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| (Empty) |
| 1 <!DOCTYPE html> | |
| 2 <script src="resources/text-based-repaint.js" type="text/javascript"></script> | |
| 3 <style> | |
| 4 #outer { | |
| 5 overflow: scroll; | |
| 6 width: 300px; | |
| 7 height: 300px; | |
| 8 background-color: blue; | |
| 9 position: absolute; | |
| 10 } | |
| 11 #container { | |
| 12 position: absolute; | |
| 13 top: 0px; | |
| 14 left: 50px; | |
| 15 width: 600px; | |
| 16 height: 600px; | |
| 17 background-color: red; | |
| 18 transform: translateZ(0); | |
| 19 } | |
| 20 </style> | |
| 21 <body onload="runRepaintAndPixelTest()"> | |
| 22 <div id="outer"> | |
| 23 <div id="container"><div id="inner"></div></div> | |
| 24 </div> | |
| 25 | |
| 26 <script> | |
| 27 function repaintTest() { | |
| 28 // This test ensures we properly paint composited descendants of clipped | |
| 29 // ancestors in the invalidateTree step. Composited children can be moved | |
| 30 // around in respect to their clipping ancestors without needing to be | |
| 31 // repainted (and will have their clip applied directly by the CC), so | |
| 32 // Blink needs to ignore their ancestor's clip rects to properly paint. | |
| 33 // We can't just change the background color, because that gets repainted | |
| 34 // in style recalc and doesn't tickle the bug. | |
| 35 document.querySelector('#inner').style.border = '300px solid green'; | |
| 36 document.querySelector('#outer').scrollLeft = 500; | |
| 37 } | |
| 38 </script> | |
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Chromium Code Reviews
Issue 2321183002:
Move repaint tests (except for svg/) to paint/invalidation (Closed)
