| graouts@webkit.org | 080fdf1 | 2022-05-19 13:08:33 +0000 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <body> |
| 3 | <script src="../resources/testharness.js"></script> |
| 4 | <script src="../resources/testharnessreport.js"></script> |
| 5 | <style> |
| 6 | |
| 7 | div { |
| 8 | position: absolute; |
| 9 | left: 0; |
| 10 | top: 0; |
| 11 | width: 100px; |
| 12 | height: 100px; |
| 13 | background-color: black; |
| 14 | } |
| 15 | |
| 16 | </style> |
| 17 | <script> |
| 18 | |
| 19 | const createDiv = test => { |
| 20 | const div = document.createElement("div"); |
| 21 | test.add_cleanup(() => div.remove()); |
| 22 | return document.body.appendChild(div); |
| 23 | } |
| 24 | |
| 25 | const animationReadyToAnimateAccelerated = async animation => { |
| 26 | await animation.ready; |
| 27 | await new Promise(requestAnimationFrame); |
| 28 | await new Promise(requestAnimationFrame); |
| 29 | await new Promise(requestAnimationFrame); |
| 30 | } |
| 31 | |
| 32 | const duration = 1000 * 1000; // 1000s. |
| 33 | |
| 34 | promise_test(async test => { |
| 35 | const target = createDiv(test); |
| 36 | |
| 37 | // Set offset on the underlying style. |
| 38 | target.style.offset = "path('M10,10 H10')"; |
| 39 | |
| 40 | // Add a transform animation that could be accelerated by itself. |
| 41 | const animation = target.animate( |
| 42 | { transform: "translateX(100px)" }, |
| 43 | { duration } |
| 44 | ); |
| 45 | await animationReadyToAnimateAccelerated(animation); |
| 46 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 0); |
| 47 | }, "Setting 'offset' on the underlying style prevents a 'transform' animation from being accelerated."); |
| 48 | |
| 49 | promise_test(async test => { |
| 50 | const target = createDiv(test); |
| 51 | |
| 52 | // Add a transform animation that can be accelerated by itself. |
| 53 | const animation = target.animate( |
| 54 | { transform: "translateX(100px)" }, |
| 55 | { duration } |
| 56 | ); |
| 57 | await animationReadyToAnimateAccelerated(animation); |
| 58 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 1); |
| 59 | |
| 60 | // Set offset on the underlying style. |
| 61 | target.style.offset = "path('M10,10 H10')"; |
| 62 | await animationReadyToAnimateAccelerated(animation); |
| 63 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 0); |
| 64 | |
| 65 | // Remove offset on the underlying style. |
| 66 | target.style.removeProperty("offset"); |
| 67 | await animationReadyToAnimateAccelerated(animation); |
| 68 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 1); |
| 69 | }, "Toggling 'offset' dynamically on the underlying style toggles the ability for a 'transform' animation to be accelerated."); |
| 70 | |
| 71 | promise_test(async test => { |
| 72 | const target = createDiv(test); |
| 73 | |
| 74 | const animation = target.animate( |
| 75 | { transform: "translateX(100px)", cssOffset: ["path('M10,10 H10')", "path('M10,10 H20')"] }, |
| 76 | { duration } |
| 77 | ); |
| 78 | await animationReadyToAnimateAccelerated(animation); |
| 79 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 0); |
| 80 | }, "Animating both 'offset' and 'transform' on the same animation prevents acceleration."); |
| 81 | |
| 82 | promise_test(async test => { |
| 83 | const target = createDiv(test); |
| 84 | const animations = []; |
| 85 | |
| 86 | // First add a transform animation that could be accelerated by itself. |
| 87 | animations.push(target.animate( |
| 88 | { transform: "translateX(100px)" }, |
| 89 | { duration } |
| 90 | )); |
| 91 | await Promise.all(animations.map(animation => animationReadyToAnimateAccelerated(animation))); |
| 92 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 1); |
| 93 | |
| 94 | // Then, add an offset animation that prevents the whole stack from being accelerated. |
| 95 | animations.push(target.animate( |
| 96 | { cssOffset: ["path('M10,10 H10')", "path('M10,10 H20')"] }, |
| 97 | { duration } |
| 98 | )); |
| 99 | await Promise.all(animations.map(animation => animationReadyToAnimateAccelerated(animation))); |
| 100 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 0); |
| 101 | |
| 102 | // Canceling the offset animation will no longer prevent the stack from being accelerated. |
| 103 | animations.at(-1).cancel(); |
| 104 | await Promise.all(animations.map(animation => animationReadyToAnimateAccelerated(animation))); |
| 105 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 1); |
| 106 | }, "Animating both 'offset' and 'transform' on different animations prevents acceleration."); |
| 107 | |
| 108 | promise_test(async test => { |
| 109 | const target = createDiv(test); |
| 110 | |
| 111 | const animation = target.animate( |
| 112 | { transform: "translateX(100px)" }, |
| 113 | { duration } |
| 114 | ); |
| 115 | await animationReadyToAnimateAccelerated(animation); |
| 116 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 1); |
| 117 | |
| 118 | animation.effect.setKeyframes( |
| 119 | { transform: "translateX(100px)", cssOffset: ["path('M10,10 H10')", "path('M10,10 H20')"] } |
| 120 | ); |
| 121 | await animationReadyToAnimateAccelerated(animation); |
| 122 | assert_equals(internals.acceleratedAnimationsForElement(target).length, 0); |
| 123 | }, "Setting keyframes on an animation to include 'offset' on top of 'transform' prevents acceleration."); |
| 124 | |
| 125 | </script> |
| 126 | </body> |
