RESOLVED FIXED 218164
[TextureMapper] min(genIType) isn't supported for GLSL ES < 3.0 
https://bugs.webkit.org/show_bug.cgi?id=218164
Summary [TextureMapper] min(genIType) isn't supported for GLSL ES < 3.0
Fujii Hironori
Reported 2020-10-25 15:09:51 PDT
[WinCairo] REGRESSION(r?): Nothing is drawn in AC mode 1. Start WinCairo MiniBrowser 2. Go to https://webkit.org/ 3. Back blank page is shown Workaround: Disable Accelerated Compositing r268666: OK r268956: Nothing shown
Attachments
WIP patch (1.07 KB, patch)
2020-10-25 19:55 PDT, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Patch (2.23 KB, patch)
2020-10-25 21:05 PDT, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Fujii Hironori
Comment 1 2020-10-25 17:09:12 PDT
this issue has started since r268923.
Fujii Hironori
Comment 2 2020-10-25 19:42:53 PDT
I got the following shader error if debugging log is enabled. $env:WebCoreLogging = "Compositing=debug" > Fragment shader log: ERROR: 0:53: 'min' : no matching overloaded function found > ERROR: 0:53: '=' : cannot convert from 'const mediump float' to 'mediump int'
Fujii Hironori
Comment 3 2020-10-25 19:55:44 PDT
Created attachment 412286 [details] WIP patch
Fujii Hironori
Comment 4 2020-10-25 21:05:02 PDT
Created attachment 412288 [details] Patch
Miguel Gomez
Comment 5 2020-10-26 01:13:12 PDT
(In reply to Fujii Hironori from comment #4) > Created attachment 412288 [details] > Patch Ooops, my bad!! The patch looks good to me. Thanks Fujii!
Fujii Hironori
Comment 6 2020-10-26 12:57:51 PDT
Comment on attachment 412288 [details] Patch Clearing flags on attachment: 412288 Committed r268992: <https://trac.webkit.org/changeset/268992>
Fujii Hironori
Comment 7 2020-10-26 12:57:54 PDT
All reviewed patches have been landed. Closing bug.
Radar WebKit Bug Importer
Comment 8 2020-10-26 12:58:17 PDT
<rdar://problem/70691591>
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