Marek Olšák <mar...@gmail.com> writes: > The next patch makes sure _NEW_BUFFER_OBJECT is not needlessly set > for this code.
This seems like a pretty dubious optimization -- on UMA systems you're increasing the memory bandwidth usage in the "&& data" case, and only trying to eliminate update_array_object_max_element, which also happens with _NEW_PROGRAM (I bet it's true every time that a _NEW_BUFFER_OBJECT was flagged, anyway). In short, for the Mesa core change, I'd like to see some actual performance justification on this one.
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