770629 - Divs aren't rendered when using CSS 3D transforms

Status: RESOLVED FIXED

(Core :: Layout, defect)

Description

[Bobby Richter [:secretrobotron]]

http://robothaus.org:8888/cornfield/view/4fe23b63a4886fd25f000004.html

The link above should show a video with a spinning cube on the bottom right. In Firefox 16.0a1 (2012-07-03), the planes of the cube and its shadow appear intermittently, but it displays properly in Chrome and Firefox 13.

Comment 1

[Bobby Richter [:secretrobotron]]

I will try to shave down the example a bit for easier inspection.

Comment 2

[Bobby Richter [:secretrobotron]]

More isolated example: http://robothaus.org/mozilla/bugs/770629.html

Notice that as the cube moves into the center of the page, it starts to lose more planes. At 0,0 the cube seems fine.

Comment 3

[Alice0775 White]

Regression window(m-i)
Good:
http://hg.mozilla.org/integration/mozilla-inbound/rev/0d9f7fb55226
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/16.0 Firefox/16.0 ID:20120629192951
Bad:
http://hg.mozilla.org/integration/mozilla-inbound/rev/cd6d52bdf2d8
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/16.0 Firefox/16.0 ID:20120629200651
Pushlog:
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=0d9f7fb55226&tochange=cd6d52bdf2d8

Suspected: Bug 539356

Comment 4

[Jonathan Watt [:jwatt]]

Attachment: further reduced testcase

Comment 5

[Jonathan Watt [:jwatt]]

Attachment: patch containing regression test

Comment 6

[Jonathan Watt [:jwatt]]

Not quite sure whether I should assign this to myself and call it done with the regression test, and then let you fix it in your DLBI queue...or something else.

Comment 7

[Matt Woodrow (:mattwoodrow)]

Comment on attachment 643251 [details] [diff] [review]
patch containing regression test

Review of attachment 643251 [details] [diff] [review]:
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This should probably be in the transform3d folder since it's using rotateY and perspective.

And yes, I think we should close these bugs once the test lands. Probably best to assign them to yourself asap too, so that other people don't accidentally duplicate your work.

Comment 8

[Jonathan Watt [:jwatt]]

http://hg.mozilla.org/integration/mozilla-inbound/rev/d494d578acb5

Comment 9

[Ed Morley [:emorley]]

https://hg.mozilla.org/mozilla-central/rev/d494d578acb5