declare var _default: "varying float vPixelSize;\n\nfloat getDiscAlpha(float mask) {\n  // Approximation: 1 - x*x is approximately linear around x = 1 with slope 2\n  return vPixelSize * (1.0 - mask);\n  //  return vPixelSize * 2.0 * (1.0 - sqrt(mask));\n}\n";
export default _default;