declare const _default: "\n#ifdef MAPTEXTURE\nuniform float material_bumpiness;\n#endif\n\nvoid getNormal() {\n#ifdef MAPTEXTURE\n    vec3 normalMap = unpackNormal(texture2DBias($SAMPLER, $UV, textureBias));\n    normalMap = mix(vec3(0.0, 0.0, 1.0), normalMap, material_bumpiness);\n    dNormalW = normalize(dTBN * addNormalDetail(normalMap));\n#else\n    dNormalW = dVertexNormalW;\n#endif\n}\n";
export default _default;