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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /layout/reftests/transform/partial-prerender-translate-1.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/reftests/transform/partial-prerender-translate-1.html')
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1 files changed, 54 insertions, 0 deletions
diff --git a/layout/reftests/transform/partial-prerender-translate-1.html b/layout/reftests/transform/partial-prerender-translate-1.html
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+++ b/layout/reftests/transform/partial-prerender-translate-1.html
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+<!DOCTYPE html>
+<html class="reftest-wait reftest-no-flush">
+<meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
+<!--
+ A test for a partial pre-rendered transform animation moves to a place where
+ the whole area of the transform animation is out of the viewport.
+ We consider it jank, thus we report it to the main-thread, then we clear out
+ the initial green rectangle, thus the result should be a blank page.
+ -->
+<style>
+html {
+ overflow: hidden;
+}
+body {
+ margin: 0px;
+ padding: 0px;
+}
+@keyframes anim {
+ /* translate to a position the element is completely outside of the */
+ /* viewport */
+ to { transform: translateX(-300vw); }
+}
+#target {
+ width: 200vw;
+ height: 200vh;
+ position: absolute;
+ /* Some part of this element needs to be visible initially so that */
+ /* a display item for this element is generated, thus the transform */
+ /* animation runs on the compositor. */
+ transform: translateX(-110vw);
+}
+</style>
+<div id="target">
+ <!--
+ Put an SVG element so that the transform display item has a blob on
+ WebRender which means this test properly fails without the proper fix.
+ -->
+ <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
+ <rect fill="green" width="16" height="16"></rect>
+ </svg>
+</div>
+<script>
+document.addEventListener("MozReftestInvalidate", () => {
+ target.style.animation = "anim 100s 1s step-start";
+ target.addEventListener("animationstart", () => {
+ // Wait 100ms to make sure we can report the jank to the main-thread and
+ // in response to the report we can do a paint process on the main-thread.
+ setTimeout(() => {
+ document.documentElement.classList.remove("reftest-wait");
+ }, 100);
+ });
+}, { once: true });
+</script>
+</html>