<?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>173704</bug_id>
          
          <creation_ts>2017-06-22 02:30:50 -0700</creation_ts>
          <short_desc>[iOS] Do not flatten frames when async frame scrolling is enabled</short_desc>
          <delta_ts>2018-02-23 06:09:52 -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>Frames</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>171914</dependson>
          <blocked>149264</blocked>
    
    <blocked>183081</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Frédéric Wang Nélar">fred.wang</reporter>
          <assigned_to name="Frédéric Wang Nélar">fred.wang</assigned_to>
          <cc>fred.wang</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1321808</commentid>
    <comment_count>0</comment_count>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2017-06-22 02:30:50 -0700</bug_when>
    <thetext>This will allow developers to test async frame scrolling without to explicitly disable frame flattening.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1321813</commentid>
    <comment_count>1</comment_count>
      <attachid>313604</attachid>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2017-06-22 02:45:56 -0700</bug_when>
    <thetext>Created attachment 313604
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1353047</commentid>
    <comment_count>2</comment_count>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2017-09-27 01:48:39 -0700</bug_when>
    <thetext>The patch is bit-rotten. It seems that the new iOS simulator exposes experimental features which make this more interesting now. Maybe we can just completely disable frame flattening instead of just enabling the heuristics?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1353058</commentid>
    <comment_count>3</comment_count>
      <attachid>321946</attachid>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2017-09-27 02:23:19 -0700</bug_when>
    <thetext>Created attachment 321946
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1358858</commentid>
    <comment_count>4</comment_count>
      <attachid>321946</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2017-10-10 13:04:52 -0700</bug_when>
    <thetext>Comment on attachment 321946
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=321946&amp;action=review

&gt; Source/WebCore/page/Settings.cpp:427
&gt; +FrameFlattening Settings::actualFrameFlattening()

This is a very confusing name. Maybe &quot;effectiveFrameFlattening&quot; would be slightly less confusing?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1359080</commentid>
    <comment_count>5</comment_count>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2017-10-11 00:49:33 -0700</bug_when>
    <thetext>(In reply to Simon Fraser (smfr) from comment #4)
&gt; This is a very confusing name. Maybe &quot;effectiveFrameFlattening&quot; would be
&gt; slightly less confusing?

OK, I&apos;ll change it.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1359081</commentid>
    <comment_count>6</comment_count>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2017-10-11 00:54:44 -0700</bug_when>
    <thetext>Committed r223169: &lt;http://trac.webkit.org/changeset/223169&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1359082</commentid>
    <comment_count>7</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2017-10-11 00:55:09 -0700</bug_when>
    <thetext>&lt;rdar://problem/34928725&gt;</thetext>
  </long_desc>
      
          <attachment
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            <attachid>313604</attachid>
            <date>2017-06-22 02:45:56 -0700</date>
            <delta_ts>2017-09-27 02:23:19 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>0001-Bug-173704-iOS-Enable-heuristics-to-unflatten-frames.patch</filename>
            <type>text/plain</type>
            <size>12679</size>
            <attacher name="Frédéric Wang Nélar">fred.wang</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>321946</attachid>
            <date>2017-09-27 02:23:19 -0700</date>
            <delta_ts>2017-10-10 13:04:52 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>0001-Bug-173704-iOS-Do-not-flatten-frames-when-async-fram.patch</filename>
            <type>text/plain</type>
            <size>12725</size>
            <attacher name="Frédéric Wang Nélar">fred.wang</attacher>
            
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</data>
<flag name="review"
          id="341896"
          type_id="1"
          status="+"
          setter="simon.fraser"
    />
          </attachment>
      

    </bug>

</bugzilla>