Bug 244824 - TextureMapper: rendering issue of a 3D transformed element at infinity with a parent with opacity<1
Summary: TextureMapper: rendering issue of a 3D transformed element at infinity with a...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Platform (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Fujii Hironori
URL:
Keywords: InRadar
Depends on: 245118
Blocks:
  Show dependency tree / graph
 
Reported: 2022-09-05 21:01 PDT by Fujii Hironori
Modified: 2022-09-29 14:22 PDT (History)
8 users (show)

See Also:

Attachments
test case (782 bytes, text/html)
2022-09-05 21:01 PDT, Fujii Hironori 		no flags Details
test case 2 (1.18 KB, text/html)
2022-09-05 22:24 PDT, Fujii Hironori 		no flags Details
test case 3 (676 bytes, text/html)
2022-09-05 22:57 PDT, Fujii Hironori 		no flags Details
WIP patch (7.55 KB, patch)
2022-09-07 14:20 PDT, Fujii Hironori 		ews-feeder: commit-queue-
Details | Formatted Diff | Diff
test case 4 (598 bytes, text/html)
2022-09-13 23:21 PDT, Fujii Hironori 		no flags Details
WIP patch (7.44 KB, patch)
2022-09-14 19:28 PDT, Fujii Hironori 		no flags Details | Formatted Diff | Diff
WIP patch (10.23 KB, patch)
2022-09-15 00:36 PDT, Fujii Hironori 		ews-feeder: commit-queue-
Details | Formatted Diff | Diff
WIP patch (10.39 KB, patch)
2022-09-19 23:26 PDT, Fujii Hironori 		no flags Details | Formatted Diff | Diff
Patch (11.36 KB, patch)
2022-09-26 18:00 PDT, Fujii Hironori 		no flags Details | Formatted Diff | Diff
Patch (12.43 KB, patch)
2022-09-26 20:36 PDT, Fujii Hironori 		no flags Details | Formatted Diff | Diff
Show Obsolete (5) View All Add an attachment (proposed patch, testcase, etc.)

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Description Fujii Hironori 2022-09-05 21:01:57 PDT 
Created attachment 462155 [details]
test case

TextureMapper: rendering issue of a 3D transformed element with negative w and a parent with opacity
Comment 1 Fujii Hironori 2022-09-05 22:24:27 PDT 
Created attachment 462157 [details]
test case 2
Comment 2 Fujii Hironori 2022-09-05 22:57:15 PDT 
Created attachment 462159 [details]
test case 3
Comment 3 Fujii Hironori 2022-09-07 14:20:34 PDT 
Created attachment 462188 [details]
WIP patch
Comment 4 Radar WebKit Bug Importer 2022-09-12 21:02:19 PDT 
<rdar://problem/99853256>
Comment 5 Fujii Hironori 2022-09-13 23:21:25 PDT 
Created attachment 462329 [details]
test case 4
Comment 6 Fujii Hironori 2022-09-14 19:28:39 PDT 
Created attachment 462343 [details]
WIP patch
Comment 7 Fujii Hironori 2022-09-15 00:36:12 PDT 
Created attachment 462351 [details]
WIP patch
Comment 8 Fujii Hironori 2022-09-19 23:26:43 PDT 
Created attachment 462468 [details]
WIP patch
Comment 9 Fujii Hironori 2022-09-26 18:00:59 PDT 
Created attachment 462642 [details]
Patch
Comment 10 Fujii Hironori 2022-09-26 20:36:56 PDT 
Created attachment 462645 [details]
Patch
Comment 11 Don Olmstead 2022-09-29 13:48:16 PDT 
Comment on attachment 462645 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=462645&action=review

> Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:364
> +template<typename T>
> +struct Point4D {
> +    T x;
> +    T y;
> +    T z;
> +    T w;
> +};
> +
> +template<typename T>
> +Point4D<T> operator+(Point4D<T> s, Point4D<T> t)
> +{
> +    return { s.x + t.x, s.y + t.y, s.z + t.z, s.w + t.w };
> +}
> +
> +template<typename T>
> +Point4D<T> operator-(Point4D<T> s, Point4D<T> t)
> +{
> +    return { s.x - t.x, s.y - t.y, s.z - t.z, s.w - t.w };
> +}
> +
> +template<typename T>
> +Point4D<T> operator*(T s, Point4D<T> t)
> +{
> +    return { s * t.x, s * t.y, s * t.z, s * t.w };
> +}

I'm just surprised there's nothing hanging out already that you can piggy-back on for this.
Comment 12 EWS 2022-09-29 14:22:22 PDT 
Committed 255013@main (2fd3420ef281): <https://commits.webkit.org/255013@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 462645 [details].