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i965/gen4: Subtract 1 from buffer sizes
authorJason Ekstrand <jason.ekstrand@intel.com>
Sat, 11 Jun 2016 04:11:02 +0000 (21:11 -0700)
committerJason Ekstrand <jason.ekstrand@intel.com>
Wed, 22 Jun 2016 19:26:43 +0000 (12:26 -0700)
commit2a1cc94d27c80929d91e38b4843333a5408d563e
tree79c98db584871b2a698f4df75b8f402317e54abftree
parente8580b8f981a48dd481c62292c7d618a4860dfadcommit | diff
i965/gen4: Subtract 1 from buffer sizes

The PRM states that the values put in Width, Height, and Depth should be
various bits from the value size - 1.  We seem to have done this wrong
more-or-less from the start.

Reviewed-by: Chad Versace <chad.versace@intel.com>
Cc: "11.1 11.2 12.0" <mesa-stable@lists.freedesktop.org>
src/mesa/drivers/dri/i965/brw_wm_surface_state.c diff | blob | history