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amd: add nir_intrinsic_xfb_counter_sub_amd and fix overflowed streamout offsets

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Fixes: 5ec79f9899 - ac/nir/ngg: nogs support streamout

Reviewed-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21584>
This commit is contained in:
Marek Olšák
2023-02-27 23:07:02 -05:00
committed by Marge Bot
parent 08649e3673
commit f7076d129d
5 changed files with 50 additions and 4 deletions
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1
src/compiler/nir/nir_divergence_analysis.c
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@@ -672,6 +672,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr)
case nir_intrinsic_load_topology_id_intel:
case nir_intrinsic_load_scratch_base_ptr:
case nir_intrinsic_ordered_xfb_counter_add_amd:
case nir_intrinsic_xfb_counter_sub_amd:
case nir_intrinsic_load_stack:
case nir_intrinsic_load_ray_launch_id:
case nir_intrinsic_load_ray_instance_custom_index:

7
src/compiler/nir/nir_intrinsics.py
View File

@@ -1529,10 +1529,15 @@ intrinsic("load_streamout_buffer_amd", dest_comp=4, indices=[BASE], bit_sizes=[3
# An ID for each workgroup ordered by primitve sequence
system_value("ordered_id_amd", 1)
# Add to global streamout buffer counter in specified order
# Add src1 to global streamout buffer offsets in the specified order
# src[] = { ordered_id, counter }
# WRITE_MASK = mask for counter channel to update
intrinsic("ordered_xfb_counter_add_amd", dest_comp=0, src_comp=[1, 0], indices=[WRITE_MASK], bit_sizes=[32])
# Subtract from global streamout buffer offsets. Used to fix up the offsets
# when we overflow streamout buffers.
# src[] = { offsets }
# WRITE_MASK = mask of offsets to subtract
intrinsic("xfb_counter_sub_amd", src_comp=[0], indices=[WRITE_MASK], bit_sizes=[32])
# Provoking vertex index in a primitive
system_value("provoking_vtx_in_prim_amd", 1)