<?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>58258</bug_id>
          
          <creation_ts>2011-04-11 13:00:39 -0700</creation_ts>
          <short_desc>[Chromium] after a non-accelerated call, accelerated canvas-to-canvas draws are incorrect</short_desc>
          <delta_ts>2011-04-13 11:26:57 -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>Canvas</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>PC</rep_platform>
          <op_sys>All</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="Stephen White">senorblanco</reporter>
          <assigned_to name="Stephen White">senorblanco</assigned_to>
          <cc>jamesr</cc>
    
    <cc>kbr</cc>
    
    <cc>mdelaney7</cc>
    
    <cc>mixxster</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>383403</commentid>
    <comment_count>0</comment_count>
    <who name="Stephen White">senorblanco</who>
    <bug_when>2011-04-11 13:00:39 -0700</bug_when>
    <thetext>If a non-accelerated canvas2D call is made (e.g., strokeRect) followed by a call to drawImage() of that canvas to another canvas context, the results will be incorrect (the stroke is not shown).

This can be seen on sites such as http://canvasrider.com/tracks/695376, although there doesn&apos;t seem to be a layout test that covers it.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>383409</commentid>
    <comment_count>1</comment_count>
      <attachid>89061</attachid>
    <who name="Stephen White">senorblanco</who>
    <bug_when>2011-04-11 13:06:09 -0700</bug_when>
    <thetext>Created attachment 89061
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>383445</commentid>
    <comment_count>2</comment_count>
      <attachid>89061</attachid>
    <who name="James Robinson">jamesr</who>
    <bug_when>2011-04-11 13:39:07 -0700</bug_when>
    <thetext>Comment on attachment 89061
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=89061&amp;action=review

Aha!

&gt; LayoutTests/fast/canvas/canvas-to-canvas.html:1
&gt; +&lt;!DOCTYPE HTML PUBLIC &quot;-//IETF//DTD HTML//EN&quot;&gt;

just &lt;!DOCTYPE html&gt; should suffice</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>385038</commentid>
    <comment_count>3</comment_count>
    <who name="Stephen White">senorblanco</who>
    <bug_when>2011-04-13 11:26:57 -0700</bug_when>
    <thetext>Landed as http://trac.webkit.org/changeset/83582.</thetext>
  </long_desc>
      
          <attachment
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              isprivate="0"
          >
            <attachid>89061</attachid>
            <date>2011-04-11 13:06:09 -0700</date>
            <delta_ts>2011-04-11 13:39:07 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-58258-20110411160607.patch</filename>
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<flag name="review"
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          type_id="1"
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    </bug>

</bugzilla>