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src/third_party/blink/web_tests/wpt_internal/document-transition/shared-transition-shapes.manual.html
Vladimir Levin 94ab95b34c SET: Remove render pass occlusion for shared elements.
This patch ensures that we don't use the render pass occlusion if
that pass is a shared element. Since we know we will be moving the
shared element around, we can't occlude the content underneath. Otherwise,
we can draw uninitialized content.

Adds a test to illustrate.

R=kylechar@chromium.org, vasilyt@chromium.org

Fixed: 1200646
Change-Id: I54595a0c07b1211fc7cbe506bdab93d87458c04e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2847680
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: vmpstr <vmpstr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#875670}
2021-04-23 15:13:19 +00:00

82 lines
1.5 KiB
HTML

<!DOCTYPE html>
<html>
<title>Shared transitions of different elements and shapes</title>
<link rel="help" href="https://github.com/vmpstr/shared-element-transitions">
<link rel="author" href="mailto:vmpstr@chromium.org">
<style>
body {
background: lightpink;
}
#container {
width: max-content;
position: relative;
}
.left {
left: 50px;
}
.right {
left: 550px;
}
div {
margin: 10px;
contain: paint;
}
.square {
width: 100px;
height: 100px;
background: green;
}
.rounded {
width: 100px;
height: 100px;
background: green;
border-radius: 20%;
}
.translucent {
opacity: 0.5;
}
.text {
width: 100px;
height: 100px;
}
</style>
<input id=toggle type=button value="Toggle!"></input>
<span>Same shape should move right and left</span>
<div id=container class=left>
<div id=e1 class=square></div>
<div id=e2 class=rounded></div>
<div id=e3 class="square translucent"></div>
<div id=e4 class="rounded translucent"></div>
<div id=e5 class=text>Lorem Ipsum</div>
</div>
<script>
let classes = ["left", "right"]
let i = 0;
async function runAnimation() {
await document.documentTransition.prepare({
rootTransition: "none",
sharedElements: [e1, e2, e3, e4, e5]
});
container.classList.remove(classes[i]);
i = (i + 1) % classes.length;
container.classList.add(classes[i]);
await document.documentTransition.start({
sharedElements: [e1, e2, e3, e4, e5]
});
}
function init() {
toggle.addEventListener("click", runAnimation);
}
onload = init;
</script>