Bug 273413

Summary: Regression:(272323@main-272356@main) webgl/1.0.x/conformance/rendering/texture-switch-performance.html is a flaky TEXT failure
Product: WebKit Reporter: Dawn Morningstar <Morningstar>
Component: New BugsAssignee: Kimmo Kinnunen <kkinnunen>
Status: NEW ---    
Severity: Normal CC: kkinnunen, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Other   
Hardware: Unspecified   
OS: Unspecified   

Description Dawn Morningstar 2024-04-29 10:11:05 PDT
webgl/1.0.x/conformance/rendering/texture-switch-performance.html Is a constant TEXT failure on [x86_64] [wk2] [debug] [Monterey Ventura]

Regression = 272323@main-272356@main https://commits.webkit.org/compare/272323@main...272356@main

History:
https://results.webkit.org/?suite=layout-tests&test=webgl/1.0.x/conformance/rendering/texture-switch-performance.html

diff:
--- /Volumes/Data/worker/Apple-Ventura-Debug-WK2-Tests/build/layout-test-results/webgl/1.0.x/conformance/rendering/texture-switch-performance-expected.txt
+++ /Volumes/Data/worker/Apple-Ventura-Debug-WK2-Tests/build/layout-test-results/webgl/1.0.x/conformance/rendering/texture-switch-performance-actual.txt
@@ -1,4 +1,7 @@
 This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.
 
 Test: ../../../resources/webgl_test_files/conformance/rendering/texture-switch-performance.html
-[ PASS ] All tests passed
+
+[ 0: FAIL ] Texture switching significantly hurt performance - achieved 42 frames in 2.013 seconds (0.70 times baseline performance)
+[ 1: PASS ] successfullyParsed is true
+[ FAIL ] 1 failures reported


diff-url:
https://build.webkit.org/results/Apple-Ventura-Debug-WK2-Tests/278071@main%20(4531)/webgl/1.0.x/conformance/rendering/texture-switch-performance-diff.txt

test-run-url:
https://build.webkit.org/#/builders/701/builds/4531
Comment 1 Dawn Morningstar 2024-04-29 10:11:14 PDT
rdar://127157710
Comment 2 Dawn Morningstar 2024-04-29 10:12:16 PDT
The test was passing a lot more frequently before the regression range, then it became a lot more flaky.
Comment 3 Radar WebKit Bug Importer 2024-05-06 10:12:43 PDT
<rdar://problem/127610738>
Comment 4 Ryan Haddad 2024-05-07 20:46:36 PDT
rdar://127157710