cocoa-cb: use libmpv's advanced rendering control and timing

this adds support for GPU rendered screenshots, DR (theoretically) and
possible other advanced functions in the future that need to be executed
from the rendering thread.
additionally frames that would be off screen or not be displayed when on
screen are being dropped now.

1 files changed, 6 insertions, 0 deletions

diff --git a/video/out/cocoa-cb/window.swift b/video/out/cocoa-cb/window.swift
index 34a73f88d1..d11706f38b 100644
--- a/video/out/cocoa-cb/window.swift
+++ b/video/out/cocoa-cb/window.swift
@@ -613,6 +613,12 @@ class Window: NSWindow, NSWindowDelegate {
         cocoaCB.updateCusorVisibility()
     }
 
+    func windowDidChangeOcclusionState(_ notification: Notification) {
+        if occlusionState.contains(.visible) {
+            cocoaCB.layer.update(force: true)
+        }
+    }
+
     func windowWillMove(_ notification: Notification) {
         isMoving = true
     }