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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>75912</bug_id>
          
          <creation_ts>2012-01-09 16:45:06 -0800</creation_ts>
          <short_desc>[chromium] Correctly recreate DrawingBuffer on lost device</short_desc>
          <delta_ts>2012-01-10 15:19:20 -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>WebGL</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>All</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="John Bauman">jbauman</reporter>
          <assigned_to name="John Bauman">jbauman</assigned_to>
          <cc>kbr</cc>
    
    <cc>twiz</cc>
    
    <cc>webkit.review.bot</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>532653</commentid>
    <comment_count>0</comment_count>
    <who name="John Bauman">jbauman</who>
    <bug_when>2012-01-09 16:45:06 -0800</bug_when>
    <thetext>[chromium] Correctly recreate DrawingBuffer on lost device</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>532657</commentid>
    <comment_count>1</comment_count>
      <attachid>121760</attachid>
    <who name="John Bauman">jbauman</who>
    <bug_when>2012-01-09 16:50:10 -0800</bug_when>
    <thetext>Created attachment 121760
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>532660</commentid>
    <comment_count>2</comment_count>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-01-09 16:52:44 -0800</bug_when>
    <thetext>Attachment 121760 did not pass style-queue:

Failed to run &quot;[&apos;Tools/Scripts/check-webkit-style&apos;, &apos;--diff-files&apos;, u&apos;Source/WebCore/ChangeLog&apos;, u&apos;Source/WebCor...&quot; exit_code: 1

Source/WebCore/ChangeLog:8:  Line contains tab character.  [whitespace/tab] [5]
Source/WebCore/ChangeLog:9:  Line contains tab character.  [whitespace/tab] [5]
Total errors found: 2 in 2 files


If any of these errors are false positives, please file a bug against check-webkit-style.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>532663</commentid>
    <comment_count>3</comment_count>
      <attachid>121761</attachid>
    <who name="John Bauman">jbauman</who>
    <bug_when>2012-01-09 16:56:31 -0800</bug_when>
    <thetext>Created attachment 121761
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>533095</commentid>
    <comment_count>4</comment_count>
      <attachid>121761</attachid>
    <who name="Jeff Timanus">twiz</who>
    <bug_when>2012-01-10 08:33:52 -0800</bug_when>
    <thetext>Comment on attachment 121761
Patch

Thanks for catching this, John.
LGTM.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>533168</commentid>
    <comment_count>5</comment_count>
      <attachid>121761</attachid>
    <who name="Kenneth Russell">kbr</who>
    <bug_when>2012-01-10 10:21:47 -0800</bug_when>
    <thetext>Comment on attachment 121761
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=121761&amp;action=review

&gt; Source/WebCore/ChangeLog:11
&gt; +        No new tests.

Have you tried to use LayoutTestController.loseCompositorContext() (see LayoutTests/platform/chromium/compositing/) or the WEBGL_lose_context extension (see LayoutTests/fast/canvas/webgl/) to force execution of this code path?

In general we should add a test each time an issue like this is discovered to prevent future regressions. However, if the above primitives don&apos;t allow testing of this code path then I won&apos;t hold it up.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>533369</commentid>
    <comment_count>6</comment_count>
      <attachid>121761</attachid>
    <who name="Kenneth Russell">kbr</who>
    <bug_when>2012-01-10 14:13:13 -0800</bug_when>
    <thetext>Comment on attachment 121761
Patch

After offline discussion it seems like the WEBGL_lose_context extension would need to lose the context at a deeper level in order to test this code path. Given that, r+&apos;ing as is to get this fix in now.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>533409</commentid>
    <comment_count>7</comment_count>
      <attachid>121761</attachid>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-01-10 15:19:16 -0800</bug_when>
    <thetext>Comment on attachment 121761
Patch

Clearing flags on attachment: 121761

Committed r104636: &lt;http://trac.webkit.org/changeset/104636&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>533410</commentid>
    <comment_count>8</comment_count>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-01-10 15:19:20 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
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            <date>2012-01-09 16:50:10 -0800</date>
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