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mesa/src/panfrost/compiler
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Benjamin Lee 448b5e0225 panvk: implement multiview support 
In Valhall multiview, position/varying shaders are invoked once per
draw. Each invocation write separate outputs for all views. Fragment
processing is handled by the existing multilayer support. Note that
because the hardware only supports up to 8 views, we don't have to care
about the case where there are too many layers to fit in one tiler when
multiview is enabled.

Signed-off-by: Benjamin Lee <benjamin.lee@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31704>
2024-12-09 20:31:49 +00:00
..
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/va: Define the TEX_GRADIENT instruction 2024-10-23 11:02:38 +00:00
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 nir: treat per-view outputs as arrayed IO 2024-12-09 20:31:49 +00:00
bi_lower_swizzle.c
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
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
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 panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
bi_quirks.h
bi_ra.c panfrost: Reformat using the new style 2023-05-29 21:06:12 +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 panvk: implement multiview support 2024-12-09 20:31:49 +00:00
bifrost_compile.h gallium: replace PIPE_SHADER_CAP_INDIRECT_INPUT/OUTPUT_ADDR with NIR options 2024-12-03 12:57:36 +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
bifrost_nir_algebraic.py nir: make fclamp_pos_mali and fsat_signed_mali opcodes generic 2024-10-03 09:02:07 +00:00
bir.c pan/va: Define the TEX_GRADIENT instruction 2024-10-23 11:02:38 +00:00
cmdline.c
compiler.h pan/va: Lower nir_texop_txd to TEX_GRADIENT with derivs followed by TEX_SINGLE 2024-11-05 11:20:21 +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 panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +00:00
meson.build panfrost: split pseudo instructions from Bifrost and Valhall 2024-08-20 12:18:19 +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)