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pan/genxml: The BLEND array must be 64B aligned

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I'm not sure if this is the best way to enforce this as it's really a
restriction on the blend array pointer.  Individual blend descriptors
only have to be 16B-aligned.  But this seems to work and doesn't affect
the array stride, which is still 16B.

Also, I couldn't actually find the restriction in the v10 docs but it's
there on v11 and this is enough of a pain to debug that we're probably
better off playing it safe.

Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39274>
This commit is contained in:
Faith Ekstrand 2026-01-08 11:08:56 -05:00 • committed by Marge Bot
parent 9cab0c4bf0
commit 4a2d3b9a81
3 changed files with 3 additions and 3 deletions
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2
src/panfrost/genxml/v10.xml
View file

@ -1030,7 +1030,7 @@
<field name="Fixed-Function" size="64" start="0:0" type="Blend Fixed-Function"/>
</struct>
<struct name="Blend" size="4" align="16">
<struct name="Blend" size="4" align="64">
<field name="Load Destination" size="1" start="0:0" type="bool" default="false"/>
<field name="Alpha To One" size="1" start="0:8" type="bool"/>
<field name="Enable" size="1" start="0:9" type="bool" default="true"/>

2
src/panfrost/genxml/v12.xml
View file

@ -1265,7 +1265,7 @@
<field name="Fixed-Function" size="64" start="0:0" type="Blend Fixed-Function"/>
</struct>
<struct name="Blend" size="4" align="16">
<struct name="Blend" size="4" align="64">
<field name="Load Destination" size="1" start="0:0" type="bool" default="false"/>
<field name="Alpha To One" size="1" start="0:8" type="bool"/>
<field name="Enable" size="1" start="0:9" type="bool" default="true"/>

2
src/panfrost/genxml/v13.xml
View file

@ -1574,7 +1574,7 @@
<field name="Fixed-Function" size="64" start="0:0" type="Blend Fixed-Function"/>
</struct>
<struct name="Blend" size="4" align="16">
<struct name="Blend" size="4" align="64">
<field name="Load Destination" size="1" start="0:0" type="bool" default="false"/>
<field name="Alpha To One" size="1" start="0:8" type="bool"/>
<field name="Enable" size="1" start="0:9" type="bool" default="true"/>