| Index: third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts.html
|
| diff --git a/third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts.html b/third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..706af40715ff3130a15c87da39c659eea4b8428f
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts.html
|
| @@ -0,0 +1,59 @@
|
| +<!DOCTYPE html>
|
| +<script src="../resources/js-test.js"></script>
|
| +<script>
|
| +window.jsTestIsAsync = true;
|
| +
|
| +var FixedRasterScaleBlurryContent = 1373; // From UseCounter.h
|
| +var FixedRasterScalePotentialPerformanceRegression = 1374; // From UseCounter.h
|
| +
|
| +function verify(step) {
|
| + switch (step) {
|
| + case 0: // initial state
|
| + shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScaleBlurryContent)");
|
| + shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePotentialPerformanceRegression)");
|
| + break;
|
| + case 1: // first transform set to 1.0 scale
|
| + shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScaleBlurryContent)");
|
| + shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePotentialPerformanceRegression)");
|
| + break;
|
| + case 2: // remainder of transforms are set to != 1.0 scale
|
| + case 3:
|
| + case 4:
|
| + case 5:
|
| + shouldBeTrue("window.internals.isUseCounted(document, FixedRasterScaleBlurryContent)");
|
| + shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePotentialPerformanceRegression)");
|
| + break;
|
| + default:
|
| + shouldBeTrue("window.internals.isUseCounted(document, FixedRasterScaleBlurryContent)");
|
| + shouldBeTrue("window.internals.isUseCounted(document, FixedRasterScalePotentialPerformanceRegression)");
|
| + break;
|
| + }
|
| +}
|
| +
|
| +function mutate(step) {
|
| + var div = document.getElementById("div");
|
| +
|
| + // First scale is 1.0; scale is > 1.0 for the remainder of steps.
|
| + var scale = 2 * (step + 1);
|
| + div.style.transform = "translateZ(0) scale(" + scale + ", " + scale + ")";
|
| +}
|
| +
|
| +function schedule(step) {
|
| + if (step <= 8) {
|
| + if (window.testRunner) {
|
| + window.testRunner.capturePixelsAsyncThen(function() {
|
| + verify(step);
|
| + mutate(step);
|
| + schedule(step+1);
|
| + });
|
| + }
|
| + } else {
|
| + finishJSTest();
|
| + }
|
| +}
|
| +
|
| +requestAnimationFrame(function() { schedule(0); });
|
| +</script>
|
| +<div id="div" style="transform:translateZ(0); width:100px; height:100px; background-color:blue;">non-solid div</div>
|
| +
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1946403003:
Add fixed raster scale use counter histograms. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master