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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>124453</bug_id>
          
          <creation_ts>2013-11-16 02:42:43 -0800</creation_ts>
          <short_desc>[Win] Optimization, no need to erase background before paint.</short_desc>
          <delta_ts>2013-11-18 10:43:52 -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>WebKit Misc.</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>PC</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>peavo</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>commit-queue</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>951355</commentid>
    <comment_count>0</comment_count>
    <who name="">peavo</who>
    <bug_when>2013-11-16 02:42:43 -0800</bug_when>
    <thetext>As the paint will blit a bitmap onto the invalid area (no alpha), there is no need to erase the background first, as this will be overwritten by the blit.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>951356</commentid>
    <comment_count>1</comment_count>
      <attachid>217124</attachid>
    <who name="">peavo</who>
    <bug_when>2013-11-16 02:46:13 -0800</bug_when>
    <thetext>Created attachment 217124
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>951653</commentid>
    <comment_count>2</comment_count>
      <attachid>217124</attachid>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2013-11-18 10:18:56 -0800</bug_when>
    <thetext>Comment on attachment 217124
Patch

r=me. Keep a watch on test bots in case there&apos;s some edge case we missed.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>951687</commentid>
    <comment_count>3</comment_count>
      <attachid>217124</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2013-11-18 10:43:50 -0800</bug_when>
    <thetext>Comment on attachment 217124
Patch

Clearing flags on attachment: 217124

Committed r159436: &lt;http://trac.webkit.org/changeset/159436&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>951688</commentid>
    <comment_count>4</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2013-11-18 10:43:52 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
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              isprivate="0"
          >
            <attachid>217124</attachid>
            <date>2013-11-16 02:46:13 -0800</date>
            <delta_ts>2013-11-18 10:43:50 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-124453-20131116114426.patch</filename>
            <type>text/plain</type>
            <size>1593</size>
            <attacher>peavo</attacher>
            
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