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turnip: document GRAS_LRZ_CNTL's UNK5 bitfield 

It is used by the blob to enable depth bounds test for LRZ.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8615>
This commit is contained in:
Samuel Iglesias Gonsálvez 2021-01-20 14:46:00 +00:00
parent 54cf12774a
commit 2161aebf8d
1 changed files with 2 additions and 1 deletions
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3
src/freedreno/registers/adreno/a6xx.xml
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@ -1698,7 +1698,8 @@ to upconvert to 32b float internally?
<bitfield name="FC_ENABLE" pos="3" type="boolean"/>
<!-- set when depth-test + depth-write enabled -->
<bitfield name="Z_TEST_ENABLE" pos="4" type="boolean"/>
<bitfield name="UNK5" low="5" high="9"/>
<bitfield name="Z_BOUNDS_ENABLE" pos="5" type="boolean"/>
<bitfield name="UNK6" low="6" high="9"/>
</reg32>
<reg32 offset="0x8101" name="GRAS_UNKNOWN_8101" low="0" high="2"/>
<reg32 offset="0x8102" name="GRAS_2D_BLIT_INFO">