[Spice-devel] About the QXL update_area processing

[lin gu]

Hi,guys!
I thought that when the QXL update_area,it will send a
RED_WORKER_MESSAGE_UPDATE
 use Red_dispather,then the Red_worker will handler the message.
but I can't find any code to create the the
message--"RED_WORKER_MESSAGE_UPDATE".
so I want to know if the QXL send the RED_WORKER_MESSAGE_UPDATE message?
or it's only a definition that dosenot use in spice?
Thanks!
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