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Don't optimize display list for projective transforms

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There are situations where elements are transformed from outside the
display list. With projective transforms it's currently difficult to
detect these. In those cases we just don't optimize the display list,
so that they will always be shown.

Fixes #13822.
This commit is contained in:
Martin Robinson 2017-05-10 14:20:25 +02:00
parent 0040160b38
commit 3236611aba
4 changed files with 81 additions and 0 deletions
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25
tests/wpt/mozilla/meta/MANIFEST.json
View file

@ -5849,6 +5849,18 @@
{}
]
],
"css/transform_3d_from_outside_viewport.html": [
[
"/_mozilla/css/transform_3d_from_outside_viewport.html",
[
[
"/_mozilla/css/transform_3d_from_outside_viewport_ref.html",
"!="
]
],
{}
]
],
"css/transform_optimization.html": [
[
"/_mozilla/css/transform_optimization.html",
@ -9259,6 +9271,11 @@
{}
]
],
"css/transform_3d_from_outside_viewport_ref.html": [
[
{}
]
],
"css/transform_3d_ref.html": [
[
{}
@ -24062,6 +24079,14 @@
"1450d169d4c5506fff240adca5c28b0cb6accd9f",
"reftest"
],
"css/transform_3d_from_outside_viewport.html": [
"b59ccc70dec5de8bf55440ef3d4dd35d2ec1493a",
"reftest"
],
"css/transform_3d_from_outside_viewport_ref.html": [
"87531bec4e8b60f17d885d6236ec0629f68f6c9a",
"support"
],
"css/transform_3d_ref.html": [
"e59866f74ae9dc10a2220c1bb240862371f3edc9",
"support"

33
tests/wpt/mozilla/tests/css/transform_3d_from_outside_viewport.html Normal file
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@ -0,0 +1,33 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Ensure that content transformed from outside the viewport is displayed</title>
<link rel="match" href="transform_3d_from_outside_viewport_ref.html">
<style>
#container {
left: 0;
top: 0;
position: absolute;
width: 100%;
height: 100%;
overflow: hidden;
perspective: 2000px;
perspective-origin: 20% 50%;
background: yellow;
}
#transformed {
height: 200px;
transform: translate3d(0px, 0px, -1300px) rotateY(45deg);
background: green;
}
</style>
</head>
<body>
<div id="container">
<div id="transformed"></div>
</div>
</body>
</html>

15
tests/wpt/mozilla/tests/css/transform_3d_from_outside_viewport_ref.html Normal file
View file

@ -0,0 +1,15 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Ensure that content transformed from outside the viewport is displayed</title>
<style>
body {
background: yellow;
}
</style>
</head>
<body>
</body>
</html>