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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>208915</bug_id>
          
          <creation_ts>2020-03-11 06:01:50 -0700</creation_ts>
          <short_desc>[WPE] webgl/2.0.0/conformance2/transform_feedback/transform_feedback.html is failing since r257073</short_desc>
          <delta_ts>2021-12-31 03:33:01 -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>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>208188</dup_id>
          
          <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="Diego Pino">dpino</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>dino</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1628610</commentid>
    <comment_count>0</comment_count>
    <who name="Diego Pino">dpino</who>
    <bug_when>2020-03-11 06:01:50 -0700</bug_when>
    <thetext>r257073 marked webgl/2.0.0/conformance2/transform_feedback as Pass, but the test is failing in WPE:

   webgl/2.0.0/conformance2/transform_feedback/transform_feedback.html [ Failure ]


Diff:

--- /home/dpino/workspace/webkit-wpe/layout-test-results/webgl/2.0.0/conformance2/transform_feedback/transform_feedback-expected.txt
+++ /home/dpino/workspace/webkit-wpe/layout-test-results/webgl/2.0.0/conformance2/transform_feedback/transform_feedback-actual.txt
@@ -1,5 +1,41 @@
 This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.
 
 Test: ../../resources/webgl_test_files/conformance2/transform_feedback/transform_feedback.html
-[ PASS ] All tests passed
+[ 1: PASS ] WebGL context exists
+[ 2: PASS ] gl.TRANSFORM_FEEDBACK_BINDING is 0x8E25
+[ 3: PASS ] getError was expected value: NO_ERROR : TRANSFORM_FEEDBACK_BINDING query should succeed
+[ 4: PASS ] gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING) is null
+[ 5: PASS ] gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING) is null
+[ 6: FAIL ] gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING) should be [object WebGLTransformFeedback]. Was null.
+[ 7: FAIL ] gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING) should be [object WebGLTransformFeedback]. Was null.
+[ 8: PASS ] gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING) is null
+[ 9: FAIL ] getError expected: INVALID_OPERATION. Was INVALID_VALUE : binding a deleted Transform Feedback object
+[ 10: PASS ] gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING) is null
+[ 11: PASS ] getError was expected value: NO_ERROR : there should be no errors
+[ 12: PASS ] gl.getIndexedParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING, 0) is null
+[ 13: FAIL ] getError expected: NO_ERROR. Was INVALID_VALUE : binding buffer to ARRAY_BUFFER
+[ 14: PASS ] getError was expected value: NO_ERROR : createTransformFeedback should not set an error
+[ 15: PASS ] tf is non-null.
+[ 16: PASS ] gl.isTransformFeedback(tf) is false
+[ 17: FAIL ] gl.isTransformFeedback(tf) should be true. Was false.
+[ 18: FAIL ] gl.isTransformFeedback(tf) should be true. Was false.
+[ 19: PASS ] gl.isTransformFeedback(tf) is false
+[ 20: PASS ] gl.isTransformFeedback(null) is false
+[ 21: FAIL ] getError expected: NO_ERROR. Was INVALID_VALUE : linking transform feedback shader should not set an error
+[ 22: PASS ] program is non-null.
+[ 23: PASS ] getError was expected value: NO_ERROR : after evaluating: gl.getBufferSubData(gl.TRANSFORM_FEEDBACK_BUFFER, 0, retArray, 0, retArray.length)
+[ 24: FAIL ] getError expected: NO_ERROR. Was INVALID_VALUE : after evaluating: gl.getBufferSubData(gl.TRANSFORM_FEEDBACK_BUFFER, 0, retArray, 0, retArray.length)
+[ 25: FAIL ] getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: gl.getBufferSubData(gl.TRANSFORM_FEEDBACK_BUFFER, 0, retArray, 0, retArray.length)
+[ 26: FAIL ] buffer should match expected values
+[ 27: FAIL ] getError expected: NO_ERROR. Was INVALID_OPERATION : linking transform feedback shader should not set an error
+[ 28: PASS ] program is non-null.
+[ 29: FAIL ] buffer should match expected values
+[ 30: FAIL ] getError expected: NO_ERROR. Was INVALID_VALUE : linking transform feedback shader should not set an error
+[ 31: PASS ] program is non-null.
+[ 32: FAIL ] buffer should match expected values
+[ 33: FAIL ] buffer should match expected values
+[ 34: PASS ] TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN query&apos;s result didn&apos;t become available too early
+[ 35: FAIL ] Query didn&apos;t become available in a reasonable time
+[ 36: PASS ] successfullyParsed is true
+[ FAIL ] 16 failures reported</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1827326</commentid>
    <comment_count>1</comment_count>
    <who name="Diego Pino">dpino</who>
    <bug_when>2021-12-31 03:33:01 -0800</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 208188 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>