import { Box3, Material, Object3D, WebGLRenderer } from 'three';
import { type FilterMaterialOptions } from '../materials/Materials.js';
import { NodeRenderView } from '../tree/NodeRenderView.js';
import { MeshBatch } from './MeshBatch.js';
import { InstancedMeshBatch } from './InstancedMeshBatch.js';
import TextBatch from './TextBatch.js';
export declare enum GeometryType {
    MESH = 0,
    LINE = 1,
    POINT = 2,
    POINT_CLOUD = 3,
    TEXT = 4
}
export interface DrawGroup {
    start: number;
    count: number;
    materialIndex: number;
}
/** TO DO: Unify point and mesh batch implementations */
export interface Batch {
    id: string;
    subtreeId: string;
    renderViews: NodeRenderView[];
    batchMaterial: Material;
    renderObject: Object3D;
    geometryType: GeometryType;
    get bounds(): Box3;
    get drawCalls(): number;
    get minDrawCalls(): number;
    get materials(): Material[];
    get groups(): DrawGroup[];
    get triCount(): number;
    get pointCount(): number;
    get lineCount(): number;
    get vertCount(): number;
    getCount(): number;
    setBatchMaterial(material: Material): void;
    setBatchBuffers(range: BatchUpdateRange[]): void;
    setVisibleRange(range: BatchUpdateRange[]): void;
    getVisibleRange(): BatchUpdateRange;
    setDrawRanges(ranges: BatchUpdateRange[]): void;
    resetDrawRanges(): void;
    buildBatch(): Promise<void>;
    getRenderView(index: number): NodeRenderView | null;
    getMaterialAtIndex(index: number): Material | null;
    getMaterial(rv: NodeRenderView): Material | null;
    getOpaque(): BatchUpdateRange;
    getTransparent(): BatchUpdateRange;
    getStencil(): BatchUpdateRange;
    getDepth(): BatchUpdateRange;
    onUpdate(deltaTime?: number): void;
    onRender?(renderer: WebGLRenderer): void;
    purge(): void;
}
export interface BatchUpdateRange {
    offset: number;
    count: number;
    material?: Material;
    materialOptions?: FilterMaterialOptions;
}
export declare const NoneBatchUpdateRange: BatchUpdateRange;
export declare const AllBatchUpdateRange: BatchUpdateRange;
export declare const INSTANCE_TRANSFORM_BUFFER_STRIDE = 16;
export declare const INSTANCE_GRADIENT_BUFFER_STRIDE = 1;
export declare const getNextBatchIndex: () => number;
export type AcceleratedBatchTypes = MeshBatch | InstancedMeshBatch | TextBatch;
export declare function isAcceleratedBatchType(batch: Batch): batch is AcceleratedBatchTypes;
export declare function isNoneBatchUpdateRange(range: BatchUpdateRange): boolean;
export declare function isAllBatchUpdateRange(range: BatchUpdateRange, totalCount?: number): boolean;