i965: Add a comment about null renderbuffer surfaces and why they exist.
authorEric Anholt <eric@anholt.net>
Wed, 21 May 2014 21:09:25 +0000 (14:09 -0700)
committerKenneth Graunke <kenneth@whitecape.org>
Wed, 2 Jul 2014 19:45:59 +0000 (12:45 -0700)
commite874274d0847733b2ae6c2efb911145d2da6e6b6
tree8dd3557b8e729a82db4773c6200b9513b0b8c287
parent489ec685542590c7412db81623952c1aa75d946f
i965: Add a comment about null renderbuffer surfaces and why they exist.

I noticed this when trying to find comments about pull constant buffers.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
src/mesa/drivers/dri/i965/gen8_surface_state.c