Bug 229957 - webgl/1.0.x/conformance/rendering/clipping-wide-points.html fails on macOS Catalina OpenGL
Summary: webgl/1.0.x/conformance/rendering/clipping-wide-points.html fails on macOS Ca...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: WebGL (show other bugs)
Version: WebKit Local Build
Hardware: Mac (Intel) macOS 10.15
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks: webgl2conformance
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Reported: 2021-09-06 04:33 PDT by Kimmo Kinnunen
Modified: 2021-09-13 04:34 PDT (History)
5 users (show)

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Description Kimmo Kinnunen 2021-09-06 04:33:38 PDT
macOS-Catalina-Release-WK2-Tests-EWS

https://ews-build.webkit.org/#/builders/59/builds/15001

This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.

Test: ../../../resources/webgl_test_files/conformance/rendering/clipping-wide-points.html

[ 1: PASS ] getError was expected value: NO_ERROR : Should be no errors after setting up program
[ 2: PASS ] should be 0,255,0
[ 3: PASS ] getError was expected value: NO_ERROR : Should be no errors after running one test case
[ 4: FAIL ] should be 0,255,0 at (0, 0) expected: 0,255,0 was 255,0,0
[ 5: PASS ] getError was expected value: NO_ERROR : Should be no errors after running one test case
[ 6: PASS ] should be 0,255,0
[ 7: PASS ] getError was expected value: NO_ERROR : Should be no errors after running one test case
[ 8: FAIL ] should be 0,255,0 at (0, 0) expected: 0,255,0 was 255,0,0
[ 9: PASS ] getError was expected value: NO_ERROR : Should be no errors after running one test case
[ 10: PASS ] successfullyParsed is true
[ FAIL ] 2 failures reported
Comment 1 Kenneth Russell 2021-09-07 12:56:12 PDT
This isn't surprising - AMD's OpenGL driver behaved differently than all others in that it clipped wide points once their centroid moved off-screen. Hopefully ANGLE's Metal backend has resolved this longstanding behavioral problem and conformance test failure.
Comment 2 Radar WebKit Bug Importer 2021-09-13 04:34:16 PDT
<rdar://problem/83049414>