LayoutTests/fast/repaint/logical-height-change-hardware-accelerated-siblings-overrepaint.html - Issue 171843005: Avoid repainting non needs-self-layout container

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Side by Side Diff: LayoutTests/fast/repaint/logical-height-change-hardware-accelerated-siblings-overrepaint.html

Issue 171843005: Avoid repainting non needs-self-layout container (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Improve the description of the test. Created 6 years, 9 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <style>

	5 .view,

	6 .view > * {

	7 -webkit-transform: translateZ(0);

	8 }

	9

	10 .message {

	11 display: inline-block;

	12 background-color: blue;

	13 height: 100px;

	14 width: 100px;

	15 }

	16

	17 #middle {

	18 background-color: green;

	19 margin: 4px;

	20 }

	21

	22 </style>

	23 <script>

	24 function runRepaintTest()

	25 {

	26 if (window.testRunner)

	27 testRunner.dumpAsText();

	28

	29 middle.offsetTop;

	30 if (window.internals)

	31 window.internals.startTrackingRepaints(document);

	32

	33 middle.style.height = "300px";

	34 middle.offsetTop;

	35

	36 if (window.internals) {

	37 var layers = window.internals.layerTreeAsText(document, internals.LAYER_ TREE_INCLUDES_REPAINT_RECTS);

	38 document.getElementById('dump').appendChild(document.createTextNode(laye rs));

	39

	40 window.internals.stopTrackingRepaints(document);

	41 }

	42 }

	43

	44 window.addEventListener("load", runRepaintTest, false);

	45 </script>

	46 </head>

	47 <body>

	48 <p>

	49 This test checks which layers are repainted if #middle changes logical h eight.

	50 Ideally only #middle's layer should be repainted as none of the other la yer changed.

	51 </p>

	52 <div class="view">

	53 <div class='message'></div>

	54 <div class='message'></div>

	55 <div class='message'></div>

	56 <div class='message'></div>

	57 <div class='message'></div>

	58 <div class='message'></div>

	59 <div class='message'></div>

	60 <div id="middle"></div>

	61 <div class='message'></div>

	62 <div class='message'></div>

	63 <div class='message'></div>

	64 <div class='message'></div>

	65 <div class='message'></div>

	66 <div class='message'></div>

	67 <div class='message'></div>

	68 </div>

	69

	70 <div id="dump" style="white-space: pre"></div>

	71 </body>

	72 </html>

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