Re: [Mesa-dev] [PATCH 9/9] i915: Gut all remaining bits of hardware fog

2011-04-19 Thread Eric Anholt
On Fri, 15 Apr 2011 23:10:52 -0700, Ian Romanick i...@freedesktop.org wrote: From: Ian Romanick ian.d.roman...@intel.com None of this ever gets used. Fog is always calculated by a fragment program. Even though the fixed-function fog unit is never used, state updates are still sent to the

[Mesa-dev] [PATCH 9/9] i915: Gut all remaining bits of hardware fog

2011-04-16 Thread Ian Romanick
From: Ian Romanick ian.d.roman...@intel.com None of this ever gets used. Fog is always calculated by a fragment program. Even though the fixed-function fog unit is never used, state updates are still sent to the hardware. Removing those spurious state updates can't hurt performance. ---