import { type ShaderName, type ShaderParams } from "./registry.js";
import type { ResolvedUniforms } from "./types.js";
/** `#rgb`, `#rrggbb` and `#rrggbbaa` all parse. Values stay in sRGB. */
export declare function parseColor(hex: string): [number, number, number, number];
export declare function formatColor(rgba: readonly number[]): string;
/** Every control at its registry default, as a plain params object. */
export declare function defaultParams<K extends ShaderName>(name: K): Required<ShaderParams<K>>;
/**
 * Maps a shader's named controls onto the shared uniform block. Unknown keys
 * are ignored rather than thrown on, so a config written for one shader
 * degrades gracefully when pointed at another.
 */
export declare function resolveUniforms<K extends ShaderName>(name: K, params: ShaderParams<K> | undefined, frame: {
    resolution: [number, number];
    pointer: [number, number];
    time: number;
    quality?: number;
}): ResolvedUniforms;
/**
 * Serialises the params that differ from the registry defaults into a compact
 * query string, so a tuned shader is a shareable URL.
 */
export declare function encodeParams<K extends ShaderName>(name: K, params: ShaderParams<K>): string;
export declare function decodeParams<K extends ShaderName>(name: K, search: string): ShaderParams<K>;
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