declare const _default: "\n    #if SH_BANDS == 1\n        const SH_COEFFS: i32 = 3;\n    #elif SH_BANDS == 2\n        const SH_COEFFS: i32 = 8;\n    #elif SH_BANDS == 3\n        const SH_COEFFS: i32 = 15;\n    #else\n        const SH_COEFFS: i32 = 0;\n    #endif\n\n    #if SH_BANDS > 0\n\n    const SH_C1: f32 = 0.4886025119029199;\n\n    #if SH_BANDS > 1\n        const SH_C2_0: f32 = 1.0925484305920792;\n        const SH_C2_1: f32 = -1.0925484305920792;\n        const SH_C2_2: f32 = 0.31539156525252005;\n        const SH_C2_3: f32 = -1.0925484305920792;\n        const SH_C2_4: f32 = 0.5462742152960396;\n    #endif\n\n    #if SH_BANDS > 2\n        const SH_C3_0: f32 = -0.5900435899266435;\n        const SH_C3_1: f32 = 2.890611442640554;\n        const SH_C3_2: f32 = -0.4570457994644658;\n        const SH_C3_3: f32 = 0.3731763325901154;\n        const SH_C3_4: f32 = -0.4570457994644658;\n        const SH_C3_5: f32 = 1.445305721320277;\n        const SH_C3_6: f32 = -0.5900435899266435;\n    #endif\n\n    // see https://github.com/graphdeco-inria/gaussian-splatting/blob/main/utils/sh_utils.py\n    fn evalSH(sh: ptr<function, array<vec3f, SH_COEFFS>>, dir: vec3f) -> vec3f {\n        let x = dir.x;\n        let y = dir.y;\n        let z = dir.z;\n\n        // 1st degree\n        var result = SH_C1 * (-sh[0] * y + sh[1] * z - sh[2] * x);\n\n        #if SH_BANDS > 1\n            // 2nd degree\n            let xx = x * x;\n            let yy = y * y;\n            let zz = z * z;\n            let xy = x * y;\n            let yz = y * z;\n            let xz = x * z;\n\n            result = result + (\n                sh[3] * (SH_C2_0 * xy) +\n                sh[4] * (SH_C2_1 * yz) +\n                sh[5] * (SH_C2_2 * (2.0 * zz - xx - yy)) +\n                sh[6] * (SH_C2_3 * xz) +\n                sh[7] * (SH_C2_4 * (xx - yy))\n            );\n        #endif\n\n        #if SH_BANDS > 2\n            // 3rd degree\n            result = result + (\n                sh[8]  * (SH_C3_0 * y * (3.0 * xx - yy)) +\n                sh[9]  * (SH_C3_1 * xy * z) +\n                sh[10] * (SH_C3_2 * y * (4.0 * zz - xx - yy)) +\n                sh[11] * (SH_C3_3 * z * (2.0 * zz - 3.0 * xx - 3.0 * yy)) +\n                sh[12] * (SH_C3_4 * x * (4.0 * zz - xx - yy)) +\n                sh[13] * (SH_C3_5 * z * (xx - yy)) +\n                sh[14] * (SH_C3_6 * x * (xx - 3.0 * yy))\n            );\n        #endif\n\n        return result;\n    }\n    #endif\n";
export default _default;