<?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>193116</bug_id>
          
          <creation_ts>2019-01-03 11:36:58 -0800</creation_ts>
          <short_desc>[ Mojave WK1 ] Layout Test fast/sub-pixel/simple-clipping.html and fast/sub-pixel/sub-pixel-composited-layers.html is flaky</short_desc>
          <delta_ts>2019-01-04 10:10:45 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Tools / Tests</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=193108</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Truitt Savell">tsavell</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>ap</cc>
    
    <cc>jlewis3</cc>
    
    <cc>lforschler</cc>
    
    <cc>ryanhaddad</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>thorton</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1491478</commentid>
    <comment_count>0</comment_count>
    <who name="Truitt Savell">tsavell</who>
    <bug_when>2019-01-03 11:36:58 -0800</bug_when>
    <thetext>The following layout test is flaky on Mojave WK1

fast/sub-pixel/simple-clipping.html
fast/sub-pixel/sub-pixel-composited-layers.html

Probable cause:

These two tests are failing images in tandem and are failing due to the resulting images being zoomed in on. relating this to https://bugs.webkit.org/show_bug.cgi?id=193112

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=fast%2Fsub-pixel%2Fsimple-clipping.html%20fast%2Fsub-pixel%2Fsub-pixel-composited-layers.html

Image Diffs:

https://build.webkit.org/results/Apple%20Mojave%20Release%20WK1%20(Tests)/r239596%20(1914)/fast/sub-pixel/simple-clipping-diffs.html
https://build.webkit.org/results/Apple%20Mojave%20Release%20WK1%20(Tests)/r239596%20(1914)/fast/sub-pixel/sub-pixel-composited-layers-diffs.html</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1491480</commentid>
    <comment_count>1</comment_count>
    <who name="Truitt Savell">tsavell</who>
    <bug_when>2019-01-03 11:38:15 -0800</bug_when>
    <thetext>I entered the wrong link. 

relating this to https://bugs.webkit.org/show_bug.cgi?id=193108</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>