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flutter · Apr 26, 2023 · 1162035 · 1162035
1 parent 5ae0758
commit 1162035
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/impeller/renderer/backend/metal/surface_mtl.mm b/impeller/renderer/backend/metal/surface_mtl.mm
@@ -135,6 +135,10 @@
     return false;
   }
 
+  // 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
+  // to get scheduled.
   id<MTLCommandBuffer> command_buffer =
       ContextMTL::Cast(context.get())->CreateMTLCommandBuffer();
   [command_buffer commit];