WebIDLpedia

Definition

WebXR Device API defines XRSession

[SecureContext, Exposed=Window] interface XRSession : EventTarget {
  // Attributes
  readonly attribute XRVisibilityState visibilityState;
  readonly attribute float? frameRate;
  readonly attribute Float32Array? supportedFrameRates;
  [SameObject] readonly attribute XRRenderState renderState;
  [SameObject] readonly attribute XRInputSourceArray inputSources;
  [SameObject] readonly attribute XRInputSourceArray trackedSources;
  readonly attribute FrozenArray<DOMString> enabledFeatures;
  readonly attribute boolean isSystemKeyboardSupported;

  // Methods
  undefined updateRenderState(optional XRRenderStateInit state = {});
  Promise<undefined> updateTargetFrameRate(float rate);
  [NewObject] Promise<XRReferenceSpace> requestReferenceSpace(XRReferenceSpaceType type);

  unsigned long requestAnimationFrame(XRFrameRequestCallback callback);
  undefined cancelAnimationFrame(unsigned long handle);

  Promise<undefined> end();

  // Events
  attribute EventHandler onend;
  attribute EventHandler oninputsourceschange;
  attribute EventHandler onselect;
  attribute EventHandler onselectstart;
  attribute EventHandler onselectend;
  attribute EventHandler onsqueeze;
  attribute EventHandler onsqueezestart;
  attribute EventHandler onsqueezeend;
  attribute EventHandler onvisibilitychange;
  attribute EventHandler onframeratechange;
};

This interface is extended in the following specifications:

• WebXR Anchors Module

  
  
  partial interface XRSession {
    readonly attribute FrozenArray<DOMString> persistentAnchors;
  
    Promise<XRAnchor> restorePersistentAnchor(DOMString uuid);
    Promise<undefined> deletePersistentAnchor(DOMString uuid);
  };

• WebXR Plane Detection Module

  
  
  partial interface XRSession {
    Promise<undefined> initiateRoomCapture();
  };

• WebXR Augmented Reality Module - Level 1

  
  
  partial interface XRSession {
    // Attributes
    readonly attribute XREnvironmentBlendMode environmentBlendMode;
  };
  
  partial interface XRSession {
    // Attributes
    readonly attribute XRInteractionMode interactionMode;
  };

• WebXR Depth Sensing Module

  
  
  partial interface XRSession {
    readonly attribute XRDepthUsage depthUsage;
    readonly attribute XRDepthDataFormat depthDataFormat;
  };

• WebXR DOM Overlays Module

  
  
  partial interface XRSession {
    readonly attribute XRDOMOverlayState? domOverlayState;
  };

• WebXR Hit Test Module

  
  
  partial interface XRSession {
    Promise<XRHitTestSource> requestHitTestSource(XRHitTestOptionsInit options);
    Promise<XRTransientInputHitTestSource> requestHitTestSourceForTransientInput(XRTransientInputHitTestOptionsInit options);
  };

• WebXR Lighting Estimation API Level 1

  
  
  partial interface XRSession {
    Promise<XRLightProbe> requestLightProbe(optional XRLightProbeInit options = {});
    readonly attribute XRReflectionFormat preferredReflectionFormat;
  };

[SecureContext, Exposed=Window] interface XRSession : EventTarget {
  // Attributes
  readonly attribute XRVisibilityState visibilityState;
  readonly attribute float? frameRate;
  readonly attribute Float32Array? supportedFrameRates;
  [SameObject] readonly attribute XRRenderState renderState;
  [SameObject] readonly attribute XRInputSourceArray inputSources;
  [SameObject] readonly attribute XRInputSourceArray trackedSources;
  readonly attribute FrozenArray<DOMString> enabledFeatures;
  readonly attribute boolean isSystemKeyboardSupported;

  // Methods
  undefined updateRenderState(optional XRRenderStateInit state = {});
  Promise<undefined> updateTargetFrameRate(float rate);
  [NewObject] Promise<XRReferenceSpace> requestReferenceSpace(XRReferenceSpaceType type);

  unsigned long requestAnimationFrame(XRFrameRequestCallback callback);
  undefined cancelAnimationFrame(unsigned long handle);

  Promise<undefined> end();

  // Events
  attribute EventHandler onend;
  attribute EventHandler oninputsourceschange;
  attribute EventHandler onselect;
  attribute EventHandler onselectstart;
  attribute EventHandler onselectend;
  attribute EventHandler onsqueeze;
  attribute EventHandler onsqueezestart;
  attribute EventHandler onsqueezeend;
  attribute EventHandler onvisibilitychange;
  attribute EventHandler onframeratechange;
  readonly attribute FrozenArray<DOMString> persistentAnchors;

  Promise<XRAnchor> restorePersistentAnchor(DOMString uuid);
  Promise<undefined> deletePersistentAnchor(DOMString uuid);
  Promise<undefined> initiateRoomCapture();
  // Attributes
  readonly attribute XREnvironmentBlendMode environmentBlendMode;
  // Attributes
  readonly attribute XRInteractionMode interactionMode;
  readonly attribute XRDepthUsage depthUsage;
  readonly attribute XRDepthDataFormat depthDataFormat;
  readonly attribute XRDOMOverlayState? domOverlayState;
  Promise<XRHitTestSource> requestHitTestSource(XRHitTestOptionsInit options);
  Promise<XRTransientInputHitTestSource> requestHitTestSourceForTransientInput(XRTransientInputHitTestOptionsInit options);
  Promise<XRLightProbe> requestLightProbe(optional XRLightProbeInit options = {});
  readonly attribute XRReflectionFormat preferredReflectionFormat;
};

Methods and attributes that return objects implementing XRSession

• XRSystem.requestSession()
• XRFrame.session
• XRSessionEvent.session
• XRInputSourcesChangeEvent.session

Referring IDL interfaces/dictionaries

• XRFrame
• XRInputSourcesChangeEvent
• XRInputSourcesChangeEventInit
• XRMediaBinding
• XRSessionEvent
• XRSessionEventInit
• XRSystem
• XRWebGLBinding
• XRWebGLLayer

Referring specifications

• WebXR Anchors Module refers to XRSession
• WebXR Plane Detection Module refers to XRSession
• WebXR Augmented Reality Module - Level 1 refers to XRSession
• WebXR Depth Sensing Module refers to XRSession
• WebXR DOM Overlays Module refers to XRSession
• WebXR Hit Test Module refers to XRSession
• WebXR Lighting Estimation API Level 1 refers to XRSession
• WebXR Layers API Level 1 refers to XRSession