/** * Returns a typed array constructor based on the given buffer type * @param {number} type Buffer type, either ARRAY_BUFFER or ELEMENT_ARRAY_BUFFER. * @return {Float32ArrayConstructor|Uint32ArrayConstructor} The typed array class to use for this buffer. */ export function getArrayClassForType(type: number): Float32ArrayConstructor | Uint32ArrayConstructor; /** * Used to describe the intended usage for the data: `STATIC_DRAW`, `STREAM_DRAW` * or `DYNAMIC_DRAW`. */ export type BufferUsage = number; export namespace BufferUsage { export { STATIC_DRAW }; export { STREAM_DRAW }; export { DYNAMIC_DRAW }; } export default WebGLArrayBuffer; import { STATIC_DRAW } from '../webgl.js'; import { STREAM_DRAW } from '../webgl.js'; import { DYNAMIC_DRAW } from '../webgl.js'; /** * @classdesc * Object used to store an array of data as well as usage information for that data. * Stores typed arrays internally, either Float32Array or Uint16/32Array depending on * the buffer type (ARRAY_BUFFER or ELEMENT_ARRAY_BUFFER) and available extensions. * * To populate the array, you can either use: * * A size using `#ofSize(buffer)` * * An `ArrayBuffer` object using `#fromArrayBuffer(buffer)` * * A plain array using `#fromArray(array)` * * Note: * See the documentation of [WebGLRenderingContext.bufferData](https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/bufferData) * for more info on buffer usage. * @api */ declare class WebGLArrayBuffer { /** * @param {number} type Buffer type, either ARRAY_BUFFER or ELEMENT_ARRAY_BUFFER. * @param {number} [usage] Intended usage, either `STATIC_DRAW`, `STREAM_DRAW` or `DYNAMIC_DRAW`. * Default is `DYNAMIC_DRAW`. */ constructor(type: number, usage?: number | undefined); /** * @private * @type {Float32Array|Uint32Array} */ private array; /** * @private * @type {number} */ private type; /** * @private * @type {number} */ private usage; /** * Populates the buffer with an array of the given size (all values will be zeroes). * @param {number} size Array size * @return {WebGLArrayBuffer} This */ ofSize(size: number): WebGLArrayBuffer; /** * Populates the buffer with an array of the given size. * @param {Array} array Numerical array * @return {WebGLArrayBuffer} This */ fromArray(array: Array): WebGLArrayBuffer; /** * Populates the buffer with a raw binary array buffer. * @param {ArrayBuffer} buffer Raw binary buffer to populate the array with. Note that this buffer must have been * initialized for the same typed array class. * @return {WebGLArrayBuffer} This */ fromArrayBuffer(buffer: ArrayBuffer): WebGLArrayBuffer; /** * @return {number} Buffer type. */ getType(): number; /** * Will return null if the buffer was not initialized * @return {Float32Array|Uint32Array} Array. */ getArray(): Float32Array | Uint32Array; /** * @return {number} Usage. */ getUsage(): number; /** * Will return 0 if the buffer is not initialized * @return {number} Array size */ getSize(): number; } //# sourceMappingURL=Buffer.d.ts.map