bgfx/3rdparty/glsl-optimizer/tests/fragment/unity-Surface_ScreenPos2-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;
  vec3 normal;
};
uniform sampler2D _MainTex;
void surf (
  in Input IN,
  inout SurfaceOutput o
)
{
  vec2 uv;
  vec2 tmpvar_1;
  tmpvar_1 = (IN.screenPos.xy / IN.screenPos.w);
  uv = tmpvar_1;
  vec2 tmpvar_2;
  tmpvar_2 = (uv * vec2(2.0, 1.0));
  uv = tmpvar_2;
  vec3 tmpvar_3;
  tmpvar_3 = vec3(0.5, 0.5, 0.5);
  o.Albedo = tmpvar_3;
  vec4 tmpvar_4;
  tmpvar_4 = texture2D (_MainTex, uv);
  vec3 tmpvar_5;
  tmpvar_5 = (tmpvar_4.xyz * 0.5);
  o.Emission = tmpvar_5;
}

vec4 frag_surf (
  in v2f_surf IN
)
{
  vec4 res;
  Input surfIN;
  SurfaceOutput o;
  vec3 tmpvar_1;
  tmpvar_1 = vec3(0.0, 0.0, 0.0);
  o.Albedo = tmpvar_1;
  vec3 tmpvar_2;
  tmpvar_2 = vec3(0.0, 0.0, 0.0);
  o.Emission = tmpvar_2;
  float tmpvar_3;
  tmpvar_3 = 0.0;
  o.Specular = tmpvar_3;
  float tmpvar_4;
  tmpvar_4 = 0.0;
  o.Alpha = tmpvar_4;
  float tmpvar_5;
  tmpvar_5 = 0.0;
  o.Gloss = tmpvar_5;
  vec3 tmpvar_6;
  tmpvar_6 = IN.normal;
  o.Normal = tmpvar_6;
  surf (surfIN, o);
  vec3 tmpvar_7;
  tmpvar_7 = ((o.Normal * vec3(0.5, 0.5, -0.5)) + 0.5);
  res.xyz = tmpvar_7.xyz.xyz;
  float tmpvar_8;
  tmpvar_8 = o.Specular;
  res.w = vec4(tmpvar_8).w;
  return res;
}

void main ()
{
  v2f_surf xlt_IN;
  vec4 xl_retval;
  vec4 tmpvar_1;
  tmpvar_1 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_IN.pos = tmpvar_1;
  vec3 tmpvar_2;
  tmpvar_2 = gl_TexCoord[0].xyz;
  vec3 tmpvar_3;
  tmpvar_3 = tmpvar_2;
  xlt_IN.normal = tmpvar_3;
  vec4 tmpvar_4;
  tmpvar_4 = frag_surf (xlt_IN);
  vec4 tmpvar_5;
  tmpvar_5 = tmpvar_4;
  xl_retval = tmpvar_5;
  vec4 tmpvar_6;
  tmpvar_6 = xl_retval.xyzw;
  vec4 tmpvar_7;
  tmpvar_7 = tmpvar_6;
  gl_FragData[0] = tmpvar_7;
}