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freedreno/regs: document SS6_UBO state src

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Document this new a6xx_state_src value seen in A640/A650 tess traces.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5760>
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Jonathan Marek 2020-07-01 22:32:06 -04:00 • committed by Marge Bot
parent 0a7b1f9167
commit 6d8e2cec81
1 changed files with 8 additions and 0 deletions
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src/freedreno/registers/adreno_pm4.xml
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@ -610,6 +610,14 @@ opcode: CP_LOAD_STATE4 (30) (4 dwords)
<value name="SS6_DIRECT" value="0"/>
<value name="SS6_BINDLESS" value="1"/> <!-- TODO does this exist on a4xx/a5xx? -->
<value name="SS6_INDIRECT" value="2"/>
<doc>
SS6_UBO used by the a6xx vulkan blob with tesselation constants
in this case, EXT_SRC_ADDR is (ubo_id shl 16 | offset)
to load constants from a UBO loaded with DST_OFF = 14 and offset 0,
EXT_SRC_ADDR = 0xe0000
(offset is a guess, should be in bytes given that maxUniformBufferRange=64k)
</doc>
<value name="SS6_UBO" value="3"/>
</enum>
<reg32 offset="0" name="0">
<bitfield name="DST_OFF" low="0" high="13" type="uint"/>