740072 - Perspective origin checks the parent frame instead of style parent

Status: RESOLVED FIXED

(Core :: Layout, defect)

Description

[Matt Woodrow (:mattwoodrow)]

Attachment: Use the style parent for perspective-origin

We're looking at the wrong style context when looking for perpsective-origin, and thus missing it sometimes. Since this leaves us with the default (50% 50%), our drawing becomes dependent on the size of the parent frame, this test checks this.

Comment 1

[Aryeh Gregor (:ayg) (no longer with Mozilla)]

Comment on attachment 610217 [details] [diff] [review]
Use the style parent for perspective-origin

>+.parentWithPerspective {
>+  -moz-perspective: 100px;
>+  -moz-perspective-origin: 150px 150px;
>+  -webkit-perspective: 100px;
>+  -webkit-perspective-origin: 150px 150px;
>+  /* Changing width/height to 500px should not change the rendering. */
>+  height:100%;
>+}
>...
>+.parentWithPerspective {
>+  -moz-perspective: 100px;
>+  -moz-perspective-origin: 150px 150px;
>+  -webkit-perspective: 100px;
>+  -webkit-perspective-origin: 250px 150px;
>+  /* Changing width/height to 500px should not change the rendering. */
>+  height:500px;
>+}

Is it deliberate that you changed -webkit-perspective-origin from 150px 150px to 250px 150px here?  (Or that you included -webkit- properties at all?)

Comment 2

[Matt Woodrow (:mattwoodrow)]

https://hg.mozilla.org/integration/mozilla-inbound/rev/1751cbffa708

Comment 3

[:Ms2ger (he/him; ⌚ UTC+1/+2)]

https://hg.mozilla.org/mozilla-central/rev/1751cbffa708