1 files changed, 13 insertions, 2 deletions
diff --git a/gpu/command_buffer/common/constants.h b/gpu/command_buffer/common/constants.h
index ca1d5a8..3b06cad 100644
--- a/gpu/command_buffer/common/constants.h
+++ b/gpu/command_buffer/common/constants.h
@@ -26,12 +26,23 @@ namespace error {
     // This is not an error. It is returned by WaitLatch when it is blocked.
     // When blocked, the context will not reschedule itself until another
     // context executes a SetLatch command.
-    kWaiting
+    kWaiting,
+
+    // This is not an error either. It just hints the scheduler that it can exit
+    // its loop, update state, and schedule other command buffers.
+    kYield
   };
 
   // Return true if the given error code is an actual error.
   inline bool IsError(Error error) {
-    return (error != kNoError && error != kWaiting);
+    switch (error) {
+      case kNoError:
+      case kWaiting:
+      case kYield:
+        return false;
+      default:
+        return true;
+    }
   }
 }