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

uniform sampler2D _MainTex;
uniform vec4 _GrabTexture_TexelSize;
uniform sampler2D _GrabTexture;
uniform sampler2D _BumpMap;
uniform float _BumpAmt;
void main ()
{
  vec4 tmpvar_1;
  tmpvar_1 = gl_TexCoord[0];
  vec4 tmpvar_2;
  tmpvar_2.zw = tmpvar_1.zw;
  vec4 normal_3;
  normal_3.xy = ((texture2D (_BumpMap, gl_TexCoord[1].xy).wy * 2.0) - 1.0);
  normal_3.z = sqrt(((1.0 - (normal_3.x * normal_3.x)) - (normal_3.y * normal_3.y)));
  tmpvar_2.xy = ((((normal_3.xy * _BumpAmt) * _GrabTexture_TexelSize.xy) * tmpvar_1.z) + tmpvar_1.xy);
  gl_FragData[0] = (texture2DProj (_GrabTexture, tmpvar_2) * texture2D (_MainTex, gl_TexCoord[2].xy));
}