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asahi: Add XML used for visibility tests 

Aka occlusion queries. There is an annoying limitation in the hardware
(reflected in Metal) that only a single buffer may be bound per render
pass, with the per-draw settings merely specifying an offset.

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 14:58:44 -04:00
parent 46a7c10349
commit d8541d52d2
1 changed files with 10 additions and 0 deletions
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10
src/asahi/lib/cmdbuf.xml
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@ -41,6 +41,12 @@
<value name="Decr Wrap" value="7"/>
</enum>
<enum name="Visibility Mode">
<value name="None" value="0"/>
<value name="Counting" value="2"/>
<value name="Boolean" value="3"/>
</enum>
<enum name="Polygon Mode">
<value name="Fill" value="0"/>
<value name="Line" value="1"/>
@ -305,12 +311,14 @@
<struct name="Rasterizer" size="28">
<field name="Tag" size="32" start="0:0" type="hex" default="0x10000b5"/>
<field name="Unk 1" size="1" start="1:9" type="hex" default="0x1"/>
<field name="Visibility mode" size="2" start="1:14" type="Visibility Mode"/>
<field name="Scissor enable" size="1" start="1:16" type="bool"/>
<field name="Unk ZS" size="1" start="1:18" type="hex" default="0x1"/>
<field name="Unk 2" size="2" start="1:19" type="hex" default="0x0"/>
<field name="Unk fill lines" size="1" start="1:26" type="hex" default="0x0"/> <!-- set when drawing LINES -->
<field name="Front" size="64" start="2:0" type="Rasterizer face"/>
<field name="Back" size="64" start="4:0" type="Rasterizer face"/>
<field name="Visibility buffer offset" size="18" start="6:14" type="uint"/>
</struct>
<struct name="Unknown face" size="4">
@ -518,6 +526,7 @@
<value name="Colour" value="0xE"/>
<value name="Depth" value="0x10"/>
<value name="Stencil" value="0x11"/>
<value name="Visibility" value="0x12"/>
</enum>
<struct name="IOGPU Header" size="640">
@ -611,6 +620,7 @@
<field name="Unk 3" start="6:0" size="32" type="hex" default="0xffffffff"/>
<field name="Unk 4" start="7:0" size="32" type="hex" default="0xffffffff"/>
<field name="Unk 5" start="8:0" size="32" type="hex" default="0xffffffff"/>
<field name="Visibility result buffer" start="10:0" size="64" type="address"/>
<field name="Depth clear pipeline bind" start="20:0" size="32" type="hex"/>
<field name="Depth clear pipeline unk" start="22:0" size="4" default="4" type="hex"/>
<field name="Depth clear pipeline" start="22:4" size="28" type="address" modifier="shr(4)"/>