@babylonjs/core
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Getting started? Play directly with the Babylon.js API using our [playground](https://playground.babylonjs.com/). It also contains a lot of samples to learn how to use it.
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TypeScript
import { type IFileRequest } from "../Misc/fileRequest.js";
import { type LoadFileError } from "../Misc/fileTools.js";
import { type IWebRequest } from "../Misc/interfaces/iWebRequest.js";
import { type WebRequest } from "../Misc/webRequest.js";
import { type IOfflineProvider } from "../Offline/IOfflineProvider.js";
import { type Nullable } from "../types.js";
/**
* @deprecated Use direct imports from fileTools.pure instead.
* Kept for backwards compatibility — will be removed in a future version.
* @internal
*/
export declare const EngineFunctionContext: {
loadFile?: (url: string, onSuccess: (data: string | ArrayBuffer, responseURL?: string) => void, onProgress?: (ev: ProgressEvent) => void, offlineProvider?: Nullable<IOfflineProvider>, useArrayBuffer?: boolean, onError?: (request?: WebRequest, exception?: LoadFileError) => void) => IFileRequest;
};
/**
* @internal
*/
export declare function _ConcatenateShader(source: string, defines: Nullable<string>, shaderVersion?: string): string;
/**
* @internal
*/
export declare function _LoadFile(url: string, onSuccess: (data: string | ArrayBuffer, responseURL?: string) => void, onProgress?: (data: any) => void, offlineProvider?: Nullable<IOfflineProvider>, useArrayBuffer?: boolean, onError?: (request?: IWebRequest, exception?: any) => void, injectedLoadFile?: (url: string, onSuccess: (data: string | ArrayBuffer, responseURL?: string) => void, onProgress?: (ev: ProgressEvent<EventTarget>) => void, offlineProvider?: Nullable<IOfflineProvider>, useArrayBuffer?: boolean, onError?: (request?: WebRequest, exception?: LoadFileError) => void) => IFileRequest): IFileRequest;
/**
* Gets host document
* @param renderingCanvas if provided, the canvas' owner document will be returned
* @returns the host document object
*/
export declare function getHostDocument(renderingCanvas?: Nullable<HTMLCanvasElement>): Nullable<Document>;
/** @internal */
export declare function _GetGlobalDefines(defines?: {
[key: string]: string;
}, isNDCHalfZRange?: boolean, useReverseDepthBuffer?: boolean, useExactSrgbConversions?: boolean): string | undefined;
/**
* Allocate a typed array depending on a texture type. Optionally can copy existing data in the buffer.
* @param type type of the texture
* @param sizeOrDstBuffer size of the array OR an existing buffer that will be used as the destination of the copy (if copyBuffer is provided)
* @param sizeInBytes true if the size of the array is given in bytes, false if it is the number of elements of the array
* @param copyBuffer if provided, buffer to copy into the destination buffer (either a newly allocated buffer if sizeOrDstBuffer is a number or use sizeOrDstBuffer as the destination buffer otherwise)
* @returns the allocated buffer or sizeOrDstBuffer if the latter is an ArrayBuffer
*/
export declare function allocateAndCopyTypedBuffer(type: number, sizeOrDstBuffer: number | ArrayBufferLike, sizeInBytes?: boolean, copyBuffer?: ArrayBuffer): ArrayBufferView;