[Mesa-dev] i965: Fast color clear for mipmapped and arrayed

Pohjolainen, Topi topi.pohjolainen at gmail.com
Thu Oct 13 07:16:55 UTC 2016


On Tue, Oct 11, 2016 at 10:26:32PM +0300, Topi Pohjolainen wrote:
> The entire series is mostly bookkeeping changes. It switches to track
> color and state per slice instead of per miptree (such as we already
> do for depth and hiz).
> 
> Patch 22 is still work in progress. We have all the details already
> in ISL and I would somehow like to utilize that instead. Current
> patch overallocates in some cases but should be safe though.
> 
> I will follow-up with some performance numbers.

On SKL i5k (lossless compression):

Manhattan 3.0    : 2.43196% +/- 0.650327%
Manhattan 3.0 off: 2.70886% +/- 0.0502046%


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