import type { Bounds } from 'vega-scenegraph';
import type { GPUVegaCanvasContext, GPUVegaScene } from '../types/context.js';
import type { SceneItem, SceneRectExt } from '../types/scene.js';
import { BufferManager } from '../util/bufferManager.js';
import { type OutlinePipelines, type Ramp } from './util.js';
/** What a rect, or a group's background, draws with. */
export interface RectResources {
    device: GPUDevice;
    /** Labels the pipelines and the bind groups made from them. */
    name: string;
    bufferManager: BufferManager;
    /** The box, one pipeline per blend mode. */
    pipelineFor: (blend: string) => GPURenderPipeline;
    gradientPipelineFor: (blend: string) => GPURenderPipeline;
    geometryBuffer: GPUBuffer;
    /** Pipelines for an outline drawn through the segment shader. */
    outline: OutlinePipelines;
}
export declare function rectResources(ctx: GPUVegaCanvasContext, device: GPUDevice, vb: Bounds, name: string): RectResources;
/**
 * Draws boxes in the order they are painted: fills in runs, and a ramp fill or
 * a border drawn as segments on its own.
 */
export declare class BoxPainter {
    private readonly res;
    private readonly fill;
    private readonly outline;
    private readonly run;
    constructor(ctx: GPUVegaCanvasContext, device: GPUDevice, res: RectResources);
    /** A box's fill, and its stroke when the analytic one draws it. */
    paint(box: SceneRectExt, fillRamp: Ramp | null, blend: string): void;
    /** A border drawn as segments, over everything painted before it. */
    border(data: Float32Array, ramp: Ramp | null, blend: string): void;
    flush(): void;
    private enqueue;
}
declare function draw(device: GPUDevice, ctx: GPUVegaCanvasContext, scene: GPUVegaScene, vb: Bounds): void;
export declare function rectAttributes(items: SceneItem[], whiteGradientFill?: boolean): Float32Array;
declare const _default: {
    draw: typeof draw;
};
export default _default;