<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!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>251176</bug_id>
          
          <creation_ts>2023-01-25 15:08:25 -0800</creation_ts>
          <short_desc>Fix negative shadow repaint issue</short_desc>
          <delta_ts>2023-05-10 08:00:04 -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>Layout and Rendering</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>
          <dependson>256537</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Ahmad Saleem">ahmad.saleem792</reporter>
          <assigned_to name="alan">zalan</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>changseok</cc>
    
    <cc>commit-queue</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>glenn</cc>
    
    <cc>kondapallykalyan</cc>
    
    <cc>pdr</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1928288</commentid>
    <comment_count>0</comment_count>
    <who name="Ahmad Saleem">ahmad.saleem792</who>
    <bug_when>2023-01-25 15:08:25 -0800</bug_when>
    <thetext>Hi Team,

While going through Blink&apos;s commit, which seems to a good fix since intermittently we have same painting issue, at least what I have experienced with this testcase:

Test Case - https://jsfiddle.net/dLxq1pm7/

^ Safari 16.2, STP162 some time does not show full &quot;red&quot; and have gap in it till some time passes or you resize.

Blink Commit - https://src.chromium.org/viewvc/blink?view=revision&amp;revision=164709

I just wanted to raise so we can fix this.

Thanks!</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1928301</commentid>
    <comment_count>1</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2023-01-25 15:23:36 -0800</bug_when>
    <thetext>Seems reasonable to merge.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1928304</commentid>
    <comment_count>2</comment_count>
    <who name="Ahmad Saleem">ahmad.saleem792</who>
    <bug_when>2023-01-25 15:25:25 -0800</bug_when>
    <thetext>(In reply to Simon Fraser (smfr) from comment #1)
&gt; Seems reasonable to merge.

Yep, was doing PR in the background but right now in Draft - https://github.com/WebKit/WebKit/pull/9157</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1928970</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2023-01-27 09:45:56 -0800</bug_when>
    <thetext>Committed 259497@main (b10e15662611): &lt;https://commits.webkit.org/259497@main&gt;

Reviewed commits have been landed. Closing PR #9157 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1928971</commentid>
    <comment_count>4</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2023-01-27 09:46:20 -0800</bug_when>
    <thetext>&lt;rdar://problem/104749948&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1953767</commentid>
    <comment_count>5</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2023-05-08 11:47:02 -0700</bug_when>
    <thetext>Re-opened since this is blocked by bug 256480</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1953872</commentid>
    <comment_count>6</comment_count>
    <who name="Ahmad Saleem">ahmad.saleem792</who>
    <bug_when>2023-05-08 15:53:49 -0700</bug_when>
    <thetext>Just for future, RenderObject.cpp change was moved to &quot;RenderBox.cpp&quot; in Blink and later this was overwritten by this:

https://src.chromium.org/viewvc/blink?view=revision&amp;revision=177971</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1954210</commentid>
    <comment_count>7</comment_count>
      <attachid>466301</attachid>
    <who name="alan">zalan</who>
    <bug_when>2023-05-09 17:57:16 -0700</bug_when>
    <thetext>Created attachment 466301
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1954229</commentid>
    <comment_count>8</comment_count>
      <attachid>466302</attachid>
    <who name="alan">zalan</who>
    <bug_when>2023-05-09 19:41:57 -0700</bug_when>
    <thetext>Created attachment 466302
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1954324</commentid>
    <comment_count>9</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2023-05-10 08:00:01 -0700</bug_when>
    <thetext>Committed 263899@main (b8d4023a9816): &lt;https://commits.webkit.org/263899@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 466302.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>466301</attachid>
            <date>2023-05-09 17:57:16 -0700</date>
            <delta_ts>2023-05-09 19:41:55 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-251176-20230509175715.patch</filename>
            <type>text/plain</type>
            <size>8900</size>
            <attacher name="alan">zalan</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>466302</attachid>
            <date>2023-05-09 19:41:57 -0700</date>
            <delta_ts>2023-05-10 08:00:03 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-251176-20230509194156.patch</filename>
            <type>text/plain</type>
            <size>8898</size>
            <attacher name="alan">zalan</attacher>
            
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</data>

          </attachment>
      

    </bug>

</bugzilla>