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asahi: Identify ZLS Control word from PowerVR

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We're into the cr.xml file now, which is the blob that gets passed
through the kernel.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18623>
This commit is contained in:
Alyssa Rosenzweig 2022-09-05 21:42:20 -04:00
parent b0f8639382
commit 1400733320
2 changed files with 28 additions and 16 deletions
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31
src/asahi/lib/cmdbuf.xml
View file

@ -736,6 +736,27 @@
<field name="Percent" start="5:16" size="16" type="uint"/>
</struct>
<enum name="ZLS Format">
<value name="32F" value="0"/>
<value name="16" value="2"/>
</enum>
<struct name="ZLS Control" size="8">
<field name="Unknown 0" start="0" size="1" type="bool"/>
<field name="Unknown 1" start="1" size="1" type="bool"/>
<field name="Unknown 2" start="2" size="1" type="bool"/>
<field name="Unknown 3" start="3" size="1" type="bool"/>
<field name="Unknown 4" start="4" size="1" type="bool"/>
<field name="Unknown 5" start="5" size="1" type="bool"/>
<field name="Unknown 6" start="6" size="1" type="bool"/>
<field name="Unknown 7" start="7" size="1" type="bool"/>
<field name="S Load Enable" start="14" size="1" type="bool"/>
<field name="Z Load Enable" start="15" size="1" type="bool"/>
<field name="S Store Enable" start="18" size="1" type="bool"/>
<field name="Z Store Enable" start="19" size="1" type="bool"/>
<field name="Z Format" start="25" size="2" type="ZLS Format"/>
</struct>
<struct name="IOGPU Internal Pipelines" size="272">
<field name="Clear pipeline bind" start="2:0" size="32" type="hex"/>
<field name="Clear pipeline unk" start="4:0" size="4" default="4" type="hex"/>
@ -745,15 +766,7 @@
<field name="Store pipeline" start="12:4" size="28" type="address" modifier="shr(4)"/>
<field name="Scissor array" start="14:0" size="64" type="address"/>
<field name="Depth bias array" start="16:0" size="64" type="address"/>
<!-- 0xc0154 with depth clear and z32f and s8
0x40154 with z32f and s8
0x44 with z32f
0x4000044 with z16?
-->
<field name="Depth flags" start="20:0" size="32" type="hex"/>
<field name="Depth compression" start="20:6" size="1" type="bool"/>
<field name="Depth reload" start="20:15" size="1" type="bool"/>
<field name="Depth format 16 unorm" start="20:26" size="1" type="bool"/>
<field name="ZLS control" start="20:0" size="32" type="ZLS Control"/>
<field name="Depth width" start="26:0" size="15" type="uint" default="1" modifier="minus(1)"/>
<field name="Depth height" start="26:15" size="15" type="uint" default="1" modifier="minus(1)"/>
<field name="Depth buffer (if clearing)" start="28:7" size="33" type="address" modifier="shr(7)"/>

13
src/gallium/drivers/asahi/magic.c
View file

@ -207,21 +207,20 @@ demo_cmdbuf(uint64_t *buf, size_t size,
if (util_format_has_depth(desc)) {
depth_buffer = agx_map_surface(zsbuf);
cfg.depth_reload = !should_clear_depth;
cfg.depth_flags |= 0x80000;
if (!should_clear_depth) cfg.depth_flags |= 0x8000;
cfg.zls_control.z_store_enable = true;
cfg.zls_control.z_load_enable = !should_clear_depth;
} else {
stencil_buffer = agx_map_surface(zsbuf);
cfg.depth_flags |= 0x40000;
if (!should_clear_stencil) cfg.depth_flags |= 0x4000;
cfg.zls_control.s_store_enable = true;
cfg.zls_control.s_load_enable = !should_clear_stencil;
}
if (agx_resource(zsbuf->texture)->separate_stencil) {
stencil_buffer = agx_map_surface_resource(zsbuf,
agx_resource(zsbuf->texture)->separate_stencil);
cfg.depth_flags |= 0x40000;
if (!should_clear_stencil) cfg.depth_flags |= 0x4000;
cfg.zls_control.s_store_enable = true;
cfg.zls_control.s_load_enable = !should_clear_stencil;
}
cfg.depth_buffer_if_clearing = depth_buffer;