bgfx/3rdparty/glsl-optimizer/tests/fragment/zun-Hidden_Tree_Optimized_Bark_Shader1-out.txt

uniform sampler2D _BumpSpecMap;
void main ()
{
  vec2 tmpvar_1;
  vec4 normal_2;
  normal_2.xy = ((texture2D (_BumpSpecMap, tmpvar_1).wy * 2.0) - 1.0);
  normal_2.z = sqrt(((1.0 - (normal_2.x * normal_2.x)) - (normal_2.y * normal_2.y)));
  gl_FragData[0] = vec4(0.0, 0.0, 0.0, 0.0);
}