<?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>108523</bug_id>
          
          <creation_ts>2013-01-31 14:12:39 -0800</creation_ts>
          <short_desc>REGRESSION(r141333): fast/canvas/canvas-composite-alpha.html failing on Lion Release WK1 tests</short_desc>
          <delta_ts>2013-01-31 16:54:44 -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>Canvas</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Jessie Berlin">jberlin</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>simon.fraser</cc>
    
    <cc>thorton</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>821941</commentid>
    <comment_count>0</comment_count>
    <who name="Jessie Berlin">jberlin</who>
    <bug_when>2013-01-31 14:12:39 -0800</bug_when>
    <thetext>http://build.webkit.org/results/Apple%20Lion%20Release%20WK1%20(Tests)/r141330%20(8791)/results.html
http://build.webkit.org/results/Apple%20Lion%20Release%20WK1%20(Tests)/r141334%20(8792)/fast/canvas/canvas-composite-alpha-pretty-diff.html

http://trac.webkit.org/changeset/141333 appears the most likely culprit of those 4 revisions

I am not sure yet if there are other Apple ports affected by this.

--- /Volumes/Data/slave/lion-release-tests-wk1/build/layout-test-results/fast/canvas/canvas-composite-alpha-expected.txt
+++ /Volumes/Data/slave/lion-release-tests-wk1/build/layout-test-results/fast/canvas/canvas-composite-alpha-actual.txt
@@ -21,37 +21,57 @@
 PASS
 PASS
 source-in																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 255,0,0,255 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-in, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-in, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-in, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,64 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 255,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: source-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 128,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: source-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 126,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: source-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected composition! expected: 255,0,0,32 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: source-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected composition! expected: 255,127,0,8 actual: 0,0,0,0, composite type: source-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,96 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: source-in, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 255,0,255,96 actual: 0,0,0,0, composite type: source-in, source: 255,0,255,191, destination: 0,255,255,127
 source-out																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-out, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-out, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-out, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,64 actual: 255,0,0,127, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,128 actual: 255,0,0,255, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 0,0,0,0 actual: 255,0,0,127, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: source-out, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 127,0,0,128 actual: 127,0,0,255, composite type: source-out, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: source-out, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 0,0,0,0 actual: 126,0,0,127, composite type: source-out, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: source-out, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected composition! expected: 255,0,0,96 actual: 255,0,0,127, composite type: source-out, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: source-out, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected composition! expected: 255,132,0,25 actual: 255,128,0,32, composite type: source-out, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-out, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,96 actual: 255,0,0,191, composite type: source-out, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: source-out, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 255,0,255,96 actual: 255,0,255,191, composite type: source-out, source: 255,0,255,191, destination: 0,255,255,127
 source-atop																														
 PASS
 PASS
@@ -85,21 +105,31 @@
 PASS
 PASS
 destination-in																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,255 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-in, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-in, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-in, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 0,255,0,64 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 0,255,0,127 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,127 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: destination-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 0,126,0,127 actual: 0,0,0,0, composite type: destination-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: destination-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 0,128,0,127 actual: 0,0,0,0, composite type: destination-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: destination-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected composition! expected: 255,0,0,32 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: destination-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected composition! expected: 255,95,0,8 actual: 0,0,0,0, composite type: destination-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 0,255,0,96 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: destination-in, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 0,255,255,96 actual: 0,0,0,0, composite type: destination-in, source: 255,0,255,191, destination: 0,255,255,127
 destination-out																														
 PASS
 PASS
@@ -117,21 +147,29 @@
 PASS
 PASS
 destination-atop																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,255 actual: 255,0,0,255, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-atop, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-atop, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-atop, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 126,126,0,127 actual: 255,0,0,127, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 128,127,0,255 actual: 255,0,0,255, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,127 actual: 255,0,0,127, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: destination-atop, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 63,63,0,255 actual: 127,0,0,255, composite type: destination-atop, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: destination-atop, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 0,126,0,127 actual: 126,0,0,127, composite type: destination-atop, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: destination-atop, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: destination-atop, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-atop, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 126,126,0,191 actual: 255,0,0,191, composite type: destination-atop, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: destination-atop, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 126,126,255,191 actual: 255,0,255,191, composite type: destination-atop, source: 255,0,255,191, destination: 0,255,255,127
 lighter																														
 PASS
 PASS
@@ -201,37 +239,57 @@
 PASS
 PASS
