third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts.html - Issue 1946403003: Add fixed raster scale use counter histograms.

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Issue 1946403003: Add fixed raster scale use counter histograms. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 7 months ago

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« cc/trees/layer_tree_host_impl.cc ('K') | « content/renderer/render_widget.cc ('k') | third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts-expected.txt » ('j') | no next file with comments »
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	1 <!DOCTYPE html>

	2 <script src="../resources/js-test.js"></script>

	3 <script>

	4 window.jsTestIsAsync = true;

	5

	6 var FixedRasterScaleBlurryContent = 1343; // From UseCounter.h

	7 var FixedRasterScalePotentialPerformanceRegression = 1344; // From UseCounter.h

	8

	9 function verify(step) {

	10 testRunner.dumpAsText();

	11 switch (step) {

	12 case 0: // initial state

	13 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScaleBlurr yContent)");

	14 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePoten tialPerformanceRegression)");

	15 break;

	16 case 1: // first transform set

	17 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScaleBlurr yContent)");

	18 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePoten tialPerformanceRegression)");

	19 break;

	20 case 2: // second transform set to 1.0 scale

	21 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScaleBlurr yContent)");

	22 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePoten tialPerformanceRegression)");

	23 break;

	24 case 3: // remainder of transforms are set to != 1.0 scale

	25 case 4:

	26 case 5:

	27 case 6:

	28 shouldBeTrue("window.internals.isUseCounted(document, FixedRasterScaleBlurry Content)");

	29 shouldBeFalse("window.internals.isUseCounted(document, FixedRasterScalePoten tialPerformanceRegression)");

	30 break;

	31 default:

	32 shouldBeTrue("window.internals.isUseCounted(document, FixedRasterScaleBlurry Content)");

	33 shouldBeTrue("window.internals.isUseCounted(document, FixedRasterScalePotent ialPerformanceRegression)");

	34 break;

	35 }

	36 }

	37

	38 function mutate(step) {

	39 var div = document.getElementById("div");

	40

	41 // First scale is 0.5; second scale is 1.0; scale is > 1.0 for the remainder o f steps.

	42 var scale = 0.5 * (step + 1);

	43 div.style.transform = "translateZ(0) scale(" + scale + ", " + scale + ")";

	44 }

	45

	46 function schedule(step) {

	47 if (step <= 8) {

	48 if (window.testRunner) {

	49 window.testRunner.capturePixelsAsyncThen(function() {

	50 verify(step);

	51 mutate(step);

	52 schedule(step+1);

	53 });

	54 }

	55 } else {

	56 finishJSTest();

	57 }

	58 }

	59

	60 requestAnimationFrame(function() { schedule(0); });

	61 </script>

	62 <div id="div" style="transform:translateZ(0); width:100px; height:100px; backgro und-color:blue;">non-solid div</div>

	63

	64 </html>

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