[Nouveau] [Bug 89679] [NV50] Portal/Half-Life 2 will not start (native Steam)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89679

--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Nick Tenney from comment #3)
> Created attachment 114677 [details]
> Git bisection of Mesa
> 
> Third time's a charm! Finally got a successful bisection of the Portal issue.

That seems very surprising. Does reverting it on top of master fix the issue?
If not, your bisect is off.

The commit does 2 things -- it increases the query alloc space to 256 and it
enables PIPE_CAP_QUERY_PIPELINE_STATISTICS (and the relevant support in the
query logic). I have a hard time believing that steam would use
ARB_pipeline_query_statistics, but... who knows.

Can you disable PIPE_CAP_QUERY_PIPELINE_STATISTICS but leave
NV50_QUERY_ALLOC_SPACE at 256 and see if it still breaks?

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