 source-in																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 255,0,0,255 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-in, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-in, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-in, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,64 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 255,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: source-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 128,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: source-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 126,0,0,127 actual: 0,0,0,0, composite type: source-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: source-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected composition! expected: 255,0,0,32 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: source-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected composition! expected: 255,127,0,8 actual: 0,0,0,0, composite type: source-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,96 actual: 0,0,0,0, composite type: source-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: source-in, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 255,0,255,96 actual: 0,0,0,0, composite type: source-in, source: 255,0,255,191, destination: 0,255,255,127
 source-out																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-out, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: source-out, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-out, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,64 actual: 255,0,0,127, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,128 actual: 255,0,0,255, composite type: source-out, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 0,0,0,0 actual: 255,0,0,127, composite type: source-out, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: source-out, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 127,0,0,128 actual: 127,0,0,255, composite type: source-out, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: source-out, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 0,0,0,0 actual: 126,0,0,127, composite type: source-out, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: source-out, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected composition! expected: 255,0,0,96 actual: 255,0,0,127, composite type: source-out, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: source-out, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected composition! expected: 255,132,0,25 actual: 255,128,0,32, composite type: source-out, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: source-out, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 255,0,0,96 actual: 255,0,0,191, composite type: source-out, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: source-out, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 255,0,255,96 actual: 255,0,255,191, composite type: source-out, source: 255,0,255,191, destination: 0,255,255,127
 source-atop																														
 PASS
 PASS
@@ -265,21 +323,31 @@
 PASS
 PASS
 destination-in																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,255 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-in, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-in, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-in, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 0,255,0,64 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 0,255,0,127 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,127 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: destination-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 0,126,0,127 actual: 0,0,0,0, composite type: destination-in, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: destination-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 0,128,0,127 actual: 0,0,0,0, composite type: destination-in, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: destination-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected composition! expected: 255,0,0,32 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: destination-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected composition! expected: 255,95,0,8 actual: 0,0,0,0, composite type: destination-in, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 0,255,0,96 actual: 0,0,0,0, composite type: destination-in, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: destination-in, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 0,255,255,96 actual: 0,0,0,0, composite type: destination-in, source: 255,0,255,191, destination: 0,255,255,127
 destination-out																														
 PASS
 PASS
@@ -297,21 +365,29 @@
 PASS
 PASS
 destination-atop																														
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
-PASS
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,255 actual: 255,0,0,255, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,255
+PASS
+PASS
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-atop, source: 0,255,0,0, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,255, composite type: destination-atop, source: 0,255,0,1, destination: 255,0,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-atop, source: 255,0,0,0, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected composition! expected: 126,126,0,127 actual: 255,0,0,127, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected composition! expected: 128,127,0,255 actual: 255,0,0,255, composite type: destination-atop, source: 255,0,0,255, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,255, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected composition! expected: 0,255,0,127 actual: 255,0,0,127, composite type: destination-atop, source: 255,0,0,127, destination: 0,255,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 0,126,0,127, composite type: destination-atop, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected composition! expected: 63,63,0,255 actual: 127,0,0,255, composite type: destination-atop, source: 127,0,0,255, destination: 0,127,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,127,0,255, composite type: destination-atop, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected composition! expected: 0,126,0,127 actual: 126,0,0,127, composite type: destination-atop, source: 127,0,0,127, destination: 0,127,0,255
+Unexpected destination! expected: 0,0,0,0 actual: 255,0,0,63, composite type: destination-atop, source: 255,0,0,127, destination: 255,0,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 255,65,0,63, composite type: destination-atop, source: 255,127,0,32, destination: 255,63,0,63
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,0,127, composite type: destination-atop, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected composition! expected: 126,126,0,191 actual: 255,0,0,191, composite type: destination-atop, source: 255,0,0,191, destination: 0,255,0,127
+Unexpected destination! expected: 0,0,0,0 actual: 0,255,255,127, composite type: destination-atop, source: 255,0,255,191, destination: 0,255,255,127
+Unexpected composition! expected: 126,126,255,191 actual: 255,0,255,191, composite type: destination-atop, source: 255,0,255,191, destination: 0,255,255,127
 lighter																														
 PASS
 PASS</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>821942</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2013-01-31 14:13:04 -0800</bug_when>
    <thetext>&lt;rdar://problem/13127919&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>822084</commentid>
    <comment_count>2</comment_count>
    <who name="Tim Horton">thorton</who>
    <bug_when>2013-01-31 16:13:18 -0800</bug_when>
    <thetext>Yeah, this is my fault, though I don&apos;t know why (nor why only Lion).</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>822112</commentid>
    <comment_count>3</comment_count>
    <who name="Tim Horton">thorton</who>
    <bug_when>2013-01-31 16:43:44 -0800</bug_when>
    <thetext>(In reply to comment #2)
&gt; Yeah, this is my fault, though I don&apos;t know why (nor why only Lion).

This is &lt;rdar://problem/13129639&gt;, which only occurs when using IOSurface-backed canvii on Lion. It reproduces even before my change if you increase the size of the test canvas; I just expanded it to canvases &lt; 100x50.

I&apos;m going to check in expected failing results for Lion.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>822133</commentid>
    <comment_count>4</comment_count>
    <who name="Tim Horton">thorton</who>
    <bug_when>2013-01-31 16:54:44 -0800</bug_when>
    <thetext>http://trac.webkit.org/changeset/141506</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>