#include <metal_stdlib>
using namespace metal;
struct xlatMtlShaderInput {
  float4 var_uv;
};
struct xlatMtlShaderOutput {
  half4 out_data [[color(0)]];
};
struct xlatMtlShaderUniform {
  float uni1;
  half4 uni4;
  half _AtmosphereThickness;
};
fragment xlatMtlShaderOutput xlatMtlMain (xlatMtlShaderInput _mtl_i [[stage_in]], constant xlatMtlShaderUniform& _mtl_u [[buffer(0)]]
  ,   texture2d<half> tex1 [[texture(0)]], sampler _mtlsmp_tex1 [[sampler(0)]])
{
  xlatMtlShaderOutput _mtl_o;
float mut_uni1_1;
half4 mut_uni4_2;
float kKrESun_3;
float kKr4PI_4;
  mut_uni4_2.zw = _mtl_u.uni4.zw;
  half tmpvar_5_5;
  half tmpvar_3_6;
  half4 c_7;
  c_7.yzw = half3(float3(0.0, 0.0, 0.0));
  c_7.x = _mtl_u.uni4.x;
  float3 tmpvar_8;
  float2 uv_9;
  uv_9 = _mtl_i.var_uv.xy;
  mut_uni4_2.xy = half2(uv_9);
  half3 tmpvar_10;
  tmpvar_10 = tex1.sample(_mtlsmp_tex1, (float2)(mut_uni4_2.xy)).xyz;
  tmpvar_8 = float3(tmpvar_10);
  c_7.xyz = half3(((float3)c_7.xyz + tmpvar_8));
  c_7.z = half(((float)c_7.z + _mtl_u.uni1));
  mut_uni1_1 = (_mtl_u.uni1 + 2.0);
  c_7.w = half(mut_uni1_1);
  half tmpvar_11;
  tmpvar_11 = pow (_mtl_u._AtmosphereThickness, (half)2.5);
  tmpvar_3_6 = ((half)0.05 * tmpvar_11);
  kKrESun_3 = float(tmpvar_3_6);
  tmpvar_5_5 = (tmpvar_11 * (half)0.031416);
  kKr4PI_4 = float(tmpvar_5_5);
  if ((_mtl_i.var_uv.x > 0.5)) {
    float tmpvar_12;
    tmpvar_12 = pow (kKrESun_3, kKr4PI_4);
    c_7.x = half(((float)c_7.x + tmpvar_12));
  };
  _mtl_o.out_data = c_7;
  return _mtl_o;
}


// stats: 10 alu 1 tex 1 flow
// inputs: 1
//  #0: var_uv (high float) 4x1 [-1]
// uniforms: 3 (total size: 18)
//  #0: uni1 (high float) 1x1 [-1] loc 0
//  #1: uni4 (medium float) 4x1 [-1] loc 8
//  #2: _AtmosphereThickness (medium float) 1x1 [-1] loc 16
// textures: 1
//  #0: tex1 (low 2d) 0x0 [-1] loc 0