/**
 * @demo DEMO / SHOWCASE COMPONENT — graphics demo.
 *
 * LiquidGlassGPU showcases GPU-accelerated liquid-glass rendering. Metrics and
 * some capability detection are illustrative/simulated and it degrades to a
 * non-GPU fallback when WebGL is unavailable. Treat as a graphics showcase, not a
 * guaranteed-accelerated production renderer.
 */
import React from "react";
import { type LiquidGlassMaterial, type MaterialVariant } from "../../tokens/glass";
export declare class LiquidGlassGPUDriver {
    private gl;
    private program;
    private canvas;
    private uniforms;
    private attributes;
    private isInitialized;
    private animationFrameId;
    private backdropTexture;
    constructor();
    /**
     * Initialize WebGL context and shaders
     */
    initialize(canvas: HTMLCanvasElement): Promise<boolean>;
    /**
     * Render liquid glass effect with given parameters
     */
    render(params: {
        ior: number;
        thickness: number;
        sheen: number;
        tilt: {
            x: number;
            y: number;
        };
        enableRefraction: boolean;
        enableReflection: boolean;
        enableParallax: boolean;
        time: number;
    }): void;
    /**
     * Update backdrop texture from DOM element
     */
    updateBackdrop(element: HTMLElement): Promise<void>;
    /**
     * Clean up WebGL resources
     */
    dispose(): void;
    /**
     * Check if GPU acceleration is available
     */
    static isSupported(): boolean;
    private createShaderProgram;
    private compileShader;
    private setupUniformsAndAttributes;
    private setupGeometry;
    private updateUniforms;
    private captureElementBackdrop;
}
/**
 * React component wrapper for GPU-accelerated Liquid Glass
 */
export interface LiquidGlassGPUProps {
    material?: LiquidGlassMaterial;
    variant?: MaterialVariant;
    ior?: number;
    thickness?: number;
    sheen?: number;
    enableRefraction?: boolean;
    enableReflection?: boolean;
    enableParallax?: boolean;
    adaptToMotion?: boolean;
    className?: string;
    children?: React.ReactNode;
    onFallback?: () => void;
}
export declare const LiquidGlassGPURenderer: React.FC<LiquidGlassGPUProps>;
export declare const LiquidGlassGPU: React.FC<LiquidGlassGPUProps>;
export default LiquidGlassGPURenderer;
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