Yes, that's definetely wrong with the newer query types.
And I agree that for most query types, the situation of nothing being drawned
inside the query is too rare to be of concern.
Though I wonder if we should do better in a follow on patch for time queries --
which applications might emit
From: Roland Scheidegger srol...@vmware.com
The result isn't always 0 in this case (depends on query type),
so instead of special casing this just use the ordinary path (should result
in correct values thanks to initialization in query_begin/end), just
skipping the fence wait.
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