| OLD | NEW |
|---|
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <script src="resources/text-based-repaint.js"></script> | 4 <script src="resources/text-based-repaint.js"></script> |
| 5 <style> | 5 <style> |
| 6 | 6 |
| 7 #scroller { | 7 #scroller { |
| 8 position: absolute; | 8 position: absolute; |
| 9 left: 10px; | 9 left: 10px; |
| 10 top: 60px; | 10 top: 60px; |
| 11 width: 700px; | 11 width: 700px; |
| 12 height: 400px; | 12 height: 400px; |
| 13 overflow: scroll; | 13 overflow: scroll; |
| 14 will-change: transform; | 14 will-change: transform; |
| 15 } | 15 } |
| 16 #block { | 16 #block { |
| 17 background-color: #cef; | 17 background-color: #cef; |
| 18 position: absolute; | 18 position: absolute; |
| 19 left: 300px; | 19 left: 300px; |
| 20 top: 200px; | 20 top: 200px; |
| 21 width: 120px; | 21 width: 120px; |
| 22 height: 50px; | 22 height: 50px; |
| 23 text-align: center; | 23 text-align: center; |
| 24 } | 24 } |
| 25 | 25 |
| 26 </style> | 26 </style> |
| 27 </head> | 27 </head> |
| 28 <body onload="runRepaintTest()"> | 28 <body onload="runRepaintAndPixelTest()"> |
| 29 | 29 |
| 30 This tests that a scroll updates an element's previous paint invalidation rect | 30 This tests that a scroll updates an element's previous paint invalidation rect |
| 31 even if the element's position relative to the parent blink::Layer is unchanged. | 31 even if the element's position relative to the parent blink::Layer is unchanged. |
| 32 | 32 |
| 33 <div id="scroller" class="scroller"> | 33 <div id="scroller" class="scroller"> |
| 34 <div style="height: 600px"></div> | 34 <div style="height: 600px"></div> |
| 35 <div style="position: absolute; top: 0"> | 35 <div style="position: absolute; top: 0"> |
| 36 <div id="block"></div> | 36 <div id="block"></div> |
| 37 </div> | 37 </div> |
| 38 </div> | 38 </div> |
| 39 <script> | 39 <script> |
| 40 | 40 |
| 41 function repaintTest() | 41 function repaintTest() |
| 42 { | 42 { |
| 43 document.querySelector("#scroller").scrollTop = 100; | 43 document.querySelector("#scroller").scrollTop = 100; |
| 44 document.querySelector("#block").style.left = '50px'; | 44 document.querySelector("#block").style.left = '50px'; |
| 45 } | 45 } |
| 46 | 46 |
| 47 </script> | 47 </script> |
| 48 </body> | 48 </body> |
| 49 </html> | 49 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1992303002:
Test pixel results for repaint tests changing scroll (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master