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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>37018</bug_id>
          
          <creation_ts>2010-04-02 01:12:39 -0700</creation_ts>
          <short_desc>4 WebGL tests fail on my Mac Pro</short_desc>
          <delta_ts>2014-01-09 20:36:44 -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>Tools / Tests</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>PC</rep_platform>
          <op_sys>OS X 10.5</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WORKSFORME</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P1</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Eric Seidel (no email)">eric</reporter>
          <assigned_to name="Zhenyao Mo">zmo</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>cmarrin</cc>
    
    <cc>enne</cc>
    
    <cc>eric</cc>
    
    <cc>kbr</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>zmo</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>207789</commentid>
    <comment_count>0</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-02 01:12:39 -0700</bug_when>
    <thetext>fast/canvas/webgl/context-attributes-alpha-depth-stencil-antialias.html
fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html
fast/canvas/webgl/viewport-unchanged-upon-resize.html

These seem to pass fine on the commit-queue bot and the Leopard build bot, however on my desktop these fail.  I&apos;m happy to provide you with any hardware profiles you may need.

I&apos;ll attach diffs in a sec.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>207790</commentid>
    <comment_count>1</comment_count>
      <attachid>52401</attachid>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-02 01:13:55 -0700</bug_when>
    <thetext>Created attachment 52401
fast/canvas/webgl/context-attributes-alpha-depth-stencil-antialias-diffs.txt</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>207791</commentid>
    <comment_count>2</comment_count>
      <attachid>52402</attachid>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-02 01:14:33 -0700</bug_when>
    <thetext>Created attachment 52402
fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data-diffs.txt</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>207792</commentid>
    <comment_count>3</comment_count>
      <attachid>52403</attachid>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-02 01:15:04 -0700</bug_when>
    <thetext>Created attachment 52403
fast/canvas/webgl/viewport-unchanged-upon-resize-diffs.txt</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>207854</commentid>
    <comment_count>4</comment_count>
    <who name="Zhenyao Mo">zmo</who>
    <bug_when>2010-04-02 07:59:21 -0700</bug_when>
    <thetext>Eric, what graphics card do you have on your mac?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>209094</commentid>
    <comment_count>5</comment_count>
    <who name="Zhenyao Mo">zmo</who>
    <bug_when>2010-04-06 10:21:00 -0700</bug_when>
    <thetext>Eric, could you provide your OS and Graphics Card information?  Also, do those failure happen consistently or randomly?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>210024</commentid>
    <comment_count>6</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-07 23:38:43 -0700</bug_when>
    <thetext>These failures happen every time.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>210027</commentid>
    <comment_count>7</comment_count>
      <attachid>52838</attachid>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-07 23:42:25 -0700</bug_when>
    <thetext>Created attachment 52838
abbreviated system profiler report</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>210283</commentid>
    <comment_count>8</comment_count>
    <who name="Zhenyao Mo">zmo</who>
    <bug_when>2010-04-08 11:10:50 -0700</bug_when>
    <thetext>The cause of the problem might be delay issue for glReadPixels.  Let&apos;s see if the readPixels patch might fix this problem (we flush before reading).

https://bugs.webkit.org/show_bug.cgi?id=34718</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>212430</commentid>
    <comment_count>9</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-14 10:54:21 -0700</bug_when>
    <thetext>It&apos;s actually four tests as of a few days ago.  I ran the tests again just now and all 4 still fail:
  fast/canvas/webgl/context-attributes-alpha-depth-stencil-antialias.html = TEXT
  fast/canvas/webgl/copy-tex-image-and-sub-image-2d.html = TEXT
  fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html = TEXT
  fast/canvas/webgl/viewport-unchanged-upon-resize.html = TEXT</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>212437</commentid>
    <comment_count>10</comment_count>
    <who name="Zhenyao Mo">zmo</who>
    <bug_when>2010-04-14 11:04:40 -0700</bug_when>
    <thetext>So I guess it&apos;s not due to glReadPixels().</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>212456</commentid>
    <comment_count>11</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-04-14 11:27:13 -0700</bug_when>
    <thetext>Running the same tests in Chrome 5.0375.6, fails only
fast/canvas/webgl/context-attributes-alpha-depth-stencil-antialias.html
and only one subtest:

 Testing depth = true
PASS webGL = getWebGL(&apos;depthOn&apos;, { stencil: false, antialias: false }, [ 0, 0, 0, 1 ], 1, 0) is non-null.
PASS contextAttribs = webGL.getContextAttributes() is non-null.
PASS contextAttribs.depth is true
PASS contextAttribs.alpha is true
PASS contextAttribs.stencil is false
PASS contextAttribs.antialias is false
PASS contextAttribs.premultipliedAlpha is true
FAIL pixel should be 0,0,0,255. Was 0,0,0,0.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>224710</commentid>
    <comment_count>12</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2010-05-12 10:20:03 -0700</bug_when>
    <thetext>The number is up to 5 now:
fast/canvas/webgl/context-attributes-alpha-depth-stencil-antialias.htm
fast/canvas/webgl/copy-tex-image-and-sub-image-2d.html
fast/canvas/webgl/point-size.html	expected
fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html
fast/canvas/webgl/viewport-unchanged-upon-resize.htm</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>224738</commentid>
    <comment_count>13</comment_count>
    <who name="Kenneth Russell">kbr</who>
    <bug_when>2010-05-12 11:17:33 -0700</bug_when>
    <thetext>This issue is holding up the WebKit commit queue. See https://bugs.webkit.org/show_bug.cgi?id=38912 .</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>966190</commentid>
    <comment_count>14</comment_count>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2014-01-09 20:36:44 -0800</bug_when>
    <thetext>These tests now pass.</thetext>
  </long_desc>
      
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            <date>2010-04-02 01:13:55 -0700</date>
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            <attachid>52838</attachid>
            <date>2010-04-07 23:42:25 -0700</date>
            <delta_ts>2010-04-07 23:42:25 -0700</delta_ts>
            <desc>abbreviated system profiler report</desc>
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    </bug>

</bugzilla>