/**
 * @import { GraphicsDevice } from '../../platform/graphics/graphics-device.js'
 * @import { MaterialProperty } from './material-property.js'
 * @import { MaterialTextureDescriptor } from './standard-material-textures.js'
 */
/**
 * The layout shared by all materials with the same typed properties and textures: the format of
 * the uniform buffer, and the format of the bind group holding that buffer and those textures.
 * Layouts are created per device and cached by their key.
 *
 * @ignore
 */
export class MaterialUniformBufferLayout {
    /**
     * @param {GraphicsDevice} device - The graphics device.
     * @param {string} key - The layout key.
     * @param {MaterialProperty[]} properties - The properties, in layout order.
     * @param {MaterialTextureDescriptor[]} textures - The textures, in layout order.
     */
    constructor(device: GraphicsDevice, key: string, properties: MaterialProperty[], textures: MaterialTextureDescriptor[]);
    /**
     * The key of the layout, see {@link getMaterialLayoutKey}.
     *
     * @type {string}
     */
    key: string;
    /**
     * The format of the material uniform buffer.
     *
     * @type {UniformBufferFormat}
     */
    uniformBufferFormat: UniformBufferFormat;
    /**
     * The textures of the bind group, in the order of its texture slots.
     *
     * @type {MaterialTextureDescriptor[]}
     */
    textures: MaterialTextureDescriptor[];
    /**
     * The format of the bind group containing the material uniform buffer and its textures.
     *
     * @type {BindGroupFormat}
     */
    bindGroupFormat: BindGroupFormat;
    destroy(): void;
}
/**
 * Returns the key identifying the layout of a set of typed properties and textures. The key does
 * not depend on the order of the properties, and does depend on the order of the textures, which
 * is the order of their slots.
 *
 * @param {MaterialProperty[]} properties - The properties.
 * @param {MaterialTextureDescriptor[]} [textures] - The textures.
 * @returns {string} The layout key.
 * @ignore
 */
export function getMaterialLayoutKey(properties: MaterialProperty[], textures?: MaterialTextureDescriptor[]): string;
/**
 * Gets the uniform buffer layout for a set of typed properties on a device, creating it on first
 * use. Materials with the same properties share one layout, whatever the order of the
 * properties.
 *
 * @param {GraphicsDevice} device - The graphics device.
 * @param {MaterialProperty[]} properties - The properties.
 * @param {MaterialTextureDescriptor[]} [textures] - The textures.
 * @returns {MaterialUniformBufferLayout} The layout.
 * @ignore
 */
export function getMaterialLayout(device: GraphicsDevice, properties: MaterialProperty[], textures?: MaterialTextureDescriptor[]): MaterialUniformBufferLayout;
import { UniformBufferFormat } from '../../platform/graphics/uniform-buffer-format.js';
import type { MaterialTextureDescriptor } from './standard-material-textures.js';
import { BindGroupFormat } from '../../platform/graphics/bind-group-format.js';
import type { GraphicsDevice } from '../../platform/graphics/graphics-device.js';
import type { MaterialProperty } from './material-property.js';