import type { FillData } from 'workers/worker.spec.js';
import type { TileGPU as Tile } from 'source/tile.spec.js';
import type { WebGPUContext } from '../context/index.js';
import type { FillDefinition, FillStyle, FillWorkflowLayerGuideGPU, LayerDefinitionBase } from 'style/style.spec.js';
import type { FillFeature as FillFeatureSpec, FillSource, FillWorkflow as FillWorkflowSpec, MaskSource, TileMaskSource } from './workflow.spec.js';
/** Fill Feature is a standalone fill render storage unit that can be drawn to the GPU */
export declare class FillFeature implements FillFeatureSpec {
    #private;
    workflow: FillWorkflowSpec;
    layerGuide: FillWorkflowLayerGuideGPU;
    maskLayer: boolean;
    source: FillSource | MaskSource;
    count: number;
    offset: number;
    tile: Tile;
    featureCodeBuffer: GPUBuffer;
    fillTexturePositions: GPUBuffer;
    fillInteractiveBuffer?: GPUBuffer | undefined;
    featureCode: number[];
    parent?: Tile | undefined;
    type: "fill";
    bindGroup: GPUBindGroup;
    fillPatternBindGroup: GPUBindGroup;
    fillInteractiveBindGroup?: GPUBindGroup | undefined;
    /**
     * @param workflow - the fill workflow
     * @param layerGuide - the layer guide for this feature
     * @param maskLayer - whether or not the layer is a mask type or not
     * @param source - the fill or mask source
     * @param count - the number of points
     * @param offset - the offset of the points
     * @param tile - the tile that the feature is drawn on
     * @param featureCodeBuffer - the encoded feature code that tells the GPU how to compute it's properties
     * @param fillTexturePositions - the fill texture positions
     * @param fillInteractiveBuffer - if interactive, this buffer helps the GPU compute interactivity
     * @param featureCode - the encoded feature code that tells the GPU how to compute it's properties
     * @param parent - the parent tile if applicable
     */
    constructor(workflow: FillWorkflowSpec, layerGuide: FillWorkflowLayerGuideGPU, maskLayer: boolean, source: FillSource | MaskSource, count: number, offset: number, tile: Tile, featureCodeBuffer: GPUBuffer, fillTexturePositions: GPUBuffer, fillInteractiveBuffer?: GPUBuffer | undefined, featureCode?: number[], parent?: Tile | undefined);
    /** Draw the feature */
    draw(): void;
    /** Compute the feature's interactivity with the mouse */
    compute(): void;
    /** Update the shared texture's bind groups */
    updateSharedTexture(): void;
    /** Destroy and cleanup the feature */
    destroy(): void;
    /**
     * Duplicate this point
     * @param tile - the tile that is being duplicated
     * @param parent - the parent tile if applicable
     * @returns the duplicated feature
     */
    duplicate(tile: Tile, parent?: Tile): FillFeature;
}
/** Fill Workflow */
export default class FillWorkflow implements FillWorkflowSpec {
    #private;
    context: WebGPUContext;
    layerGuides: Map<number, FillWorkflowLayerGuideGPU>;
    interactivePipeline: GPUComputePipeline;
    maskPipeline: GPURenderPipeline;
    fillPipeline: GPURenderPipeline;
    maskFillPipeline: GPURenderPipeline;
    invertPipeline: GPURenderPipeline;
    fillInteractiveBindGroupLayout: GPUBindGroupLayout;
    /** @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: FillStyle): FillDefinition;
    /**
     * given a set of layerIndexes that use Masks and the tile of interest
     * @param definition - layer definition that uses masks
     * @param tile - the tile that needs a mask
     */
    buildMaskFeature(definition: FillDefinition, tile: Tile): void;
    /**
     * Build the source fill data into fill features
     * @param fillData - the input fill data
     * @param tile - the tile we are building the features for
     */
    buildSource(fillData: FillData, tile: Tile): void;
    /**
     * Draw a fill feature to the GPU
     * @param feature - fill feature guide
     */
    draw(feature: FillFeatureSpec): void;
    /**
     * Draw a mask to the GPU
     * @param mask - mask source
     * @param feature - fill feature guide
     */
    drawMask(mask: TileMaskSource, feature?: FillFeatureSpec): void;
    /**
     * Compute the interactive fill features in current view
     * @param feature - fill feature guide
     */
    computeInteractive(feature: FillFeatureSpec): void;
}