Set framebufferOnly = false (#733)

skiko/src/awtMain/objectiveC/macos/MetalRedrawer.mm

@@ -102,6 +102,7 @@ JNIEXPORT jlong JNICALL Java_org_jetbrains_skiko_redrawer_MetalRedrawer_createMe
         CGFloat transparent[] = { 0.0f, 0.0f, 0.0f, 0.0f };
         device.layer.backgroundColor = CGColorCreate(CGColorSpaceCreateDeviceRGB(), transparent);
         device.layer.opaque = NO;
+        device.layer.framebufferOnly = NO;
 
         if (transparency)
         {

skiko/src/macosMain/kotlin/org/jetbrains/skiko/redrawer/MetalRedrawer.macos.kt

@@ -167,6 +167,7 @@ internal class MetalLayer : CAMetalLayer {
             this.backgroundColor =
                 CGColorCreate(CGColorSpaceCreateDeviceRGB(), it.addressOf(0))
         }
+        this.framebufferOnly = false
         skiaLayer.nsView.layer = this
         skiaLayer.nsView.wantsLayer = true
         this.contentsGravity = kCAGravityTopLeft;