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nir: Add AMD rt intrinsics.

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12592>
This commit is contained in:
Bas Nieuwenhuizen 2021-03-31 02:53:33 +02:00 • committed by Marge Bot
parent 148ea4375c
commit 56b06c09b4
2 changed files with 11 additions and 0 deletions
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2
src/compiler/nir/nir_divergence_analysis.c
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@ -531,6 +531,8 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr)
case nir_intrinsic_load_packed_passthrough_primitive_amd:
case nir_intrinsic_load_initial_edgeflags_amd:
case nir_intrinsic_gds_atomic_add_amd:
case nir_intrinsic_load_rt_arg_scratch_offset_amd:
case nir_intrinsic_load_intersection_opaque_amd:
is_divergent = true;
break;

9
src/compiler/nir/nir_intrinsics.py
View file

@ -1227,6 +1227,15 @@ intrinsic("load_sbt_amd", dest_comp=4, bit_sizes=[32], indices=[BINDING],
# 6. inverse ray direction (componentwise 1.0/ray direction)
intrinsic("bvh64_intersect_ray_amd", [4, 2, 1, 3, 3, 3], 4, flags=[CAN_ELIMINATE, CAN_REORDER])
# Return of a callable in raytracing pipelines
intrinsic("rt_return_amd")
# offset into scratch for the input callable data in a raytracing pipeline.
system_value("rt_arg_scratch_offset_amd", 1)
# Whether to call the anyhit shader for an intersection in an intersection shader.
system_value("intersection_opaque_amd", 1, bit_sizes=[1])
# V3D-specific instrinc for tile buffer color reads.
#
# The hardware requires that we read the samples and components of a pixel