gistfile1.txt

	  spec.FragmentColor = function(builtIns) {
		  var xy  = this.varyings.texCoord;
		  var xyz = [xy[0], xy[1], xy[0] * xy[1]]; 
		  var tx = mat4.create();
		  var xyz2 = vec3.create();
		  xyz2 = vec3.transformMat4(xyz2, xyz, tx); 
		  return vec3.transformMat4(vec3.create(), xyz, tx); 
	  }

----
varying vec2 varyings_texCoord;

vec3 vec3_transformMat4(vec3 t, mat4 m){
        return (m * vec4(t[0], t[1], t[2], 1)).xyz;
}
vec3 vec3_transformMat4(inout vec3 out_param, vec3 t, mat4 m){
        return out_param = (m * vec4(t[0], t[1], t[2], 1)).xyz;
}
vec3 FragmentColor(){
        vec2 xy = varyings_texCoord;
        vec3 xyz = vec3(xy[0], xy[1], (xy[0] * xy[1]));
        mat4 tx = mat4(1);
        vec3 xyz2 = vec3(0);
        xyz2 = vec3_transformMat4(xyz2, xyz, tx);
        return vec3_transformMat4(xyz, tx);
}