Cleaner locks.

skiko/src/jvmMain/kotlin/org/jetbrains/skiko/redrawer/MetalRedrawer.kt

@@ -60,6 +60,8 @@ internal class MetalRedrawer(
     private suspend fun draw() {
         withContext(Dispatchers.IO) {
             val handle = startRendering()
+            synchronized(disposeLock) {
+                if (!isDisposed)
                     if (layer.prepareDrawContext()) {
                         // 2,3 GHz 8-Core Intel Core i9
                         //
@@ -72,12 +74,9 @@ internal class MetalRedrawer(
                         //
                         // Executors.newSingleThreadExecutor().asCoroutineDispatcher(): 50 FPS, 150% CPU
                         // Dispatchers.IO: 50 FPS, 200% CPU
-                synchronized(disposeLock) {
-                    if (!isDisposed) {
                         layer.draw()
                     }
             }
-            }
             endRendering(handle)
         }
         // When window is not visible - it doesn't make sense to redraw fast to avoid battery drain.