/**
 * Copyright (c) 2019-2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 * @author Áron Samuel Kovács <aron.kovacs@mail.muni.cz>
 * @author Ludovic Autin <ludovic.autin@gmail.com>
 * @author Gianluca Tomasello <giagitom@gmail.com>
 */
import { WebGLContext } from '../../mol-gl/webgl/context.js';
import { Texture } from '../../mol-gl/webgl/texture.js';
import { ParamDefinition as PD } from '../../mol-util/param-definition.js';
import { ICamera } from '../../mol-canvas3d/camera.js';
import { Scene } from '../../mol-gl/scene.js';
import { PostprocessingProps } from './postprocessing.js';
export declare const SsaoParams: {
    samples: PD.Numeric;
    multiScale: PD.Mapped<PD.NamedParams<PD.Normalize<unknown>, "off"> | PD.NamedParams<PD.Normalize<{
        levels: PD.Normalize<{
            radius: number;
            bias: number;
        }>[];
        nearThreshold: number;
        farThreshold: number;
    }>, "on">>;
    radius: PD.Numeric;
    bias: PD.Numeric;
    blurKernelSize: PD.Numeric;
    blurDepthBias: PD.Numeric;
    resolutionScale: PD.Numeric;
    color: PD.Color;
    transparentThreshold: PD.Numeric;
};
export type SsaoProps = PD.Values<typeof SsaoParams>;
export declare class SsaoPass {
    private readonly webgl;
    static isEnabled(props: PostprocessingProps): boolean;
    static isTransparentEnabled(scene: Scene, props: SsaoProps): boolean;
    private readonly framebuffer;
    private readonly blurFirstPassFramebuffer;
    private readonly blurSecondPassFramebuffer;
    private readonly downsampledDepthTargetOpaque;
    private readonly downsampleDepthRenderableOpaque;
    private readonly depthHalfTargetOpaque;
    private readonly depthHalfRenderableOpaque;
    private readonly depthQuarterTargetOpaque;
    private readonly depthQuarterRenderableOpaque;
    private readonly downsampledDepthTargetTransparent;
    private readonly downsampleDepthRenderableTransparent;
    private readonly depthHalfTargetTransparent;
    private readonly depthHalfRenderableTransparent;
    private readonly depthQuarterTargetTransparent;
    private readonly depthQuarterRenderableTransparent;
    readonly ssaoDepthTexture: Texture;
    readonly ssaoDepthTransparentTexture: Texture;
    private readonly depthBlurProxyTexture;
    private depthTextureOpaque;
    private depthTextureTransparent;
    private readonly renderable;
    private readonly blurFirstPassRenderable;
    private readonly blurSecondPassRenderable;
    private nSamples;
    private blurKernelSize;
    private texSize;
    private invProjection;
    private ssaoScale;
    private calcSsaoScale;
    private levelsCameraScale;
    private levels;
    private getDepthTexture;
    private getTransparentDepthTexture;
    constructor(webgl: WebGLContext, width: number, height: number, packedDepth: boolean, depthTextureOpaque: Texture, depthTextureTransparent: Texture);
    getByteCount(): number;
    setSize(width: number, height: number): void;
    reset(): void;
    update(camera: ICamera, scene: Scene, props: SsaoProps, illuminationMode?: boolean): void;
    render(camera: ICamera): void;
}