@babylonjs/core/XR/features/WebXRRawCameraAccess.d.ts

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import type { WebXRSessionManager } from "../webXRSessionManager.js";
import { WebXRAbstractFeature } from "./WebXRAbstractFeature.js";
import { Observable } from "../../Misc/observable.js";
import { BaseTexture } from "../../Materials/Textures/baseTexture.js";
/**
 * Options for raw camera access
 */
export interface IWebXRRawCameraAccessOptions {
    /**
     * Keep the created textures and metadata when detaching the feature.
     */
    doNotDisposeOnDetach?: boolean;
}
/**
 * WebXR Feature for WebXR raw camera access
 * @since 6.31.0
 * @see https://immersive-web.github.io/raw-camera-access/
 */
export declare class WebXRRawCameraAccess extends WebXRAbstractFeature {
    readonly options: IWebXRRawCameraAccessOptions;
    private _cachedInternalTextures;
    /**
     * This is an array of camera views
     * Note that mostly the array will contain a single view
     * If you want to know the order of the views, use the `viewIndex` array
     */
    texturesData: BaseTexture[];
    /**
     * If needed, this array will contain the eye definition of each texture in `texturesArray`
     */
    viewIndex: string[];
    /**
     * If needed, this array will contain the camera's intrinsics
     * You can use this data to convert from camera space to screen space and vice versa
     */
    cameraIntrinsics: {
        u0: number;
        v0: number;
        ax: number;
        ay: number;
        gamma: number;
        width: number;
        height: number;
        viewportX: number;
        viewportY: number;
    }[];
    /**
     * An observable that will notify when the camera's textures are updated
     */
    onTexturesUpdatedObservable: Observable<BaseTexture[]>;
    private _glBinding?;
    private _glContext;
    /**
     * The module's name
     */
    static readonly Name = "xr-raw-camera-access";
    /**
     * The (Babylon) version of this module.
     * This is an integer representing the implementation version.
     * This number does not correspond to the WebXR specs version
     */
    static readonly Version = 1;
    /**
     * Creates a new instance of the feature
     * @param _xrSessionManager the WebXRSessionManager
     * @param options options for the Feature
     */
    constructor(_xrSessionManager: WebXRSessionManager, options?: IWebXRRawCameraAccessOptions);
    attach(force?: boolean): boolean;
    detach(): boolean;
    /**
     * Dispose this feature and all of the resources attached
     */
    dispose(): void;
    /**
     * @see https://github.com/immersive-web/raw-camera-access/blob/main/explainer.md
     * @param view the XRView to update
     * @param index the index of the view in the views array
     */
    private _updateCameraIntrinsics;
    private _updateInternalTextures;
    protected _onXRFrame(_xrFrame: XRFrame): void;
}