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10c9aceadff4edd2d0b5304ceb1f5bb8d8d625f8
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25 Commits

Author SHA1 Message Date
Alyssa Rosenzweig
10c9aceadf agx: Plumb through nir_op_txf 
nir_op_txf maps to AGX's texture_load, which is encoded like
texture_sample. The one outstanding question with this commit is the
rules for the sample required ... in NIR and APIs (including Metal), txf
is samplerless, but the AGX instruction consumes a sampler. Hopefully
any sampler will do, though?

Passes dEQP-GLES3.functional.shaders.texture_functions.texelfetch.*

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18380>
 2022-09-04 18:05:31 +00:00
Alyssa Rosenzweig
17168162fb agx: Remove p_extract 
It's now unused. We didn't have coalescing for it anyway, splits are the
preferred alternative.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17198>
 2022-08-07 20:43:54 -04:00
Alyssa Rosenzweig
744b4a0f7f agx: Rename varying load instructions 
Unlike Mali (where I borrowed the old names from), these are not loads
in the memory sense. They are simply register loads and arithmetic.
Rename accordingly, using PowerVR names and public Apple names as a
guide.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17198>
 2022-08-07 20:43:53 -04:00
Alyssa Rosenzweig
14bf020d75 agx: Model perspective coefficient reg in the IR 
For perspective-correct interpolation, the W coefficient register is
needed. Instead of hardcoding this to cf0 and special casing, model this
in the IR and let the general handling kick in.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17198>
 2022-08-07 20:43:53 -04:00
Alyssa Rosenzweig
a2a947031a agx: Mark the logical ends of blocks 
We need to insert parallel copies at the logical end of blocks, before branches.
Add a pseudo instruction signaling that. Cribbed from ACO.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16268>
 2022-05-01 22:00:00 -04:00
Alyssa Rosenzweig
d285c63417 agx: Add phi pseudo instruction 
For SSA.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16268>
 2022-05-01 21:58:29 -04:00
Alyssa Rosenzweig
2a4a8a8902 agx: Add p_split pseudoinstruction 
Easier on RA for extracts.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16268>
 2022-05-01 21:58:29 -04:00
Alyssa Rosenzweig
7d38bcb7ee agx: Use pseudo ops for mov/not/and/xor/or 
Rather than using builder magic (implicitly lowered on emit), add actual pseudo
operations (explicitly lowered before encoding). In theory this is slower, I
doubt it matters. This makes the instruction aliases first-class for IR prining
and machine inspection, which will make optimization passes easier to write.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16268>
 2022-05-01 21:58:29 -04:00
Alyssa Rosenzweig
f0a973081f agx: Use correct types for some IR enums 
Otherwise there are implicit int->enum casts which prevent us from building as
C++ (with -fpermissive).

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16268>
 2022-05-01 21:58:29 -04:00
Alyssa Rosenzweig
f248f6623c agx: Add sample_mask instruction 
Sets the output sample mask to a given 8-bit immediate or 16-bit
register. Also used to implement discards, which is my ES2 interest.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14219>
 2022-01-16 18:23:28 +00:00
Alyssa Rosenzweig
3d3e4928b2 agx: Add ld_vary_flat opcode 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11718>
 2021-07-05 20:56:03 +00:00
Alyssa Rosenzweig
10b8563966 agx: Update ld_vary encoding mask 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11718>
 2021-07-05 20:56:03 +00:00
Alyssa Rosenzweig
99b67ab355 agx: Add perspective bit to ld_var 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11718>
 2021-07-05 20:56:03 +00:00
Alyssa Rosenzweig
307b8f1b2f agx: List sr enum in Python 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11199>
 2021-06-05 20:38:22 +00:00
Alyssa Rosenzweig
cc8fec8b74 agx: Generate enums from Python 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11199>
 2021-06-05 20:38:22 +00:00
Alyssa Rosenzweig
223476aff3 agx: Model get_sr 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11199>
 2021-06-05 20:38:22 +00:00
Alyssa Rosenzweig
4fb964ccb8 agx: Model jump instructions 
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
 2021-05-31 01:23:35 +05:30
Alyssa Rosenzweig
4eb8fbf780 agx: Model pop_exec 
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
 2021-05-31 01:23:35 +05:30
Alyssa Rosenzweig
a270665a9e agx: Model control flow instructions 
Thankfully the encoding is regular, if a bit complicated.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
 2021-05-31 01:23:35 +05:30
Alyssa Rosenzweig
8454d08aa3 agx: Add branch target to IR 
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
 2021-05-31 01:23:35 +05:30
Alyssa Rosenzweig
ad4dfb3321 agx: Add invert_cond (ccn) to IR 
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
 2021-05-31 01:23:35 +05:30
Alyssa Rosenzweig
21cf528e76 agx: Add nest field to IR 
Needed to model control flow instructions.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
 2021-05-31 01:23:35 +05:30
Alyssa Rosenzweig
1164c992cf agx: Add ld_tile opcode 
Variant of st_tile.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10720>
 2021-05-09 23:29:45 -04:00
Alyssa Rosenzweig
07fdc0015e agx: Rename blend -> st_tile 
For symmetry.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10720>
 2021-05-09 23:29:45 -04:00
Alyssa Rosenzweig
50b5c94885 agx: Add opcode descriptions as Python 
Pattern lifted from NIR.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10582>
 2021-05-02 17:41:09 -04:00