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asahi: Identify IOGPU_MISC data structure 

This will be elaborated upon soon.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15482>
This commit is contained in:
Alyssa Rosenzweig 2022-02-21 13:09:36 -05:00 committed by Marge Bot
parent d5ee1eacf1
commit f5ae88d36f
3 changed files with 29 additions and 19 deletions
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22
src/asahi/lib/cmdbuf.xml
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@ -597,4 +597,26 @@
<field name="Z16 Unorm attachment" start="7:8" size="1" type="bool"/>
</struct>
<struct name="IOGPU Misc" size="256">
<field name="Stencil buffer" start="0:0" size="64" type="address"/>
<field name="Stencil acceleration buffer" start="2:0" size="64" type="address"/>
<!-- maybe only set when doing a depth clear? -->
<field name="Unk 8:0" start="8:0" size="32" default="0x1" type="hex"/>
<field name="Unk 16:0" start="16:0" size="32" default="0x1c" type="hex"/>
<field name="Encoder ID" start="18:0" size="32" type="hex"/>
<!-- top bit maybe only set with a depth clear? -->
<field name="Unk 21:0" start="21:0" size="64" default="0x1ffffffff" type="hex"/>
<field name="Unknown buffer" start="26:0" size="64" type="address"/>
<field name="Width" start="30:0" size="32" type="uint"/>
<field name="Height" start="31:0" size="32" type="uint"/>
<field name="Unk 32:0" start="32:0" size="32" default="1" type="uint"/>
<field name="Unk 33:0" start="33:0" size="32" default="8" type="uint"/>
<field name="Unk 34:0" start="34:0" size="32" default="8" type="uint"/>
<field name="Unk 49:0" start="49:0" size="32" default="8" type="uint"/>
<field name="Unk 50:0" start="50:0" size="32" default="32" type="uint"/>
<field name="Unk 51:0" start="51:0" size="32" default="32" type="uint"/>
<field name="Unk 52:0" start="52:0" size="32" default="1" type="uint"/>
<field name="Unk 56:0" start="56:0" size="32" default="1" type="uint"/>
</struct>
</agxml>

1
src/asahi/lib/decode.c
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@ -446,6 +446,7 @@ agxdecode_cmdstream(unsigned cmdbuf_handle, unsigned map_handle, bool verbose)
DUMP_CL(IOGPU_INTERNAL_PIPELINES, ((uint32_t *) cmdbuf->ptr.cpu) + 156, "Internal pipelines");
DUMP_CL(IOGPU_AUX_FRAMEBUFFER, ((uint32_t *) cmdbuf->ptr.cpu) + 220, "Aux Framebuffer");
DUMP_CL(IOGPU_CLEAR_Z_S, ((uint32_t *) cmdbuf->ptr.cpu) + 276, "Clear Z/S");
DUMP_CL(IOGPU_MISC, ((uint32_t *) cmdbuf->ptr.cpu) + 344, "Misc");
uint32_t *attachments = (uint32_t *) ((uint8_t *) cmdbuf->ptr.cpu + cmd.attachment_offset_1);
unsigned attachment_count = attachments[3];

25
src/gallium/drivers/asahi/magic.c
View File

@ -109,26 +109,13 @@ demo_cmdbuf(uint64_t *buf, size_t size,
map[300] = pipeline_null | 0x4;
map[305] = 0x12;
map[306] = pipeline_store | 0x4;
map[352] = 1;
map[360] = 0x1c;
map[362] = encoder_id;
map[365] = 0xffffffff;
map[366] = 1;
uint64_t unk6 = demo_unk6(pool);
map[370] = unk6 & 0xFFFFFFFF;
map[371] = unk6 >> 32;
map[374] = width;
map[375] = height;
map[376] = 1;
map[377] = 8;
map[378] = 8;
map[393] = 8;
map[394] = 32;
map[395] = 32;
map[396] = 1;
agx_pack(map + 344, IOGPU_MISC, cfg) {
cfg.encoder_id = encoder_id;
cfg.unknown_buffer = demo_unk6(pool);
cfg.width = width;
cfg.height = height;
}
unsigned offset_unk = (458 * 4);
unsigned offset_attachments = (470 * 4);