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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-3.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 'layout/reftests/transform/partial-prerender-translate-3.html')
| -rw-r--r-- | layout/reftests/transform/partial-prerender-translate-3.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/layout/reftests/transform/partial-prerender-translate-3.html b/layout/reftests/transform/partial-prerender-translate-3.html new file mode 100644 index 0000000000..6e4ad202b1 --- /dev/null +++ b/layout/reftests/transform/partial-prerender-translate-3.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 partial pre-rendered area is completely out of the viewport but still + there remains some amount of area of the entire transform element. + If we mis-recognize it as NOT a jank, checkerboading will happen. + --> +<style> +html { + overflow: hidden; +} +body { + margin: 0px; + padding: 0px; +} +@keyframes anim { + /* translate to a position the partial pre-rendered area is outside of the */ + /* viewport but still there should remain visible area. */ + to { transform: translateX(-150vw); } +} +#target { + width: 200vw; + height: 200vh; + position: absolute; + transform: translateX(0vw); +} +</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", () => { + // animtionstart event is fired just before requestAnimationFrame callbacks, + // so we need to wait two rAF to make sure the initial animation value is + // composited on the compositor. + requestAnimationFrame(() => { + requestAnimationFrame(() => { + document.documentElement.classList.remove("reftest-wait"); + }); + }); + }); +}, { once: true }); +</script> +</html> |