Comments (2)
kearwood
commented on May 29, 2024
If we are to activate the global ambient estimation via a feature policy flag, that could suffice to be an indication to the UA that the XRSession is subscribing to light estimation updates. If we are later supporting local light estimation, the subscription for each probe would be instantiated after XRSession creation.
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kearwood
commented on May 29, 2024
Perhaps we could proceed by describing this module as "Global Lighting Estimation" and, if there is enough interest, later define a "Local Lighting Estimation" module which builds on this with a subscription-based request for lighting localized around a hit test location.
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Related Issues (20)
- Describe the components of Float32Arrays that represent light with red, green, and blue components
- Consider un-bounding the number of coefficients for XRLightProbe.sphericalHarmonicsCoefficients. HOT 2
- Update readme to point to explainer and add "unstable" notice.
- Consider forcing use of session feature flag to enable this API HOT 4
- Need to formally define the integration of irradiance in XRLightProbe's sphericalHarmonicsCoefficients and its relationship with the discrete samples accessed by XRReflectionProbe
- Describe temporal filtering required to avoid fingerprinting HOT 1
- Promises should not be returned by a function called on XRFrame
- createWebGLEnvironmentCube needs to know which GL context to create the texture on
- Consider removing `XRLightProbe.sphericalHarmonicsOrientation` and `XRReflectionProbe.orientation` HOT 1
- Consider exposing the XRReflectionProbe off the XRSession object HOT 3
- Describe method of quantization to reduce fingerprinting
- Determine internal format of the Reflection Cube Map HOT 4
- Restrict usage to one tab at a time?
- Update affiliation of 'Kearwood Gilbert'? HOT 1
- Broken references in WebXR Lighting Estimation API Level 1
- Reference to microphone permissions is confusing
- Consider renaming "Image Based Lighting" section to "Cube Map Textures"
- Describe simple renderers that could use HDR cubemap textures and SH lighting
- Consider adding ability to generate a low resolution HDR cube map from SH
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