Blitz - WPT: mix-blend-mode-stacking-context-002.html

wpt / css / compositing / mix-blend-mode / mix-blend-mode-stacking-context-002.html

/css/compositing/mix-blend-mode/mix-blend-mode-stacking-context-002.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Compositing: mix-blend-mode changing dynamically</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<link rel="help" href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode">
<link rel="help" href="https://github.com/servo/servo/issues/38506">
<meta name="assert" content="Dynamic changes of mix-blend-mode can start or stop establishing a stacking context.">
<link rel="match" href="../../reference/ref-filled-green-200px-square.html">
<style>
.target {
  width: 200px;
  height: 100px;
  position: relative;
}
.target > div {
  position: absolute;
  inset: 0;
  z-index: -1;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="a" class="target" style="mix-blend-mode: normal; background: red">
  <div style="background: green"></div>
</div>
<div id="b" class="target" style="mix-blend-mode: multiply; background: green">
  <div style="background: red"></div>
</div>
<script src="/common/reftest-wait.js"></script>
<script>
requestAnimationFrame(() => requestAnimationFrame(() => {
  document.getElementById("a").style.mixBlendMode = "multiply";
  document.getElementById("b").style.mixBlendMode = "normal";
  takeScreenshot();
}));
</script>
</html>

/css/reference/ref-filled-green-200px-square.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reftest Reference</title>
<link rel="author" title="Javier Fernandez Garcia-Boente" href="jfernandez@igalia.com" />
<style>
div {
  background-color: green;
  height: 200px;
  width: 200px;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div></div>