LayoutTests/fast/repaint/fixed-under-composited-absolute-scrolled.html - Issue 1298493003: Currently we only composite fixed position elements if we are on High DPI devices. This fix allows …

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Side by Side Diff: LayoutTests/fast/repaint/fixed-under-composited-absolute-scrolled.html

Issue 1298493003: Currently we only composite fixed position elements if we are on High DPI devices. This fix allows … Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Remove similarity check Created 5 years, 3 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <script src="resources/text-based-repaint.js"></script>	2 <script src="resources/text-based-repaint.js"></script>

3 <script>	3 <script>

4 function repaintTest() {	4 function repaintTest() {

5 document.getElementById('fixed').style.height = '200px';	5 document.getElementById('fixed').style.height = '200px';

6 }	6 }

7 onload = function() {	7 onload = function() {

8 // Scroll before repaint test to test correct scroll offset of invalidation re ct	8 // Scroll before repaint test to test correct scroll offset of invalidation re ct

9 // for fixed-position element when it needs repaint.	9 // for fixed-position element when it needs repaint.

10 window.scrollTo(0, 400);	10 window.scrollTo(0, 400);

(...skipping 17 matching lines...) Expand all Loading...
28 background-color: red;	28 background-color: red;

29 backface-visibility: hidden;	29 backface-visibility: hidden;

30 z-index: 1000;	30 z-index: 1000;

31 }	31 }

32 #fixed {	32 #fixed {

33 position: fixed;	33 position: fixed;

34 top: 0;	34 top: 0;

35 left: 0;	35 left: 0;

36 width: 100px;	36 width: 100px;

37 height: 100px;	37 height: 100px;

38 background-color: green;	38 background-color: rgba(0, 128, 0, 0.99);

39 }	39 }

40 </style>	40 </style>

41 Tests paint invalidation of fixed element under a composited absolute element on resize after scrolled.	41 Tests paint invalidation of fixed element under a composited absolute element on resize after scrolled.

42 Passes if there is a 100x200 green rectangle and no red.	42 Passes if there is a 100x200 green rectangle and no red.

43 <div id="indicator"></div>	43 <div id="indicator"></div>

44 <div id="absolute">	44 <div id="absolute">

45 <div id="fixed">	45 <div id="fixed">

46 </div>	46 </div>

47 </div>	47 </div>

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