From 40b94673f9e3755954a68bb951bf6389ec33b174 Mon Sep 17 00:00:00 2001
From: jonahwilliams <jonahwilliams@google.com>
Date: Fri, 19 May 2023 08:55:38 -0700
Subject: [PATCH] [Impeller] remove final cmd buffer waitUntilScheduled on
 physical iOS

---
 impeller/renderer/backend/metal/surface_mtl.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/impeller/renderer/backend/metal/surface_mtl.mm b/impeller/renderer/backend/metal/surface_mtl.mm
index 55e88039f1c51..9b06878b76f78 100644
--- a/impeller/renderer/backend/metal/surface_mtl.mm
+++ b/impeller/renderer/backend/metal/surface_mtl.mm
@@ -179,6 +179,7 @@
     }
   }
 
+#if ((FML_OS_MACOSX && !FML_OS_IOS) || FML_OS_IOS_SIMULATOR)
   // If a transaction is present, `presentDrawable` will present too early. And
   // so we wait on an empty command buffer to get scheduled instead, which
   // forces us to also wait for all of the previous command buffers in the queue
@@ -187,6 +188,8 @@
       ContextMTL::Cast(context.get())->CreateMTLCommandBuffer();
   [command_buffer commit];
   [command_buffer waitUntilScheduled];
+#endif  // ((FML_OS_MACOSX && !FML_OS_IOS) || FML_OS_IOS_SIMULATOR)
+
   [drawable_ present];
 
   return true;