<?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>138234</bug_id>
          
          <creation_ts>2014-10-30 15:30:06 -0700</creation_ts>
          <short_desc>Short-circuit repaints with empty rects</short_desc>
          <delta_ts>2014-10-30 16:26:15 -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>New Bugs</component>
          <version>528+ (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></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Simon Fraser (smfr)">simon.fraser</reporter>
          <assigned_to name="Simon Fraser (smfr)">simon.fraser</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>glenn</cc>
    
    <cc>kondapallykalyan</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1045154</commentid>
    <comment_count>0</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2014-10-30 15:30:06 -0700</bug_when>
    <thetext>Short-circuit repaints with empty rects</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1045155</commentid>
    <comment_count>1</comment_count>
      <attachid>240709</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2014-10-30 15:30:47 -0700</bug_when>
    <thetext>Created attachment 240709
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1045156</commentid>
    <comment_count>2</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2014-10-30 15:31:36 -0700</bug_when>
    <thetext>I was seeing quite a few empty rects when logging repaints on nytimes.com.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1045160</commentid>
    <comment_count>3</comment_count>
      <attachid>240709</attachid>
    <who name="alan">zalan</who>
    <bug_when>2014-10-30 15:39:44 -0700</bug_when>
    <thetext>Comment on attachment 240709
Patch

Who is issuing empty repaints?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1045171</commentid>
    <comment_count>4</comment_count>
      <attachid>240709</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2014-10-30 16:26:12 -0700</bug_when>
    <thetext>Comment on attachment 240709
Patch

Clearing flags on attachment: 240709

Committed r175395: &lt;http://trac.webkit.org/changeset/175395&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1045172</commentid>
    <comment_count>5</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2014-10-30 16:26:15 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>240709</attachid>
            <date>2014-10-30 15:30:47 -0700</date>
            <delta_ts>2014-10-30 16:26:12 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-138234-20141030153056.patch</filename>
            <type>text/plain</type>
            <size>1435</size>
            <attacher name="Simon Fraser (smfr)">simon.fraser</attacher>
            
              <data encoding="base64">U3VidmVyc2lvbiBSZXZpc2lvbjogMTc1MzU2CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D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</data>

          </attachment>
      

    </bug>

</bugzilla>