REGRESSION (Metal ANGLE): [Catalina] 6 consistent WebGL failures / timeouts

• Component: WebGL
• Status: RESOLVED FIXED

[Ryan Haddad]

The following WebGL tests have been consistently timing out or failing on Catalina bots since Metal backed ANGLE 

Failing:
webgl/2.0.0/conformance2/buffers/one-large-uniform-buffer.html
+[ 4: FAIL ] canvas should be same as input uniform at (0, 0) expected: 127,191,64,255 was 0,0,0,0

webgl/2.0.0/conformance2/buffers/uniform-buffers.html
+[ 19: FAIL ] draw call should set canvas to red at (0, 0) expected: 255,0,0,255 was 255,255,255,255
+[ 20: FAIL ] draw call should set canvas to blue at (0, 0) expected: 0,0,255,255 was 255,255,255,255
+[ 25: FAIL ] draw call should set canvas to red at (0, 0) expected: 255,0,0,255 was 0,0,0,255
+[ 26: FAIL ] draw call should set canvas to blue at (0, 0) expected: 0,0,255,255 was 0,0,0,255
+[ 33: FAIL ] draw call should set canvas to (0.5, 0, 0.5) at (0, 0) expected: 127,0,127,255 was 0,0,0,255
+[ 34: FAIL ] draw call should set canvas to (0, 0.5, 1) at (0, 0) expected: 0,127,255,255 was 0,0,0,255


Timing out
webgl/1.0.3/conformance/ogles/GL/all/all_001_to_004.html
webgl/1.0.3/conformance/ogles/GL/any/any_001_to_004.html
webgl/2.0.0/conformance/ogles/GL/all/all_001_to_004.html
webgl/2.0.0/conformance/ogles/GL/any/any_001_to_004.html


https://build.webkit.org/results/Apple-Catalina-Release-WK2-Tests/r275299%20(1431)/results.html

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=webgl%2F1.0.3%2Fconformance%2Fogles%2FGL%2Fall%2Fall_001_to_004.html&test=webgl%2F1.0.3%2Fconformance%2Fogles%2FGL%2Fany%2Fany_001_to_004.html&test=webgl%2F2.0.0%2Fconformance%2Fogles%2FGL%2Fall%2Fall_001_to_004.html&test=webgl%2F2.0.0%2Fconformance%2Fogles%2FGL%2Fany%2Fany_001_to_004.html&test=webgl%2F2.0.0%2Fconformance2%2Fbuffers%2Fone-large-uniform-buffer.html&test=webgl%2F2.0.0%2Fconformance2%2Fbuffers%2Funiform-buffers.html

[Radar WebKit Bug Importer]

<rdar://problem/76070325>

[Ryan Haddad]

Marked tests as failing/skipped in https://trac.webkit.org/changeset/275321/webkit

[Dean Jackson]

Created attachment 425791 [details]
Patch

[EWS Watchlist]

Note that there are important steps to take when updating ANGLE. See https://trac.webkit.org/wiki/UpdatingANGLE

[EWS]

Committed r275841 (236409@main): <https://commits.webkit.org/236409@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 425791 [details].