| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <style> |
| 3 body { |
| 4 margin: 0px; |
| 5 } |
| 6 |
| 7 #box { |
| 8 background-color: purple; |
| 9 height: 100px; |
| 10 width: 100px; |
| 11 } |
| 12 </style> |
| 13 <script> |
| 14 if (window.testRunner) { |
| 15 testRunner.dumpAsText(); |
| 16 testRunner.waitUntilDone(); |
| 17 } |
| 18 |
| 19 window.onload = function() { |
| 20 var i = 0; |
| 21 var finalIteration = 6; |
| 22 var startTrackingRectIteration = 3; // We need to put out a few frames befor
e reproducing the bug. |
| 23 var testedLocations = []; |
| 24 function tick(t) { |
| 25 var x = 300 * i; |
| 26 if (i > startTrackingRectIteration) { |
| 27 testedLocations.push(x); |
| 28 if (window.internals) |
| 29 internals.startTrackingRepaints(document); |
| 30 } |
| 31 |
| 32 box.style.transform = "translate(" + x + "px, 0px)"; |
| 33 if (++i < finalIteration) { |
| 34 requestAnimationFrame(tick); |
| 35 } else { |
| 36 if (window.internals) { |
| 37 var layerTree = internals.layerTreeAsText(document, internals.LA
YER_TREE_INCLUDES_REPAINT_RECTS); |
| 38 window.internals.stopTrackingRepaints(document); |
| 39 document.getElementById("result").textContent = "Tested location
s: " + testedLocations + '\n' + layerTree; |
| 40 } |
| 41 if (window.testRunner) |
| 42 testRunner.notifyDone(); |
| 43 } |
| 44 } |
| 45 |
| 46 requestAnimationFrame(tick); |
| 47 }; |
| 48 </script> |
| 49 <div id="box"></div> |
| 50 This test checks that changing the transform on an element triggers a correct in
validation.<br> |
| 51 The paint invalidations below should match the transformed element's coordinates
. |
| 52 <pre id="result"></pre> |
| OLD | NEW |
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Chromium Code Reviews
Issue 448793002:
Unified invalidation for repaint-only style change of layers (Closed)
Base URL: svn://svn.chromium.org/blink/trunk