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

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