haikuwebkit/LayoutTests/webanimations/accelerated-web-animation-w...

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REGRESSION (r260360): animation-wide timing function does not apply to 2-keyframe transform Web Animation https://bugs.webkit.org/show_bug.cgi?id=225301 <rdar://problem/77452933> Reviewed by Dean Jackson. Source/WebCore: Core Animation has a limitation where an animation-wide cubic timing function with y values outside of the [0-1] range are not applied correctly since those values are clipped. This is not the case with similar timing functions applied to a keyframe interval. This is known issue covered by bug 215918. We worked around this limitation for CSS Transitions in bug 215826. Indeed, in this case we know that the animation has a single interval and no keyframe-specific timing function, so GraphicsLayerCA would check whether the Animation object originated from a CSS Transition and set the animation-wide timing function on the generated AnimationValue. With this patch we generalize this approach to any animation, no matter its origin, that has a single keyframe interval with no timing function or a timing function that has a linear effect. To do this, we first check in GraphicsLayerCA::addAnimation() whether we are dealing with an animation that has an animation-wide cubic timing function outside of the [0-1] range. If that is not the case, we return early and indicate that this animation cannot be run accelerated. If instead that is the case, we pass a new boolean flag down through the call stack to setupAnimation() and timingFunctionForAnimationValue() where we choose to use the animation-wide timing function on the first keyframe rather than the animation itself. Test: webanimations/accelerated-web-animation-with-single-interval-and-easing-y-axis-above-1.html animation/KeyframeEffect.cpp: (WebCore::KeyframeEffect::backingAnimationForCompositedRenderer const): * platform/graphics/ca/GraphicsLayerCA.cpp: (WebCore::timingFunctionIsCubicTimingFunctionWithYValueOutOfRange): (WebCore::keyframeValueListHasSingleIntervalWithLinearOrEquivalentTimingFunction): (WebCore::GraphicsLayerCA::addAnimation): (WebCore::GraphicsLayerCA::createAnimationFromKeyframes): (WebCore::GraphicsLayerCA::appendToUncommittedAnimations): (WebCore::GraphicsLayerCA::createTransformAnimationsFromKeyframes): (WebCore::GraphicsLayerCA::createFilterAnimationsFromKeyframes): (WebCore::GraphicsLayerCA::createBasicAnimation): (WebCore::GraphicsLayerCA::createKeyframeAnimation): (WebCore::GraphicsLayerCA::createSpringAnimation): (WebCore::GraphicsLayerCA::setupAnimation): (WebCore::GraphicsLayerCA::timingFunctionForAnimationValue): (WebCore::GraphicsLayerCA::setAnimationKeyframes): (WebCore::GraphicsLayerCA::setTransformAnimationKeyframes): (WebCore::GraphicsLayerCA::setFilterAnimationKeyframes): * platform/graphics/ca/GraphicsLayerCA.h: LayoutTests: Add a test that runs a JS-orignated animation with a single interval and an animation-wide cubic timing function with y values outside of the [0-1] range. * platform/win/TestExpectations: * webanimations/accelerated-web-animation-with-single-interval-and-easing-y-axis-above-1-expected.html: Added. * webanimations/accelerated-web-animation-with-single-interval-and-easing-y-axis-above-1.html: Added. Canonical link: https://commits.webkit.org/237296@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@276966 268f45cc-cd09-0410-ab3c-d52691b4dbfc 2021-05-04 17:14:42 +00:00			`<body style="background-color: green">`
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