import type { BBox } from 'gis-tools/index.js';
import type { PointData } from 'workers/worker.spec.js';
import type { TileGPU as Tile } from 'source/tile.spec.js';
import type { WebGPUContext } from '../context/index.js';
import type { LayerDefinitionBase, PointDefinition, PointStyle, PointWorkflowLayerGuideGPU } from 'style/style.spec.js';
import type { PointFeature as PointFeatureSpec, PointSource, PointWorkflow as PointWorkflowSpec } from './workflow.spec.js';
/** Point Feature is a standalone point render storage unit that can be drawn to the GPU */
export declare class PointFeature implements PointFeatureSpec {
    #private;
    workflow: PointWorkflow;
    source: PointSource;
    layerGuide: PointWorkflowLayerGuideGPU;
    tile: Tile;
    count: number;
    offset: number;
    featureCode: number[];
    pointBoundsBuffer: GPUBuffer;
    pointInteractiveBuffer: GPUBuffer;
    featureCodeBuffer: GPUBuffer;
    parent?: Tile | undefined;
    type: "point";
    bindGroup: GPUBindGroup;
    pointBindGroup: GPUBindGroup;
    pointInteractiveBindGroup: GPUBindGroup;
    /**
     * @param workflow - the point workflow
     * @param source - the point source
     * @param layerGuide - layer guide for this feature
     * @param tile - the tile this feature is drawn on
     * @param count - the number of points
     * @param offset - the offset of the points
     * @param featureCode - the encoded feature code
     * @param pointBoundsBuffer - the bounds of the points
     * @param pointInteractiveBuffer - the interactive buffer
     * @param featureCodeBuffer - the encoded feature code that tells the GPU how to compute it's properties
     * @param parent - the parent tile if applicable
     */
    constructor(workflow: PointWorkflow, source: PointSource, layerGuide: PointWorkflowLayerGuideGPU, tile: Tile, count: number, offset: number, featureCode: number[], pointBoundsBuffer: GPUBuffer, pointInteractiveBuffer: GPUBuffer, featureCodeBuffer: GPUBuffer, parent?: Tile | undefined);
    /** Draw the feature to the GPU */
    draw(): void;
    /** Compute the feature's interactivity with the mouse */
    compute(): void;
    /** Destroy and cleanup the feature */
    destroy(): void;
    /**
     * Duplicate this feature
     * @param tile - the tile this feature is drawn on
     * @param parent - the parent tile if applicable
     * @param bounds - the bounds of the tile if applicable
     * @returns the duplicated feature
     */
    duplicate(tile: Tile, parent?: Tile, bounds?: BBox): PointFeature;
}
/** Point Workflow */
export default class PointWorkflow implements PointWorkflowSpec {
    #private;
    context: WebGPUContext;
    layerGuides: Map<number, PointWorkflowLayerGuideGPU>;
    pipeline: GPURenderPipeline;
    interactivePipeline: GPUComputePipeline;
    pointInteractiveBindGroupLayout: GPUBindGroupLayout;
    pointBindGroupLayout: GPUBindGroupLayout;
    module: GPUShaderModule;
    /** @param context - The WebGPU context */
    constructor(context: WebGPUContext);
    /** Setup the workflow */
    setup(): Promise<void>;
    /** Destroy and cleanup the workflow */
    destroy(): void;
    /**
     * Build the layer definition for this workflow
     * @param layerBase - the common layer attributes
     * @param layer - the user defined layer attributes
     * @returns a built layer definition that's ready to describe how to render a feature
     */
    buildLayerDefinition(layerBase: LayerDefinitionBase, layer: PointStyle): PointDefinition;
    /**
     * Build the source point data into point features
     * @param pointData - the input point data
     * @param tile - the tile we are building the features for
     */
    buildSource(pointData: PointData, tile: Tile): void;
    /**
     * Draw a point feature to the GPU
     * @param feature - point feature guide
     */
    draw(feature: PointFeatureSpec): void;
    /**
     * Compute the interactive features that interact with the mouse
     * @param feature - point feature guide
     */
    computeInteractive(feature: PointFeatureSpec): void;
}