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

struct SurfaceOutput {
  vec3 Albedo;
  vec3 Normal;
  vec3 Emission;
  float Specular;
  float Gloss;
  float Alpha;
};
struct Input {
  vec4 screenPos;
};
struct v2f_surf {
  vec4 pos;
  float fog;
  vec3 normal;
  vec3 lightDir;
  vec4 _LightCoord;
};
uniform vec4 _LightColor0;
uniform sampler2D _LightTexture0;
uniform sampler2D _LightTextureB0;
uniform sampler2D _MainTex;
varying vec4 xlv_FOG;
void surf (
  in Input IN_1,
  inout SurfaceOutput o_2
)
{
  vec2 uv_3;
  vec2 tmpvar_4;
  tmpvar_4 = (IN_1.screenPos.xy / IN_1.screenPos.w);
  uv_3 = tmpvar_4;
  vec2 tmpvar_5;
  tmpvar_5 = (uv_3 * vec2(2.0, 1.0));
  uv_3 = tmpvar_5;
  vec3 tmpvar_6;
  tmpvar_6 = vec3(0.5, 0.5, 0.5);
  o_2.Albedo = tmpvar_6;
  vec4 tmpvar_7;
  tmpvar_7 = texture2D (_MainTex, uv_3);
  vec3 tmpvar_8;
  tmpvar_8 = (tmpvar_7.xyz * 0.5);
  o_2.Emission = tmpvar_8;
}

float UnitySpotCookie (
  in vec4 LightCoord_9
)
{
  vec4 tmpvar_10;
  tmpvar_10 = texture2D (_LightTexture0, ((LightCoord_9.xy / LightCoord_9.w) + 0.5));
  return tmpvar_10.w;
}

float UnitySpotAttenuate (
  in vec3 LightCoord_11
)
{
  float tmpvar_12;
  tmpvar_12 = dot (LightCoord_11, LightCoord_11);
  vec2 tmpvar_13;
  tmpvar_13 = vec2(tmpvar_12);
  vec2 tmpvar_14;
  tmpvar_14 = tmpvar_13.xy;
  vec4 tmpvar_15;
  tmpvar_15 = texture2D (_LightTextureB0, tmpvar_14);
  return tmpvar_15.w;
}

vec4 LightingLambert (
  in SurfaceOutput s_16,
  in vec3 lightDir_17,
  in float atten_18
)
{
  vec4 c_19;
  float diff_20;
  float tmpvar_21;
  tmpvar_21 = dot (s_16.Normal, lightDir_17);
  float tmpvar_22;
  tmpvar_22 = max (0.0, tmpvar_21);
  float tmpvar_23;
  tmpvar_23 = tmpvar_22;
  diff_20 = tmpvar_23;
  vec3 tmpvar_24;
  tmpvar_24 = ((s_16.Albedo * _LightColor0.xyz) * ((diff_20 * atten_18) * 2.0));
  c_19.xyz = tmpvar_24.xyz.xyz;
  float tmpvar_25;
  tmpvar_25 = s_16.Alpha;
  c_19.w = vec4(tmpvar_25).w;
  return c_19;
}

vec4 frag_surf (
  in v2f_surf IN_26
)
{
  vec4 c_27;
  vec3 lightDir_28;
  Input surfIN_29;
  SurfaceOutput o_30;
  vec3 tmpvar_31;
  tmpvar_31 = vec3(0.0, 0.0, 0.0);
  o_30.Albedo = tmpvar_31;
  vec3 tmpvar_32;
  tmpvar_32 = vec3(0.0, 0.0, 0.0);
  o_30.Emission = tmpvar_32;
  float tmpvar_33;
  tmpvar_33 = 0.0;
  o_30.Specular = tmpvar_33;
  float tmpvar_34;
  tmpvar_34 = 0.0;
  o_30.Alpha = tmpvar_34;
  float tmpvar_35;
  tmpvar_35 = 0.0;
  o_30.Gloss = tmpvar_35;
  vec3 tmpvar_36;
  tmpvar_36 = IN_26.normal;
  o_30.Normal = tmpvar_36;
  surf (surfIN_29, o_30);
  vec3 tmpvar_37;
  tmpvar_37 = IN_26.lightDir;
  lightDir_28 = tmpvar_37;
  vec3 tmpvar_38;
  tmpvar_38 = normalize (lightDir_28);
  vec3 tmpvar_39;
  tmpvar_39 = tmpvar_38;
  lightDir_28 = tmpvar_39;
  float tmpvar_40;
  tmpvar_40 = UnitySpotCookie (IN_26._LightCoord);
  float tmpvar_41;
  tmpvar_41 = UnitySpotAttenuate (IN_26._LightCoord.xyz);
  vec4 tmpvar_42;
  tmpvar_42 = LightingLambert (o_30, lightDir_28, ((float(
    (IN_26._LightCoord.z > 0.0)
  ) * tmpvar_40) * tmpvar_41));
  vec4 tmpvar_43;
  tmpvar_43 = tmpvar_42;
  c_27 = tmpvar_43;
  float tmpvar_44;
  tmpvar_44 = 0.0;
  c_27.w = vec4(tmpvar_44).w;
  return c_27;
}

void main ()
{
  v2f_surf xlt_IN_45;
  vec4 xl_retval_46;
  vec4 tmpvar_47;
  tmpvar_47 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_IN_45.pos = tmpvar_47;
  float tmpvar_48;
  tmpvar_48 = xlv_FOG.x;
  xlt_IN_45.fog = tmpvar_48;
  vec3 tmpvar_49;
  tmpvar_49 = gl_TexCoord[0].xyz;
  vec3 tmpvar_50;
  tmpvar_50 = tmpvar_49;
  xlt_IN_45.normal = tmpvar_50;
  vec3 tmpvar_51;
  tmpvar_51 = gl_TexCoord[1].xyz;
  vec3 tmpvar_52;
  tmpvar_52 = tmpvar_51;
  xlt_IN_45.lightDir = tmpvar_52;
  vec4 tmpvar_53;
  tmpvar_53 = gl_TexCoord[2].xyzw;
  vec4 tmpvar_54;
  tmpvar_54 = tmpvar_53;
  xlt_IN_45._LightCoord = tmpvar_54;
  vec4 tmpvar_55;
  tmpvar_55 = frag_surf (xlt_IN_45);
  vec4 tmpvar_56;
  tmpvar_56 = tmpvar_55;
  xl_retval_46 = tmpvar_56;
  vec4 tmpvar_57;
  tmpvar_57 = xl_retval_46.xyzw;
  vec4 tmpvar_58;
  tmpvar_58 = tmpvar_57;
  gl_FragData[0] = tmpvar_58;
}