third_party/WebKit/LayoutTests/compositing/fixed-raster-scale-use-counts.html - Issue 2068413002: cc: Remove fixed raster scale, stop rasterizing with will-change.

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Issue 2068413002: cc: Remove fixed raster scale, stop rasterizing with will-change. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: compile fix Created 4 years, 6 months ago

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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 = 1373; // From UseCounter.h

7 var FixedRasterScalePotentialPerformanceRegression = 1374; // From UseCounter.h

8

9 function verify(step) {

10 switch (step) {

11 case 0: // initial state

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

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

14 break;

15 case 1: // first transform set to 1.0 scale

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

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

18 break;

19 case 2: // remainder of transforms are set to != 1.0 scale

20 case 3:

21 case 4:

22 case 5:

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

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

25 break;

26 default:

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

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

29 break;

30 }

31 }

32

33 function mutate(step) {

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

35

36 // First scale is 1.0; scale is > 1.0 for the remainder of steps.

37 var scale = 2 * (step + 1);

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

39 }

40

41 function schedule(step) {

42 if (step <= 8) {

43 if (window.testRunner) {

44 window.testRunner.capturePixelsAsyncThen(function() {

45 verify(step);

46 mutate(step);

47 schedule(step+1);

48 });

49 }

50 } else {

51 finishJSTest();

52 }

53 }

54

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

56 </script>

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

58

59 </html>

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