@babylonjs/core/Materials/Textures/baseTexture.polynomial.d.ts

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import type { Nullable } from "../../types.js";
import type { SphericalPolynomial } from "../../Maths/sphericalPolynomial.js";
declare module "./baseTexture.js" {
    interface BaseTexture {
        /**
         * Get the polynomial representation of the texture data.
         * This is mainly use as a fast way to recover IBL Diffuse irradiance data.
         * @see https://learnopengl.com/PBR/IBL/Diffuse-irradiance
         */
        sphericalPolynomial: Nullable<SphericalPolynomial>;
        /**
         * Force recomputation of spherical polynomials.
         * Can be useful if you generate a cubemap multiple times (from a probe for eg) and you need the proper polynomials each time
         */
        forceSphericalPolynomialsRecompute(): void;
    }
}