crocus: add threaded context support
This is pretty much an iris ripoff.
crocus didn't emit surfaces until later so didn't suffer from some of the problems iris did.
no piglit regressions, not sure that's a good enough test.
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This is pretty much an iris ripoff.
crocus didn't emit surfaces until later so didn't suffer from some of the problems iris did.
no piglit regressions, not sure that's a good enough test.