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Use a shared CADisplayLink whenever possible

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This commit is contained in:
Ali
2022-12-26 21:04:22 +04:00
parent 654f61a06b
commit b80eace071
11 changed files with 181 additions and 262 deletions
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67
submodules/Display/Source/CAAnimationUtils.swift
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@@ -34,55 +34,6 @@ private let completionKey = "CAAnimationUtils_completion"
public let kCAMediaTimingFunctionSpring = "CAAnimationUtilsSpringCurve"
public let kCAMediaTimingFunctionCustomSpringPrefix = "CAAnimationUtilsSpringCustomCurve"
private final class FrameRangeContext {
private var animationCount: Int = 0
private var displayLink: CADisplayLink?
init() {
}
func add() {
self.animationCount += 1
self.update()
}
func remove() {
self.animationCount -= 1
if self.animationCount < 0 {
self.animationCount = 0
assertionFailure()
}
self.update()
}
@objc func displayEvent() {
}
private func update() {
if self.animationCount != 0 {
if self.displayLink == nil {
let displayLink = CADisplayLink(target: self, selector: #selector(self.displayEvent))
if #available(iOS 15.0, *) {
let maxFps = Float(UIScreen.main.maximumFramesPerSecond)
if maxFps > 61.0 {
displayLink.preferredFrameRateRange = CAFrameRateRange(minimum: 60.0, maximum: maxFps, preferred: maxFps)
}
}
self.displayLink = displayLink
displayLink.add(to: .main, forMode: .common)
displayLink.isPaused = false
}
} else if let displayLink = self.displayLink {
self.displayLink = nil
displayLink.invalidate()
}
}
}
private let frameRangeContext = FrameRangeContext()
public extension CAAnimation {
var completion: ((Bool) -> Void)? {
get {
@@ -103,18 +54,16 @@ public extension CAAnimation {
private func adjustFrameRate(animation: CAAnimation) {
if #available(iOS 15.0, *) {
if let animation = animation as? CABasicAnimation {
if animation.keyPath == "opacity" {
return
}
}
let maxFps = Float(UIScreen.main.maximumFramesPerSecond)
if maxFps > 61.0 {
#if DEBUG
//let _ = frameRangeContext.add()
#endif
animation.preferredFrameRateRange = CAFrameRateRange(minimum: 30.0, maximum: maxFps, preferred: maxFps)
var preferredFps: Float = maxFps
if let animation = animation as? CABasicAnimation {
if animation.keyPath == "opacity" {
preferredFps = 60.0
return
}
}
animation.preferredFrameRateRange = CAFrameRateRange(minimum: 30.0, maximum: preferredFps, preferred: maxFps)
}
}
}