nine: use threaded context
this enables stuff like draw merging and buffer invalidations, yielding some small performance improvements in some cases where previously csmt was cpu bound
depends on !11853 (merged) to not explode in 32bit processes
this enables stuff like draw merging and buffer invalidations, yielding some small performance improvements in some cases where previously csmt was cpu bound
depends on !11853 (merged) to not explode in 32bit processes