bgfx/3rdparty/glsl-optimizer/tests/fragment/derivatives-outES.txt

#extension GL_OES_standard_derivatives : enable
varying highp vec4 xlv_TEXCOORD0;
void main ()
{
  mediump vec4 tmpvar_1;
  lowp vec4 res_2;
  highp float tmpvar_3;
  tmpvar_3 = dFdx(xlv_TEXCOORD0.x);
  res_2.x = tmpvar_3;
  highp float tmpvar_4;
  tmpvar_4 = dFdx(xlv_TEXCOORD0.y);
  res_2.y = tmpvar_4;
  highp float tmpvar_5;
  tmpvar_5 = (abs(dFdx(xlv_TEXCOORD0.z)) + abs(dFdy(xlv_TEXCOORD0.z)));
  res_2.z = tmpvar_5;
  res_2.w = 1.0;
  tmpvar_1 = res_2;
  gl_FragData[0] = tmpvar_1;
}