import Matrix3D from "awayjs-core/lib/geom/Matrix3D";
import Rectangle from "awayjs-core/lib/geom/Rectangle";
import IRenderer from "../../IRenderer";
import Scene from "../../display/Scene";
import Camera from "../../display/Camera";
import DirectionalShadowMapper from "../../materials/shadowmappers/DirectionalShadowMapper";
import Single2DTexture from "../../textures/Single2DTexture";
declare class CascadeShadowMapper extends DirectionalShadowMapper {
    _pScissorRects: Rectangle[];
    private _pScissorRectsInvalid;
    private _splitRatios;
    private _numCascades;
    private _depthCameras;
    private _depthLenses;
    private _texOffsetsX;
    private _texOffsetsY;
    private _nearPlaneDistances;
    constructor(numCascades?: number);
    getSplitRatio(index: number): number;
    setSplitRatio(index: number, value: number): void;
    getDepthProjections(partition: number): Matrix3D;
    private init();
    _pSetDepthMapSize(value: number): void;
    private invalidateScissorRects();
    numCascades: number;
    pDrawDepthMap(scene: Scene, target: Single2DTexture, renderer: IRenderer): void;
    private updateScissorRects();
    pUpdateDepthProjection(camera: Camera): void;
    private updateProjectionPartition(matrix, splitRatio, texOffsetX, texOffsetY);
    readonly _iNearPlaneDistances: Array<number>;
}
export default CascadeShadowMapper;