| Index: tools/perf/page_sets/tough_animation_cases/css_animations_many_keyframes.html
|
| diff --git a/tools/perf/page_sets/tough_animation_cases/css_animations_many_keyframes.html b/tools/perf/page_sets/tough_animation_cases/css_animations_many_keyframes.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..d7202423b50029e0e9f0a462c550c90e3f663c57
|
| --- /dev/null
|
| +++ b/tools/perf/page_sets/tough_animation_cases/css_animations_many_keyframes.html
|
| @@ -0,0 +1,48 @@
|
| +<!DOCTYPE html>
|
| +<meta name="viewport" content="width=device-width, user-scalable=no">
|
| +<link rel="stylesheet" type="text/css" href="resources/tablet.css">
|
| +<script src="resources/perftesthelper.js"></script>
|
| +<style>
|
| +target {
|
| + position: absolute;
|
| + width: 0px;
|
| + height: 0px;
|
| + border: 5px solid green;
|
| + border-radius: 100%;
|
| +}
|
| +</style>
|
| +
|
| +<container id="container"></container>
|
| +
|
| +<script>
|
| +var N = PerfTestHelper.getN(1000);
|
| +var numKeyframes = 500;
|
| +var duration = 4000;
|
| +
|
| +function makeKeyframes(numKeyframes, width, height) {
|
| + var keyframes = '@-webkit-keyframes anim {\n'
|
| + for (var i = 0; i < numKeyframes + 1; i++) {
|
| + var fraction = i / numKeyframes;
|
| + var t = fraction * 2 * Math.PI;
|
| + var x = Math.cos(t) - Math.pow(Math.cos(4 * t), 3);
|
| + x = ((x / 4 + 1 / 2) * width).toFixed(5);
|
| + var y = Math.pow(Math.sin(4 * t), 3) - Math.sin(2 * t);
|
| + y = ((y / 4 + 1 / 2) * height).toFixed(5);
|
| + keyframes += (fraction * 100) + '% { transform: translate(' + x + 'px, ' + y + 'px); }\n';
|
| + }
|
| + return keyframes;
|
| +}
|
| +
|
| +var style = document.createElement('style');
|
| +style.textContent = makeKeyframes(numKeyframes, 550, 800);
|
| +
|
| +for (var i = 0; i < N; i++) {
|
| + var target = document.createElement('target');
|
| + target.style.webkitAnimation = 'anim ' + duration + 'ms linear infinite ' + (-duration / 10 * i / N) + 'ms';
|
| + container.appendChild(target);
|
| +}
|
| +
|
| +container.appendChild(style);
|
| +
|
| +PerfTestHelper.signalReady();
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 666723003:
Add CSS Animations performance tests - trybot-android-nexus5 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master