[Mesa-dev] [PATCH 4/4] i965/fs: Disable unlit_centroid_workaround on Haswell.

Kenneth Graunke kenneth at whitecape.org
Mon Jun 30 00:31:51 PDT 2014


On Sunday, June 29, 2014 11:18:17 PM Matt Turner wrote:
> Although the HSW PRM shows it, the BSpec lists this workaround as being
> for Ivybridge only.
> 
> total instructions in shared programs: 1994951 -> 1993675 (-0.06%)
> instructions in affected programs:     27325 -> 26049 (-4.67%)
> ---
>  src/mesa/drivers/dri/i965/brw_device_info.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Were you able to observe something breaking on Ivybridge with the workaround 
dropped (proving that we can observe that the workaround is necessary)?
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