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mesa/src/panfrost/compiler
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Mary Guillemard 41f982ddac pan/bi: Disallow FAU special page 3 and WARP_ID on message instructions 
This is a constraint that apply on Valhall and later, instructions
should not use FAU special page 3 or WARP_ID if running
on the message unit.

Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Fixes: fd1906afea ("pan/va: Add FAU validation")
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33843>
(cherry picked from commit ef0c7382c7)
2025-03-04 20:24:02 +01:00
..
bifrost panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
test bi: Rewrite dead code elimination 2024-08-20 10:03:30 +02:00
valhall pan/bi: Disallow FAU special page 3 and WARP_ID on message instructions 2025-03-04 20:24:02 +01:00
bi_builder.h.py panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
bi_helper_invocations.c panvk: Properly propagate helper invocations requirement 2024-08-21 18:47:02 +00:00
bi_layout.c
bi_liveness.c
bi_lower_divergent_indirects.c pan,nir: introduce load_attribute_pan 2024-12-18 08:33:16 +00:00
bi_lower_swizzle.c pan/bi: Fix invalid CLPER encoding 2025-02-05 16:08:34 +01:00
bi_opcodes.c.py panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
bi_opcodes.h.py panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
bi_opt_constant_fold.c panfrost: fix shift overflow in bi_fold_constant 2024-01-26 09:40:48 +00:00
bi_opt_copy_prop.c
bi_opt_cse.c bi: Alloc replacement array once in opt_cse 2024-05-24 11:16:31 +02:00
bi_opt_dce.c bi: Rewrite dead code elimination 2024-08-20 10:03:30 +02:00
bi_opt_dual_tex.c
bi_opt_mod_props.c panfrost: fix backward propagation of values in loops 2025-02-15 00:02:58 +01:00
bi_opt_push_ubo.c pan/bi: Lower ubo table in indices for Valhall 2024-03-11 09:23:56 +00:00
bi_packer.c.py panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
bi_pressure_schedule.c pan/bi: add a MEMORY_BARRIER pseudo-instruction 2025-01-22 21:49:52 +00:00
bi_print.c panfrost: Reformat using the new style 2023-05-29 21:06:12 +00:00
bi_print_common.c
bi_print_common.h
bi_printer.c.py pan/bi: fix a typo 2025-01-22 21:49:51 +00:00
bi_quirks.h
bi_ra.c pan/bi: bump iter_count to 2000 2025-01-22 23:19:18 +00:00
bi_test.h panfrost: Reformat using the new style 2023-05-29 21:06:12 +00:00
bi_validate.c
bifrost.h pan/bi: Expose the packed TextureOperationDescriptor in bifrost_texture_operation 2024-11-05 11:20:21 +00:00
bifrost_compile.c panfrost: fix condition in bi_nir_is_replicated 2025-02-28 22:17:35 +01:00
bifrost_compile.h nir: remove dead code due to IO being always lowered in st/mesa 2025-01-22 02:15:04 +00:00
bifrost_isa.py panfrost: Update bifrost_isa.py to handle some Valhall constructs 2024-08-20 12:18:19 +00:00
bifrost_nir.h pan/bi: Export bifrost_nir_lower_load_output 2023-03-23 23:53:46 +00:00
bifrost_nir_algebraic.py panfrost: fix large int32->float16 conversions 2025-02-28 22:17:35 +01:00
bir.c pan/va: Define the TEX_GRADIENT instruction 2024-10-23 11:02:38 +00:00
cmdline.c
compiler.h panfrost/va: add FLUSH instruction 2025-01-03 20:53:36 +00:00
gen_disasm.py bi: Move bi_disasm definitions to their own header 2024-06-17 07:31:50 +00:00
IR_pseudo.xml pan/bi: add a MEMORY_BARRIER pseudo-instruction 2025-01-22 21:49:52 +00:00
meson.build panfrost: Kill panfrost-job.h 2025-01-07 11:10:55 +00:00
nodearray.h
Notes.txt
README.md

README.md

Bifrost compiler

Register file

Defined partially in software, partially in hardware.

Blend shaders

R0 - R3: input (color #0) R4 - R7: input (color #1) R8 - R15: general purpose R48: return address

Fragment

Anything live during BLEND must respect blend shader registers.

R0 - R3: preloaded (message #0) R4 - R7: preloaded (message #1) R57 - R63: preloaded (various)

R0 - R15: general purpose (full threads) R48 - R63: general purpose (full threads)

R32 - R47: general purpose (half threads, or v6)