219144 – [TextureMapperGL] The invert filter wrongly inverts pre-multiplied alpha color

Bug 219144 - [TextureMapperGL] The invert filter wrongly inverts pre-multiplied alpha color

Summary: [TextureMapperGL] The invert filter wrongly inverts pre-multiplied alpha color

Attachments
test case (489 bytes, text/html) 2020-11-18 20:51 PST, Fujii Hironori	no flags	Details
[Screenshot] WinCairo port (23.47 KB, image/png) 2020-11-18 20:53 PST, Fujii Hironori	no flags	Details
WIP patch (991 bytes, patch) 2020-11-18 21:32 PST, Fujii Hironori	no flags	Details \| Formatted Diff \| Diff
test case 2 (364 bytes, text/html) 2020-11-18 22:04 PST, Fujii Hironori	no flags	Details
Patch (4.47 KB, patch) 2020-11-18 22:44 PST, Fujii Hironori	no flags	Details \| Formatted Diff \| Diff
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Description Fujii Hironori 2020-11-18 20:51:47 PST

Created attachment 414536 [details]
test case

[TextureMapperGL] Extra white margin around rotated filter layers

Comment 1 Fujii Hironori 2020-11-18 20:53:11 PST

Created attachment 414537 [details]
[Screenshot] WinCairo port

Comment 2 Fujii Hironori 2020-11-18 21:32:23 PST

Created attachment 414540 [details]
WIP patch

Comment 3 Fujii Hironori 2020-11-18 22:04:19 PST

Created attachment 414541 [details]
test case 2

Comment 4 Fujii Hironori 2020-11-18 22:44:47 PST

Created attachment 414542 [details]
Patch

Comment 5 Fujii Hironori 2020-11-18 23:15:30 PST

This patch also fixes the inverted down arrow on https://webkit.org/
https://ibb.co/album/k3Qq27

Comment 6 Fujii Hironori 2020-11-19 11:43:50 PST

Comment on attachment 414542 [details]
Patch

Clearing flags on attachment: 414542

Committed r270040: <https://trac.webkit.org/changeset/270040>

Comment 7 Fujii Hironori 2020-11-19 11:43:53 PST

All reviewed patches have been landed.  Closing bug.

Comment 8 Radar WebKit Bug Importer 2020-11-19 11:44:18 PST

<rdar://problem/71595442>