diff --git a/video/out/cocoa-cb/video_layer.swift b/video/out/cocoa-cb/video_layer.swift
index c5604b88f7..8cdb692ae5 100644
--- a/video/out/cocoa-cb/video_layer.swift
+++ b/video/out/cocoa-cb/video_layer.swift
@@ -30,11 +30,10 @@ class VideoLayer: CAOpenGLLayer {
     var hasVideo: Bool = false
     var neededFlips: Int = 0
     var cglContext: CGLContextObj? = nil
+    var surfaceSize: NSSize?
 
     enum Draw: Int { case normal = 1, atomic, atomicEnd }
     var draw: Draw = .normal
-    let drawLock = NSLock()
-    var surfaceSize: NSSize?
 
     var canDrawOffScreen: Bool = false
     var lastThread: Thread? = nil
@@ -49,10 +48,7 @@ class VideoLayer: CAOpenGLLayer {
 
     var inLiveResize: Bool = false {
         didSet {
-            if inLiveResize == false {
-                isAsynchronous = false
-                neededFlips += 1
-            } else {
+            if inLiveResize {
                 isAsynchronous = true
             }
         }
@@ -86,6 +82,9 @@ class VideoLayer: CAOpenGLLayer {
                           pixelFormat pf: CGLPixelFormatObj,
                           forLayerTime t: CFTimeInterval,
                           displayTime ts: UnsafePointer<CVTimeStamp>?) -> Bool {
+        if inLiveResize == false {
+            isAsynchronous = false
+        }
         return mpv != nil && cocoaCB.backendState == .init
     }
 
@@ -100,13 +99,7 @@ class VideoLayer: CAOpenGLLayer {
     }
 
     func draw(_ ctx: CGLContextObj) {
-        drawLock.lock()
-        updateSurfaceSize()
-
-        let aspectRatioDiff = fabs( (surfaceSize!.width/surfaceSize!.height) -
-                                    (bounds.size.width/bounds.size.height) )
-
-        if aspectRatioDiff <= 0.005 && draw.rawValue >= Draw.atomic.rawValue {
+        if draw.rawValue >= Draw.atomic.rawValue {
              if draw == .atomic {
                 draw = .atomicEnd
              } else {
@@ -114,9 +107,9 @@ class VideoLayer: CAOpenGLLayer {
              }
         }
 
+        updateSurfaceSize()
         mpv.drawRender(surfaceSize!)
         CGLFlushDrawable(ctx)
-        drawLock.unlock()
 
         if needsICCUpdate {
             needsICCUpdate = false
@@ -148,7 +141,7 @@ class VideoLayer: CAOpenGLLayer {
             NSEnableScreenUpdates()
             draw = .normal
         }
-     }
+    }
 
     override func copyCGLPixelFormat(forDisplayMask mask: UInt32) -> CGLPixelFormatObj {
         let glVersions: [CGLOpenGLProfile] = [
diff --git a/video/out/cocoa-cb/window.swift b/video/out/cocoa-cb/window.swift
index b0877d6622..74b9dcd5f5 100644
--- a/video/out/cocoa-cb/window.swift
+++ b/video/out/cocoa-cb/window.swift
@@ -246,20 +246,18 @@ class Window: NSWindow, NSWindowDelegate {
     }
 
     func window(_ window: NSWindow, startCustomAnimationToEnterFullScreenWithDuration duration: TimeInterval) {
-        let cRect = contentRect(forFrameRect: frame)
-        var intermediateFrame = aspectFit(rect: cRect, in: targetScreen!.frame)
-        intermediateFrame = frameRect(forContentRect: intermediateFrame)
+        cocoaCB.view.layerContentsPlacement = .scaleProportionallyToFit
         hideTitleBar()
-
         NSAnimationContext.runAnimationGroup({ (context) -> Void in
             context.duration = getFsAnimationDuration(duration - 0.05)
-            window.animator().setFrame(intermediateFrame, display: true)
+            window.animator().setFrame(targetScreen!.frame, display: true)
         }, completionHandler: { })
     }
 
     func window(_ window: NSWindow, startCustomAnimationToExitFullScreenWithDuration duration: TimeInterval) {
         let newFrame = calculateWindowPosition(for: targetScreen!, withoutBounds: targetScreen == screen)
         let intermediateFrame = aspectFit(rect: newFrame, in: screen!.frame)
+        cocoaCB.view.layerContentsPlacement = .scaleProportionallyToFill
         hideTitleBar()
         setFrame(intermediateFrame, display: true)
 
@@ -281,6 +279,7 @@ class Window: NSWindow, NSWindowDelegate {
         isInFullscreen = false
         cocoaCB.flagEvents(VO_EVENT_FULLSCREEN_STATE)
         endAnimation(calculateWindowPosition(for: targetScreen!, withoutBounds: targetScreen == screen))
+        cocoaCB.view.layerContentsPlacement = .scaleProportionallyToFit
     }
 
     func windowDidFailToEnterFullScreen(_ window: NSWindow) {
@@ -293,6 +292,7 @@ class Window: NSWindow, NSWindowDelegate {
         let newFrame = targetScreen!.frame
         setFrame(newFrame, display: true)
         endAnimation()
+        cocoaCB.view.layerContentsPlacement = .scaleProportionallyToFit
     }
 
     func endAnimation(_ newFrame: NSRect = NSZeroRect) {
@@ -304,6 +304,7 @@ class Window: NSWindow, NSWindowDelegate {
         }
 
         isAnimating = false
+        cocoaCB.layer.neededFlips += 1
         cocoaCB.isShuttingDown = false
     }
 
@@ -385,21 +386,7 @@ class Window: NSWindow, NSWindowDelegate {
     override func setFrame(_ frameRect: NSRect, display flag: Bool) {
         let newFrame = !isAnimating && isInFullscreen ? targetScreen!.frame :
                                                         frameRect
-        let aspectRatioDiff = fabs( (newFrame.width/newFrame.height) -
-                                    (frame.width/frame.height) )
-
-        let isNotUserLiveResize = isAnimating || !(!isAnimating && inLiveResize)
-        if aspectRatioDiff > 0.005 && isNotUserLiveResize {
-            cocoaCB.layer.drawLock.lock()
-            cocoaCB.layer.atomicDrawingStart()
-        }
-
         super.setFrame(newFrame, display: flag)
-        cocoaCB.layer.neededFlips += 1
-
-        if aspectRatioDiff > 0.005 && isNotUserLiveResize {
-            cocoaCB.layer.drawLock.unlock()
-        }
 
         if keepAspect {
             contentAspectRatio = unfsContentFrame!.size
diff --git a/video/out/cocoa_cb_common.swift b/video/out/cocoa_cb_common.swift
index 426181d13e..c3366ad2f7 100644
--- a/video/out/cocoa_cb_common.swift
+++ b/video/out/cocoa_cb_common.swift
@@ -57,6 +57,7 @@ class CocoaCB: NSObject {
         layer = VideoLayer(cocoaCB: self)
         view.layer = layer
         view.wantsLayer = true
+        view.layerContentsPlacement = .scaleProportionallyToFit
     }
 
     func setMpvHandle(_ ctx: OpaquePointer) {
@@ -133,6 +134,7 @@ class CocoaCB: NSObject {
             if !window.isVisible {
                 window.makeKeyAndOrderFront(nil)
             }
+            layer.atomicDrawingStart()
             window.updateSize(wr.size)
         }
     }