Bug 273413 – Regression:(272323@main-272356@main) webgl/1.0.x/conformance/rendering/texture-switch-performance.html is a flaky TEXT failure

• Component: New Bugs
• Status: NEW

[Dawn Morningstar]

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

[Dawn Morningstar]

rdar://127157710

[Dawn Morningstar]

The test was passing a lot more frequently before the regression range, then it became a lot more flaky.

[Radar WebKit Bug Importer]

<rdar://problem/127610738>

[Ryan Haddad]

rdar://127157710