import { type Nullable } from "../types.js";
import { Scene } from "../scene.js";
import { type ISceneComponent } from "../sceneComponent.js";
import { GeometryBufferRenderer, type IGeometryBufferTextureTypeAndFormat } from "./geometryBufferRenderer.js";
declare module "../scene.js" {
    interface Scene {
        /** @internal (Backing field) */
        _geometryBufferRenderer: Nullable<GeometryBufferRenderer>;
        /**
         * Gets or Sets the current geometry buffer associated to the scene.
         */
        geometryBufferRenderer: Nullable<GeometryBufferRenderer>;
        /**
         * Enables a GeometryBufferRender and associates it with the scene
         * @param ratioOrDimensions defines the scaling ratio to apply to the renderer (1 by default which means same resolution). You can also directly pass a width and height for the generated textures
         * @param depthFormat Format of the depth texture (default: Constants.TEXTUREFORMAT_DEPTH16)
         * @param textureTypesAndFormats The types, formats and optional sampling modes of textures to create as render targets.
         * If not provided, all textures will be RGBA and float or half float, depending on the engine capabilities.
         * @returns the GeometryBufferRenderer
         */
        enableGeometryBufferRenderer(ratioOrDimensions?: number | {
            width: number;
            height: number;
        }, depthFormat?: number, textureTypesAndFormats?: {
            [key: number]: IGeometryBufferTextureTypeAndFormat;
        }): Nullable<GeometryBufferRenderer>;
        /**
         * Disables the GeometryBufferRender associated with the scene
         */
        disableGeometryBufferRenderer(): void;
    }
}
/**
 * Defines the Geometry Buffer scene component responsible to manage a G-Buffer useful
 * in several rendering techniques.
 */
export declare class GeometryBufferRendererSceneComponent implements ISceneComponent {
    /**
     * The component name helpful to identify the component in the list of scene components.
     */
    readonly name = "GeometryBufferRenderer";
    /**
     * The scene the component belongs to.
     */
    scene: Scene;
    /**
     * Creates a new instance of the component for the given scene
     * @param scene Defines the scene to register the component in
     */
    constructor(scene: Scene);
    /**
     * Registers the component in a given scene
     */
    register(): void;
    /**
     * Rebuilds the elements related to this component in case of
     * context lost for instance.
     */
    rebuild(): void;
    /**
     * Disposes the component and the associated resources
     */
    dispose(): void;
    private _gatherRenderTargets;
}