (
  in float h_10,
  in float height_11,
  in vec3 viewDir_12
)
{
  vec3 v_13;
  float tmpvar_14;
  tmpvar_14 = ((h_10 * height_11) - (height_11 / 2.0));
  h_10 = tmpvar_14;
  vec3 tmpvar_15;
  tmpvar_15 = normalize (viewDir_12);
  vec3 tmpvar_16;
  tmpvar_16 = tmpvar_15;
  v_13 = tmpvar_16;
  float tmpvar_17;
  tmpvar_17 = (v_13.z + 0.42);
  v_13.z = vec3(tmpvar_17).z;
  return (h_10 * (v_13.xy / v_13.z));
}

void surf (
  in Input IN_18,
  inout SurfaceOutput o_19
)
{
  vec4 c_20;
  vec2 offset_21;
  float h_22;
  vec4 tmpvar_23;
  tmpvar_23 = texture2D (_ParallaxMap, IN_18.uv_BumpMap);
  float tmpvar_24;
  tmpvar_24 = tmpvar_23.w;
  h_22 = tmpvar_24;
  vec2 tmpvar_25;
  tmpvar_25 = ParallaxOffset (h_22, _Parallax, IN_18.viewDir);
  vec2 tmpvar_26;
  tmpvar_26 = tmpvar_25;
  offset_21 = tmpvar_26;
  vec2 tmpvar_27;
  tmpvar_27 = (IN_18.uv_MainTex + offset_21);
  IN_18.uv_MainTex = tmpvar_27;
  vec2 tmpvar_28;
  tmpvar_28 = (IN_18.uv_BumpMap + offset_21);
  IN_18.uv_BumpMap = tmpvar_28;
  vec4 tmpvar_29;
  tmpvar_29 = texture2D (_MainTex, IN_18.uv_MainTex);
  vec4 tmpvar_30;
  tmpvar_30 = (tmpvar_29 * _Color);
  c_20 = tmpvar_30;
  vec3 tmpvar_31;
  tmpvar_31 = c_20.xyz;
  o_19.Albedo = tmpvar_31;
  float tmpvar_32;
  tmpvar_32 = c_20.w;
  o_19.Alpha = tmpvar_32;
  vec4 tmpvar_33;
  tmpvar_33 = texture2D (_BumpMap, IN_18.uv_BumpMap);
  vec4 tmpvar_34;
  tmpvar_34 = UnpackNormal (tmpvar_33);
  vec3 tmpvar_35;
  tmpvar_35 = tmpvar_34.xyz;
  vec3 tmpvar_36;
  tmpvar_36 = tmpvar_35;
  o_19.Normal = tmpvar_36;
}

vec4 LightingLambert (
  in SurfaceOutput s_37,
  in vec3 lightDir_38,
  in float atten_39
)
{
  vec4 c_40;
  float diff_41;
  float tmpvar_42;
  tmpvar_42 = dot (s_37.Normal, lightDir_38);
  float tmpvar_43;
  tmpvar_43 = max (0.0, tmpvar_42);
  float tmpvar_44;
  tmpvar_44 = tmpvar_43;
  diff_41 = tmpvar_44;
  vec3 tmpvar_45;
  tmpvar_45 = ((s_37.Albedo * _LightColor0.xyz) * ((diff_41 * atten_39) * 2.0));
  c_40.xyz = tmpvar_45.xyz.xyz;
  float tmpvar_46;
  tmpvar_46 = s_37.Alpha;
  c_40.w = vec4(tmpvar_46).w;
  return c_40;
}

vec4 frag_surf (
  in v2f_surf IN_47
)
{
  vec4 c_48;
  float atten_49;
  SurfaceOutput o_50;
  Input surfIN_51;
  vec2 tmpvar_52;
  tmpvar_52 = IN_47.hip_pack0.xy;
  surfIN_51.uv_MainTex = tmpvar_52;
  vec2 tmpvar_53;
  tmpvar_53 = IN_47.hip_pack0.zw;
  surfIN_51.uv_BumpMap = tmpvar_53;
  vec3 tmpvar_54;
  tmpvar_54 = IN_47.viewDir;
  surfIN_51.viewDir = tmpvar_54;
  vec3 tmpvar_55;
  tmpvar_55 = vec3(0.0, 0.0, 0.0);
  o_50.Albedo = tmpvar_55;
  vec3 tmpvar_56;
  tmpvar_56 = vec3(0.0, 0.0, 0.0);
  o_50.Emission = tmpvar_56;
  float tmpvar_57;
  tmpvar_57 = 0.0;
  o_50.Specular = tmpvar_57;
  float tmpvar_58;
  tmpvar_58 = 0.0;
  o_50.Alpha = tmpvar_58;
  float tmpvar_59;
  tmpvar_59 = 0.0;
  o_50.Gloss = tmpvar_59;
  surf (surfIN_51, o_50);
  float tmpvar_60;
  tmpvar_60 = unitySampleShadow (IN_47._ShadowCoord);
  float tmpvar_61;
  tmpvar_61 = tmpvar_60;
  atten_49 = tmpvar_61;
  vec4 tmpvar_62;
  tmpvar_62 = LightingLambert (o_50, IN_47.lightDir, atten_49);
  vec4 tmpvar_63;
  tmpvar_63 = tmpvar_62;
  c_48 = tmpvar_63;
  vec3 tmpvar_64;
  tmpvar_64 = (c_48.xyz + (o_50.Albedo * IN_47.vlight));
  c_48.xyz = tmpvar_64.xyz.xyz;
  return c_48;
}

void main ()
{
  v2f_surf xlt_IN_65;
  vec4 xl_retval_66;
  vec4 tmpvar_67;
  tmpvar_67 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_IN_65.pos = tmpvar_67;
  float tmpvar_68;
  tmpvar_68 = xlv_FOG.x;
  xlt_IN_65.fog = tmpvar_68;
  vec4 tmpvar_69;
  tmpvar_69 = gl_TexCoord[0].xyzw;
  vec4 tmpvar_70;
  tmpvar_70 = tmpvar_69;
  xlt_IN_65.hip_pack0 = tmpvar_70;
  vec3 tmpvar_71;
  tmpvar_71 = gl_TexCoord[1].xyz;
  vec3 tmpvar_72;
  tmpvar_72 = tmpvar_71;
  xlt_IN_65.viewDir = tmpvar_72;
  vec3 tmpvar_73;
  tmpvar_73 = gl_TexCoord[2].xyz;
  vec3 tmpvar_74;
  tmpvar_74 = tmpvar_73;
  xlt_IN_65.lightDir = tmpvar_74;
  vec3 tmpvar_75;
  tmpvar_75 = gl_TexCoord[3].xyz;
  vec3 tmpvar_76;
  tmpvar_76 = tmpvar_75;
  xlt_IN_65.vlight = tmpvar_76;
  vec4 tmpvar_77;
  tmpvar_77 = gl_TexCoord[4].xyzw;
  vec4 tmpvar_78;
  tmpvar_78 = tmpvar_77;
  xlt_IN_65._ShadowCoord = tmpvar_78;
  vec4 tmpvar_79;
  tmpvar_79 = frag_surf (xlt_IN_65);
  vec4 tmpvar_80;
  tmpvar_80 = tmpvar_79;
  xl_retval_66 = tmpvar_80;
  vec4 tmpvar_81;
  tmpvar_81 = xl_retval_66.xyzw;
  vec4 tmpvar_82;
  tmpvar_82 = tmpvar_81;
  gl_FragData[0] = tmpvar_82;
}