import { Node } from './node';
export interface DepthOptions {
    perspective?: boolean;
    logarithmic?: boolean;
}
export declare const depthToViewZ: (depth: Node<"float">, near: Node<"float">, far: Node<"float">, { perspective, logarithmic }?: DepthOptions) => Node<"float">;
export declare const logarithmicToPerspectiveDepth: (depth: Node<"float">, near: Node<"float">, far: Node<"float">) => Node<"float">;
export declare const perspectiveToLogarithmicDepth: (depth: Node<"float">, near: Node<"float">, far: Node<"float">) => Node<"float">;
export declare const screenToPositionView: (uv: Node<"vec2">, depth: Node<"float">, viewZ: Node<"float">, projectionMatrix: Node<"mat4">, inverseProjectionMatrix: Node<"mat4">) => Node<"vec3">;
export declare const turbo: (x: Node<"float">) => Node<"vec3">;
export declare const depthToColor: (depth: Node<"float">, near: Node<"float">, far: Node<"float">, options?: DepthOptions) => Node<"vec3">;
export declare const equirectToDirectionWorld: (uv: Node<"vec2">) => Node<"vec3">;