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agx: add a comment about an unknown bit

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30633>
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Alyssa Rosenzweig 2024-08-07 13:10:42 -04:00
parent 8b29f0a762
commit e3e82f7a6c
1 changed files with 4 additions and 0 deletions
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4
src/asahi/compiler/agx_pack.c
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@ -961,6 +961,10 @@ agx_pack_instr(struct util_dynarray *emission, struct util_dynarray *fixups,
unsigned R = offset.value;
bool unk1 = true;
/* This bit has weird behaviour with the interaction of the texture state
* index and the tilebuffer offset. Probably best not to use it for now.
*/
unsigned unk3 = 1;
uint32_t word0 = agx_opcodes_info[I->op].encoding.exact |