import type { Scene } from '@certe/atmos-core';
import type { Mat4Type } from '@certe/atmos-math';
export declare class DirectionalShadowPass {
    private readonly _device;
    private readonly _pipeline;
    private readonly _lightVPBuffer;
    private readonly _lightVPBindGroup;
    private readonly _depthTexture;
    private readonly _sampler;
    readonly shadowMapView: GPUTextureView;
    readonly resolution: number;
    get lightVPBuffer(): GPUBuffer;
    get shadowSampler(): GPUSampler;
    constructor(device: GPUDevice, objectBindGroupLayout: GPUBindGroupLayout, resolution?: number);
    execute(encoder: GPUCommandEncoder, scene: Scene, lightVP: Mat4Type, extraDraw?: (pass: GPURenderPassEncoder) => void): void;
    destroy(): void;
}
/**
 * Wraps a pair of DirectionalShadowPass (cascade 0 near + cascade 1 far)
 * for a single directional light shadow slot.
 */
export declare class DirectionalShadowPassPair {
    private readonly _cascade0;
    private readonly _cascade1;
    constructor(device: GPUDevice, objectBGL: GPUBindGroupLayout, resolution: number);
    get cascade0View(): GPUTextureView;
    get cascade1View(): GPUTextureView;
    execute(encoder: GPUCommandEncoder, scene: Scene, vp0: Mat4Type, vp1: Mat4Type, extraDraw?: (pass: GPURenderPassEncoder) => void): void;
    destroy(): void;
}
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