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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/reftests/transform/partial-prerender-translate-1.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | layout/reftests/transform/partial-prerender-translate-1.html | 54 |
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 new file mode 100644 index 0000000000..9cd8fd6441 --- /dev/null +++ b/layout/reftests/transform/partial-prerender-translate-1.html @@ -0,0 +1,54 @@ +<!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> |