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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>224364</bug_id>
          
          <creation_ts>2021-04-09 04:31:46 -0700</creation_ts>
          <short_desc>Change WebXRSpace::efectiveOrigin() matrix multiplication order</short_desc>
          <delta_ts>2021-06-07 10:00:38 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebXR</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          <blocked>208988</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Imanol Fernandez">ifernandez</reporter>
          <assigned_to name="Imanol Fernandez">ifernandez</assigned_to>
          <cc>svillar</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1748686</commentid>
    <comment_count>0</comment_count>
    <who name="Imanol Fernandez">ifernandez</who>
    <bug_when>2021-04-09 04:31:46 -0700</bug_when>
    <thetext>The current multiplication order is not working correctly when combining local-floor space and getOfffsetReferenceSpace(). The reference space is out of sync with input ray pose after some teleportations (tested using https://github.com/immersive-web/webxr-samples/blob/main/teleportation.html).

There is a WPT test to reproduce this but we can&apos;t enable it yet until we fetch it from upstream (https://github.com/web-platform-tests/wpt/pull/28024), currently blocked by WebGL 2 support in WPE.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1748693</commentid>
    <comment_count>1</comment_count>
      <attachid>425608</attachid>
    <who name="Imanol Fernandez">ifernandez</who>
    <bug_when>2021-04-09 04:46:07 -0700</bug_when>
    <thetext>Created attachment 425608
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1748724</commentid>
    <comment_count>2</comment_count>
      <attachid>425608</attachid>
    <who name="Sergio Villar Senin">svillar</who>
    <bug_when>2021-04-09 07:55:28 -0700</bug_when>
    <thetext>Comment on attachment 425608
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=425608&amp;action=review

&gt; Source/WebCore/ChangeLog:8
&gt; +        The current multiplication order is not working correctly when combining local-floor space and getOfffsetReferenceSpace().

Nit: Offfset -&gt; Offset

&gt; Source/WebCore/ChangeLog:12
&gt; +        currently blocked by WebGL 2 support in WPE.

WebGL2 shouldn&apos;t be a blocker for the testing of this kind of stuff. Why don&apos;t we just add a new small test to WPT to check this?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1751020</commentid>
    <comment_count>3</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-04-16 04:32:14 -0700</bug_when>
    <thetext>&lt;rdar://problem/76754680&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1767419</commentid>
    <comment_count>4</comment_count>
      <attachid>430737</attachid>
    <who name="Imanol Fernandez">ifernandez</who>
    <bug_when>2021-06-07 05:41:41 -0700</bug_when>
    <thetext>Created attachment 430737
Patch

Rebase onto main</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1767424</commentid>
    <comment_count>5</comment_count>
      <attachid>430739</attachid>
    <who name="Imanol Fernandez">ifernandez</who>
    <bug_when>2021-06-07 06:11:49 -0700</bug_when>
    <thetext>Created attachment 430739
Patch

Add missing rdar item to the changelog</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1767437</commentid>
    <comment_count>6</comment_count>
      <attachid>430739</attachid>
    <who name="Sergio Villar Senin">svillar</who>
    <bug_when>2021-06-07 07:00:10 -0700</bug_when>
    <thetext>Comment on attachment 430739
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=430739&amp;action=review

&gt; Source/WebCore/ChangeLog:10
&gt; +        The reference space is out of sync with input ray pose after some teleportations (https://github.com/immersive-web/webxr-samples/blob/main/teleportation.html).

Nit: move the URL to the next line.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1767447</commentid>
    <comment_count>7</comment_count>
      <attachid>430747</attachid>
    <who name="Imanol Fernandez">ifernandez</who>
    <bug_when>2021-06-07 08:23:33 -0700</bug_when>
    <thetext>Created attachment 430747
Patch

Fix nit in the changelog</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1767448</commentid>
    <comment_count>8</comment_count>
      <attachid>430748</attachid>
    <who name="Imanol Fernandez">ifernandez</who>
    <bug_when>2021-06-07 08:26:28 -0700</bug_when>
    <thetext>Created attachment 430748
Patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1767485</commentid>
    <comment_count>9</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-06-07 10:00:38 -0700</bug_when>
    <thetext>Committed r278563 (238561@main): &lt;https://commits.webkit.org/238561@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 430748.</thetext>
  </long_desc>
      
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