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