[Webkit-unassigned] [Bug 205662] New: REGRESSION (r253926): webgl/2.0.0/conformance2/renderbuffers/multisampled-renderbuffer-initialization.html is flaky
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Dec 31 14:18:18 PST 2019
https://bugs.webkit.org/show_bug.cgi?id=205662
Bug ID: 205662
Summary: REGRESSION (r253926):
webgl/2.0.0/conformance2/renderbuffers/multisampled-re
nderbuffer-initialization.html is flaky
Product: WebKit
Version: WebKit Local Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebGL
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ap at webkit.org
CC: dino at apple.com, kbr at google.com,
webkit-bug-importer at group.apple.com
webgl/2.0.0/conformance2/renderbuffers/multisampled-renderbuffer-initialization.html became a flaky failure on all Mac bots after switching to ANGLE.
https://results.webkit.org/?suite=layout-tests&test=webgl%2F2.0.0%2Fconformance2%2Frenderbuffers%2Fmultisampled-renderbuffer-initialization.html
FWIW, the story seems to be more subtle on internal bots, some of which saw the test flake in different ways prior to the switch, but it's a 100% clear regression in open source.
@@ -49,7 +49,7 @@
[ 46: PASS ] gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE
[ 47: PASS ] getError was expected value: NO_ERROR : should be no errors
[ 48: PASS ] getError was expected value: NO_ERROR : should be no errors
-[ 49: PASS ] user buffer has been initialized to 0
+[ 49: FAIL ] user buffer has been initialized to 0 at (8, 0) expected: 0,0,0,0 was 255,255,255,255
[ 50: PASS ] getError was expected value: NO_ERROR : should be no errors
[ 51: PASS ] internal buffers have been initialized to 0
[ 52: PASS ] getError was expected value: NO_ERROR : should be no error after framebufferRenderbuffer.
@@ -112,7 +112,7 @@
[ 109: PASS ] gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE
[ 110: PASS ] getError was expected value: NO_ERROR : should be no errors
[ 111: PASS ] getError was expected value: NO_ERROR : should be no errors
-[ 112: PASS ] user buffer has been initialized to 0
+[ 112: FAIL ] user buffer has been initialized to 0 at (8, 0) expected: 0,0,0,0 was 255,255,255,255
[ 113: PASS ] getError was expected value: NO_ERROR : should be no errors
[ 114: PASS ] internal buffers have been initialized to 0
[ 115: PASS ] getError was expected value: NO_ERROR : should be no error after framebufferRenderbuffer.
@@ -130,5 +130,5 @@
[ 127: PASS ] clearColor is [0, 1, 0, 1]
[ 128: PASS ] getError was expected value: NO_ERROR : should be no errors
[ 129: PASS ] successfullyParsed is true
-[ FAIL ] 8 failures reported
+[ FAIL ] 10 failures reported
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