declare const _default: "\nvec4 encodeLinear(vec3 source) {\n    return vec4(source, 1.0);\n}\n\nvec4 encodeGamma(vec3 source) {\n    return vec4(pow(source + 0.0000001, vec3(1.0 / 2.2)), 1.0);\n}\n\nvec4 encodeRGBM(vec3 source) { // modified RGBM\n    vec4 result;\n    result.rgb = pow(source.rgb, vec3(0.5));\n    result.rgb *= 1.0 / 8.0;\n\n    result.a = saturate( max( max( result.r, result.g ), max( result.b, 1.0 / 255.0 ) ) );\n    result.a = ceil(result.a * 255.0) / 255.0;\n\n    result.rgb /= result.a;\n    return result;\n}\n\nvec4 encodeRGBP(vec3 source) {\n    // convert incoming linear to gamma(ish)\n    vec3 gamma = pow(source, vec3(0.5));\n\n    // calculate the maximum component clamped to 1..8\n    float maxVal = min(8.0, max(1.0, max(gamma.x, max(gamma.y, gamma.z))));\n\n    // calculate storage factor\n    float v = 1.0 - ((maxVal - 1.0) / 7.0);\n\n    // round the value for storage in 8bit channel\n    v = ceil(v * 255.0) / 255.0;\n\n    return vec4(gamma / (-v * 7.0 + 8.0), v);    \n}\n\nvec4 encodeRGBE(vec3 source) {\n    float maxVal = max(source.x, max(source.y, source.z));\n    if (maxVal < 1e-32) {\n        return vec4(0, 0, 0, 0);\n    } else {\n        float e = ceil(log2(maxVal));\n        return vec4(source / pow(2.0, e), (e + 128.0) / 255.0);\n    }\n}\n";
export default _default;