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freedreno/a6xx: Document border color/swizzle interaction

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Make it clear that the swap happens before border color replacment but
the swizzle happens after.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17177>
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Connor Abbott 2022-06-17 00:55:53 +02:00 • committed by Marge Bot
parent 9af897b9ed
commit 2a928ae325
1 changed files with 5 additions and 0 deletions
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src/freedreno/registers/adreno/a6xx.xml
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@ -3853,6 +3853,11 @@ to upconvert to 32b float internally?
<bitfield name="CHROMA_MIDPOINT_Y" pos="18" type="boolean"/>
<bitfield name="SAMPLES" low="20" high="21" type="a3xx_msaa_samples"/>
<bitfield name="FMT" low="22" high="29" type="a6xx_format"/>
<!--
Why is the swap needed in addition to SWIZ_*? The swap
is performed before border color replacement, while the
swizzle is applied after after it.
-->
<bitfield name="SWAP" low="30" high="31" type="a3xx_color_swap"/>
</reg32>
<reg32 offset="1" name="1">