[Mesa-dev] [PATCH] i965: Actually enable SIMD16 dispatch on Ivybridge.

[Eric Anholt]

On Sat,  7 Jan 2012 22:24:42 -0800, Kenneth Graunke <kenneth at whitecape.org> wrote:
> Commit acf82657f4d607e4477f03752613d42f239e4bd3 supposedly enabled
> SIMD16 dispatch, but neglected to set the "16 Pixel Dispatch Enable"
> bit, so nothing actually got enabled.
> 
> Furthermore, it neglected to set up the Dispatch GRF Start Register for
> kernel 2, which is the SIMD16 program.
> 
> Increases performance in Nexuiz by ~15% (n=3).
> 
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>

Reviewed-by: Eric Anholt <eric at anholt.net>
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