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

struct v2f {
  vec4 pos;
  vec2 uv;
  vec2 uvg;
  vec2 uvs;
};
uniform sampler2D _ScratchTex;
uniform sampler2D _MainTex;
uniform vec4 _Intensity;
uniform sampler2D _GrainTex;
vec4 frag (
  in v2f i_1
)
{
  vec3 scratch_2;
  vec3 grain_3;
  vec3 yuv_4;
  vec4 col_5;
  vec4 tmpvar_6;
  tmpvar_6 = texture2D (_MainTex, i_1.uv);
  vec4 tmpvar_7;
  tmpvar_7 = tmpvar_6;
  col_5 = tmpvar_7;
  float tmpvar_8;
  tmpvar_8 = dot (col_5.xyz, vec3(0.299, 0.587, 0.114));
  float tmpvar_9;
  tmpvar_9 = tmpvar_8;
  yuv_4.x = tmpvar_9;
  float tmpvar_10;
  tmpvar_10 = ((col_5.z - yuv_4.x) * 0.492);
  yuv_4.y = vec2(tmpvar_10).y;
  float tmpvar_11;
  tmpvar_11 = ((col_5.x - yuv_4.x) * 0.877);
  yuv_4.z = vec3(tmpvar_11).z;
  vec4 tmpvar_12;
  tmpvar_12 = texture2D (_GrainTex, i_1.uvg);
  vec3 tmpvar_13;
  tmpvar_13 = ((tmpvar_12.xyz * 2.0) - 1.0);
  grain_3 = tmpvar_13;
  vec3 tmpvar_14;
  tmpvar_14 = (yuv_4.xyz + (grain_3 * _Intensity.x));
  yuv_4 = tmpvar_14.xyz.xyz;
  float tmpvar_15;
  tmpvar_15 = ((yuv_4.z * 1.14) + yuv_4.x);
  col_5.x = tmpvar_15;
  float tmpvar_16;
  tmpvar_16 = (((yuv_4.z * -(0.581)) + (yuv_4.y * -(0.395))) + yuv_4.x);
  col_5.y = vec2(tmpvar_16).y;
  float tmpvar_17;
  tmpvar_17 = ((yuv_4.y * 2.032) + yuv_4.x);
  col_5.z = vec3(tmpvar_17).z;
  vec4 tmpvar_18;
  tmpvar_18 = texture2D (_ScratchTex, i_1.uvs);
  vec3 tmpvar_19;
  tmpvar_19 = ((tmpvar_18.xyz * 2.0) - 1.0);
  scratch_2 = tmpvar_19;
  vec3 tmpvar_20;
  tmpvar_20 = (col_5.xyz + (scratch_2 * _Intensity.y));
  col_5.xyz = tmpvar_20.xyz.xyz;
  return col_5;
}

void main ()
{
  v2f xlt_i_21;
  vec4 xl_retval_22;
  vec4 tmpvar_23;
  tmpvar_23 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_i_21.pos = tmpvar_23;
  vec2 tmpvar_24;
  tmpvar_24 = gl_TexCoord[0].xy;
  vec2 tmpvar_25;
  tmpvar_25 = tmpvar_24;
  xlt_i_21.uv = tmpvar_25;
  vec2 tmpvar_26;
  tmpvar_26 = gl_TexCoord[1].xy;
  vec2 tmpvar_27;
  tmpvar_27 = tmpvar_26;
  xlt_i_21.uvg = tmpvar_27;
  vec2 tmpvar_28;
  tmpvar_28 = gl_TexCoord[2].xy;
  vec2 tmpvar_29;
  tmpvar_29 = tmpvar_28;
  xlt_i_21.uvs = tmpvar_29;
  vec4 tmpvar_30;
  tmpvar_30 = frag (xlt_i_21);
  vec4 tmpvar_31;
  tmpvar_31 = tmpvar_30;
  xl_retval_22 = tmpvar_31;
  vec4 tmpvar_32;
  tmpvar_32 = xl_retval_22.xyzw;
  vec4 tmpvar_33;
  tmpvar_33 = tmpvar_32;
  gl_FragData[0] = tmpvar_33;
}