[Mesa-dev] [PATCH 26/27] i965: Disable gather push constants for null constants

Pohjolainen, Topi topi.pohjolainen at intel.com
Thu May 7 07:48:51 PDT 2015

On Tue, Apr 28, 2015 at 11:08:23PM +0300, Abdiel Janulgue wrote:
> Programming null constants with gather constant tables seems to
> be unsupported and results in a GPU lockup even with the prescribed
> GPU workarounds in the bspec. Found out by trial and error that
> disabling HW gather constant when the constant state for a stage
> needs to be nullified is the only way to go around the issue.

Just a general question. We keep resource streamer itself always enabled
(except for blorp of course). Does it still do something meaningful without
gather constants or should we disable them both?

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