| OLD | NEW |
|---|
| (Empty) |
| 1 <html> | |
| 2 <head> | |
| 3 <style> | |
| 4 #test { | |
| 5 height: 0px; | |
| 6 } | |
| 7 .child { | |
| 8 height: 5px; | |
| 9 width: 5px; | |
| 10 margin: 5px; | |
| 11 } | |
| 12 .layer { | |
| 13 transform: translateZ(0); | |
| 14 } | |
| 15 </style> | |
| 16 </head> | |
| 17 <body> | |
| 18 <div id='test'> | |
| 19 </div> | |
| 20 <script src="../resources/magnitude-perf.js"></script> | |
| 21 <script> | |
| 22 | |
| 23 function log(msg) | |
| 24 { | |
| 25 Magnitude._log(msg); | |
| 26 } | |
| 27 | |
| 28 var testNode; | |
| 29 | |
| 30 function setupFunction(magnitude, className) | |
| 31 { | |
| 32 testNode = document.getElementById('test'); | |
| 33 testNode.innerHTML = ''; | |
| 34 for(var i = 0; i < magnitude; i++) { | |
| 35 var child = document.createElement('div'); | |
| 36 child.className = className; | |
| 37 testNode.appendChild(child); | |
| 38 } | |
| 39 | |
| 40 // Force any pending full layout (since hit rect computation will be skipped | |
| 41 // when there is a layout pending). It's important that layout isn't dirtie
d | |
| 42 // after this before the tests run, or we'll get low linear times for everyt
hing. | |
| 43 document.body.getBoundingClientRect(); | |
| 44 | |
| 45 } | |
| 46 | |
| 47 // Test 1 tests that rect calculation is linear in the number of rects in a laye
r. | |
| 48 | |
| 49 function setupFunction1(magnitude) | |
| 50 { | |
| 51 setupFunction(magnitude, 'child'); | |
| 52 } | |
| 53 | |
| 54 // Test 2 tests that rect calculation is linear in the number of layers. | |
| 55 | |
| 56 function setupFunction2(magnitude) | |
| 57 { | |
| 58 setupFunction(magnitude, 'child layer'); | |
| 59 } | |
| 60 | |
| 61 function touchHandler(event) | |
| 62 { | |
| 63 } | |
| 64 | |
| 65 function test(magnitude) | |
| 66 { | |
| 67 // Adding or removing a touch handler will force recomputation of the | |
| 68 // touch hit rects. Note layout also forces recomputation and is the more | |
| 69 // relevant scenario, but is too noisy to use for a perf test. | |
| 70 testNode.addEventListener('touchstart', touchHandler); | |
| 71 | |
| 72 // Note that if the times aren't coming out as expected, you should check he
re that the expected | |
| 73 // touch hit rects were generated by using window.internals.touchEventTarget
LayerRects(document). | |
| 74 // For example, run in content_shell with --expose-internals-for-testing. | |
| 75 testNode.removeEventListener('touchstart', touchHandler); | |
| 76 } | |
| 77 | |
| 78 Magnitude.description('Tests that compositor touch hit rect calculation is ' + | |
| 79 'linear in the number of rects and in the number of layers
.'); | |
| 80 | |
| 81 // Wait for first layout. | |
| 82 document.body.getBoundingClientRect(); | |
| 83 | |
| 84 function main() | |
| 85 { | |
| 86 // Verify that compositor touch hit testing is properly enabled. | |
| 87 if (!window.internals) { | |
| 88 log("WARNING - missing windows.internals, can't verify hit testing is en
abled."); | |
| 89 return; | |
| 90 } | |
| 91 var testNode = document.getElementById('test'); | |
| 92 r = testNode.getBoundingClientRect(); | |
| 93 | |
| 94 testNode.addEventListener('touchstart', touchHandler); | |
| 95 var rects = window.internals.touchEventTargetLayerRects(document); | |
| 96 if (!rects) { | |
| 97 log("FAIL - no hit test rects exist, is compositing enabled?"); | |
| 98 return; | |
| 99 } | |
| 100 if (!rects.length) { | |
| 101 log("FAIL - no hit test rects found, is ScrollingCoordinator::touchHitTest
ingEnabled false?"); | |
| 102 return; | |
| 103 } | |
| 104 testNode.removeEventListener('touchstart', touchHandler); | |
| 105 | |
| 106 | |
| 107 Magnitude.trim = 1; | |
| 108 Magnitude.tolerance = 0.80; | |
| 109 | |
| 110 Magnitude.initialExponent = 7; | |
| 111 Magnitude.numPoints = 5; | |
| 112 Magnitude.run(setupFunction1, test, Magnitude.LINEAR); | |
| 113 | |
| 114 Magnitude.initialExponent = 4; | |
| 115 Magnitude.numPoints = 5; | |
| 116 Magnitude.run(setupFunction2, test, Magnitude.LINEAR); | |
| 117 } | |
| 118 main(); | |
| 119 | |
| 120 </script> | |
| 121 </body> | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1149253002:
Remove LayoutTests/perf and associated references (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master