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asahi: Add a depth bias structure 

This is simple and corresponds directly to the Metal inputs. However,
the alignment is a bit tricky, so let's add formal XML for it.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16512>
This commit is contained in:
Alyssa Rosenzweig 2022-04-02 21:09:27 -04:00
parent cb760a00c2
commit 666f307d41
1 changed files with 7 additions and 0 deletions
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7
src/asahi/lib/cmdbuf.xml
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@ -293,6 +293,13 @@
<field name="Max Z" size="32" start="3:0" type="float"/>
</struct>
<!-- Note: this structure is not padded. It really is 12 bytes -->
<struct name="Depth bias" size="12">
<field name="Depth bias" size="32" start="0:0" type="float"/>
<field name="Slope scale" size="32" start="1:0" type="float"/>
<field name="Clamp" size="32" start="2:0" type="float"/>
</struct>
<struct name="Rasterizer face" size="8">
<field name="Stencil reference" size="8" start="0:0" type="hex"/>
<!-- line width is 4:4 fixed point with off-by-one applied -->