declare const _default: "\n// Packing a float in GLSL with multiplication and mod\n// http://blog.gradientstudios.com/2012/08/23/shadow-map-improvement\nvec4 packFloat(float depth) {\n    const vec4 bit_shift = vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0);\n    const vec4 bit_mask  = vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);\n\n    // combination of mod and multiplication and division works better\n    vec4 res = mod(depth * bit_shift * vec4(255), vec4(256) ) / vec4(255);\n    res -= res.xxyz * bit_mask;\n    return res;\n}\n";
export default _default;