import { ExtendedShaderPass, GBufferPlugin, GBufferUpdater, GBufferUpdaterContext, IMaterial, IMaterialUserData, IPassID, IPipelinePass, IWebGLRenderer, MaterialExtension, PipelinePassPlugin, ThreeViewer, UiObjectConfig, Vector4, WebGLRenderTarget } from 'threepipe';
declare const passId = "bloom";
type BloomPassId = typeof passId;
/**
 * Bloom Plugin
 *
 * Adds HDR Bloom post-processing effect to the scene
 * @category Plugins
 */
export declare class BloomPlugin extends PipelinePassPlugin<BloomPluginPass<BloomPassId>, BloomPassId> implements GBufferUpdater {
    static readonly PluginType = "Bloom";
    static readonly OldPluginType = "BloomPlugin";
    readonly passId = "bloom";
    readonly materialExtension: MaterialExtension;
    protected _createPass(): BloomPluginPass<"bloom">;
    constructor(enabled?: boolean);
    protected _pass?: BloomPluginPass<BloomPassId>;
    dependencies: (typeof GBufferPlugin)[];
    onAdded(viewer: ThreeViewer): void;
    private _onPluginAdd;
    onRemove(viewer: ThreeViewer): void;
    updateGBufferFlags(data: Vector4, c: GBufferUpdaterContext): void;
    uiConfig: UiObjectConfig;
    static AddBloomData(material: IMaterial, params?: IMaterialUserData['Bloom'], setDirty?: boolean): IMaterialUserData['Bloom'] | null;
    /**
     * This uiConfig is added to each material by extension
     * @param material
     * @private
     */
    private _getUiConfig;
}
export declare class BloomPluginPass<Tid extends IPassID> extends ExtendedShaderPass implements IPipelinePass<Tid> {
    uiConfig?: UiObjectConfig;
    before: string[];
    after: string[];
    required: string[];
    readonly passId: Tid;
    constructor(pid: Tid, maxIntensity?: number);
    prefilter: Vector4;
    threshold: number;
    softThreshold: number;
    intensity: number;
    backgroundBloom: boolean;
    bloomIterations: number;
    private _currentIterations;
    radius: number;
    power: number;
    private _thresholdsUpdated;
    bloomDebug: boolean;
    private _weights;
    render(renderer: IWebGLRenderer, writeBuffer?: WebGLRenderTarget | null, readBuffer?: WebGLRenderTarget, deltaTime?: number, maskActive?: boolean): void;
    private _updateWeights;
}
declare module 'threepipe' {
    interface IMaterialUserData {
        [BloomPlugin.PluginType]?: {
            enable?: boolean;
        };
    }
}
export {};
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